Daisuke (中島大輔) Nakajima
Born : 1990 Cat. M35 Ultrarunner since 2015 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
16,5%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 5 026; Σ finishers = 30 445. 5 026 / 30 445 × 100 = 16.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 750 km
> 100 km7
> 160 km7
Longest race200,0 km

Km per year (ultra races)

592
5 races
2022
671
5 races
2023
309
3 races
2024
167
1 race
2025
71
1 race
2026

Race types (share of distance)

Road24,4%
Trail75,6%

HISTORY

29 race(s)
DateRacePerf.Rk
2026
14.06 71km JPN14th Hida Takayama 71 km Ultramarathon 6:56:38 h41
2025
25.04 167km JPN10th Ultra-Trail Mt. Fuji 33:56:57 h307
2024
08.12 70km JPN11th Izu Trail Journey 9:37:55 h196
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 13:33:31 h329
26.04 167km JPN9th Ultra-Trail Mt. Fuji 39:54:45 h748
2023
10.12 70km JPN10th Izu Trail Journey 9:15:17 h154
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 10:56:27 h133
16.09 162.6km JPN15th Shinetsu Five Mountains Trail 100 mile 30:43:39 h116
21.04 167km JPN8th Ultra-Trail Mt. Fuji 30:30:01 h198
11.03 200km JPN13th Little Edo Oedo 200k 28:41:38 h28
2022
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 10:49:14 h102
12.06 53km JPN4th Yuzawa Sky Extreme Trail 8:29:10 h25
22.05 100km JPN10th Tokyo Shibamata 100 km 9:34:49 h59
22.04 167km JPN7th Ultra-Trail Mt. Fuji 27:47:48 h173
12.03 200km JPN12th Little Edo Oedo 200k 28:51:46 h23
2021
12.12 69.1km JPN8th Izu Trail Journey 8:28:46 h84
2020
13.12 66km JPN7th Izu Trail Journey 10:03:30 h391
06.09 50km JPN13th OSJ Adatara Trail 50K 8:15:00 h75
2019
08.12 71.7km JPN6th Izu Trail Journey 8:29:50 h108
2018
09.12 71.7km JPN5th Izu Trail Journey 9:46:50 h169
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 13:50:20 h237
09.09 51.4km JPN8th Hakuba Int. Trail Run 7:18:27 h123
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 10:26:36 h172
2017
10.12 71.7km JPN4th Izu Trail Journey 10:47:17 h283
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 12:52:53 h253
10.09 50km JPN9th Shinshu-Togakushi Trail Run Race 6:52:55 h27
2016
11.12 71.7km JPN3rd Izu Trail Journey 10:08:39 h172
11.09 53km JPN6th Hakuba Int. Trail Run 7:10:30 h91
2015
15.03 72km JPN2nd Izu Trail Journey 10:35:45 h238