Takashi (大久保卓) Okubo
ID 99445
Born : 1973 Cat. M50 Ultrarunner since 2001 JPN
31
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
3
Countries visited ?FRAFranceITAItalyJPNJapan
11,0%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 1 672; Σ finishers = 15 234. 1 672 / 15 234 × 100 = 10.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races4 771 km
> 100 km18
> 160 km12
> 200 km11
Longest race250,0 km
27. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2015

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road85,1%
Trail14,9%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

100 km9h07'35

HISTORY

31 race(s)
DateRacePerf.Rk
2015
02.05 250km JPN27. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 32:54:54 h2 🥈
2014
02.05 250km JPN26. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 35:43:23 h14
2013
03.05 140km JPN25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 16:25:46 h5
2011
26.08 166km FRA9ème Ultra Trail Tour du Mont Blanc 36:05:54 h196
02.05 250km JPN23. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 36:09:36 h9
2010
28.08 89km ITA8ème Ultra Trail Tour du Mont Blanc 16:13:06 h218
02.05 250km JPN22. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 36:47:56 h9
25.04 112km JPN20th Fuji 5 Lakes 112 km Challenge 12:36:29 h97
2009
21.09 100km JPN1st Shinetsu Five Mountains Trail 100km 12:12:23 h14
02.08 75km JPN16. Ultramarathon Okumusashi 6:15:29 h25
02.05 250km JPN21. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:56:22 h88
11.04 70km JPN4th Toda Saiko 70 km 5:44:28 h4
2008
12.10 71.5km JPN16th Hasetsune Cup - Japan Mountain Endurance Race 11:53:16 h219
14.09 143km JPN11th Karisakatoge beyond Chichibu Run 16:53:12 h1 🏆
02.05 250km JPN20. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 41:58:19 h45
2007
16.09 141km JPN10th Karisakatoge beyond Chichibu Run 18:07:30 h8
02.05 250km JPN19. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 42:24:06 h40
07.04 70km JPN2nd Toda Saiko 70 km 5:55:47 h9
2006
17.09 141km JPN9th Karisakatoge beyond Chichibu Run 16:29:29 h2 🥈
02.05 250km JPN18. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 38:16:18 h11
2005
09.10 71.5km JPN13th Hasetsune Cup - Japan Mountain Endurance Race 12:52:05 h123
18.09 141km JPN8th Karisakatoge beyond Chichibu Run 17:47:57 h2 🥈
07.08 75km JPN12. Ultramarathon Okumusashi 6:45:22 h16
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 9:07:35 h98
02.05 250km JPN17. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 40:09:28 h29
2004
10.10 71.5km JPN12th Hasetsune Cup - Japan Mountain Endurance Race 12:42:21 h66
19.09 100km JPN4th Tango 100 km Ultramarathon 9:43:30 h28
02.05 250km JPN16. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:36:26 h44
2003
02.05 250km JPN15. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:39:58 h47
2002
12.10 71.5km JPN10th Hasetsune Cup - Japan Mountain Endurance Race 13:38:28 h97
2001
06.10 71.5km JPN9th Hasetsune Cup - Japan Mountain Endurance Race 14:44:40 h137