Kensuke (中井健介) Nakai
Born : 1974 Cat. M50 Ultrarunner since 2011 JPN
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
3
Countries visited ?ANDAndorraFRAFranceJPNJapan
10,7%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 1 823; Σ finishers = 16 989. 1 823 / 16 989 × 100 = 10.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 821 km
> 100 km13
> 160 km4
Longest race170,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road43,4%
Trail56,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

HISTORY

27 race(s)
DateRacePerf.Rk
2018
06.07 170km ANDAndorra Ultra Trail - Ronda dels cims 170 km 2d 00:32:03 h69
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 9:56:01 h73
2016
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 42:09:06 h810
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 10:44:00 h24
12.06 45.4km JPN9th Skyline Trail Sugadaira 5:36:37 h31
24.04 70km JPN2nd Okumikawa Power Trail 9:34:07 h61
26.03 112km JPN14th Mt. Rocco Cannonball Run - 112 km Power 13:58:00 h7
2015
17.10 112km JPN13th Mt. Rocco Cannonball Run - 112 km Power 13:10:00 h2 🥈
22.09 110km JPN7th Shinetsu Five Mountains Trail 110km 14:53:10 h60
18.07 100mi JPN8th OSJ Ontake 100 Mile Ultra Trail 21:48:39 h20
2014
25.10 112km JPN11th Mt. Rocco Cannonball Run - 112 km Power 11:59:00 h1 🏆
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 9:50:01 h89
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 21:36:42 h47
18.05 77km JPNSaba Highway Ultramarathon 7:56:29 h20
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 32:13:24 h122
2013
26.10 112km JPN9th Mt. Rocco Cannonball Run - 112 km Power 12:29:00 h2 🥈
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 13:52:35 h27
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 9:18:00 h27
19.05 76km JPNSaba Highway Ultramarathon 7:13:31 h9
26.04 84km JPN2nd Shizuoka to Yamanashi 12:06:33 h18
23.03 112km JPN8th Mt. Rocco Cannonball Run - 112 km Power 13:28:45 h5
10.03 72km JPN1st Izu Trail Journey 8:33:51 h45
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 11:21:44 h194
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 9:54:30 h16
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 10:04:55 h11
2011
18.09 100km JPN11th Tango 100 km Ultramarathon 9:18:20 h21
22.05 100km JPN3rd 100 km Ultra Maranic Osaka 9:52:00 h39