Laurence Klein
ID 120263
Born : 1969 Cat. W55 Ultrarunner since 2009 FRA
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
6
Countries visited ?CROCroatiaESPSpainFRAFranceIRLIrelandMARMoroccoNEDNetherlands
12,1%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 3 629; Σ finishers = 29 892. 3 629 / 29 892 × 100 = 12.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed86
Km — ultra races4 701 km
> 100 km10
> 160 km9
> 200 km9
> 24h1
Longest race270,0 km
40. Marathon des Sables Legendary — 5/4/2026

Km per year (ultra races)

250
1 race
2022
2023
295
2 races
2024
296
2 races
2025
318
2 races
2026

Race types (share of distance)

Road28,2%
Trail23,9%
Stage47,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F12
🏅 Top 30
🏅 Top 3 F17
Longest winning streak0
Current streak0

Records

50 km4h01'29100 km7h56'2450 mi6h14'3324 h124,99 km

HISTORY

44 race(s)
DateRacePerf.Rk
2026
05.04 270km/6stages MAR40. Marathon des Sables Legendary 37:40:59 h162
21.03 47.5km FRA16ème EcoTrail de Paris - Ile de France 45 km 4:05:56 h137
2025
06.04 250km/6stages MAR39. Marathon des Sables 34:50:29 h148
22.03 45.9km FRA15ème EcoTrail de Paris - Ile de France 45 km 4:12:25 h95
2024
04.04 250km/6stages MAR38. Marathon des Sables 38:48:53 h175
16.03 45km FRA14ème EcoTrail de Paris - Ile de France 45 km 4:02:09 h124
2022
25.03 250km/6stages MAR36. Marathon des Sables 40:48:16 h329
2019
28.09 100km FRA48ème Les 100 km de Millau 8:36:46 h10
07.04 237km/6stages MAR34. Marathon des Sables Maroc 34:02:38 h190
2018
08.09 100km CROCro100 - total (WC,WMA,open) 8:33:41 h123
08.09 100km CROWMA 100km, Sveti Martin 8:33:41 h60
08.09 100km CRO30. IAU 100km WC, Sveti Martin 8:33:41 h118
2017
07.10 6h FRA8ème 24 Heures du Quai du Cher - 6h Split 59.927 km33
07.10 12h FRA8ème 24 Heures du Quai du Cher - 12h Split 107.975 km36
07.10 24h FRA8ème 24 Heures du Quai du Cher 124.992 km122
2016
27.11 100km ESP100km Los Alcazares, combined IAU & WMA & open race 8:33:35 h119
27.11 100km ESP100km Los Alcazares, WMA 100 km WC 8:33:35 h60
27.11 100km ESP100km Los Alcazares, IAU 100 km WC 8:33:35 h104
2015
12.09 50km NED40. RUN Winschoten 100 km - 50km Split 3:55:46 h115
12.09 100km NEDIAU 100km EC (RUN Winschoten 100 km) 7:56:24 h60
12.09 100km NEDIAU 100km WC (RUN Winschoten 100 km) 7:56:24 h81
12.09 100km NED40. RUN Winschoten 100 km - open race 7:56:24 h87
16.05 100km FRA28ème Les 100 km de Vendée - Champ. Nationaux 7:59:51 h19
16.05 100km FRA28ème Les 100 km de Vendée 7:59:51 h21
05.04 249km/6stages MAR30. Marathon des Sables 34:17:04 h161
21.03 50km FRA6ème Le EcoTrail de Paris - Ile de France 50 km 4:01:29 h21
2014
26.07 63km FRA25ème La 6000D 10:02:41 h683
27.06 56km FRA10ème Trail 56 Golfe du Morbihan 4:30:31 h12
31.05 45km FRA4ème Ultra Trail des Hautes-Côtes 4:29:29 h17
06.04 244km/6stages MAR29. Marathon des Sables 30:05:19 h48
15.02 50km FRA10ème Gruissan Phoebus Trail de 50 km 4:35:21 h20
2013
19.05 65km FRALes Gendarmes Et Les Voleurs De Temps 7:24:04 h36
16.03 80km FRA6ème Le Trail de Paris-Ile de France 80 km 6:14:33 h9
2012
08.04 250.7km/6stages MAR27. Marathon des Sables 26:15:40 h22
2011
09.07 71.5km IRLIAU Trail WC Connemara - Open race 8:14:49 h52
09.07 71.5km IRL3rd IAU Trail WC Connemara 8:14:49 h51
19.06 48km FRALe Marathon des Burons - 48 km Courir en Aubrac 4:10:16 h12
03.04 250.7km/6stages MAR26. Marathon des Sables 26:57:24 h20
2010
24.10 70.8km FRA16ème La Grande Course des Templiers 8:13:27 h58
12.09 58km FRA4ème Trail Cote d'Opale 4:49:55 h10
25.06 56km FRA6ème Trail 56 Golfe du Morbihan 4:16:40 h4
02.05 49km FRA8ème Trail Nivolet Revard 49 kms 5:04:14 h47
20.03 80km FRA3ème Le Trail de Paris-Ile de France 6:32:36 h5
2009
25.10 72km FRA15ème La Grande Course des Templiers 7:35:35 h38