MUSTO ISORA has one race scheduled for this week :
| Race Number | Descriptioniption | |
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Race 11 OIW (Musto Offshore Race) Start Saturday Morning 31st July |
ISORA MUSTO Offshore Race - Dun Laoghaire to Pwllheli 75 miles + Weighting 1.20.9, VHF 17, Cat 3 +LifeRaft |
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| Follow this link for the SSIs | ||
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
MUSTO ISORA has two races scheduled for this week :
| Race Number | Link to SSIs | Description |
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Race 06 OI (offshore Ireland) D2D Start Wednesday 9th June |
SSIs here | Offshore Race - Dun Laoghaire to Dingle 270 miles + Weighting 1.2, VHF multiple, Cat 3 +Liferaft |
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Race 07 OW (Offshore Wales Start on Saturday 12th June |
SSIs here | Offshore Race - Pwllheli to Liverpool Bay 110 miles + Weighting 1.2, VHF 17, Cat 3 +Liferaft |
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing by Wednesday 26th May
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
MUSTO ISORA has two races scheduled for this week :
| Race Number | Link to SSIs | Description |
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Race 08 OI (offshore Ireland) Start Saturday Morning 3rd July |
SSIs here | Offshore Race - Dun Laoghaire to Dun Laoghaire 70 miles + Weighting 1.2, VHF multiple, Cat 3 +Liferaft |
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Race 09 OW (Offshore Wales Start on Friday Evening 2nd July |
SSIs here | Offshore Race - Lyver Trophy Race Liverpool to Pwllheli 110 miles + Weighting 1.3, VHF 17, Cat 3 +Liferaft |
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing by Wednesday 30th June
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
MUSTO ISORA has one race scheduled for this week :
| Race Number | Descriptioniption | |
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Race 10 OC (Viking Marine Coastal Ireland) Start Saturday Morning 10th July |
Viking Marine Coastal Race - Dun Laoghaire to Dun Laoghaire 35 miles + Weighting 0.9, VHF 17, Cat 4 |
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| Follow this link for the SSIs | ||
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing by Wednesday 30th June
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
MUSTO ISORA has three races scheduled for this week (one coastal in Ireland and two back to back coastals in Wales) as follows:
| Race Number | Descriptioniption | ||
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Race 12 CI (Viking Marine Coastal Ireland) Start Saturday Morning 28th August at 10.00hrs |
Viking Marine Coastal Race - Dun Laoghaire to Dun Laoghaire |
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Race 13 CW Saturday Morning 28th August at TBC |
Coastal Race - Pwllheli to Pwllheli |
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| Race 14 CW
Sunday Morning 29th August at TBC |
Coastal Race - Pwllheli to Pwllheli |
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| Follow this link for all SSIs | |||
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing by Wednesday 30th June
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
MUSTO ISORA has two races scheduled for Saturday 29th May 2021:
| Race Number | Link to SSIs | Description |
| Race 04 OI (offshore Ireland) | SSIs here | Offshore Race - Dun Laoghaire to Dun Laoghaire 50 miles + Weighting 1.1, VHF 17, Cat 3 +Liferaft |
| Race 05 OW (Offshore Wales | SSIs here | Offshore Race - Pwllheli to Holyhead 50 miles + Weighting 1.1, VHF 17, Cat 3 +Liferaft |
Please read the SSIs, Notice of Race and General Sailing Instructions and the Back to Boating Protocol
Complete the on line entry form, ISORA Crew Manager App and text to confirm that you are racing by Wednesday 26th May
The responsibility for a boat’s decision to participate in a race or to continue racing is hers alone. (RRS Fundamental Rule 3)
Race 2CI - 15th May 2021
This race is Race No. 2 in the Musto ISORA 2021 series and the 1st race of the ISORA “Viking Marine Coastal Series” So many races within the same race!
The Course is now published as follows:
STARTING LINE at Dun Laoghaire Outfall Buoy.
East Kish (P)
Bennet (P)
ISORA Dublin Virtual Mark (S) N53 17.110 W6 00.100 FINISH LINE at Dun Laoghaire Pier Heads.
