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Sailor · 2016–2026

Carsten Zieger

university of california at berkeley College fleet racingOptimistCollege team racing

Search sailors · About these ratings

Events
56

662 races · 39 race wins

Win rate
2%

2% win rate · 1 of 56

Podium rate
11%

6 top-three finishes

Typically beats
52%

of boats faced (range 50%–54%, 1,565 boats)

Best class ranking
#1859

Helm in Optimist · rating 236

Longest win streak
3

race wins in a row

Most successful partnership
Wilton Lawton

1 wins · 3 podiums in 14 events together · 7% win rate

Best trio
Aliyah Al-Khafaji & Annika Baumgartner

1 wins · 1 podiums in 8 events, all three aboard

Biggest lift
Tate Christopher

+17 points of fleet beaten when sailing together

Longest-running crew
Amelia Gassner

Jul 2022 – Jan 2026 · 9 events

Nemesis
Erik Anderson

38–187 head to head in 225 races

Rival
Juan Casal

62–42 in 104 races

Best day
7 Feb 2026

5-2-2-1-3-1-5-1-5-2-4-2-4-2-1-1 · Harris Kempner

Signature result
9th of 148

2024 Club 420 Midwinter Championship for the John V. Hanson Trophy · 420 · 17 Feb 2024

Partnerships · 43 sailors

Most successful partnership: Wilton Lawton — 1 wins · 3 podiums in 14 events together · 7% win rate
  • Annika Baumgartner · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears 2), University of California at Berkeley (Bears) · College fleet racing, College team racing 16events 1 wins together · 1 podiums · 6% win rate · 28 of 253 races won Beat 40% of the fleet together(−10 vs. without) · best 1st · Oct 2024 – Apr 2026
  • Wilton Lawton · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears 2), University of California at Berkeley (Bears) · College fleet racing, College team racing 14events 1 wins together · 3 podiums · 7% win rate · 27 of 229 races won Beat 55% of the fleet together(+10 vs. without) · best 1st · Oct 2024 – Apr 2026
  • Aliyah Al-Khafaji · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College team racing 14events 1 wins together · 2 podiums · 7% win rate · 19 of 237 races won Beat 46% of the fleet together(−2 vs. without) · best 1st · Oct 2024 – Apr 2026
  • John Mayfield · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College match racing, College team racing 10events 0 wins together · 1 podiums · 0% win rate · 7 of 147 races won Beat 43% of the fleet together(−5 vs. without) · best 2nd · Oct 2024 – Mar 2026
  • Nathaniel Grinkrug · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College team racing 9events 0 wins together · 1 podiums · 0% win rate · 13 of 147 races won Beat 40% of the fleet together(−9 vs. without) · best 3rd · Oct 2025 – Oct 2026
  • Gabriel Rousseau · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College team racing 9events 0 wins together · 0 podiums · 0% win rate · 12 of 155 races won Beat 33% of the fleet together(−17 vs. without) · best 4th · Jan 2025 – Oct 2026
  • Emerson Marquez · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College team racing 9events 0 wins together · 0 podiums · 0% win rate · 3 of 166 races won Beat 42% of the fleet together(−7 vs. without) · best 5th · Oct 2024 – Oct 2026
  • Amelia Gassner · Carsten Zieger, University of California at Berkeley (Bears 1), University of California at Berkeley (Bears 2), University of California at Berkeley (Bears) · College fleet racing, College team racing, Handicap 9events 0 wins together · 2 podiums · 0% win rate · 12 of 130 races won Beat 59% of the fleet together(+14 vs. without) · best 2nd · Jul 2022 – Jan 2026
  • Bianca Weber · Azulla, University of California at Berkeley (Bears) · College fleet racing, College match racing, College team racing, PHRF handicap 8events 0 wins together · 0 podiums · 0% win rate · 9 of 126 races won Beat 32% of the fleet together(−18 vs. without) · best 4th · Jan 2025 – Apr 2026
  • Nate Ingebritson · University of California at Berkeley (Bears 1), University of California at Berkeley (Bears) · College fleet racing, College team racing 7events 0 wins together · 0 podiums · 0% win rate · 10 of 117 races won Beat 42% of the fleet together(−6 vs. without) · best 5th · Oct 2024 – Apr 2025

