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Sailor · 2017–2025

Bertram Elsensohn

segelclub m nnedorf OnyxSSL Challenge LeagueHandicap

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Events
21

189 races · 23 race wins

Win rate
14%

14% win rate · 3 of 21

Podium rate
48%

10 top-three finishes

Typically beats
69%

of boats faced (range 65%–74%, 264 boats)

Best class ranking
#19

Crew in Onyx · rating 244

Longest win streak
3

race wins in a row

Most successful partnership
Patrick Wuhrmann

3 wins · 3 podiums in 6 events together · 50% win rate

Best trio
Peter Stöckli & Patrick Wuhrmann

2 wins · 2 podiums in 5 events, all three aboard

Biggest lift
Nathalie Herrmann

+18 points of fleet beaten when sailing together

Longest-running crew
Peter Stöckli

May 2017 – May 2025 · 8 events

Nemesis
Patrick Stöckli

9–32 head to head in 43 races

Rival
Mara Bezel

18–24 in 75 races

Best day
20 Apr 2024

1-1-1 · Zürcher Frühlingspreis

Signature result
1st of 11

Zürcher Frühlingspreis · Onyx · 6 May 2023

Partnerships · 19 sailors

Most successful partnership: Patrick Wuhrmann — 3 wins · 3 podiums in 6 events together · 50% win rate
  • Peter Stöckli · S2 Immobilien Promotion, Segelclub Männedorf, Veriset, WERUBAU · Handicap, Onyx, SSL Challenge League Finals, SSL Challenge League YCL 8events 2 wins together · 4 podiums · 25% win rate · 10 of 69 races won Beat 71% of the fleet together(+8 vs. without) · best 1st · May 2017 – May 2025
  • Patrick Wuhrmann · S2 Immobilien, S2 Immobilien Promotion, Segelclub Männedorf, WERUBAU · Onyx, SSL Challenge League Finals, SSL Challenge League YCL 6events 3 wins together · 3 podiums · 50% win rate · 12 of 63 races won Beat 72% of the fleet together(+8 vs. without) · best 1st · May 2017 – May 2025
  • Patrick Stöckli · S2 Immobilien, S2 Immobilien Promotion, Segelclub Männedorf, veriset · Onyx, SSL Challenge League, SSL Challenge League SSCRo 5events 1 wins together · 3 podiums · 20% win rate · 10 of 57 races won Beat 76% of the fleet together(+12 vs. without) · best 1st · May 2017 – Aug 2024
  • Daniel Keel · Hegibau, Segelclub Männedorf, Veriset, Werubau · Onyx, SSL Challenge League 4events 0 wins together · 2 podiums · 4 events · 7 of 42 races won Beat 67% of the fleet together(±0 vs. without) · best 2nd · Apr 2018 – May 2025
  • Madeleine Maurer · ISP KÜCHEN, Madeleine MAURER, Segelclub Männedorf, Veriset · Onyx, SSL Challenge League SSCRo 4events 0 wins together · 1 podiums · 4 events · 2 of 40 races won Beat 58% of the fleet together(−11 vs. without) · best 3rd · Apr 2017 – May 2024
  • Nathalie Herrmann · Hegibau, WERUBAU · Handicap, Onyx 3events 0 wins together · 2 podiums · 3 events · 1 of 10 races won Beat 82% of the fleet together(+18 vs. without) · best 2nd · Apr 2018 – May 2024
  • Berthold Krumeich · Segelclub Männedorf · SSL Challenge League Finals, SSL Challenge League SSCRo, SSL Challenge League YCL 3events 0 wins together · 1 podiums · 3 events · 5 of 56 races won Beat 48% of the fleet together(−22 vs. without) · best 3rd · May 2017 – Aug 2017
  • Lukas Pulver · S2 Immobilien, S2 Immobilien Promotion, Veriset · Onyx 3events 0 wins together · 1 podiums · 3 events · 0 of 12 races won Beat 60% of the fleet together(−8 vs. without) · best 2nd · May 2019 – Aug 2024
  • Adrian Brühwiler · veriset, Veriset, Werubau · Onyx 3events 0 wins together · 2 podiums · 3 events · 4 of 22 races won Beat 68% of the fleet together(+2 vs. without) · best 2nd · May 2018 – May 2025
  • Yves Voillat · Segelclub Männedorf · SSL Challenge League 2events 0 wins together · 0 podiums · 2 events · 4 of 42 races won Beat 27% of the fleet together · best 6th · May 2018 – Sep 2018

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

Rating history

01182362018202020222024Crew rating, full-size sailing

Event history · 21

DateEventBoatClassRoleFinish
24 May 2025AlpencupS2 Immobilien PromotionOnyxCrew1st / 9
3 May 2025Zürcher FrühlingspreisWerubauOnyxCrew2nd / 10
24 Aug 2024Yacht-Weekend BächauS2 Immobilien PromotionOnyxCrew4th / 9
19 May 2024Internationale Pfingstregatta YCRWERUBAUOnyxCrew3rd / 9
18 May 2024ZSC Pfingstregatta Zürich-RapperswilWERUBAUHandicapCrew14th / 73
4 May 2024Mairegatta 2024Madeleine MAUREROnyxCrew5th / 9
20 Apr 2024Zürcher FrühlingspreisWERUBAUOnyxCrew1st / 10
6 May 2023Zürcher FrühlingspreisS2 ImmobilienOnyxCrew1st / 11
8 Oct 2022HerbstpreisS2 ImmobilienOnyxCrew2nd / 9
28 May 2022Onyx compasscup Act 3 KMWERUBAU AGOnyxCrew4th / 11
4 May 2019Zürcher FrühlingspreisVerisetOnyxCrew8th / 11
21 Sep 2018Act 4/2018 - Swiss Sailing Challenge League Finals - EstavayerSegelclub MännedorfSSL Challenge LeagueCrew12th / 12
25 Aug 2018SCE Yachtweekend BächauVerisetOnyxCrew3rd / 11
30 Jun 2018Compass Cup 2018 du YCGVerisetOnyxCrew7th / 10
19 May 2018Internationale PfingstregattaverisetOnyxCrew3rd / 12
5 May 2018Act 2&1 - SSL Super League & Challenge League - KreuzlingenSegelclub MännedorfSSL Challenge LeagueCrew6th / 12
28 Apr 2018Zürcher FrühlingspreisHegibauOnyxCrew2nd / 11
25 Aug 2017Act 4 - Swiss Sailing Challenge League Finals - DavosSegelclub MännedorfSSL Challenge League FinalsCrew10th / 12
20 May 2017Act 2 - Swiss Sailing Challenge League - RomanshornSegelclub MännedorfSSL Challenge League SSCRoCrew3rd / 11
6 May 2017Act 1 - Swiss Sailing Challenge League - LuzernSegelclub MännedorfSSL Challenge League YCLCrew7th / 12
29 Apr 2017Zürcher FrühlingspreisISP KÜCHENOnyxCrew4th / 11

Crew rating, Full-size sailing: 236, #12,069. Compiled from public results; not an official ranking.