Ralf Kölsch
ID 12589
Born : 1963 Cat. M60 Ultrarunner since 2005 GER
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
49
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
5
Countries visited ?FRAFranceGERGermanyITAItalyRSASouth AfricaSUISwitzerland
61,0%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 19 089; Σ finishers = 31 312. 19 089 / 31 312 × 100 = 60.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races3 302 km
> 100 km2
> 160 km2
> 200 km1
> 24h1
Longest race328,0 km
4. Isarrun Gesamtwertung — 14/5/2007

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road28,4%
Trail51,8%
Stage19,8%

Records

50 km4h15'44100 km9h49'2850 mi8h47'206 h63,78 km24 h67,94 km

HISTORY

42 race(s) · 3 split(s) nested
DateRacePerf.Rk
2015
31.05 87km RSA90th Comrades Marathon - Up Run 11:31:58 h9410
31.01 50km GER16. 50km-Ultramarathon des RLT Rodgau 4:48:50 h243
2014
25.01 50km GER15. 50km-Ultramarathon des RLT Rodgau 4:15:44 h100
2013
18.05 85km GER5. Keufelskopf Ultra-Trail 12:37:25 h48
26.01 50km GER14. 50km-Ultramarathon des RLT Rodgau 4:49:00 h155
2012
26.05 85km GER4. Keufelskopf Ultra-Trail 14:47:43 h73
28.04 24h GER5. 24h Iserlohner Stadtwerkelauf am Seilersee 67.944 km96
17.03 6h GER16. Self-Transcendence 6-Stunden-Lauf Nürnberg 59.921 km37
28.01 50km GER13. 50km-Ultramarathon des RLT Rodgau 4:44:34 h258
2011
24.06 100km GER1. Zugspitz-Ultratrail 24:23:14 h309
28.05 85km GER3. Keufelskopf Ultra-Trail 12:19:45 h65
2010
23.10 50km GER20. Schwäbische Alb Marathon 5:43:30 h368
31.07 78km SUI25. Swiss Alpine Marathon 11:15:52 h1156
02.07 100km GER2. Lange Laufnacht von Ulm 100 km 13:23:48 h88
15.05 85km GER2. Keufelskopf Ultra-Trail 12:22:29 h54
20.03 100km GERXXX. Int. 100km-Lauf Grünheide/Kienbaum 11:01:57 h32
2009
28.08 166km FRA7ème Ultra Trail Tour du Mont Blanc 44:38:25 h1155
12.06 100km GER1. Lange Laufnacht von Ulm 100 km 12:39:27 h117
23.05 85.5km GER1. Keufelskopf Ultra-Trail 13:35:24 h26
16.05 72.7km GER37. GutsMuths-Rennsteiglauf 8:18:37 h820
19.04 54km FRA11ème Le Grand Defi des Vosges 7:34:13 h137
14.03 6h GER13. SCMT 6-Stunden-Lauf Nürnberg 58.708 km57
31.01 50km GER10. 50km-Ultramarathon des RLT Rodgau 5:08:24 h385
2008
26.10 63.3km GER8. Röntgenlauf 6:00:40 h55
26.07 78km SUI23. Swiss Alpine Marathon 11:39:17 h825
28.06 80km GER30. Internationaler Fidelitas-Nachtlauf (Finama) 8:47:20 h75
26.01 50km GER9. 50km-Ultramarathon des RLT Rodgau 4:17:17 h123
2007
24.08 86.5km ITA2ème Courmayeur-Champex-Chamonix 19:53:15 h786
28.07 78km SUI22. Swiss Alpine Marathon 10:20:34 h553
15.06 100km SUI49. 100 km Lauf Biel 11:55:17 h542
18.05 59km GERIsarrun Etappe 5 Fall-Scharnitz 5:50:13 h7
17.05 59km GERIsarrun Etappe 4 Wolfratshausen-Fall 6:27:03 h13
16.05 72km GERIsarrun Etappe 3 Freising-Wolfratshausen 7:58:52 h15
15.05 75km GERIsarrun Etappe 2 Dingolfing-Freising 8:12:13 h15
14.05 328km/5stages GER4. Isarrun Gesamtwertung 35:39:57 h14
14.05 62km GERIsarrun Etappe 1 Plattling-Dingolfing 7:11:36 h14
25.03 50km GER16. 50 km Lauf Eschollbrücken 4:18:37 h18
17.03 50km GER11. SCMT 6-Stunden-Lauf Nürnberg - 50km Split 4:32:57 h50
17.03 6h GER11. SCMT 6-Stunden-Lauf Nürnberg 63.781 km50
27.01 50km GER8. 50km-Ultramarathon des RLT Rodgau 4:40:03 h220
2005
30.07 78km SUI20. Swiss Alpine Marathon 9:43:03 h479
17.06 100km SUI47. 100 km Lauf Biel 9:49:28 h196