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Sailor · 2020–2026

Vesper Gronborg

sdyc HandicapNaples Sabot420

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Events
109

783 races · 56 race wins

Win rate
5%

5% win rate · 5 of 109

Podium rate
23%

25 top-three finishes

Typically beats
57%

of boats faced (range 56%–59%, 2,734 boats)

Best class ranking
#35

Helm in Naples Sabot · rating 328

Longest win streak
6

race wins in a row

Most successful partnership
August Felgenhauer

1 wins · 3 podiums in 22 events together · 5% win rate

Biggest lift
August Felgenhauer

+8 points of fleet beaten when sailing together

Longest-running crew
August Felgenhauer

Oct 2022 – Oct 2026 · 22 events

Nemesis
Chris Gage

19–95 head to head in 115 races

Rival
Celeste Stout

112–89 in 202 races

Best day
8 Sep 2023

1-1-4-2-2-3-1-1-12 · Fall Gold Cup/Shadden Series #1

Signature result
2nd of 41

2026 Perry Series #1 @ CBYC · 420 · 24 Oct 2026

Partnerships · 8 sailors

Most successful partnership: August Felgenhauer — 1 wins · 3 podiums in 22 events together · 5% win rate
  • August Felgenhauer · Kylie Peterson, Vesper Gronborg · 29er, 420, FJ, Handicap 22events 1 wins together · 3 podiums · 5% win rate · 11 of 199 races won Beat 63% of the fleet together(+8 vs. without) · best 1st · Oct 2022 – Oct 2026
  • Isabella Cason · Vesper Gronborg · 420, Handicap 4events 0 wins together · 0 podiums · 4 events · 0 of 40 races won Beat 35% of the fleet together(−23 vs. without) · best 4th · Jul 2023 – Feb 2024
  • Kylie Peterson · Kylie Peterson, Vesper Gronborg · 420, Handicap 3events 0 wins together · 1 podiums · 3 events · 0 of 35 races won Beat 38% of the fleet together(−19 vs. without) · best 3rd · Jun 2023 – Sep 2023
  • Parker Shinn · Specific Impulse · Etchells 1events 0 wins together · 0 podiums · 1 events · 0 of 3 races won Beat 46% of the fleet together · best 23rd · Jan 2026 – Jan 2026
  • Celeste Stout · Vesper Gronborg · 420 1events 0 wins together · 0 podiums · 1 events · 0 of 6 races won Beat 52% of the fleet together · best 12th · May 2025 – May 2025
  • Kaya Hancock · Specific Impulse · Etchells 1events 0 wins together · 0 podiums · 1 events · 0 of 3 races won Beat 46% of the fleet together · best 23rd · Jan 2026 – Jan 2026
  • Eric Anderson · Specific Impulse · Etchells 1events 0 wins together · 0 podiums · 1 events · 0 of 3 races won Beat 46% of the fleet together · best 23rd · Jan 2026 – Jan 2026
  • Ellie Hannum · Vesper Gronborg · FJ 1events 0 wins together · 0 podiums · 1 events · 0 of 5 races won Beat 40% of the fleet together · best 4th · Oct 2022 – Oct 2022

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

Rating history

-116134383202120222023202420252026Helm rating, full-size sailingCrew rating, full-size sailing

— Helm rating, full-size sailing · - - Crew rating, full-size sailing

Event history · 109

DateEventBoatClassRoleFinish
24 Oct 20262026 Perry Series #1 @ CBYCVesper Gronborg420Skipper2nd / 41
29 Aug 2026C420 Pacific Coast ChampionshipVesper Gronborg420Skipper21st / 58
29 Jul 2026C420 Women's North American ChampionshipVesper Gronborg420Skipper10th / 49
23 Jul 20262026 C420 Open North AmericansVesper Gronborg420Skipper38th / 170
8 Jul 20262026 C420 National ChampionshipVesper Gronborg420Skipper14th / 73
29 Jun 20262026 US Junior Womens Doublehanded Championship for the Ida Lewis TrophyVesper Gronborg420Skipper2nd / 25
13 Jun 20262026 C420 California State ChampsVesper Gronborg420Skipper20th / 52
22 May 20262026 ILCA US ChampionshipVesper Gronborg (F)ILCA 4 (Laser 4.7)Skipper18th / 30
17 Apr 20262026 ILCA NA PACIFIC COAST CHAMPIONSHIPVesper GronborgILCA 4 (Laser 4.7)Skipper6th / 16
11 Apr 2026SCYYRA Perry Series #4Vesper Gronborg420Skipper17th / 40
20 Mar 20262026 ILCA Midwinters West & SCYYRA Ullman/Frost #4Vesper GronborgILCA 4 (Laser 4.7)Skipper14th / 29
24 Jan 2026SCYYRA Perry Series #3Vesper Gronborg420Skipper32nd / 56
17 Jan 20262026 Etchells West Coast Spring Series - Bill Bennett CupSpecific ImpulseEtchellsCrew23rd / 42
13 Dec 2025Perry #2 Coronado Yacht ClubVesper Gronborg420Skipper7th / 46
1 Nov 20252025 MBYC Junior Commodore's Regatta~SCYYRA North Series 2/4 & Ullman/Frost Series 2/4Vesper GronborgILCA 6 (Laser Radial)Skipper12th / 30
25 Oct 20252025 Fall Dinghy & RS Tera North American ChampionshipVesper Gronborg29erSkipper5th / 12
4 Oct 2025SDAYC Singlehanded Luff-In | Sabots/ILCAVesper GronborgILCA 6 (Laser Radial)Skipper1st / 14
13 Sep 20252025 C420 Pacific Coast Championship and Perry Series #1Vesper Gronborg420Skipper18th / 55
30 Aug 20252025 Labor Day RegattaVesper GronborgILCA 6 (Laser Radial)Skipper25th / 28
15 Aug 20252025-2026 SCYYRA SeriesVesper GronborgHandicapSkipper18th / 29
15 Aug 20252025-2026 SCYYRA SeriesVesper GronborgHandicapSkipper8th / 33
12 Jul 2025SDAYC Summer ChampsVesper GronborgILCA 6 (Laser Radial)Skipper2nd / 8
7 Jul 20252025 U.S. Junior Women's Singlehanded Championship for the Leiter TrophyVesper GronborgILCA 4 (Laser 4.7)Skipper2nd / 11
28 Jun 2025Summer Gold CupVesper GronborgNaples SabotSkipper9th / 26
18 Jun 2025U.S. Junior Women’s Doublehanded Championships for the Ida Lewis TrophyVesper Gronborg420Skipper13th / 22

Helm rating, Full-size sailing: 383, #5,706.Crew rating, Full-size sailing: -101, #57,242. Compiled from public results; not an official ranking.