14th May 2021 at 12.20hrs
The Supplemental Instructions will be published here:
download a printable copy here
We recommend that anyone interested in this race should subscribe to the ISORA e-newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Race 4 OI - 29th May 2021
This race is Race No. 4 in the Musto ISORA 2021 series a
The Supplemental Instructions is published here and below
We recommend that anyone interested in this race should subscribe to the ISORA e-newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Race 8 OI - 2nd July 2021
This race is Race No. 8 in the Musto ISORA 2021 series
The course will be published here shortly:
The Supplemental Instructions is published below:
We recommend that anyone interested in this race should subscribe to the ISORA e-newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 29th May 2021 -
This race is the first Ofshore race in the MUSTO UK ISORA 2021 Offshore Series.
Amendment to SSIs for Race No. 5 Offshore Wales (OW)
1. Notifications on Trackers in SSIs 13.3 and 13.6 should now be by the WhatsApp Group messaging (WhatsApp - ISORA -UK Series)
2. Retirements - in addition to texting the race officer, please type in the boat name and "retired" on the WhatsApp - Skippers ISORA -UK Series which will be monitored by ISORA race management.
The Race Supplemental Sailing Instructions (SSIs) will be published here
The course will be announced on Thursday before the race.
START (As Defined in SSIs)
FINISH LINE at Holyhead (As Defined in SSIs)
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 212th June 2021 -
This race is also the second Offshore race in the MUSTO UK ISORA 2021 Offshore Series.
The Race Supplemental Sailing Instructions (SSIs) is published below
Amendment to SSIs for Race No. 7 Offshore Wales (OW)
1. PSC1 substituted for PSC2
2. In the event of the course being shortened - pass Archdeacon as per mark of the course - the finish line is an undefined length north of the Buoy, not 0.3m as previously published.
3. Course shortening will be announced. by the lead boat on CH17, and subject to phone signal posted on the ISORA UK 2021 WhatsApp group
The course is published as follows:
START (As Defined in SSIs)
PSC2 (P) PSC1 (P)(amendment No. 1)
The Skerries (S)
Ethel Rock Cardinal (S)
Archdeacon Cardinal (S)
Finish: Line running 0.3nm south of Q1.
Shortening in the event of a slow race to allow boats to get to the Sunday lunchtime lock in Liverpool.
If the first boat doesn’t cross a line running north from Ethel Rock Cardinal by 00:00 Sunday then the finish will be moved to a line running 0.3nm North of Archdeacon Cardinal.
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Wednesday 9th June 2021 -
This also the second race in the Irish MUSTO ISORA 2021 Offshore Series.
The Race Supplemental Sailing Instructions (SSIs) is now published below:
See the competitor list and results here
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Friday 2nd July 2021 -
This race is the 9th race in the MUSTO ISORA 2021 Series.
The Race Sailing Instructions (SIs) is now published see below
The course will be announced on Thursday before the race.
START (As Defined in SSIs)
FINISH LINE at Dun Laoghaire (As Defined in SSIs)
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 31st July 2021 - First Cross Channel Race
This race is the 11th race in the MUSTO ISORA 2021 Offshore Series.
The Race Supplemental Sailing Instructions (SSIs) is now published here
The course has been announced.
START (As Defined in SSIs)
ISORA Dublin Bay Virtual Mark (port)
FINISH LINE at Pwllheli (As Defined in SSIs)
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 11th September 2021 - Weighted 1.2
This race is the last race in the MUSTO ISORA 2021 Offshore Series.
The Race Supplemental Sailing Instructions (SSIs) is published below
The course will be announced on Thursday before the race.
START (As Defined in SSIs)
PSC 1 (P)
ISORA VM (S) (As Defined in SSIs)
FINISH LINE at Dun Laoghaire (As Defined in SSIs)
We recommend that anyone interested in this race should subscribe to the ISORA (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please contact This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 28th August 2021
Pwllheli Coastal RaceRace
This race is Race No. 13 in the Musto ISORA 2021 series and the 3rd race in the ISORA “Plas Heli Coastal Series” . So many races within the same race!13 
AMENDMENT 1.
Start Time for Race 13 CW
The start on Saturday 28th August is 1000hrs
AMENDMENT 2.
The Course Saturday 28th August is as follows:
Start (PSC Bridge as defined in the SIs)
PSC 10 (S)
Tom Buoy (S)
Pwllheli Fairway (P)
PSC 3 (P)
Tom Buoy (P)
Finish (Plas Heli line as defined in the SIs)
AMENDMENT 3.
Shorten Course for Race 13 CW
At 1500hrs BST all yachts that have not finished must record their GPS position at that time and supply it to the Race Committee.
