Jens Harder
ID 43116
Born : 1968 Cat. M55 Ultrarunner since 1988 GER
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
2
Countries visited ?GERGermanySUISwitzerland
51,8%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 5 826; Σ finishers = 11 241. 5 826 / 11 241 × 100 = 51.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races3 978 km
> 100 km6
> 160 km6
> 24h1
Longest race171,0 km
Kölnpfad - Einmol öm Kölle röm — 29/6/2019

Km per year (ultra races)

435
5 races
2022
63
1 race
2023
224
2 races
2024
63
1 race
2025
274
3 races
2026

Race types (share of distance)

Road76,0%
Trail22,0%
Elim.2,0%

Records

50 km4h58'04100 km9h13'33100 mi23h36'546 h56,26 km12 h88,20 kmBackyard12 loops

HISTORY

47 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
23.05 100mi GER10. TorTour de Ruhr - 100mi Nonstop 26:48:10 h54
22.02 50km GER24. Essener Rhein-Herne-Kanal Marathon 7:23:30 h15
11.01 63km GER8. G1 Grüngürtel Ultra Köln 9:16:56 h234
2025
12.01 63km GER7. G1 Grüngürtel Ultra Köln 8:47:38 h238
2024
18.05 100mi GER9. TorTour de Ruhr - 100mi Nonstop 24:27:08 h29
07.01 63km GER6. G1 Grüngürtel Ultra Köln 9:07:08 h228
2023
08.01 63km GER5. G1 Grüngürtel Ultra Köln 10:27:13 h211
2022
04.06 100mi GER8. TorTour de Ruhr - 100mi Nonstop 25:18:10 h23
22.05 6h GER3. 6-Stunden-Lauf Herne - DUV-DM 55.550 km48
22.05 6h GER3. 6-Stunden-Lauf Herne - offner Lauf 55.550 km48
07.05 100km GER7. WHEW100 13:25:49 h94
09.01 63km GER4. G1 Grüngürtel Ultra Köln 7:36:50 h114
2021
07.11 50km GER50 km Herbstwaldlauf - Ultramarathon in Bottrop DUV-DM 5:01:31 h133
07.11 50km GER22. 50 km Herbstwaldlauf - Ultramarathon in Bottrop 5:01:31 h136
02.10 Backyard Ultra GER1. 1. Last (wo)man standing NRW 80.472 km (12h)17
2020
09.02 63km GER3. G1 Grüngürtel Ultra Köln 7:12:57 h95
2019
03.11 50km GER21. 50 km Herbstwaldlauf - Ultramarathon in Bottrop 5:13:26 h152
29.06 171km GERKölnpfad - Einmol öm Kölle röm 29:38:12 h20
08.06 52km GER4. Neander-Rallye - K50 8:09:00 h22
04.05 100km GER6. WHEW100 12:24:00 h101
31.03 6h GER2. 6-Stunden-Lauf Herne 55.520 km37
17.02 63km GER2. G1 Grüngürtel Ultra Köln 7:24:57 h50
2018
04.11 50km GER20. 50 km Herbstwaldlauf - Ultramarathon in Bottrop 5:16:04 h157
19.05 100mi GER7. TorTour de Ruhr - 100mi Nonstop 23:36:54 h17
21.04 12h GERDie 24 Stunden von Oberberg 88.200 km8
10.03 6h GER9 6-Stunden-Lauf Münster 56.226 km66
2017
05.11 50km GER19. 50 km-Ultramarathon in Bottrop 5:24:53 h143
15.07 50km GER1. Regattabahn50 4:58:04 h28
06.05 100km GER4. WHEW100 11:58:47 h77
11.03 50km GER8. 6-Stunden-Lauf Münster - 50 km Split 5:18:32 h263
11.03 6h GER8. 6-Stunden-Lauf Münster - offener Lauf 56.256 km215
11.03 6h GER8. 6-Stunden-Lauf Münster - DUV-DM 56.256 km213
2016
14.05 100mi GER6. TorTour de Ruhr - 100mi Nonstop 26:04:22 h22
12.03 6h GER7. 6-Stunden-Lauf Münster 55.276 km167
1998
12.09 100km GER100 km Lauf Neuwittenbek - offener Lauf 9:13:33 h56
12.09 100km GER100 km Lauf Neuwittenbek 9:13:33 h52
1997
06.06 100km SUI39. 100 km Lauf Biel 11:28:06 h599
1996
07.09 100km GER24. 100 km Lauf Unna-Lünern 10:40:10 h50
1995
09.06 100km SUI37. 100 km Lauf Biel 11:09:43 h593
1993
04.09 100km GER100 km Lauf Rheine-Elte - offener Lauf 9:15:27 h114
04.09 100km GER100 km Lauf Rheine-Elte - Deutsche Meisterschaft 9:15:27 h106
1992
05.09 100km GER100 km Lauf Rheine-Elte - offener Lauf 10:02:27 h177
05.09 100km GER100 km Lauf Rheine-Elte - Deutsche Meisterschaft 10:02:27 h156
1991
26.10 100km GER1. 100 km Lauf Neuwittenbek 9:57:39 h67
1990
01.09 100km GER23. 100 km Lauf Unna 12:14:13 h128
1989
02.09 100km GER21. 100 km Lauf Unna 16:16:48 h245
1988
03.09 100km GER20. 100 km Lauf Unna 14:26:10 h317