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Sailor · 2008–2026

Ian Macdiarmid

lyc 49erOptimist29er

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Events
60

642 races · 68 race wins

Win rate
7%

7% win rate · 4 of 60

Podium rate
22%

13 top-three finishes

Typically beats
75%

of boats faced (range 73%–76%, 3,173 boats)

Best class ranking
#12

Crew in 49er · rating 420

Longest win streak
7

race wins in a row

Most successful partnership
Wade Waddell

1 wins · 2 podiums in 3 events together

Biggest lift
Nevin Snow

+24 points of fleet beaten when sailing together

Longest-running crew
Andrew Mollerus

Jan 2018 – May 2024 · 27 events

Nemesis
Diego Botin

42–113 head to head in 161 races

Rival
Lucas Rual

183–203 in 400 races

Best day
24 Oct 2009

1-1-1-1-3-3-1-2-2-1-1-2 · 2009 Fall Harvest Regatta

Signature result
2nd of 101

55 Trofeo S.A.R. Princesa Sofía · 49er · 31 Mar 2026

Partnerships · 10 sailors

Most successful partnership: Wade Waddell — 1 wins · 2 podiums in 3 events together
  • Andrew Mollerus · Andrew Mollerus, Andrew MOLLERUS, MOLLERUS / MACDIARMID, Mollerus/Macdiarmid · 49er 27events 0 wins together · 1 podiums · 0% win rate · 21 of 334 races won Beat 70% of the fleet together(±0 vs. without) · best 2nd · Jan 2018 – May 2024
  • Nevin Snow · AMERICA ONE RACING, Nevin SNOW, USA 31, Wahgwan · 49er, Melges 24 9events 0 wins together · 3 podiums · 0% win rate · 17 of 132 races won Beat 91% of the fleet together(+24 vs. without) · best 2nd · Apr 2025 – Jul 2026
  • Wade Waddell · 49er, US Sailing Development Team, Wade WADDELL · 49er, 49erFX 3events 1 wins together · 2 podiums · 3 events · 6 of 29 races won Beat 62% of the fleet together(−9 vs. without) · best 1st · Aug 2014 – Feb 2016
  • Scott Ewing · Paris Hilton · 49er 1events 1 wins together · 1 podiums · 1 events · 10 of 12 races won Beat 100% of the fleet together · best 1st · Sep 2016 – Sep 2016
  • David Liebenberg · LIEBENBERG / MACDIARMID · 49er 1events 0 wins together · 0 podiums · 1 events · 0 of 13 races won Beat 64% of the fleet together · best 10th · Jan 2017 – Jan 2017
  • Anthony Kotoun · Wahgwan · Melges 24 1events 0 wins together · 0 podiums · 1 events · 1 of 9 races won Beat 92% of the fleet together · best 4th · Nov 2025 – Nov 2025
  • Hannah Noll · Wahgwan · Melges 24 1events 0 wins together · 0 podiums · 1 events · 1 of 9 races won Beat 92% of the fleet together · best 4th · Nov 2025 – Nov 2025
  • Justin Callahan · Fetch · 470 1events 0 wins together · 1 podiums · 1 events · 1 of 9 races won Beat 88% of the fleet together · best 2nd · Oct 2017 – Oct 2017
  • Lucas Calabrese · CALABRESE / MACDIARMID · 470 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 21% of the fleet together · best 12th · Aug 2017 – Aug 2017
  • Dylan Vogel · Wahgwan · Melges 24 1events 0 wins together · 0 podiums · 1 events · 1 of 9 races won Beat 92% of the fleet together · best 4th · Nov 2025 – Nov 2025

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

Rating history

0278556200920122015201820212024Helm rating, full-size sailingCrew rating, full-size sailing

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

Event history · 60

DateEventBoatClassRoleFinish
7 Jul 202649er, 49er FX and Nacra 17 - European Championships 2026Nevin SNOW49erCrew13th / 93
21 Jun 2026Kieler Woche 2026Nevin SNOW49erCrew3rd / 90
12 May 2026World Championships 49er, 49erFX, Nacra 17 - 2026Nevin SNOW49erCrew21st / 82
21 Apr 2026SOF 2026 - French Olympic WeekAMERICA ONE RACING49erCrew4th / 45
31 Mar 202655 Trofeo S.A.R. Princesa SofíaUSA 3149erCrew2nd / 101
14 Nov 20252025 Melges24 Nationals - Bushwhacker CupWahgwanMelges 24Spinnaker trimmer4th / 38
7 Oct 20252025 World ChampionshipNevin SNOW49erCrew16th / 84
3 Jun 20252025 European ChampionshipNevin SNOW49erCrew2nd / 54
1 Apr 202554 Trofeo S.A.R. Princesa SofíaUSA 3149erCrew6th / 91
7 May 20242024 Nacra 17 World Championship and 49er/FX European ChampionshipAndrew MOLLERUS49erCrew21st / 70
1 Apr 2024Trofeo S.A.R. Princesa SofíaUSA 549erCrew4th / 85
5 Mar 20242024 49er & 49erFX World ChampionshipAndrew MOLLERUS49erCrew8th / 71
3 Jan 20242024 US Olympic Team Trials - Sailing (Mixed Dinghy, Men's and Women's Windsurfing, Men's Kite, Men's Skiff)Andrew Mollerus49erCrew2nd / 8
11 Aug 2023Allianz Sailing World Championships 2023MOLLERUS / MACDIARMID49erCrew5th / 83
4 Apr 202352 Trofeo S.A.R. Princesa Sofía MallorcaUSA 4349erCrew14th / 99
30 Sep 2022Allianz SWC Test Event - Men's and Women's SkiffMOLLERUS / MACDIARMID49erCrew7th / 26
31 Aug 20222022 World ChampionshipAndrew MOLLERUS49erCrew22nd / 65
19 Aug 20222022 North American'sAndrew MOLLERUS49erCrew11th / 45
5 Jul 20222022 European ChampionshipAndrew MOLLERUS49erCrew11th / 93
23 Jun 2022Kieler Woche 2022Andrew MOLLERUS49erCrew14th / 91
31 May 2022Hempel World Cup Allianz Regatta 2022Andrew MOLLERUS49erCrew11th / 40
5 Apr 202251 Trofeo S.A.R. Princesa Sofía MallorcaUSA 4349erCrew5th / 76
14 Sep 20212021 European ChampionshipAndrew MOLLERUS49erCrew7th / 61
10 Sep 2020Kieler Woche 2020Andrew MOLLERUS49erCrew22nd / 52
10 Feb 20202020 World ChampionshipAndrew MOLLERUS49erCrew14th / 78

Crew rating, Full-size sailing: 556, #1,014.Helm rating, Full-size sailing: 320, #8,954. Compiled from public results; not an official ranking.