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Sailor · 2013–2026

Tom Groskopf

pewaukee A ScowE ScowC Scow

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Events
48

398 races · 54 race wins

Win rate
10%

10% win rate · 5 of 48

Podium rate
23%

11 top-three finishes

Typically beats
52%

of boats faced (range 50%–54%, 1,184 boats)

Best class ranking
#26

Crew in A Scow · rating 241

Longest win streak
3

race wins in a row

Most successful partnership
Dan Groskopf

3 wins · 4 podiums in 15 events together · 20% win rate

Best trio
Nicholas Clemence & Zac Aasen

3 wins · 4 podiums in 13 events, all three aboard

Biggest lift
Katharine Madigan

+16 points of fleet beaten when sailing together

Longest-running crew
Noah Janssen

Apr 2016 – Aug 2026 · 8 events

Nemesis
Vincent Porter

8–72 head to head in 80 races

Rival
Charlie Allen

85–59 in 144 races

Best day
30 Sep 2017

3-3-1-1-4-3-1-3-1-3-1-2-3-2-1-3-2-1-4-5 · Pere Marquette

Signature result
3rd of 38

2022 ILYA E Scow Invitational · E Scow · 6 Jul 2022

Partnerships · 60+ sailors

Most successful partnership: Dan Groskopf — 3 wins · 4 podiums in 15 events together · 20% win rate
  • Zac Aasen · Aderyn, Dying A, Haulin' A, Haulin'A · A Scow, E Scow 23events 3 wins together · 4 podiums · 13% win rate · 24 of 161 races won Beat 56% of the fleet together(+1 vs. without) · best 1st · Jun 2022 – Aug 2026
  • David Byczek · Dying A, Haulin' A, Haulin'A, Haulin’ A · A Scow 19events 3 wins together · 4 podiums · 16% win rate · 21 of 119 races won Beat 52% of the fleet together(−6 vs. without) · best 1st · Jun 2018 – Aug 2026
  • Nicholas Clemence · Dying A, Haulin' A, Haulin'A, Haulin’ A · A Scow, E Scow 19events 3 wins together · 4 podiums · 16% win rate · 21 of 123 races won Beat 51% of the fleet together(−8 vs. without) · best 1st · Jun 2018 – Aug 2026
  • Brett Hutchinson · Haulin' A, Haulin'A, HaulinA · A Scow 15events 2 wins together · 3 podiums · 13% win rate · 13 of 91 races won Beat 54% of the fleet together(−2 vs. without) · best 1st · Jun 2018 – Jun 2026
  • Max Schieble · Aderyn, Dying A, Haulin' A, Haulin'A · A Scow, E Scow 15events 2 wins together · 3 podiums · 13% win rate · 13 of 91 races won Beat 55% of the fleet together(−2 vs. without) · best 1st · May 2021 – Jun 2026
  • Trevor Trepton · Haulin' A, HaulinA, Janet, Trevor Trepton · A Scow, E Scow 15events 1 wins together · 1 podiums · 7% win rate · 11 of 90 races won Beat 47% of the fleet together(−13 vs. without) · best 1st · Jun 2018 – Jul 2024
  • Dan Groskopf · Dying A, Haulin' A, Haulin'A, Haulin’ A · A Scow 15events 3 wins together · 4 podiums · 20% win rate · 21 of 99 races won Beat 56% of the fleet together(±0 vs. without) · best 1st · Jun 2021 – Aug 2026
  • Red Tornehl · Aderyn, Dying A, Haulin' A, Haulin'A · A Scow, E Scow 12events 1 wins together · 2 podiums · 8% win rate · 5 of 83 races won Beat 58% of the fleet together(+2 vs. without) · best 1st · May 2021 – Aug 2026
  • Noah Janssen · Dying A, Haulin' A, Haulin'A, HaulinA · A Scow, College fleet racing 8events 0 wins together · 2 podiums · 0% win rate · 13 of 76 races won Beat 47% of the fleet together(−10 vs. without) · best 2nd · Apr 2016 – Aug 2026
  • Dave Trepton · Haulin' A, HaulinA · A Scow 5events 0 wins together · 0 podiums · 0% win rate · 0 of 24 races won Beat 35% of the fleet together(−24 vs. without) · best 9th · Jun 2018 – Aug 2021

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

Rating history

-1121594292014201620182020202220242026Helm rating, all classesCrew rating, all classes

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

Event history · 48

DateEventBoatClassRoleFinish
9 Aug 20262026 ILYA Annual Championship RegattaAderynE ScowCrew31st / 49
9 Aug 20262026 ILYA Annual Championship RegattaHaulin'AA ScowCrew16th / 21
9 Jul 20262026 ILYA E Scow Invitational RegattaAderynE ScowCrew16th / 38
26 Jun 20262026 NCASA Annual ChampionshipHaulin' AA ScowSpinnaker trimmer11th / 22
8 Jan 20262026 A Fleet Championship SeriesHaulin’ AA ScowCrew1st / 8
8 Jan 20262026 E Fleet Championship SeriesAderynE ScowCrew6th / 26
13 Sep 20252025 C Blue ChipFinn RoweC ScowCrew20th / 27
10 Aug 20252025 ILYA Annual A - E - C Championship RegattaAderynE ScowCrew10th / 38
10 Aug 20252025 ILYA Annual A - E - C Championship RegattaDying AA ScowCrew14th / 15
19 Jun 20252025 NCASA Annual ChampionshipHaulin' AA ScowSpinnaker trimmer15th / 20
1 Jan 20252025 A Scow Championship SeriesHaulin'AA ScowCrew2nd / 8
1 Jan 20252025 E Scow Championship SeriesAderynE ScowCrew10th / 26
10 Aug 20242024 ILYA Annual Championship RegattaHaulin' AA ScowCrew11th / 16
18 Jul 20242024 ILYA C Scow Invitational RegattaTom GroskopfC ScowSkipper35th / 50
10 Jul 20242024 ILYA E Scow Invitational RegattaTrevor TreptonE ScowCrew20th / 25
21 Jun 20242024 NCASA Annual ChampionshipHaulin' AA ScowSpinnaker trimmer8th / 19
31 Dec 20232024 A Scow Championship SeriesHaulin'AA ScowCrew1st / 7
31 Dec 20232024 E Scow Championship SeriesJanetE ScowCrew11th / 24
15 Sep 20232023 C Blue ChipPeter CommetteC ScowCrew13th / 26
7 Sep 20232023 E Scow National ChampionshipJanetE ScowOther69th / 126
15 Aug 20232023 ILYA Annual Championship RegattaHaulin' AA ScowCrew8th / 20
15 Aug 20232023 ILYA Annual Championship RegattaJanetE ScowCrew35th / 53
24 Jun 20232023 A Scow National Championship Regatta (NCASA)Haulin' AA ScowSpinnaker trimmer5th / 23
31 Dec 20222023 A Scow Championship SeriesHaulin' AA ScowCrew1st / 7
31 Dec 20222023 E Scow Championship SeriesJanetE ScowCrew16th / 26

Crew rating across all classes: 196, #15,363.Helm rating across all classes: 309, #9,378. Compiled from public results; not an official ranking.