Sailor · 2011–2023

Seph Coster

eastport yacht club J/70 PHRF handicap IRC handicap

Search sailors · About these ratings

Events: 13
Win rate: 0%
Podium rate: 0%
Typically beats: 20%
Best class ranking: #3087

Biggest lift: Mark Singer
Longest-running crew: Gregg Zurmuhlen
Nemesis: Peter Firey
Signature result: 4th of 9

Partnerships · 23 sailors

Gregg Zurmuhlen · 4 Sail, 4 Sail - This Side Down, 4 Sport · J/70, PHRF handicap 11events 0 wins together · 0 podiums · 0% win rate · 0 of 41 races won Beat 22% of the fleet together · best 4th · Aug 2020 – May 2022
Daniel Coffman · 4 Sail - This Side Down, 4 Sport · J/70 4events 0 wins together · 0 podiums · 4 events · 0 of 11 races won Beat 19% of the fleet together(−7 vs. without) · best 4th · Oct 2020 – Apr 2022
Brendan Guthrie · 4 Sail - This Side Down, 4 Sport · J/70 4events 0 wins together · 0 podiums · 4 events · 0 of 14 races won Beat 19% of the fleet together(−7 vs. without) · best 5th · Oct 2020 – May 2021
Gregory Zurmuhlen · 4 Sport, WooHoo! · J/70 3events 0 wins together · 0 podiums · 3 events · 0 of 13 races won Beat 25% of the fleet together(+2 vs. without) · best 5th · Oct 2020 – May 2023
Mark Singer · 4 Sport, Kalevala II, WooHoo! · IRC handicap, J/70 3events 0 wins together · 0 podiums · 3 events · 1 of 16 races won Beat 30% of the fleet together(+8 vs. without) · best 5th · Jun 2011 – May 2023
Ben Ferraro · 4 Sail - This Side Down, 4 Sport · J/70 3events 0 wins together · 0 podiums · 3 events · 0 of 10 races won Beat 9% of the fleet together(−19 vs. without) · best 11th · Apr 2021 – May 2021
Logan Hearn · 4 Sail, 4 Sport · J/70 2events 0 wins together · 0 podiums · 2 events · 0 of 5 races won Beat 20% of the fleet together · best 4th · Jun 2021 – Apr 2022
Kyle Assad · Kalevala II · IRC handicap 1events 0 wins together · 0 podiums · 1 events · 1 of 6 races won Beat 56% of the fleet together · best 5th · Jun 2011 – Jun 2011
Sean Harr · 4 Sport · J/70 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 20% of the fleet together · best 9th · Aug 2020 – Aug 2020
Chad Gilpin · Kalevala II · IRC handicap 1events 0 wins together · 0 podiums · 1 events · 1 of 6 races won Beat 56% of the fleet together · best 5th · Jun 2011 – Jun 2011

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

Rating history

Event history · 13

Date	Event	Boat	Class	Role	Finish
5 May 2023	2023 Helly Hansen Sailing World Regatta Series - Annapolis	WooHoo!	J/70	In the way	22nd / 24
13 May 2022	2022 Helly Hansen Sailing World Regatta Series - Annapolis	4 Sport	J/70	In the way	22nd / 29
30 Apr 2022	2022 AYC Spring One Design Regatta	4 Sport	J/70	In the way	4th / 5
2 Oct 2021	2021 AYC Fall Series	4 Sport	J/70	In the way	9th / 11
5 Jun 2021	2021 One-Design Classic	4 Sail	J/70	In the way	7th / 8
13 May 2021	2021 J/70 North American Championship	4 Sport	J/70	In the way	45th / 59
1 May 2021	2021 Helly Hansen NOOD Regatta Annapolis	4 Sail - This Side Down	J/70	In the way	38th / 39
25 Apr 2021	2021 AYC Spring One Design Regatta	4 Sail - This Side Down	J/70	In the way	11th / 11
7 Mar 2021	2020/2021 AYC Frostbite Series 2	4 Sport	PHRF handicap	In the way	4th / 9
31 Oct 2020	2020 Fall Brawl	4 Sport	J/70	In the way	16th / 17
4 Oct 2020	2020 AYC Fall Series	4 Sport	J/70	In the way	5th / 8
28 Aug 2020	2020 Helly Hansen NOOD Regatta Annapolis	4 Sport	J/70	In the way	9th / 11
11 Jun 2011	157th NYYC Annual Regatta presented by Rolex	Kalevala II	IRC handicap	Other	5th / 10

Ratings

Class	Rating	Rank	Adj. ±
All classes Crew	-106 provisional	#56782 band 46623–62063	—
J/70 Crew	-203 provisional	#3087 band 2765–3211	−10.3

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	13 events	0 wins	beats 24%

Positions: In the way (12)

How they race

Closer	+9 pts	last race of an event vs. the rest
Comeback	−3 pts	the race after a bottom-half finish
Consistency	63%	100% = the same result every event
Big fleets (25+)	17%	of the fleet beaten
Small fleets (<12)	30%	of the fleet beaten

Head to head

Helm	Races	W–L
Peter Firey	44	6–38
Taz Coffey	38	12–25
David Schoene	37	8–29
James Gary	37	9–28
Brian Wood	33	7–25
Roger Link	30	2–28
Cate Muller-Terhune	29	2–27
James Golden	27	5–22
Henry Filter	27	2–25
John Heaton	26	0–26
Marty McKenna	23	9–14
Jenner Bowe	23	5–18

Most-beaten opponent: John White (8–5).

Seasons

Year	Events	Beat
2023	1	9%
2022	2	25%
2021	6	21%
2020	3	23%
2011	1	56%

Boats

4 Sport · J/70, PHRF handicap · 8 events · 2020–2022
4 Sail - This Side Down · J/70 · 2 events · 2021
WooHoo! · J/70 · 1 events · 2023
4 Sail · J/70 · 1 events · 2021
Kalevala II · IRC handicap · 1 events · 2011

Where they race

Annapolis, MD, USA · 12 events
Newport, RI, 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: -106 (±180), #56,782. Compiled from public results; not an official ranking.