Sailor · 2018–2026

Mathias Sommer

soci t nautique de gen ve Handicap Surprise PSAROS 33

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Events: 15
Win rate: 7%
Podium rate: 20%
Typically beats: 61%

Most successful partnership: Andrei Bals
Best trio: Andrei Bals & Leticia Maciel
Biggest lift: Andrei Bals
Nemesis: Eric Beausse
Rival: Cyrus Golchan
Signature result: 1st of 62

Partnerships · 38 sailors

Most successful partnership: Andrei Bals — 1 wins · 1 podiums in 3 events together

Christoph Köhler · Callisto · Handicap, La 1602 4events 0 wins together · 0 podiums · 4 events · 0 of 6 races won Beat 31% of the fleet together(−37 vs. without) · best 7th · Sep 2018 – Sep 2019
Pascal Baer · Callisto, MOSQUITO · Handicap, La 1602 4events 0 wins together · 0 podiums · 4 events · 0 of 7 races won Beat 51% of the fleet together(−10 vs. without) · best 9th · Nov 2018 – Jun 2025
Caroline Cartier · Callisto · Handicap, La 1602 3events 0 wins together · 0 podiums · 3 events · 0 of 4 races won Beat 20% of the fleet together(−47 vs. without) · best 7th · Sep 2018 – Sep 2019
Andrei Bals · IKI · Handicap 3events 1 wins together · 1 podiums · 3 events · 1 of 23 races won Beat 86% of the fleet together(+35 vs. without) · best 1st · Apr 2026 – Jun 2026
Patrick Girod · CARRON II, Mordicus-Girod Piscines, Raïjin · Epoque Marconi (EMA), PSAROS 33, Surprise 3events 0 wins together · 2 podiums · 3 events · 0 of 14 races won Beat 76% of the fleet together(+23 vs. without) · best 2nd · Oct 2021 – Jun 2024
Leticia Maciel · IKI · Handicap 3events 1 wins together · 1 podiums · 3 events · 1 of 23 races won Beat 86% of the fleet together(+35 vs. without) · best 1st · Apr 2026 – Jun 2026
Anthony Lier · IKI · Handicap 3events 1 wins together · 1 podiums · 3 events · 1 of 23 races won Beat 86% of the fleet together(+35 vs. without) · best 1st · Apr 2026 – Jun 2026
Lauriane Decline · IKI · Handicap 3events 1 wins together · 1 podiums · 3 events · 1 of 23 races won Beat 86% of the fleet together(+35 vs. without) · best 1st · Apr 2026 – Jun 2026
Julien Lalande · MOSQUITO · Handicap 2events 0 wins together · 0 podiums · 2 events · 0 of 4 races won Beat 61% of the fleet together · best 139th · Jun 2022 – Jun 2023
Marc Polliand · Callisto · Handicap, La 1602 2events 0 wins together · 0 podiums · 2 events · 0 of 3 races won Beat 31% of the fleet together · best 7th · Nov 2018 – Sep 2019

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

Rating history

Event history · 15

Date	Event	Boat	Class	Role	Finish
30 Jun 2026	Les Régates du Mardi - Coupe d'Eté	IKI	Handicap	Crew	1st / 62
22 Jun 2026	Semaine de la voile	IKI	Handicap	Crew	13th / 43
28 Apr 2026	Les Régates du Mardi - Coupe de Printemps	IKI	Handicap	Crew	11th / 73
7 Jun 2025	Genève-Rolle-Genève 2025	MOSQUITO	Handicap	Crew	123rd / 186
3 May 2025	Trophée Europ'Sails Surprise, Critérium Gd-Surprise, Toucan et Esse 850	Adrénaline	Surprise	Crew	7th / 11
1 Jun 2024	Psaros 33 Grand-Prix	Raïjin	PSAROS 33	Crew	5th / 8
4 May 2024	Top Voiles Cup 2024 acte 2 / Critérium Toucan & Grand Surprise Versoix	ISIS	Grand Surprise	Crew	4th / 9
10 Jun 2023	Bol d'Or Mirabaud	MOSQUITO	Handicap	Crew	184th / 406
20 Sep 2022	REGATES ROYALES 2022	CARRON II	Epoque Marconi (EMA)	Crew	2nd / 12
11 Jun 2022	Bol d'Or Mirabaud	MOSQUITO	Handicap	Crew	139th / 421
29 Oct 2021	Européen Surprise 2021	Mordicus-Girod Piscines	Surprise	Crew	3rd / 34
13 Sep 2019	La Route des Iles	Callisto	Handicap	Crew	7th / 8
15 Jun 2019	Bol d'Or Mirabaud	Callisto	Handicap	Crew	181st / 461
24 Nov 2018	la 1602 - Régate de l'Escalade	Callisto	La 1602	Crew	9th / 16
14 Sep 2018	La Route des Iles	Callisto	Handicap	Crew	8th / 8

Ratings

Class	Rating	Rank	Impact
All classes Crew	159 provisional	#19277 band 10261–33538	—

5 more classes, not yet ranked

Surprise · Crew · 8 races, 2 events · rating 42
PSAROS 33 · Crew · 6 races, 1 event · rating 25
Epoque Marconi (EMA) · Crew · 5 races, 1 event · rating 70
Grand Surprise · Crew · 3 races, 1 event · rating 36
La 1602 · Crew · 2 races, 1 event · rating 6

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	0 events	0 wins	beats —
As crew	15 events	1 wins	beats 58%

How they race

Closer	−20 pts	last race of an event vs. the rest
Comeback	+15 pts	the race after a bottom-half finish
Consistency	44%	100% = the same result every event
Big fleets	71%	of the fleet beaten
Small fleets	32%	of the fleet beaten

Head to head

Helm	Races	W–L
Cyrus Golchan	34	13–15
Nicolas Groux	30	10–14
Philippe de Weck	28	10–10
Jean-Yves Bressieux	28	17–5
Hans-Peter Bichelmeier	28	11–11
Patrick Ducluzaux	27	11–9
Christophe Iselin	27	15–6
Jean Olivier Kerr	27	10–12
Yves Bach	25	17–2
Thierry Bottge	25	13–7
Federico Crova	24	9–9
Thomas Früh	24	14–3

Most-beaten opponent: Yves Bach (17–2).

Seasons

Year	Events	Wins	Beat
2026	3	1	86%
2025	2	0	37%
2024	2	0	53%
2023	1	0	55%
2022	2	0	79%
2021	1	0	94%
2019	2	0	38%
2018	2	0	23%

Boats

Callisto · Handicap, La 1602 · 4 events · 2018–2019
IKI · Handicap · 3 events · 2026
MOSQUITO · Handicap · 3 events · 2022–2025
Adrénaline · Surprise · 1 events · 2025
Raïjin · PSAROS 33 · 1 events · 2024
ISIS · Grand Surprise · 1 events · 2024
CARRON II · Epoque Marconi (EMA) · 1 events · 2022
Mordicus-Girod Piscines · Surprise · 1 events · 2021

Where they race

Unknown · 15 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Crew rating across all classes: 159, #19,277. Compiled from public results; not an official ranking.