Sailor · 2014–2025

Sam O'Byrne

ireland J/24 Cape 31 Handicap

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Events: 7
Win rate: 29%
Podium rate: 71%
Typically beats: 73%
Best class ranking: #75
Longest win streak: 5

Most successful partnership: Louis Mulloy
Best trio: Marcus Ryan & Louis Mulloy
Biggest lift: Louis Mulloy
Nemesis: Sandra Askew
Best day: 9 Jul 2025
Signature result: 1st of 20

Partnerships · 21 sailors

Most successful partnership: Louis Mulloy — 2 wins · 2 podiums in 3 events together

Louis Mulloy · Headcase · J/24 3events 2 wins together · 2 podiums · 3 events · 14 of 28 races won Beat 87% of the fleet together(+39 vs. without) · best 1st · Jun 2022 – Jul 2025
Marcus Ryan · Headcase · J/24 3events 2 wins together · 2 podiums · 3 events · 14 of 28 races won Beat 87% of the fleet together(+39 vs. without) · best 1st · Jun 2022 – Jul 2025
Cillian Dickson · Headcase · J/24 3events 2 wins together · 2 podiums · 3 events · 14 of 28 races won Beat 87% of the fleet together(+39 vs. without) · best 1st · Jun 2022 – Jul 2025
Ryan Glynn · Headcase · J/24 3events 2 wins together · 2 podiums · 3 events · 14 of 28 races won Beat 87% of the fleet together(+39 vs. without) · best 1st · Jun 2022 – Jul 2025
Max Albert · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023
Christopher Cilliers · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023
Jeremy Richmond · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023
Guy Williams · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023
Sarah Ragle · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023
Joie Paciulli · Cape 31 - Adrenaline · Cape 31, Handicap 2events 0 wins together · 1 podiums · 2 events · 0 of 9 races won Beat 25% of the fleet together · best 3rd · Mar 2023 – Mar 2023

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

Event history · 7

Date	Event	Boat	Class	Role	Finish
9 Jul 2025	European Championship J/24 2025	Headcase	J/24	Crew	1st / 20
27 Sep 2024	2024 Beecher’s Handmade Cheese J/24 World Championship	Headcase	J/24	Crew	22nd / 56
24 Mar 2023	2023 St. Thomas International Regatta	Cape 31 - Adrenaline	Cape 31	Other	4th / 4
23 Mar 2023	2023 St. Thomas Yacht Club - Round The Rocks Race	Cape 31 - Adrenaline	Handicap	Other	3rd / 5
16 Jan 2023	2023 Southernmost Regatta	Extreme 2	Cape 31	Bow	2nd / 5
23 Jun 2022	Kieler Woche 2022	Headcase	J/24	Crew	1st / 17
19 Jul 2014	2014 Atlantic City Race Week / Leukemia Cup Regatta	Velocidad	J/24	Headsail Trimmer	2nd / 4

Ratings

Class	Rating	Rank	Adj. ±
All classes Crew	416 provisional	#3262 band 1627–6091	—
J/24 Crew	392 provisional	#75 band 35–146	—

1 more class, not yet ranked

Cape 31 · Crew · 16 races, 2 events · rating -15

Rank among sailors with ten or more rated races over three or more events, all time. In brackets, the ranks this rating cannot be told apart from. Adj. ± is the adjusted plus-minus in points of fleet beaten.

Helm and crew

As helm	0 events	0 wins	beats —
As crew	7 events	2 wins	beats 65%

Positions: Bow (1) · Headsail Trimmer (1)

How they race

Closer	+6 pts	last race of an event vs. the rest
Comeback	−50 pts	the race after a bottom-half finish
Small fleets (<12)	48%	of the fleet beaten

Head to head

Helm	Races	W–L
Stefan Karsunke	21	15–6
Thomas Cramer	21	21–0
Jasper Van Vliet	19	16–3
Shane Hewlett	19	17–2
Tjark Behring	18	18–0
Sandra Askew	17	6–11
Stephan Mais	12	12–0
Hannes Heß	12	12–0
Till Pomarius	12	8–4
Dirk Olyslagers	12	11–1
Luca Macchiarini	12	12–0
Jörn Harms	12	12–0

Most-beaten opponent: Thomas Cramer (21–0).

Seasons

Year	Events	Wins	Beat
2025	1	1	100%
2024	1	0	62%
2023	3	0	42%
2022	1	1	100%
2014	1	0	67%

Boats

Headcase · J/24 · 3 events · 2022–2025
Cape 31 - Adrenaline · Cape 31, Handicap · 2 events · 2023
Extreme 2 · Cape 31 · 1 events · 2023
Velocidad · J/24 · 1 events · 2014

Where they race

Unknown · 2 events
St. Thomas, USVI, USA · 2 events
Corinthian Yacht Club of Seattle - Seattle, WA · 1 events
Atlantic City, NJ, USA · 1 events
Key West, FL, USA · 1 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Crew rating across all classes: 416 (±177), #3,262. Compiled from public results; not an official ranking.