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Sailor · 2016–2026

Mark Xu

the san francisco yacht club Optimist29erHandicap

Search sailors · About these ratings

Events
51

395 races · 54 race wins

Win rate
18%

18% win rate · 9 of 51

Podium rate
41%

21 top-three finishes

Typically beats
70%

of boats faced (90%: 68%–72%, 1,696 boats)

Best class ranking
#775

Helm in Optimist · rating 382

Longest win streak
9

race wins in a row

Most successful partnership
Rhett Krawitt

4 wins · 7 podiums in 9 events together · 44% win rate

Best trio
Elsie Schroeder & Aaron Ziegler

2 wins · 4 podiums in 4 events, all three aboard

Biggest lift
Elsie Schroeder

+19 points of fleet beaten when sailing together

Longest-running crew
Julian Levash

Jul 2021 – Aug 2024 · 5 events

Nemesis
Anton Schmid

2–53 head to head in 55 races

Rival
Beckett Kern

49–48 in 98 races

Best day
29 Jul 2017

5-6-5-2-6-2-3-1-1-2-2-1-2 · 2017 BAYS Summer Series #3 · about 1 in 5,473 by chance

Signature result
1st of 35

2021 Optimist Pacific Coast Championship · Optimist · 7 Oct 2021

Partnerships · 36 sailors

Most successful partnership: Rhett Krawitt — 4 wins · 7 podiums in 9 events together · 44% win rate
  • Anthony Skerrett · Mark Xu · 29er, 420, Handicap 9events 1 wins together · 1 podiums · 11% win rate · 5 of 79 races won Beat 57% of the fleet together(−17 vs. without) · best 1st · Mar 2023 – Oct 2024
  • Rhett Krawitt · Aaron Ziegler, Area G, Hailey Thompson, Jr. Board · Handicap, J/22, RS21 9events 4 wins together · 7 podiums · 44% win rate · 22 of 59 races won Beat 83% of the fleet together(+15 vs. without) · best 1st · May 2023 – Jul 2025
  • Julian Levash · Area G, Hailey Thompson, Pink Lemonade, Spencer Thompson · J/22, RS21 5events 2 wins together · 4 podiums · 40% win rate · 10 of 40 races won Beat 81% of the fleet together(+12 vs. without) · best 1st · Jul 2021 – Aug 2024
  • Elsie Schroeder · Aaron Ziegler, Mark Xu · Handicap, J/22 4events 2 wins together · 4 podiums · 4 events · 12 of 19 races won Beat 88% of the fleet together(+19 vs. without) · best 1st · Apr 2025 – Jul 2025
  • Aaron Ziegler · Aaron Ziegler, Mark Xu · Handicap, J/22 4events 2 wins together · 4 podiums · 4 events · 12 of 19 races won Beat 88% of the fleet together(+19 vs. without) · best 1st · Apr 2025 – Jul 2025
  • Alexander Moon · Mark Xu, MOAB · 29er, RS21 3events 1 wins together · 2 podiums · 3 events · 6 of 20 races won Beat 69% of the fleet together(−2 vs. without) · best 1st · Oct 2022 – Jul 2023
  • Blake Oberbauer · Area G, Pink Lemonade · J/22, RS21 2events 1 wins together · 1 podiums · 2 events · 3 of 15 races won Beat 81% of the fleet together · best 1st · Oct 2023 – Aug 2024
  • Julia Stewart · Hahnenkamm, Hahnnkamm · 29er (Euro Cup), 29er World Championship 2026 2events 0 wins together · 0 podiums · 2 events · 0 of 28 races won Beat 66% of the fleet together · best 64th · Jun 2026 – Jul 2026
  • Hailey Thompson · Area G, Hailey Thompson · RS21 2events 1 wins together · 2 podiums · 2 events · 6 of 20 races won Beat 97% of the fleet together · best 1st · May 2023 – Aug 2023
  • Beckett Kern · Aaron Ziegler, Jr Board · Handicap, RS21 2events 1 wins together · 2 podiums · 2 events · 4 of 9 races won Beat 88% of the fleet together · best 1st · Apr 2025 – Apr 2026

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

Rating history

-10716243020172019202120232025Helm rating, all classesCrew rating, all classes

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

Event history · 51

DateEventBoatClassRoleFinish
7 Aug 20262026 Chubb US Youth Triplehanded Championship for the Sears CupMark XuHandicapSkipper3rd / 16
3 Jul 202629er World Championship 2026Hahnenkamm29er World Championship 2026Crew64th / 276
25 Jun 2026Kieler Woche 2026Hahnnkamm29er (Euro Cup)Crew73rd / 158
16 May 20262026 Elvstrom-Zellerbach RegattaMark Xu420Skipper1st / 20
9 May 20262026 Sears Cup Area G QualifierMark XuRS21Skipper2nd / 7
18 Apr 2026Leadership CupJr BoardRS21Crew2nd / 5
8 Jul 20252025 J/22 Summer SeriesAaron ZieglerJ/22Crew2nd / 8
10 May 20252025 U.S. Youth Triplehanded Championship for the Sears Cup - Area G QualifierMark XuJ/22Skipper1st / 8
29 Apr 20252025 SF Bay Folkboat Association Wednesday Evening Series, hosted by the St. Francis Yacht ClubAaron ZieglerHandicapCrew1st / 4
29 Apr 20252025 SF Bay Folkboat Association Wednesday Evening Series, hosted by the St. Francis Yacht ClubAaron ZieglerHandicapCrew2nd / 4
15 Mar 2025CISA Clinic 2025Mark XuHandicapSkipper2nd / 12
25 Oct 20242024 Fall DinghyMark Xu29erSkipper6th / 14
5 Oct 20242024 Totally Dinghy200029erSkipper1st / 8
4 Aug 20242024 CHUBB U.S. Youth Triple Handed Championship for the Sears CupArea GJ/22Skipper7th / 17
21 Jul 20242024 29er National ChampionshipMark Xu29erSkipper12th / 16
25 Apr 2024Leadership CupJr. BoardRS21Skipper4th / 6
1 Mar 2024BAYS Winter #3Mark Xu29erSkipper1st / 3
27 Oct 2023SFYC Fall RS21 Youth Invitational RegattaPink LemonadeRS21Skipper1st / 6
20 Oct 20232023 Fall DinghyMark Xu29erSkipper5th / 13
22 Sep 2023SDYC Junior Invitational Regatta, SCYYRA North Series #1 & Hamlin Series#1Mark Xu29erSkipper7th / 14
11 Aug 2023Chubb U.S. Youth Triplehanded Championship for the Sears CupArea GRS21Crew2nd / 19
31 Jul 2023SCYYRA Series 2023/2024Mark XuHandicapSkipper6th / 18
28 Jul 2023BAYS Summer Series #3Mark Xu29erSkipper2nd / 5
14 Jul 20232023 BAYS 2Mark Xu29erSkipper1st / 6
25 Jun 20232023 U.S. Youth Championship presented by SouthCoast WindMark Xu29erSkipper12th / 26

Helm rating across all classes: 430 (±123), #3,858.Crew rating across all classes: 415 (±176), #3,279. Compiled from public results; not an official ranking.