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Saildex

Sailor · 2006–2025

Jonathan Singsen

new york yc wadawanuck yc PHRF handicapIC37ORC handicap

Search sailors · About these ratings

Events
21

108 races · 7 race wins

Win rate
5%

5% win rate · 1 of 21

Podium rate
29%

6 top-three finishes

Typically beats
38%

of boats faced (90%: 34%–43%, 287 boats)

Best class ranking
#291

Crew in IC37 · rating 45

Most successful partnership
Macrae Sykes

1 wins · 2 podiums in 3 events together

Biggest lift
Macrae Sykes

+37 points of fleet beaten when sailing together

Longest-running crew
Jens Mueffelmann

Jun 2019 – Jul 2021 · 5 events

Nemesis
John Brim

7–20 head to head in 27 races

Best day
19 Jul 2024

1-7-5-2 · 2024 NYYC Race Week at Newport Presented by Rolex · about 1 in 38 by chance

Signature result
2nd of 20

2018 J 109 North American Championship · J/109 · 11 Oct 2018

Partnerships · 60+ sailors

Most successful partnership: Macrae Sykes — 1 wins · 2 podiums in 3 events together
  • Jens Mueffelmann · Summer Grace · PHRF handicap 5events 0 wins together · 1 podiums · 0% win rate · 0 of 5 races won Beat 41% of the fleet together(−5 vs. without) · best 3rd · Jun 2019 – Jul 2021
  • Kevin Kelley · Summer Grace · PHRF handicap 5events 0 wins together · 1 podiums · 0% win rate · 0 of 5 races won Beat 41% of the fleet together(−5 vs. without) · best 3rd · Jun 2019 – Jul 2021
  • Spencer Carraher · Vigilant · IC37, Melges IC37 4events 0 wins together · 0 podiums · 4 events · 1 of 25 races won Beat 20% of the fleet together(−30 vs. without) · best 6th · Apr 2021 – Oct 2021
  • John Hele · Vigilant · IC37, Melges IC37 4events 0 wins together · 0 podiums · 4 events · 1 of 25 races won Beat 20% of the fleet together(−30 vs. without) · best 6th · Apr 2021 – Oct 2021
  • Lauren Koch · Vigilant · IC37, Melges IC37 4events 0 wins together · 0 podiums · 4 events · 1 of 25 races won Beat 20% of the fleet together(−30 vs. without) · best 6th · Apr 2021 – Oct 2021
  • Peter Cummiskey · Vigilant · IC37, Melges IC37 4events 0 wins together · 0 podiums · 4 events · 1 of 25 races won Beat 20% of the fleet together(−30 vs. without) · best 6th · Apr 2021 – Oct 2021
  • Macrae Sykes · Good News, Zuma · ORC handicap, PHRF handicap 3events 1 wins together · 2 podiums · 3 events · 1 of 10 races won Beat 76% of the fleet together(+37 vs. without) · best 1st · Jun 2013 – May 2025
  • David Jarvis · Vigilant · IC37 3events 0 wins together · 0 podiums · 3 events · 1 of 19 races won Beat 27% of the fleet together(−20 vs. without) · best 9th · Jun 2021 – Oct 2021
  • Hudson Kelley · Summer Grace · PHRF handicap 3events 0 wins together · 1 podiums · 3 events · 0 of 3 races won Beat 47% of the fleet together(+3 vs. without) · best 3rd · Jun 2019 – Jun 2020
  • Oakley Jones · Vigilant · IC37, Melges IC37 3events 0 wins together · 0 podiums · 3 events · 0 of 17 races won Beat 11% of the fleet together(−40 vs. without) · best 6th · Apr 2021 – Jul 2021

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

Rating history

-41832072007201020132016201920222025Helm rating, all classesCrew rating, all classes

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

Event history · 21

DateEventBoatClassRoleFinish
8 Aug 20252025 Marshall Sandpiper National ChampionshipCurlewMarshall SandpiperSkipper16th / 21
23 Jun 20252025 Storm Trysail Club Block Island Race Week2.0ORC handicapAutopilot9th / 13
23 May 20252025 Storm Trysail Club Block Island RaceGood NewsORC handicapOther3rd / 7
17 Jul 20242024 NYYC Race Week at Newport Presented by RolexQubitIC37Tactician2nd / 17
24 May 20242024 Storm Trysail Club Block Island RaceGood NewsPHRF handicapOther1st / 2
1 Oct 20212021 IC37 North American ChampionshipVigilantIC37Tactician9th / 17
16 Jul 2021Melges IC37 National ChampionshipVigilantIC37Tactician16th / 18
9 Jul 20212021 Captain Harbor Friday Night SeriesSummer GracePHRF handicapSwitch Flipper9th / 15
12 Jun 2021167th NYYC Annual RegattaVigilantIC37Tactician13th / 16
24 Apr 20212021 American Yacht Club Spring Regatta and Melges IC37 East Coast ChampionshipVigilantMelges IC37Pro Bowler6th / 6
10 Oct 202065th Annual Indian Harbor Stratford Shoal Race - the GearbusterSummer GracePHRF handicapSwitch Flipper9th / 11
20 Jun 20209th Annual Geartester Day RaceSummer GracePHRF handicapSwitch Flipper4th / 10
30 Aug 20192019 Vineyard RaceSummer GracePHRF handicapRush Chairman7th / 9
29 Jun 201988th Stratford Shoal RaceSummer GracePHRF handicapRush Chairman3rd / 5
24 Jun 20192019 Storm Trysail Club Block Island Race WeekFireballPHRF handicapMain Trimmer4th / 15
11 Oct 20182018 J 109 North American ChampionshipGrowth SpurtJ/109Tactician2nd / 20
13 Oct 20172017 J/70 North American Championship Presented by Domaine ChandonAltheaJ/70Grinder42nd / 53
24 Jun 20132013 Storm Trysail Club Block Island Race Week XXVZumaPHRF handicapMain Trimmer4th / 9
25 May 20122012 Storm Trysail Club Block Island RaceConvictionIRC handicapOther2nd / 4
8 Oct 2008Bermuda Gold Cup 2008No TeamMatch racingSkipper21st / 24
12 Oct 2006Bermuda Gold Cup 2006No TeamMatch racingSkipper16th / 16

Crew rating across all classes: 194 (±160), #15,585.Helm rating across all classes: -29 (±184), #57,318. Compiled from public results; not an official ranking.