Ken (宗形賢) Munakata
Born : 1979 Cat. M45 Ultrarunner since 2011 JPN
43
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
2
Countries visited ?JPNJapanTPETaiwan
49,7%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 17 919; Σ finishers = 36 046. 17 919 / 36 046 × 100 = 49.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43
Km — ultra races3 511 km
> 100 km7
> 160 km1
Longest race167,0 km

Km per year (ultra races)

70
1 race
2022
317
3 races
2023
45
1 race
2024
100
1 race
2025
70
1 race
2026

Race types (share of distance)

Road27,1%
Trail72,9%

HISTORY

43 race(s)
DateRacePerf.Rk
2026
25.04 70km JPN5th KAI 70k 14:49:57 h538
2025
17.05 100km JPN10th Trainic World 100 km in Sai-No-Kuni 28:18:56 h191
2024
01.12 45km JPN11th Trainic world Soto-Chichibu Trail Run 45km 7:42:22 h49
2023
10.12 70km JPN10th Izu Trail Journey 11:15:44 h550
23.09 80km JPN9th SkyViewTrail Memorial Cup 16:06:38 h118
21.04 167km JPN8th Ultra-Trail Mt. Fuji 42:08:40 h1324
2022
11.12 70km JPN9th Izu Trail Journey 11:05:35 h564
2021
12.12 69.1km JPN8th Izu Trail Journey 10:49:45 h533
27.02 91km JPN11th Little Edo 91k 11:45:41 h15
2020
13.12 66km JPN7th Izu Trail Journey 11:08:37 h634
2019
30.11 75km TPE4th Formosa Trail 75km 14:55:21 h51
21.09 75km JPN6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup 16:14:19 h162
16.06 48.3km JPN1st FunTrails Round Minano 10:04:53 h136
23.02 113km JPN9th Oedo Night run 113k 16:26:38 h43
2018
09.12 71.7km JPN5th Izu Trail Journey 12:36:35 h800
17.11 52km JPN4th FunTrails50K Two Lakes&Green line 9:18:18 h210
22.09 129km JPN5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 32:55:50 h372
03.06 78km JPN25. Ultramarathon Okumusashi 10:18:19 h784
28.04 92km JPN5th Shizuoka to Yamanashi 17:43:08 h230
2017
10.12 71.7km JPN4th Izu Trail Journey 11:44:34 h460
04.06 100km JPN5th Tokyo Shibamata 100 km 12:30:29 h777
2016
11.12 71.7km JPN3rd Izu Trail Journey 11:10:08 h350
19.11 52km JPN2nd FunTrails50K Two Lakes&Green line 8:48:37 h123
11.09 129km JPN3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 32:44:11 h292
05.06 78km JPN23. Ultramarathon Okumusashi 9:57:44 h867
2015
21.10 56km JPN1st FunTrails50K Two Lakes&Green line 10:06:02 h178
19.07 118km JPN2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup 29:25:37 h197
22.06 77km JPN22. Ultramarathon Okumusashi 9:17:24 h609
15.03 72km JPN2nd Izu Trail Journey 11:36:13 h436
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 15:10:12 h862
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 28:39:16 h247
27.07 77km JPN21. Ultramarathon Okumusashi 10:40:29 h643
2013
10.11 50km JPN5th Kanna Mountain Run 8:29:39 h53
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 15:05:22 h760
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 18:26:05 h195
28.07 77km JPN20. Ultramarathon Okumusashi 9:24:16 h527
26.04 84km JPN2nd Shizuoka to Yamanashi 17:44:50 h316
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 13:47:44 h683
10.03 72km JPN1st Izu Trail Journey 10:55:48 h378
2012
07.10 50km JPN6th Madarao Forest Trails 50km 7:06:44 h167
19.05 82km JPN1st Shizuoka to Yamanashi 23:26:23 h802
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 13:11:12 h701
2011
24.09 6h JPN14. Hiratsuka 6 hour race 58.820 km35