Tsuyoshi (中村強) Nakamura
Born : 1979 Cat. M45 Ultrarunner since 2011 JPN
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
2,7%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 573; Σ finishers = 21 124. 573 / 21 124 × 100 = 2.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 343 km
Longest race100,0 km

Km per year (ultra races)

78
1 race
2022
152
2 races
2023
2024
2025
60
1 race
2026

Race types (share of distance)

Road92,7%
Trail7,3%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M3
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2026
11.04 60km JPN21st Toda Saiko 60 km 6:03:31 h30
2023
02.07 8h JPN29th 8-Hour Endurance Race Tokorozawa - 3 tai 73.500 km9
04.06 78km JPN30. Ultramarathon Okumusashi 7:07:42 h34
2022
05.06 78km JPN29. Ultramarathon Okumusashi 7:07:35 h58
2021
04.07 8h JPN27th 8-Hour Endurance Race Tokorozawa 93.100 km10
2020
22.08 63.7km JPN1st Toda Aya Lake Ultra Marathon 5:17:55 h3 🥉
05.07 8h JPN26th 8-Hour Endurance Race Tokorozawa 98.000 km1 🏆
2019
02.06 78km JPN26. Ultramarathon Okumusashi 6:47:46 h42
2018
03.06 78km JPN25. Ultramarathon Okumusashi 7:19:31 h65
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 8:49:28 h15
2017
02.07 8h JPN23th 8-Hour Endurance Race Tokorozawa - 3 tai 77.904 km7
04.06 78km JPN24. Ultramarathon Okumusashi 7:05:30 h71
2016
05.06 78km JPN23. Ultramarathon Okumusashi 6:38:56 h52
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 8:09:58 h11
2015
27.09 100km JPN25. Akita Nairiku 100km Marathon 8:09:38 h10
22.06 77km JPN22. Ultramarathon Okumusashi 6:27:59 h26
17.05 71km JPN21st Yatsugatake Nobeyama 71 km 5:41:52 h3 🥉
2014
28.09 100km JPN24. Akita Nairiku 100km Marathon 8:10:13 h11
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 8:38:46 h8
12.04 70km JPN9th Toda Saiko 70 km 5:03:19 h2 🥈
2013
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 8:27:30 h59
11.05 6h JPNEnteRun 6 hour race Spring 50.600 km38
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 8:51:50 h5
13.04 70km JPN8th Toda Saiko 70 km 5:17:10 h2 🥈
2012
08.09 100km JPN7th Bandai Highlands Inawashiro Lake - 100 km 8:15:18 h1 🏆
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 8:32:53 h6
2011
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 8:48:45 h16
09.04 70km JPN6th Toda Saiko 70 km 5:34:36 h6