Kazunobu (多田数進) Tada
Born : 1978 Cat. M45 Ultrarunner since 2010 JPN
34
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
1
Countries visited ?JPNJapan
18,0%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 2 020; Σ finishers = 11 248. 2 020 / 11 248 × 100 = 17.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races3 128 km
> 100 km13
> 160 km4
> 24h1
Longest race160,9 km

Km per year (ultra races)

235
3 races
2022
67
1 race
2023
109
1 race
2024
193
2 races
2025
2026

Race types (share of distance)

Road10,0%
Trail86,4%
Elim.3,6%

HISTORY

34 race(s)
DateRacePerf.Rk
2025
01.11 80km JPN5th Manno Mountain Madness 2025 13:45:53 h4
14.09 112.7km JPN17th Shinetsu Five Mountains Trail 110km 17:41:48 h59
2024
15.09 109km JPN16th Shinetsu Five Mountains Trail 110km 17:56:42 h339
2023
22.10 67km JPN7th Forestrail Shinjo-Hiruzen 10:44:56 h26
2022
05.11 100km JPN2nd OSJ Kami 100 17:18:58 h20
18.06 78km JPN7th OSJ Yamanaka Onsen Trail Run 14:11:44 h33
05.06 57km JPN4th Nagi Peaks Tough Trail Challenge 10:06:17 h49
2021
20.11 Backyard Ultra JPN2nd Last Samurai Standing Backyard Ultra - Kyoto 114.002 km (17h)8
2018
20.10 73km JPN9th OSJ Hyonosen Mountains Trail Race 9:56:33 h20
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 28:15:27 h94
03.06 48km JPN1st Nagi Peaks Tough Trail Challenge 7:59:22 h11
2017
07.10 100mi JPN4th OSJ Koumi 100 33:52:29 h87
01.07 80km JPN7th Utsukushigahara 80 km Trail Run 11:18:26 h218
13.05 108.7km JPN1st Aso Round Trail 18:40:53 h15
2016
29.05 58km JPN1st Osorakan-Trail 9:53:49 h30
2015
02.08 74km JPN1st OSJ Yamanaka Onsen Trail Run 12:19:37 h14
12.04 63km JPN1st Okumikawa Power Trail 9:38:12 h37
2014
19.10 73km JPN5th OSJ Hyonosen Mountains Trail Race 10:08:33 h48
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 19:41:17 h24
07.09 50km JPN7th OSJ Adatara Trail 50K 8:02:41 h27
19.07 100km JPN7th OSJ Ontake 100km Ultra Trail 10:45:05 h17
31.05 50km JPN6th OSJ Okukuji Trail 50k 10:24:23 h36
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 30:40:55 h95
2013
20.10 71km JPN4th OSJ Hyonosen Mountains Trail Race 9:59:11 h28
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 15:01:57 h49
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 10:39:10 h107
26.04 100mi JPN2nd Ultra-Trail Mount Fuji 29:45:54 h96
23.03 112km JPN8th Mt. Rocco Cannonball Run - 112 km Power 14:35:41 h14
2012
21.10 100km JPN18th River Shimanto 100km 10:31:17 h146
16.09 110km JPN4th Shinetsu Five Mountains Trail 110km 16:13:27 h65
26.05 53km JPNTsurugi Naka Trail Running Race 5:55:24 h11
2011
24.09 110km JPN3rd Shinetsu Five Mountains Trail 110km 17:47:21 h128
14.05 53km JPNTsurugi Naka Trail Running Race 5:29:49 h19
2010
03.10 50km JPN4th Madarao Forest Trails 50km 6:31:46 h80