Koichi (高橋浩一) Takahashi
ID 214327
Born : 1970 Cat. M55 Ultrarunner since 2009 JPN
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
13,2%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 2 324; Σ finishers = 17 603. 2 324 / 17 603 × 100 = 13.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races5 487 km
> 100 km19
> 160 km13
> 200 km7
> 24h12
Longest race247,5 km
15th Jingu Gaien 24 Hour Challenge — 11/3/2023

Km per year (ultra races)

367
4 races
2022
736
4 races
2023
431
2 races
2024
341
3 races
2025
62
1 race
2026

Race types (share of distance)

Road89,8%
Trail10,2%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M5
Longest winning streak1
Current streak0

Records

100 km8h53'21100 mi24h26'0912 h50,00 km24 h247,46 km

HISTORY

45 race(s) · 4 split(s) nested
DateRacePerf.Rk
2026
01.02 62km JPN4. Minuma Challenge 60 7:11:38 h42
2025
21.06 24h JPN20th Green Charity Marathon Tokyo - Hard Run 24H 99.500 km61
08.03 24h JPN16th Jingu Gaien 24 Hour Challenge 179.147 km39
26.01 62km JPN3. Minuma Challenge 60 6:01:49 h4
2024
21.05 24h JPN3rd Hirosaki 24h Ultra Run 231.492 km7
07.01 200km JPN4th Japan Trophy 200 25:58:11 h14
2023
18.11 130km JPN1st Mito Kaido Journey run 19:45:56 h30
17.06 159km JPN4th Nikko Sennin Concentric Highway Journey Run 24:26:09 h6
11.03 24h JPN15th Jingu Gaien 24 Hour Challenge 247.460 km5
08.01 200km JPN3rd Japan Trophy 200 23:41:57 h11
2022
20.11 63km JPN1. Minuma Challenge 60 5:22:31 h1 🏆
02.10 45km JPN9th Trainic world Soto-Chichibu Trail Run 45km 6:01:47 h11
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 58.800 km104
09.01 200km JPN2nd Japan Trophy 200 19:56:00 h6
2021
17.07 24h JPN1st Japan Trophy 24h 160.000 km38
04.07 8h JPN27th 8-Hour Endurance Race Tokorozawa 88.200 km24
10.01 200km JPN1st Japan Trophy 200 20:04:00 h4
2019
29.09 45km JPN7th Trainic world Soto-Chichibu Trail Run 45km 5:50:40 h11
25.08 48km JPN6th Tsukuba Renjyo 48 km Road & Trail Run 7:30:08 h154
29.06 8h JPN25th 8-Hour Endurance Race Tokorozawa 88.200 km14
2018
02.06 12h JPN17. Green Charity Marathon Tokyo - Night Run 12H 50.000 km20
19.05 106km JPN3rd Trainic World 100 km in Sai-No-Kuni 19:26:41 h12
22.04 71km JPN28th Fuji 5 Lakes 71 km Challenge 9:55:19 h468
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 243.051 km2 🥈
10.09 51.4km JPN7th Hakuba Int. Trail Run 5:33:03 h21
10.06 24h JPN16. Green Charity Marathon Tokyo - Hard Run 24H 162.890 km14
20.05 106km JPN2nd Trainic World 100 km in Sai-No-Kuni 22:09:58 h23
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 9:15:50 h46
2016
17.12 24h JPN11th Jingu Gaien 24 Hour Challenge 226.669 km14
11.09 53km JPN6th Hakuba Int. Trail Run 5:34:55 h12
18.06 24h JPN15. Green Charity Marathon Tokyo - Hard Run 24H 205.492 km2 🥈
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 8:53:21 h27
2015
19.12 24h JPN10th Jingu Gaien 24 Hour Challenge 205.555 km19
13.09 53km JPN5th Hakuba Int. Trail Run 5:52:32 h16
06.06 100km JPN3rd Tokyo Shibamata 100 km 8:55:53 h33
19.04 100km JPN25th Fuji 5 Lakes 100 km Challenge 10:29:19 h179
2014
14.09 53km JPN4th Hakuba Int. Trail Run 6:32:41 h32
21.06 24h JPN13. Tokyo Challenge 24 hours 207.020 km3 🥉
01.06 100km JPN2nd Tokyo Shibamata 100 km 9:11:58 h11
20.04 100km JPN24th Fuji 5 Lakes 100 km Challenge 9:30:38 h69
2013
15.06 24h JPN12. Tokyo Challenge 24 hours 126.170 km46
2012
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 9:55:19 h96
2011
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 10:49:52 h156
2010
25.04 100km JPN20th Fuji 5 Lakes 100 km Challenge 11:37:37 h221
2009
26.04 100km JPN19th Fuji 5 Lakes 100 km Challenge 12:19:26 h241