Sailor · 2010–2026

Simon Karstoft

larchmont yc IRC handicap ORC handicap Viper 640

Search sailors · About these ratings

Events: 18
Win rate: 17%
Podium rate: 44%
Typically beats: 60%
Best class ranking: #42
Longest win streak: 2

Most successful partnership: Matthew Wittick
Best trio: Peter McWhinnie & Matthew Wittick
Biggest lift: Matthew Wittick
Longest-running crew: Peter McWhinnie
Nemesis: Cardwell Potts
Best day: 9 Jun 2018
Signature result: 1st of 8

Partnerships · 35 sailors

Most successful partnership: Matthew Wittick — 3 wins · 3 podiums in 4 events together

Peter McWhinnie · In Theory, IN THEORY · Handicap, IRC handicap, ORC handicap 9events 3 wins together · 4 podiums · 33% win rate · 3 of 9 races won Beat 79% of the fleet together(+22 vs. without) · best 1st · May 2019 – May 2026
Patrick Slattery · In Theory, IN THEORY · Handicap, IRC handicap, ORC handicap 5events 0 wins together · 1 podiums · 0% win rate · 0 of 5 races won Beat 71% of the fleet together(+4 vs. without) · best 2nd · Sep 2022 – May 2026
Peter Fackler · In Theory, IN THEORY · Handicap, IRC handicap, ORC handicap 5events 0 wins together · 1 podiums · 0% win rate · 0 of 5 races won Beat 70% of the fleet together(+2 vs. without) · best 2nd · Feb 2023 – May 2026
Doug Lynn · In Theory, IN THEORY · Handicap, IRC handicap, ORC handicap 4events 2 wins together · 2 podiums · 4 events · 2 of 4 races won Beat 75% of the fleet together(+9 vs. without) · best 1st · Sep 2020 – Feb 2024
Erin Mhley · IN THEORY · Handicap, IRC handicap 4events 0 wins together · 0 podiums · 4 events · 0 of 4 races won Beat 65% of the fleet together(−4 vs. without) · best 5th · Feb 2023 – Jul 2025
Matthew Wittick · In Theory · IRC handicap, ORC handicap 4events 3 wins together · 3 podiums · 4 events · 3 of 4 races won Beat 91% of the fleet together(+29 vs. without) · best 1st · May 2019 – Sep 2022
Com Crocker · IN THEORY · Handicap, IRC handicap 4events 0 wins together · 0 podiums · 4 events · 0 of 4 races won Beat 65% of the fleet together(−4 vs. without) · best 5th · Feb 2023 – Jul 2025
Collamore Crocker · In Theory · ORC handicap 3events 1 wins together · 2 podiums · 3 events · 1 of 3 races won Beat 84% of the fleet together(+19 vs. without) · best 1st · Sep 2021 – May 2026
Owen Zimmerman · In Theory · IRC handicap, ORC handicap 2events 1 wins together · 1 podiums · 2 events · 1 of 2 races won Beat 81% of the fleet together · best 1st · Sep 2020 – Sep 2022
Trevor Parekh · 49er · 49er 1events 0 wins together · 0 podiums · 1 events · 0 of 11 races won Beat 29% of the fleet together · best 6th · Sep 2018 – Sep 2018

