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Sailor · 2019–2026

William Firmender

black rock yacht club 420College fleet racingLaser Radial

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Events
15

122 races · 9 race wins

Win rate
7%

7% win rate · 1 of 15

Podium rate
20%

3 top-three finishes

Typically beats
24%

of boats faced (range 21%–28%, 419 boats)

Best class ranking
#4540

Crew in College fleet racing · rating 92

Longest win streak
2

race wins in a row

Most successful partnership
Katie Caldwell

1 wins · 1 podiums in 4 events together

Biggest lift
Katie Caldwell

+17 points of fleet beaten when sailing together

Nemesis
Sydney Lombard

3–37 head to head in 40 races

Rival
Parker Thran

21–21 in 42 races

Best day
19 Sep 2026

4-5-4-5-6-7-4-3-2-2-1-4-4-1-3-1-2-2 · SAISA South Trophy

Signature result
1st of 6

Commodore's Cup 2023 · 420 · 5 Aug 2023

Partnerships · 18 sailors

Most successful partnership: Katie Caldwell — 1 wins · 1 podiums in 4 events together
  • Jemma Harmston · Cush III, Jemma Harmston, William Firmender · 420 4events 0 wins together · 0 podiums · 4 events · 0 of 24 races won Beat 22% of the fleet together(−19 vs. without) · best 7th · Jul 2022 – Jul 2022
  • Katie Caldwell · Katie Caldwell · 420 4events 1 wins together · 1 podiums · 4 events · 2 of 24 races won Beat 48% of the fleet together(+17 vs. without) · best 1st · Jul 2023 – Aug 2023
  • Matthew Ray · University of Miami (Hurricanes) · College fleet racing 2events 0 wins together · 2 podiums · 2 events · 6 of 42 races won Beat 66% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • Alan Timms · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 18 races won Beat 71% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • Christopher McCollum · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 24 races won Beat 60% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • Alice Pray · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 18 races won Beat 71% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • David Webb · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 24 races won Beat 60% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • Jackson Bjorklund · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 24 races won Beat 60% of the fleet together · best 3rd · Sep 2026 – Sep 2026
  • Caitlin Dean · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 0 podiums · 1 events · 1 of 12 races won Beat 64% of the fleet together · best 5th · Oct 2026 – Oct 2026
  • Matthew Black · University of Miami (Hurricanes) · College fleet racing 1events 0 wins together · 1 podiums · 1 events · 3 of 24 races won Beat 60% of the fleet together · best 3rd · Sep 2026 – Sep 2026

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

Rating history

-284-123372020202120222023202420252026Helm rating, all classesCrew rating, all classes

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

Event history · 15

DateEventBoatClassRoleFinish
3 Oct 2026Greg Popp Trophy @ ERAUUniversity of Miami (Hurricanes)College fleet racingA Crew5th / 12
26 Sep 2026SAISA Open Top 6 InviteUniversity of Miami (Hurricanes)College fleet racingC Crew (7-14)3rd / 6
19 Sep 2026SAISA South TrophyUniversity of Miami (Hurricanes)College fleet racingB Crew (1-3)3rd / 8
5 Aug 2023Commodore's Cup 2023Katie Caldwell420Crew1st / 6
1 Aug 20232023 JSA CHAMPIONSHIPS LASER, LASER RADIAL, LASER 4.7, C420 & GIRLS CHAMPSKatie Caldwell420Crew28th / 31
16 Jul 20232023 Larchmont Jr Race Week and Feva North AmericansKatie Caldwell420Crew23rd / 51
5 Jul 20232023 Pequot Race Week - InvitationalKatie Caldwell420Crew14th / 19
29 Jul 2022Commodore's Cup 2022Jemma Harmston420Crew7th / 10
23 Jul 20222022 JSA Race Week at Cedar PointJemma Harmston420Crew32nd / 41
17 Jul 20222022 Larchmont Jr Race WeekWilliam Firmender420Skipper43rd / 57
6 Jul 2022Pequot Invitational - 2022Cush III420Skipper25th / 27
30 Jul 2021Commodore's CupNanaLaserSkipper5th / 6
12 Jul 20212021 Larchmont Junior Race WeekNanaLaser RadialSkipper66th / 73
9 Jul 20212021 JSA Race Week at Cedar Point YCNanaLaser RadialSkipper63rd / 68
23 Jul 20192019 JSA Race Week Feva DayWilliam FirmenderFevaSkipper15th / 19

Crew rating across all classes: 37, #37,393.Helm rating across all classes: -284, #81,161. Compiled from public results; not an official ranking.