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

Rating history

-218737620172019202120232025Helm rating, all classesCrew rating, all classes

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

Event history · 56

DateEventBoatClassRoleFinish
10 Oct 2026UCSD OpenUniversity of California at Berkeley (Bears 1)College fleet racingA Skipper9th / 25
3 Oct 2026PCCSC Richard Sweet Match Race ChampionshipUniversity of California at Berkeley (Bears)College match racingA Crew4th / 5
25 Apr 2026Anteater OpenUniversity of California at Berkeley (Bears)College fleet racingB Skipper4th / 14
18 Apr 2026PCCSC Mark Healy Open Fleet Race ChampionshipUniversity of California at Berkeley (Bears)College fleet racingA Skipper14th / 17
4 Apr 2026Carter Ford PCCSC Open Team Race ChampionshipUniversity of California at Berkeley (Bears)College team racingSkipper8th / 9
21 Mar 2026PCCSC South Designate 2026University of California at Berkeley (Bears 1)College fleet racingA Skipper (5-6,9-10)10th / 20
7 Mar 2026Mustang Team RaceUniversity of California at Berkeley (Bears)College team racingSkipper4th / 6
21 Feb 2026McIntyre Team RaceUniversity of California at Berkeley (Bears)College team racingSkipper8th / 10
14 Feb 2026Top-9 Spring InviteUniversity of California at Berkeley (Bears)College fleet racingB Skipper (1-9)9th / 9
7 Feb 2026Harris KempnerUniversity of California at Berkeley (Bears)College fleet racingB Skipper1st / 10
17 Jan 2026Peter Wenner Rainbow InviteUniversity of California at Berkeley (Bears)College fleet racingA Skipper (1-2,7-8)10th / 18
3 Jan 20262026 Rose Bowl RegattaUniversity of California at Berkeley (Bears)College fleet racingA Skipper (5-6)21st / 24
15 Nov 2025Fall Pacific Coast ChampionshipUniversity of California at Berkeley (Bears)College fleet racingB Skipper11th / 20
25 Oct 2025GREAT PUMPKIN 2025 FLEET RACING ON SATURDAYAzullaPHRF handicapSkipper9th / 9
18 Oct 2025Stoney Burke Co-Ed VarsityUniversity of California at Berkeley (Bears)College fleet racingB Skipper (1-4)3rd / 13
11 Oct 2025UCSD OpenUniversity of California at Berkeley (Bears 2)College fleet racingA Skipper4th / 24
4 Oct 2025PCCSC Richard Sweet Match Race ChampionshipUniversity of California at Berkeley (Bears)College match racingA Skipper6th / 6
29 Apr 20252025 SF Bay Folkboat Association Wednesday Evening Series, hosted by the St. Francis Yacht ClubTBDHandicapCrew4th / 4
26 Apr 2025Anteater OpenUniversity of California at Berkeley (Bears 1)College fleet racingB Skipper2nd / 14
19 Apr 2025PCCSC Mark Healy Open Fleet Race ChampionshipUniversity of California at Berkeley (Bears)College fleet racingB Skipper8th / 16
12 Apr 2025PCCSC Carter Ford Open Team Race ChampionshipUniversity of California at Berkeley (Bears)College team racingSkipper7th / 10
22 Mar 2025PCCSC South Designate 2025University of California at Berkeley (Bears)College fleet racingA Skipper9th / 17
15 Feb 2025Top-9 InviteUniversity of California at Berkeley (Bears)College fleet racingA Skipper8th / 9
8 Feb 2025McIntyre Team RaceUniversity of California at Berkeley (Bears)College team racingSkipper8th / 12
1 Feb 2025Mustang Team RaceUniversity of California at Berkeley (Bears)College team racingSkipper5th / 8

Helm rating across all classes: 368, #6,192.Crew rating across all classes: -2, #43,658. Compiled from public results; not an official ranking.