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Sailor · 2011–2025

Andrew Grootendorst

st joseph river yacht club HandicapPHRF handicapMC Scow

Search sailors · About these ratings

Events
58

99 races · 27 race wins

Win rate
26%

26% win rate · 15 of 58

Podium rate
50%

29 top-three finishes

Typically beats
60%

of boats faced (range 57%–63%, 732 boats)

Longest win streak
5

race wins in a row

Nemesis
Gintaras Karaitis

11–30 head to head in 41 races

Rival
Patrick Nelson

19–22 in 41 races

Best day
7 Jun 2025

1-2-1 · Rhumbline Regatta Sat 07 June 2025

Signature result
1st of 15

2018 Chicago - Waukegan Race - CASRA · PHRF handicap · 16 Jun 2018

Partnerships · 2 sailors

  • Susan Hertog · Cynthia · PHRF handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 2 races won Beat 77% of the fleet together · best 18th · Jun 2022 – Jun 2024
  • Michael Kinney · Cynthia · Handicap 1events 0 wins together · 0 podiums · 1 events Beat 22% of the fleet together · best 8th · Aug 2025 – Aug 2025

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

Rating history

01342682012201420162018202020222024Helm rating, all classes

Event history · 58

DateEventBoatClassRoleFinish
31 Aug 2025Tri-State St. Joseph to Michigan City- 2025CynthiaPHRF handicapBoat Captain3rd / 3
29 Aug 20252025 Chicago to St. JoeCynthiaHandicapSkipper8th / 10
7 Jun 2025Rhumbline Regatta Sat 07 June 2025CynthiaHandicapSkipper1st / 6
1 Apr 2025Spring Series 2025 starts Wed 21 MayCynthiaHandicapSkipper4th / 4
1 Apr 2025Summer Series 2025 starts Wed 30 JulyCynthiaHandicapSkipper4th / 4
28 Jun 20242024 Queen's Cup RaceCynthiaPHRF handicapSkipper27th / 99
22 Jun 20242024 Chicago to Waukegan - CASRACynthiaPHRF handicapOther3rd / 11
25 Apr 2024Rhumbline Regatta Sat 08 June 2024CynthiaHandicapSkipper3rd / 6
25 Apr 2024SPINN 2 Spring Series 2024 Starts Wed 22 MayCynthiaHandicapSkipper2nd / 7
25 Apr 2024SPINN 2 Summer Series 2024 starts Wed 24 JulyCynthiaHandicapSkipper2nd / 6
25 Apr 2024Staggered Start Races 2024 (JaM + Spinn)CynthiaHandicapSkipper6th / 13
3 Sep 20232023 Tri-State: St. Joe - Michigan City - CASRACynthiaPHRF handicapOther6th / 7
1 Sep 20232023 Tri-State: Chicago to St. JoeCynthiaPHRF handicapOther2nd / 13
30 Jun 2023Queen's Cup RaceCynthiaPHRF handicapOther2nd / 12
24 Jun 20232023 Chicago to Waukegan - CASRACynthiaPHRF handicapOther2nd / 14
1 Jun 2023Rhumbline Regatta Sat 10 June 2023CynthiaHandicapSkipper3rd / 6
25 Apr 2023Chili Regatta (Spinn + JaM) Sat 16 Sept 2023CynthiaHandicapSkipper8th / 13
25 Apr 2023Practice ScoringCynthiaHandicapSkipper5th / 19
25 Apr 2023SPINN Spring Series 2023 Starts Wed 24 MayCynthiaHandicapSkipper8th / 12
25 Apr 2023SPINN Summer Series 2023 starts Wed 12 JulyCynthiaHandicapSkipper10th / 12
4 Sep 20222022 Tri-State: St. Joe - Michigan City - CASRACynthiaPHRF handicapOther1st / 7
2 Sep 20222022 Tri-State: Chicago to St. Joe - CASRACynthiaPHRF handicapOther1st / 11
24 Jun 20222022 Queen's Cup® RaceCynthiaPHRF handicapSkipper18th / 89
25 Apr 2022Bill Campbell Dual-Handed Race (Spinn + JaM) Sat Aug 20, 2022; 10 AM StartCynthiaHandicapSkipper6th / 15
25 Apr 2022Rhumbline Regatta Sat 11 June 2022CynthiaHandicapSkipper1st / 5

Helm rating across all classes: 268, #12,720. Compiled from public results; not an official ranking.