Kenichi (松永賢一) Matsunaga
ID 235386
Born : 1964 Cat. M60 Ultrarunner since 2006 JPN
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
21,8%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 4 453; Σ finishers = 20 408. 4 453 / 20 408 × 100 = 21.82%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 063 km
> 100 km4
> 160 km1
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025

Km per year (ultra races)

154
2 races
2022
144
2 races
2023
103
2 races
2024
167
1 race
2025
2026

Race types (share of distance)

Road26,0%
Trail74,0%

Records

50 km11h21'31100 km9h50'2650 mi12h54'326 h55,40 km

HISTORY

26 race(s)
DateRacePerf.Rk
2025
25.04 167km JPN10th Ultra-Trail Mt. Fuji 38:23:05 h590
2024
06.07 55km JPN2nd Shiga Kogen 55 8:10:06 h79
15.06 48km JPN3rd KTF Trail running race - Rockin Bear 7:10:10 h182
2023
15.10 75km JPN1st Mina no Tenku Ultra Marathon 8:30:03 h15
22.04 69km JPN2nd KAI 69k 11:01:57 h90
2022
18.09 109km JPN14th Shinetsu Five Mountains Trail 110km 19:11:40 h87
27.05 45km JPN1st Karuizawa Trail Running Race 6:49:36 h59
2019
08.12 71.7km JPN6th Izu Trail Journey 9:13:45 h222
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 9:52:22 h353
2018
09.12 71.7km JPN5th Izu Trail Journey 10:13:44 h226
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 9:50:26 h104
2017
26.03 100km JPN13th Izu Oshima Ultra 100 km 10:38:08 h18
2016
11.12 71.7km JPN3rd Izu Trail Journey 10:26:13 h207
11.09 129km JPN3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 28:34:16 h137
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 13:21:19 h172
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 12:27:23 h432
19.07 118km JPN2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup 29:10:16 h184
2014
30.08 63km JPN1st Shigakogen Extreme Trail 15:28:57 h122
05.07 80km JPN4th Utsukushigahara 80 km Trail Run 12:54:32 h79
31.05 50km JPN6th OSJ Okukuji Trail 50k 11:21:31 h66
2013
15.06 6h JPN12. Tokyo Challenge 6 hours 52.670 km37
26.04 84km JPN2nd Shizuoka to Yamanashi 15:33:39 h144
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 14:21:16 h630
16.06 6h JPN11. Tokyo Challenge 6 hours 53.720 km48
2011
11.06 6h JPN10. Tokyo Challenge 6 hours 55.397 km53
2006
08.10 71.5km JPN14th Hasetsune Cup - Japan Mountain Endurance Race 12:21:40 h143