Tsutomu (田中勤) Tanaka
Born : 1964 Cat. M60 Ultrarunner since 2015 JPN
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
74,3%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 11 070; Σ finishers = 14 906. 11 070 / 14 906 × 100 = 74.27%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 006 km
> 100 km3
> 160 km1
Longest race167,0 km

Km per year (ultra races)

156
2 races
2022
419
5 races
2023
50
1 race
2024
190
2 races
2025
130
1 race
2026

Race types (share of distance)

Road3,9%
Trail87,8%
Stage8,3%

HISTORY

29 race(s)
DateRacePerf.Rk
2026
14.03 84km JPN14th Arakawa Riverside Journey - Stage 1 12:54:48 h111
15.02 46km JPN3rd Nagasaki Round Trail 10:16:50 h46
2025
20.12 60km JPN2nd Tengu 100 - 60km 10:53:00 h25
14.06 48km JPN4th KTF Trail running race - Rockin Bear 7:02:45 h281
15.03 82km JPN13th Arakawa Riverside Journey Stage Race - Stage 1 10:28:49 h25
2024
03.11 50km JPN8th Koshu Alps Lily Route Challenge 11:23:38 h58
2023
22.10 56km JPN29th Mt. Rocco Cannonball Run - 56 km Speed 10:47:00 h269
23.09 80km JPN9th SkyViewTrail Memorial Cup 16:15:30 h124
10.09 50km JPN12th Hakuba Int. Trail Run 8:37:34 h165
23.07 66km JPN11th Kirishima Ebino-kougen Extreme Trail 13:06:52 h281
21.04 167km JPN8th Ultra-Trail Mt. Fuji 43:12:19 h1546
2022
20.11 106km JPN8th FunTrails100K Round 29:57:36 h465
06.11 50km JPN9th Nakanoto Treasure Trail Run Festival 7:25:21 h99
2021
07.11 67km JPN5th Koshu Alps Haute Route Challenge 15:16:14 h219
23.07 65km JPN12th Nozawa Onsen 4100D Mountain Trail 12:19:54 h289
2019
07.04 70km JPN5th Okumikawa Power Trail 13:22:17 h529
2018
09.12 71.7km JPN5th Izu Trail Journey 12:29:39 h766
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 20:43:25 h1199
09.09 51.4km JPN8th Hakuba Int. Trail Run 8:05:25 h227
12.05 108.7km JPN2nd Aso Round Trail 28:21:39 h344
29.04 46km JPN11th Ishioka Trail Run 6:50:13 h58
2017
10.12 71.7km JPN4th Izu Trail Journey 12:42:14 h740
27.05 50km JPN9th OSJ Okukuji Trail 50k 13:23:29 h303
29.04 49km JPN10th Ishioka Trail Run 6:41:04 h109
2016
11.12 71.7km JPN3rd Izu Trail Journey 13:54:24 h1246
28.08 70km JPN3rd Tsukuba Renjyo 70 km Road & Trail Run 11:59:34 h219
05.06 78km JPN23. Ultramarathon Okumusashi 10:34:09 h1071
29.04 49km JPN9th Ishioka Trail Run 6:49:47 h115
2015
30.08 70km JPN2nd Tsukuba Renjyo 70 km Road & Trail Run 12:07:21 h304