Kosuke (原公輔) Hara
ID 172146
Born : 1981 Cat. M45 Ultrarunner since 2010 JPN
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
70
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
16,3%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 2 289; Σ finishers = 14 084. 2 289 / 14 084 × 100 = 16.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races6 219 km
> 100 km24
> 160 km12
> 200 km6
> 24h13
Longest race570,0 km
2nd Reiheishi Michi Kyoto to Nikko - 570 km — 29/4/2023

Km per year (ultra races)

1 212
5 races
2022
864
5 races
2023
2024
2025
2026

Race types (share of distance)

Road88,8%
Trail9,4%
Stage1,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

50 km4h48'14100 km9h55'41100 mi26h05'2824 h204,13 km

HISTORY

39 race(s) · 4 split(s) nested
DateRacePerf.Rk
2023
02.07 8h JPN29th 8-Hour Endurance Race Tokorozawa - 3 tai 58.800 km22
18.06 50km JPN16. Okinoshima 50km Ultra Marathon 4:48:14 h16
29.04 570km JPN2nd Reiheishi Michi Kyoto to Nikko - 570 km 7d 04:51:56 h7
11.03 24h JPN15th Jingu Gaien 24 Hour Challenge 135.462 km72
22.01 50km JPN33th Miyako 50 km Ultramarathon 5:13:40 h16
2022
29.10 230km JPN9th Setouchi Angya - 230 km 35:00:00 h9
30.07 24h JPN22th 24-hour relay & solo marathon Kobe 112.200 km56
19.06 100km JPN15. Okinoshima 100km Ultra Marathon 12:18:22 h62
28.04 570km JPN1st Reiheishi Michi Kyoto to Nikko - 570 km 7d 05:12:00 h15
12.03 200km JPN12th Little Edo Oedo 200k 32:19:04 h89
2020
20.09 127km JPN3rd Utsukushima Fukushima Journey Run 127K 16:10:50 h16
2019
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 12:27:32 h20
2018
21.10 60km JPN24th River Shimanto 60km 5:56:26 h51
21.01 50km JPN28th Miyako 50 km Ultramarathon 5:12:52 h17
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 120.534 km122
09.09 24h JPN20. Hiratsuka 24 hour race 131.480 km34
2016
17.12 24h JPN11th Jingu Gaien 24 Hour Challenge 147.224 km96
16.10 60km JPN22nd River Shimanto 60km 4:49:12 h12
2015
19.12 24h JPN10th Jingu Gaien 24 Hour Challenge 154.311 km71
18.10 100km JPN21st River Shimanto 100km 9:55:41 h118
25.09 170.3km JPN4th Ultra-Trail Mt. Fuji 35:38:45 h175
30.04 520km JPN11th River Road Foot Race 520 km 5d 01:31:19 h21
11.04 70km JPN10th Toda Saiko 70 km 6:23:22 h42
2014
08.11 24h JPN9th Jingu Gaien 24 Hour Challenge 120.535 km92
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 9:21:07 h49
13.09 24h JPN17. Hiratsuka 24 hour race 178.190 km7
27.07 77km JPN21. Ultramarathon Okumusashi 7:35:08 h52
21.06 24h JPN13. Tokyo Challenge 24 hours 74.720 km128
2013
09.11 24h JPN8th Jingu Gaien 24 Hour Challenge 204.125 km24
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 13:35:59 h21
07.09 100mi JPN2nd OSJ Yatsugatake Super Trail 100 miles race 26:05:28 h20
28.07 77km JPN20. Ultramarathon Okumusashi 7:38:37 h121
14.07 110km/2stages JPN1st Mt. Taisetsu Trail Journey 110 km Stage Race 13:03:24 h5
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 10:50:07 h572
30.04 520km JPN9th River Road Foot Race 520 km 3d 19:30:08 h1 🏆
10.03 72km JPN1st Izu Trail Journey 8:20:32 h37
2012
01.09 24h JPN15. Hiratsuka 24 hour race 160.890 km8
2011
24.09 24h JPN14. Hiratsuka 24 hour race 173.000 km8
2010
11.10 24h JPN13. Hiratsuka 24 hour race 120.700 km24