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Sailor · 2016–2024

Joao Siemsen

iate clube do rio de janeiro Nacra 17Mixed MultihullNacra

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Events
16

186 races · 3 race wins

Win rate
13%

13% win rate · 2 of 16

Podium rate
13%

2 top-three finishes

Typically beats
53%

of boats faced (range 50%–57%, 597 boats)

Best class ranking
#31

Helm in Nacra 17 · rating 272

Most successful partnership
Marina Arndt

2 wins · 2 podiums in 8 events together · 25% win rate

Biggest lift
Marina Arndt

+29 points of fleet beaten when sailing together

Longest-running crew
Marina Arndt

Apr 2022 – May 2024 · 8 events

Nemesis
John Gimson

30–125 head to head in 160 races

Rival
Laura Farese

76–73 in 151 races

Best day
7 Apr 2023

7-3-4 · 52 Trofeo S.A.R. Princesa Sofía Mallorca

Signature result
1st of 14

2022 North American's · Nacra 17 · 19 Aug 2022

Partnerships · 3 sailors

Most successful partnership: Marina Arndt — 2 wins · 2 podiums in 8 events together · 25% win rate
  • Marina Arndt · BRA 64, CBVELA, SIEMSEN / ARNDT · Mixed Multihull, Nacra 17 8events 2 wins together · 2 podiums · 25% win rate · 3 of 104 races won Beat 71% of the fleet together(+29 vs. without) · best 1st · Apr 2022 – May 2024
  • Isabel Swan · Energisa, MARINHA DO BRASIL, SIEMSEN / Swan, SIEMSEN / SWAN · Nacra 17 5events 0 wins together · 0 podiums · 0% win rate · 0 of 52 races won Beat 40% of the fleet together(−24 vs. without) · best 12th · Apr 2019 – Dec 2019
  • Gabriela Nicolino · Yamil · Nacra 17 1events 0 wins together · 0 podiums · 1 events · 0 of 16 races won Beat 50% of the fleet together · best 22nd · Feb 2016 – Feb 2016

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

Rating history

02034062017201920212023Helm rating, all classes

Event history · 16

DateEventBoatClassRoleFinish
7 May 20242024 Nacra 17 World Championship and 49er/FX European ChampionshipCBVELANacra 17Skipper10th / 44
1 Apr 2024Trofeo S.A.R. Princesa SofíaBRA 64Nacra 17Skipper21st / 48
11 Aug 2023Allianz Sailing World Championships 2023SIEMSEN / ARNDTMixed MultihullSkipper22nd / 49
4 Apr 202352 Trofeo S.A.R. Princesa Sofía MallorcaBRA 64Nacra 17Skipper10th / 52
31 Aug 20222022 World ChampionshipCBVELANacra 17Skipper20th / 34
19 Aug 20222022 North American'sCBVELANacra 17Skipper1st / 14
31 May 2022Hempel World Cup Allianz Regatta 2022CBVELANacra 17Skipper1st / 14
5 Apr 202251 Trofeo S.A.R. Princesa Sofía MallorcaCBVELANacra 17Skipper18th / 38
4 Dec 20192019 World ChampionshipEnergisaNacra 17Skipper21st / 52
25 Nov 20192019 Oceania ChampionshipEnergisaNacra 17Skipper24th / 50
4 Jun 2019Hempel World Cup Series Final 2019 | Marseille, FRASIEMSEN / SWANNacra 17Skipper12th / 24
15 Apr 2019Hempel World Cup Series 2019 | Genoa, ITASIEMSEN / SwanNacra 17Skipper43rd / 45
2 Apr 201950 Trofeo S.A.R. Princesa Sofía IBEROSTARMARINHA DO BRASILNacra 17Skipper41st / 59
13 Jan 20182018 Miami Skiff Midwinter RegattaBRA112NacraSkipper7th / 14
9 Feb 20162016 Nacra 17, 49er & 49erFX World ChampionshipYamilNacra 17Skipper22nd / 43
16 Jan 20162016 Miami Skiff and RS:X Midwinter Regatta230Nacra 17Skipper22nd / 33

Helm rating across all classes: 406, #4,657. Compiled from public results; not an official ranking.