Willi Klesen
Born : 1962 Cat. M60 Ultrarunner since 2015 GER
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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 ?CZECzechiaGERGermanyHUNHungaryITAItalyLUXLuxembourgSUISwitzerland
21,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 592; Σ finishers = 2 808. 592 / 2 808 × 100 = 21.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races5 138 km
> 100 km19
> 160 km15
> 200 km9
> 24h13
> 48h7
Longest race717,8 km

Km per year (ultra races)

1 002
4 races
2022
1 692
3 races
2023
261
1 race
2024
186
1 race
2025
403
2 races
2026

Race types (share of distance)

Road79,2%
Trail15,9%
Stage4,9%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M5
Longest winning streak1
Current streak1

HISTORY

29 race(s) · 2 stage(s) nested · 12 split(s) nested
DateRacePerf.Rk
2026
29.08 24h GER8. Bottroper Ultralauf Festival 24h 180.475 km1 🏆
27.03 48h ITA6^ Cinisello Balsamo Running Festival - GOMU World Championship 48 Hour 222.600 km103
2025
30.08 24h GER7. Bottroper Ultralauf Festival 24h 186.368 km4
2024
05.09 6d HUN13th GOMU-EMU 6 Day World Championship 260.505 km103
2023
14.09 6d HUN12th EMU 6 Day World Trophy 671.201 km13
28.07 48h CZE22. Sri Chinmoy Self-Transcendence 48-Std.-Lauf Kladno 302.874 km2 🥈
12.03 6d ITA1^ GOMU 6 Days World Championship 717.751 km9
2022
23.09 48h SUI3. 48-Stundenlauf Aare-Insel Brugg 301.556 km3 🥉
22.07 48h CZESelf-Transcendence Race 48h Kladno 292.267 km5
14.05 100km GERBottroper Ultralauf Festival 24h (BUF) - 100km-Split 10:29:39 h17
14.05 100mi GERBottroper Ultralauf Festival 24h (BUF) - 100mi-Split 18:07:50 h13
14.05 24h GERBottroper Ultralauf Festival 24h (BUF) - DM 204.330 km14
14.05 24h GERBottroper Ultralauf Festival 24h (BUF) - offener Lauf 204.330 km14
2020
31.07 100mi GER16. Chiemgauer100 - 100 Meilen Bergultralauf 31:47:43 h8
2019
14.09 112km LUX4ème Leopard Ultratrail du Mullerthal (UTML) - Ultratrail 112km 14:19:30 h16
24.08 24h GER3. Bottroper Ultralauf Festival 24h (BUF), offener Lauf 181.873 km18
24.08 100mi GER3. Bottroper Ultralauf Festival 24h - 100mi Split 20:08:46 h17
24.08 100km GER3. Bottroper Ultralauf Festival 24h - 100km Split 11:09:45 h17
24.08 24h GER3. Bottroper Ultralauf Festival 24h (BUF) - DM Wertung 181.873 km18
08.06 78km GER11. Keufelskopf Ultra-Trail - DM Ultratrail 9:59:26 h30
08.06 78km GER11. Keufelskopf Ultra-Trail - offener lauf 9:59:26 h36
2018
06.10 100mi GER2. Taubertal 100 mi 18:26:13 h4
08.09 112km LUX3ème Leopard Ultratrail du Mullerthal (UTML) - Ultratrail 112km 14:35:59 h8
26.08 58km GER7. RAG-Hartfüßler-Trail 58 km 6:07:05 h17
08.06 100km SUI60. 100 km Lauf Biel 10:01:16 h86
11.05 124km/2stages GER8. SH-Supertrail (Saar-Hunsrück) 13:43:00 h2 🥈
2017
29.10 60km GER2. Saarschleife Trail 6:38:40 h37
2016
15–16.05 128km/2stages GER6. SH-Supertrail (Saar-Hunsrück) 16:49:00 h13
2015
10.05 58km GER4. RAG-Hartfüßler-Trail 58 km 6:48:55 h53