Yasuhiro (馬場康弘) Bamba
Born : 1974 Cat. M50 Ultrarunner since 2013 JPN
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
1
Countries visited ?JPNJapan
21,7%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 712; Σ finishers = 7 883. 1 712 / 7 883 × 100 = 21.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 439 km
> 100 km10
> 160 km2
> 200 km2
Longest race206,0 km

Km per year (ultra races)

102
2 races
2022
360
4 races
2023
101
2 races
2024
101
2 races
2025
54
1 race
2026

Race types (share of distance)

Road53,5%
Trail46,5%

HISTORY

28 race(s)
DateRacePerf.Rk
2026
14.06 54km JPN4th Around Toki River 8:06:17 h11
2025
30.11 50km JPN12th Trainic world Soto-Chichibu Trail Run 50km 6:55:15 h9
05.10 51.4km JPN13th Trainic world Ogose-Tokigawa Trail Run 50km 7:11:17 h20
2024
01.12 50km JPN11th Trainic world Soto-Chichibu Trail Run 50km 7:40:48 h38
06.10 51.4km JPN12th Trainic world Ogose-Tokigawa Trail Run 50km 6:55:25 h10
2023
03.12 51.4km JPN11th Trainic world Ogose-Tokigawa Trail Run 50km 6:58:31 h19
28.10 147km JPN5th Autumn leaves in Okumusashi / Chichibu Journey run 18:41:50 h16
01.10 52km JPN10th Trainic world Soto-Chichibu Trail Run 50km 7:53:43 h17
20.05 109.2km JPN8th Trainic World 100 km in Sai-No-Kuni 28:27:40 h230
2022
30.10 49.6km JPN10th Trainic world Ogose-Tokigawa Trail Run 50km 6:22:14 h10
02.10 52km JPN9th Trainic world Soto-Chichibu Trail Run 50km 6:56:49 h11
2021
30.10 146km JPN3rd Autumn leaves in Okumusashi / Chichibu Journey run 18:14:49 h27
2020
22.02 206km JPN10th Little Edo Oedo 205k 33:27:56 h120
2019
02.11 145km JPN1st Autumn leaves in Okumusashi / Chichibu Journey run 18:59:06 h20
29.09 53km JPN7th Trainic world Soto-Chichibu Trail Run 50km 7:16:33 h16
23.02 204km JPN9th Little Edo Oedo 200k 30:14:49 h63
2018
08.09 49.8km JPN6th Trainic world Soto-Chichibu Trail Run 50km 7:39:36 h28
08.07 49.6km JPN7th Trainic world Ogose-Tokigawa Trail Run 50km 6:54:02 h15
19.05 106km JPN3rd Trainic World 100 km in Sai-No-Kuni 23:09:21 h55
2017
09.07 49.8km JPN5th Trainic world Chichibu Trail Run 50km 7:57:46 h28
20.05 106km JPN2nd Trainic World 100 km in Sai-No-Kuni 27:59:55 h133
2016
18.09 144km JPN19th Karisakatoge beyond Chichibu Run 20:34:16 h26
10.07 49.6km JPN5th Trainic world Ogose-Tokigawa Trail Run 50km 6:54:17 h14
08.05 49.8km JPN4th Trainic world Chichibu Trail Run 50km 6:51:06 h17
2015
20.09 153km JPN18th Karisakatoge beyond Chichibu Run 20:47:03 h22
06.09 49.6km JPN4th Trainic world Ogose-Tokigawa Trail Run 50km 6:51:58 h31
06.06 60km JPN3rd Tokyo Shibamata 60 km 7:13:13 h405
2013
01.06 100km JPN1st Tokyo Shibamata 100 km 11:29:22 h329