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Sailor · 2011–2026

Mark Zagol

ness Viper 640505Melges 15

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Events
45

363 races · 71 race wins

Win rate
27%

27% win rate · 12 of 45

Podium rate
58%

26 top-three finishes

Typically beats
82%

of boats faced (range 80%–84%, 1,493 boats)

Best class ranking
#2

Helm in Viper 640 · rating 761

Longest win streak
7

race wins in a row

Most successful partnership
Drew Buttner

3 wins · 5 podiums in 7 events together · 43% win rate

Best trio
Tim Desmond & Drew Buttner

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

Biggest lift
Tim Desmond

+10 points of fleet beaten when sailing together

Longest-running crew
Andrew Buttner

Jul 2011 – Sep 2025 · 7 events

Nemesis
Howard Hamlin

11–34 head to head in 45 races

Rival
Peter Beardsley

43–31 in 74 races

Best day
25 Feb 2016

4-1-3-1-1-1-1-1-1-1 · 505 Midwinters

Signature result
1st of 37

2021 Viper 640 North American Championship · Viper 640 · 7 Oct 2021

Partnerships · 15 sailors

Most successful partnership: Drew Buttner — 3 wins · 5 podiums in 7 events together · 43% win rate
  • Tim Desmond · NESS · Viper 640 7events 2 wins together · 5 podiums · 29% win rate · 11 of 60 races won Beat 92% of the fleet together(+10 vs. without) · best 1st · Oct 2018 – Oct 2025
  • Mason Zagol · Mason Zagol, NESS · Melges 15 7events 0 wins together · 1 podiums · 0% win rate · 1 of 32 races won Beat 80% of the fleet together(−5 vs. without) · best 3rd · Jan 2024 – Jan 2026
  • Andrew Buttner · 8830, Kokatat, NESS, Viper 640 · 505, Handicap 7events 1 wins together · 4 podiums · 14% win rate · 10 of 66 races won Beat 88% of the fleet together(+5 vs. without) · best 1st · Jul 2011 – Sep 2025
  • Drew Buttner · NESS · 505, Viper 640 7events 3 wins together · 5 podiums · 43% win rate · 16 of 59 races won Beat 92% of the fleet together(+9 vs. without) · best 1st · Aug 2017 – Oct 2025
  • Caelan Desmond · NESS · Viper 640 1events 0 wins together · 0 podiums · 1 events · 1 of 8 races won Beat 77% of the fleet together · best 7th · Oct 2018 – Oct 2018
  • Arielle Darrow · NESS · Viper 640 1events 0 wins together · 1 podiums · 1 events · 1 of 10 races won Beat 92% of the fleet together · best 2nd · Apr 2019 – Apr 2019
  • Jason Suitor · Kraken · J/70 1events 0 wins together · 0 podiums · 1 events · 0 of 12 races won Beat 19% of the fleet together · best 35th · Sep 2014 – Sep 2014
  • Bill Griffin · Kill Bill · VX One 1events 0 wins together · 0 podiums · 1 events · 0 of 8 races won Beat 70% of the fleet together · best 7th · Mar 2016 – Mar 2016
  • Cole Brauer · Viper 640 North Americans · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 18 races won Beat 42% of the fleet together · best 12th · Oct 2022 – Oct 2022
  • Mary Ewenson · Evil Hiss · Viper 640 1events 0 wins together · 0 podiums · 1 events · 1 of 6 races won Beat 77% of the fleet together · best 4th · Mar 2022 – Mar 2022

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

Rating history

038977720122014201620182020202220242026Helm rating, full-size sailingCrew rating, full-size sailing

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

Event history · 45

DateEventBoatClassRoleFinish
3 Jan 20262025-26 Melges 15 Winter Series #2NESSMelges 15Crew18th / 133
22 Nov 20252025-26 Melges 15 Winter Series #1NESSMelges 15Crew43rd / 89
2 Oct 20252025 Viper 640 North American ChampionshipsNESSViper 640Skipper2nd / 28
11 Sep 2025U.S. Championship of ChampionsViper 640HandicapSkipper2nd / 20
22 Feb 20252024-25 Melges 15 Winter Series #3NESSMelges 15Crew3rd / 92
4 Jan 20252024-25 Melges 15 Winter Series #2NESSMelges 15Crew17th / 109
13 Dec 20242024 Viper 640 North American ChampionshipNESSViper 640Skipper1st / 30
22 Nov 20242024-25 Melges 15 Winter Series #1Mason ZagolMelges 15Crew15th / 66
23 Feb 20242024 Melges 15 Winter Series Event #2NESSMelges 15Crew13th / 79
5 Jan 20242024 Melges 15 Winter Series Event #1NESSMelges 15Crew26th / 90
22 Sep 2023Viper 640 North American Championship Presented by BMO Private WealthNESSViper 640Skipper11th / 23
28 Jul 2023Pettipaug Paul Risseeuw Junior Regatta 2023Mark ZagolILCA 6 (Laser Radial)Skipper3rd / 12
28 Mar 2023Allstate Sugar Bowl 2023 Viper 640 World ChampionshipNESSViper 640Skipper4th / 33
4 Feb 20232023 Viper 640 Winter Series #3NESSViper 640Other2nd / 17
20 Oct 2022Viper 640 North American ChampionshipNESSViper 640Other2nd / 30
6 Oct 2022US Sailing 2022 Championship of ChampionsViper 640 North AmericansHandicapSkipper12th / 20
24 Sep 2022Viper 640 New England ChampionshipNESSViper 640Other1st / 20
18 Mar 20222022 One Design Midwinter Regatta, Melges 14 MidwintersNESSViper 640Skipper1st / 11
9 Mar 20222022 Bacardi Cup Invitational RegattaEvil HissViper 640Main Trimmer4th / 14
19 Feb 2022Event #3 2021-22 Sarasota Viper Winter SeriesNESSViper 640Skipper3rd / 18
15 Jan 2022Event #2 2021-22 Sarasota Viper Winter SeriesNESSViper 640Skipper1st / 22
11 Dec 2021Event #1 2021-22 Sarasota Viper Winter SeriesNESSViper 640Skipper1st / 22
7 Oct 20212021 Viper 640 North American ChampionshipNESSViper 640Other1st / 37
2 Oct 20212021 Viper 640 Women's North American ChampionshipNESSViper 640Other3rd / 19
27 Aug 20212021 Viper New EnglandsNESSViper 640Skipper1st / 12

Helm rating, Full-size sailing: 730, #282.Crew rating, Full-size sailing: 567, #900. Compiled from public results; not an official ranking.