This will be used to calculate the distance made good along the rhumb-line. Should a yacht not be exactly on the rhumb-line at 1500, the rhumb-line distance will be established by taking a line from the yacht’s position to the rhumb-line and at right angles to the rhumb-line.
The yacht’s distance made good along the rhumb-line will be divided by the elapsed time of the race to give the Actual Average Speed.
For a yacht not finishing by 15000 hrs, the rhumb-line distance from the start to the finish will be divided by the yacht's elapsed time for the entire course to give the Actual Average Speed.
The Actual Average Speed, however derived, will be divided by the yacht’s IRC number to give the Corrected Average Speed.
The Supplemental Instructions is now published - see below:
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
to be confirmed
Finish (Plas Heli line as defined in the SIs)
The course will be announced on Thursday before the race.
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Sunday 29th August 2021
Pwllheli Coastal RaceRace
This race is Race No. 14 in the Musto ISORA 2021 series and the 4th and last race in the ISORA “Plas Heli Coastal Series” . So many races within the same race!
AMENDMENT 1.
Start Time for Race 14 CW
The start on Sunday 29th August is 1100hrs
AMENDMENT 2.
The Course Saturday 28th August is as follows:
Start (PSC Bridge as defined in the SIs)
PSC 1(P)
Tom Buoy (S)
PSC 3(S)
Pwllheli Fairway (S)
Tom Buoy (P)
PSC 10 (P)
Finish (Plas Heli line as defined in the SIs)
AMENDMENT 3.
Shorten Course for Race 13 CW
At 1600hrs BST all yachts that have not finished must record their GPS position at that time and supply it to the Race Committee.
This will be used to calculate the distance made good along the rhumb-line. Should a yacht not be exactly on the rhumb-line at 1600, the rhumb-line distance will be established by taking a line from the yacht’s position to the rhumb-line and at right angles to the rhumb-line.
The yacht’s distance made good along the rhumb-line will be divided by the elapsed time of the race to give the Actual Average Speed.
For a yacht not finishing by 1600 hrs, the rhumb-line distance from the start to the finish will be divided by the yacht's elapsed time for the entire course to give the Actual Average Speed.
The Actual Average Speed, however derived, will be divided by the yacht’s IRC number to give the Corrected Average Speed.
The Supplemental Instructions is now published - see below:
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
to be confirmed
Finish (Plas Heli line as defined in the SIs)
The course will be announced on Thursday before the race.
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 1st May 2021
Pwllheli Bay Race - 35m
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
PSC 1 (port)
St Tudwals (including carreg y trai) (port)
Causeway (port)
Finish (Plas Heli line as defined in the SIs)
Please note additional change's to SSI's as follows :
13.1 we will not be using YB trackers for this race.
15.7 please note finish time as per and supply this to Stephen Tudor if requested .
14.1 Course shortening - if the leading boat fails to pass St Tudwal's West lighthouse (bearing 090 degrees) by 11:35 BST then the course will be shortened to miss out Causeway and route direct to finish. This will be called on CH17 by the leading boat if applicable
Note:
1. The St Tudwals island Mark includes carreg y trai.
2. Plas Heli finish line is defined in 15.1 this is not the normal club finish line
Have a great race and listen on channel 17 for any course revisions
Warning signal 10:00 BST
The Race Supplemental Sailing Instructions (SSIs) is published below
This race is Race No. 1 in the ISORA 2021 series, the 1st race of the ISORA “Welsh Coastal Series” and is also a CHPSC Coastal Race”
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
Saturday 15th May 2021
Pwllheli Bay Race - 35m
Amendment to SSIs for Race No. 3 Coastal Wales (CW)
1. The warning Singnal is changed from 11.15hrs to 12.15hrs - this amends the Race 03 CW SSIs
2. Notifications on Trackers in SSIs 13.3 and 13.6 should now be by the WhatsApp Group messaging (WhatsApp - ISORA -UK Series)
The Course is now published as follows:
Start (PSC Bridge
PSC 2 (p)
Gwylan Islands (p)
Causeway (p)
Finish (Plas Heli line as defined in the SIs)
14th May 2021 at 09.00hrs
The Race Supplemental Sailing Instructions SSIs is published below:
Download a printable copy here
The course will be announced on before the race .
This race is Race No. 1 in the ISORA 2021 series, the 1st race of the ISORA “Welsh Coastal Series” and is also a CHPSC Coastal Race”
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to This email address is being protected from spambots. You need JavaScript enabled to view it.
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