Kotaro (山村浩太郎) Yamamura
Born : 1966 Cat. M60 Ultrarunner since 2010 JPN
57
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
77
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
27,6%
Rank quotient ?This runner's calculation uses 59 eligible race(s): Σ(rank − 1) = 5 748; Σ finishers = 20 862. 5 748 / 20 862 × 100 = 27.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60
Km — ultra races8 885 km
> 100 km28
> 160 km19
> 200 km16
> 24h4
Longest race572,0 km

Km per year (ultra races)

78
1 race
2022
278
2 races
2023
656
5 races
2024
392
3 races
2025
60
1 race
2026

Race types (share of distance)

Road97,7%
Trail1,7%
Stage0,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 34
🏅 Top 3 M4
Longest winning streak0
Current streak0

HISTORY

60 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
11.04 60km JPN21st Toda Saiko 60 km 6:12:25 h37
2025
19.10 70km JPN32. Ultramarathon Okumusashi 8:02:55 h127
03.05 251km JPN20th River Road Foot Race 251 km 2d 03:14:54 h30
12.04 71km JPN20th Toda Saiko 70 km 6:56:03 h58
2024
20.10 70km JPN31. Ultramarathon Okumusashi 7:21:37 h94
29.09 64km JPN11th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 7:29:26 h15
03.05 251km JPN19th River Road Foot Race 251 km 47:21:06 h24
13.04 71km JPN19th Toda Saiko 70 km 7:22:16 h46
09.03 200km JPN14th Little Edo Oedo 200k 33:47:16 h115
2023
04.06 78km JPN30. Ultramarathon Okumusashi 9:56:28 h413
11.03 200km JPN13th Little Edo Oedo 200k 33:29:35 h138
2022
05.06 78km JPN29. Ultramarathon Okumusashi 9:17:40 h387
2019
17.03 56km JPN7th Arakawa Riverside Journey Stage Race - Stage 2 7:30:35 h70
23.02 233km JPN9th Little Edo Oedo 230k 34:19:00 h22
2018
10.11 24h JPN13th Jingu Gaien 24 Hour Challenge 173.129 km65
15.09 122km JPN1st Utsukushima Fukushima Journey Run 122K 16:30:48 h5
21.08 521km JPNAcross Honshu R8 Foot Race 7d 14:40:00 h4
03.06 78km JPN25. Ultramarathon Okumusashi 8:09:20 h171
07.05 572km JPNAcross Honshu R9 Foot Race 8d 09:15:00 h3 🥉
30.04 514km JPN14th River Road Foot Race 514 km 5d 04:59:07 h50
14.04 70km JPN13th Toda Saiko 70 km 8:53:17 h550
03.03 204km JPN8th Little Edo Oedo 200k 30:27:39 h67
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 206.228 km25
03.09 49.6km JPN6th Trainic world Ogose-Tokigawa Trail Run 50km 8:15:40 h116
20.08 97km JPN5th World Cultural Heritage "Fuji" Foot Race 13:42:00 h63
04.06 78km JPN24. Ultramarathon Okumusashi 7:59:39 h204
03.05 254km JPN13th River Road Foot Race 254 km 2d 00:02:33 h25
08.04 70km JPN12th Toda Saiko 70 km 6:56:13 h154
2016
17.12 24h JPN11th Jingu Gaien 24 Hour Challenge 138.926 km109
18.09 144km JPN19th Karisakatoge beyond Chichibu Run 23:34:45 h85
2015
28.02 203km JPN5th Little Edo Oedo 200k 25:27:00 h13
2014
08.11 24h JPN9th Jingu Gaien 24 Hour Challenge 211.651 km16
14.09 142km JPN17th Karisakatoge beyond Chichibu Run 17:18:34 h16
27.07 77km JPN21. Ultramarathon Okumusashi 7:41:36 h67
06.07 8h JPN20th 8-Hour Endurance Race Tokorozawa - 3 tai 77.904 km10
03.05 255km JPN10th River Road Foot Race 255 km 37:08:04 h2 🥈
12.04 70km JPN9th Toda Saiko 70 km 5:59:21 h13
01.03 112km JPN4th Oedo Night run 112k 18:25:19 h70
2013
15.09 142km JPN16th Karisakatoge beyond Chichibu Run 18:32:22 h19
28.07 77km JPN20. Ultramarathon Okumusashi 7:14:42 h80
07.07 8h JPN19th 8-Hour Endurance Race Tokorozawa - 3 tai 68.166 km20
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 11:43:10 h231
20.04 430km JPNAcross Honshu R7 Foot Race 5d 16:25:00 h3 🥉
13.04 70km JPN8th Toda Saiko 70 km 7:54:58 h187
02.03 203km JPN3rd Little Edo Oedo 200k 28:42:37 h24
2012
09.12 6h JPN1st Coedo Kawagoe 6 Hours Run 48.930 km29
16.09 143km JPN15th Karisakatoge beyond Chichibu Run 21:14:58 h44
05.08 77km JPN19. Ultramarathon Okumusashi 7:40:57 h102
03.05 255km JPN8th River Road Foot Race 255 km 41:46:45 h2 🥈
07.04 70km JPN7th Toda Saiko 70 km 6:50:27 h38
03.03 203km JPN2nd Little Edo Oedo 200k 29:21:18 h28
2011
18.09 143km JPN14th Karisakatoge beyond Chichibu Run 22:19:52 h57
07.08 77km JPN18. Ultramarathon Okumusashi 7:53:13 h143
10.07 8h JPN17th 8-Hour Endurance Race Tokorozawa - 3 tai 68.166 km10
21.05 12h JPN1st 12 hour Tokorozawa 87.555 km31
30.04 112km JPN21st Fuji 5 Lakes 112 km Challenge 13:41:24 h251
09.04 70km JPN6th Toda Saiko 70 km 7:18:55 h87
2010
09.10 100km JPN8th Echigo Kubikino 100km Ultramarathon 11:04:51 h246
01.08 77km JPN17. Ultramarathon Okumusashi 10:31:02 h588
10.04 70km JPN5th Toda Saiko 70 km 8:35:45 h178