Yuki (番場雄樹) Bamba
Born : 1974 Cat. M50 Ultrarunner since 2012 JPN
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
59,6%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 10 111; Σ finishers = 16 961. 10 111 / 16 961 × 100 = 59.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 612 km
> 100 km7
> 160 km1
> 200 km1
Longest race206,0 km

Km per year (ultra races)

202
2 races
2022
399
3 races
2023
2024
281
3 races
2025
2026

Race types (share of distance)

Road52,2%
Trail42,8%
Stage5,0%

HISTORY

30 race(s) · 2 stage(s) nested
DateRacePerf.Rk
2025
01–02.11 130km/2stages JPN3rd Mito Kaido Journey run 19:15:26 h34
05.10 51.4km JPN13th Trainic world Ogose-Tokigawa Trail Run 50km 10:17:58 h185
12.04 100km JPN4th Yagurazawa Round Trip Pre-Tournament 18:42:52 h25
2023
18.11 130km JPN1st Mito Kaido Journey run 20:22:34 h45
20.05 109.2km JPN8th Trainic World 100 km in Sai-No-Kuni 28:15:55 h219
15.04 160km JPN2nd Yagurazawa Round Trip Pre-Tournament 29:08:51 h26
2022
15.10 150km JPN1st Yagurazawa Round Trip Pre-Tournament 28:42:55 h51
02.10 52km JPN9th Trainic world Soto-Chichibu Trail Run 50km 9:43:17 h123
2021
14.11 63km JPN0. Minuma Challenge 60 7:32:33 h31
2020
22.02 206km JPN10th Little Edo Oedo 205k 33:18:02 h115
2019
02.11 145km JPN1st Autumn leaves in Okumusashi / Chichibu Journey run 20:30:39 h39
29.09 53km JPN7th Trainic world Soto-Chichibu Trail Run 50km 9:21:55 h132
2018
14.04 70km JPN13th Toda Saiko 70 km 7:16:20 h181
2017
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 17:18:09 h904
24.09 100km JPN20th Jonaizaka 100 km Ultra Marathon 12:34:00 h38
03.09 49.6km JPN6th Trainic world Ogose-Tokigawa Trail Run 50km 8:33:18 h151
09.07 49.8km JPN5th Trainic world Chichibu Trail Run 50km 10:15:47 h139
2016
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 16:13:09 h827
16.07 100km JPN9th OSJ Ontake 100km Ultra Trail 13:05:18 h163
12.06 50km JPN3rd Trainic world Hanno-Ogose Trail Run 50km 10:15:41 h111
08.05 49.8km JPN4th Trainic world Chichibu Trail Run 50km 9:34:20 h208
09.04 70km JPN11th Toda Saiko 70 km 7:18:34 h128
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 18:05:51 h1460
06.09 49.6km JPN4th Trainic world Ogose-Tokigawa Trail Run 50km 8:50:15 h190
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 17:35:08 h1316
20.09 66km JPN1st SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 15:54:33 h421
05.07 80km JPN4th Utsukushigahara 80 km Trail Run 15:09:26 h236
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 22:16:36 h2018
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 13:17:12 h428
2012
07.04 70km JPN7th Toda Saiko 70 km 8:39:27 h197