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

Rating history

— Helm rating, all classes · - - Crew rating, all classes

Event history · 18

Date	Event	Boat	Class	Role	Finish
22 May 2026	2026 Storm Trysail Club Block Island Race	In Theory	ORC handicap	Switch Flipper	2nd / 10
26 Jul 2025	Rolex Fastnet Race	IN THEORY	IRC handicap	Crew	91st / 379
19 Feb 2024	RORC Caribbean 600 Race	IN THEORY	Handicap	Crew	12th / 26
21 Jul 2023	Rolex Fastnet Race	IN THEORY	IRC handicap	Crew	201st / 351
20 Feb 2023	RORC Caribbean 600 Race	IN THEORY	Handicap	Crew	5th / 25
2 Sep 2022	2022 Vineyard Race	In Theory	ORC handicap	Autopilot	4th / 9
3 Sep 2021	2021 Vineyard Race	In Theory	ORC handicap	Staysail trimmer	1st / 5
12 Sep 2020	2020 65th Edlu Distance Race	In Theory	IRC handicap	Bow	1st / 5
4 Sep 2020	2020 Vineyard Race	Abilyn (mixed)	PHRF handicap	Co-Skipper	2nd / 4
24 May 2019	2019 Storm Trysail Club Block Island Race	In Theory	IRC handicap	Bow	1st / 8
14 Sep 2018	2018 Oakcliff Triple Crown Series - Stage 1	49er	49er	Skipper	6th / 8
9 Jun 2018	2018 Nyack Viper Open	Ghost Panda	Viper 640	Other	2nd / 7
25 May 2018	2018 Storm Trysail Club Block Island Race	Oakcliff Farr 40 Blue	IRC handicap	Bow	3rd / 8
17 Oct 2015	2015 Viper 640 North American Championship	175	Viper 640	Other	40th / 53
1 Aug 2014	2014 YRALIS PHRF and One-Design Championships	Ghost Panda	Viper 640	Tactician	2nd / 12
26 Oct 2013	2013 35th Annual Manhasset Bay Y.C. Fall Series	Lila	PHRF handicap	Other	9th / 10
15 Jan 2010	The 470 North American and The 49er North American Championship	DEN 023-1019	49ers	Skipper	5th / 19
2 Jan 2010	Seiko 49er World Championship Regatta	TORM	28	Skipper	27th / 62

Ratings

Class	Rating	Rank	Impact
All classes Crew	420 provisional	#3142 band 1261–6982	—
All classes Helm	279 provisional	#11486 band 5850–20676	—
Viper 640 Crew	294 provisional	#42 band 17–79	—

3 more classes, not yet ranked

49er · Helm · 11 races, 1 event · rating 53
28 · Helm · 8 races, 1 event · rating 15
49ers · Helm · 7 races, 1 event · rating 49

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	4 events	0 wins	beats 44%
As crew	14 events	3 wins	beats 75%

Positions: Bow (3) · Switch Flipper (1) · Autopilot (1) · Staysail trimmer (1) · Co-Skipper (1) · Tactician (1)

How they race

Closer	−1 pts	last race of an event vs. the rest
Comeback	−6 pts	the race after a bottom-half finish
Consistency	48%	100% = the same result every event
Big fleets	57%	of the fleet beaten
Small fleets	71%	of the fleet beaten

Head to head

Helm	Races	W–L
Cardwell Potts	17	4–13
Robert Matthews	16	16–0
Jesse Kirkland	15	15–0
Peter Krüger Andersen	15	5–10
Peter Burling	15	3–11
Pavle Kostov	15	11–4
Erik Storck	15	6–9
Francisco Piccini	14	14–0
Peter Broszkowski	14	13–1
Yukio Makino	14	9–4
Bill Gooderham	12	6–5
Bill Phillips	12	6–6

Most-beaten opponent: Robert Matthews (16–0).

Seasons

Year	Events	Wins	Beat
2026	1	0	89%
2025	1	0	76%
2024	1	0	56%
2023	2	0	63%
2022	1	0	63%
2021	1	1	100%
2020	2	1	83%
2019	1	1	100%
2018	3	0	61%
2015	1	0	25%
2014	1	0	91%
2013	1	0	11%
2010	2	0	68%

Boats

In Theory · ORC handicap, IRC handicap, Handicap · 9 events · 2019–2026
Ghost Panda · Viper 640 · 2 events · 2014–2018
Abilyn (mixed) · PHRF handicap · 1 events · 2020
49er · 49er · 1 events · 2018
Oakcliff Farr 40 Blue · IRC handicap · 1 events · 2018
175 · Viper 640 · 1 events · 2015
Lila · PHRF handicap · 1 events · 2013
DEN 023-1019 · 49ers · 1 events · 2010
TORM · 28 · 1 events · 2010

Where they race

Stamford, CT, USA · 6 events
Unknown · 4 events
Larchmont, NY, USA · 2 events
Oyster Bay, NY, USA · 1 events
Riverside, CT, USA · 1 events
Hosted by Grand Bahama Sailing Club and the 49er Int. Class Association along with the Bahamas Sailing Association · 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: 420, #3,142.Helm rating across all classes: 279, #11,486. Compiled from public results; not an official ranking.