Hiroki (片平大樹) Katahira
ID 155131
Born : 1975 Cat. M50 Ultrarunner since 2010 JPN
59
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
61
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
6,9%
Rank quotient ?This runner's calculation uses 60 eligible race(s): Σ(rank − 1) = 2 122; Σ finishers = 30 639. 2 122 / 30 639 × 100 = 6.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60
Km — ultra races6 041 km
> 100 km9
> 160 km2
Longest race160,9 km
3rd Ultra-Trail Mt. Fuji (UTMF) — 25/4/2014

Km per year (ultra races)

100
1 race
2022
400
4 races
2023
584
6 races
2024
300
3 races
2025
2026

Race types (share of distance)

Road70,9%
Trail29,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km8h59'38100 km8h00'1450 mi10h40'19100 mi24h00'46

HISTORY

60 race(s)
DateRacePerf.Rk
2025
28.09 100km JPN28th Muraoka 100 km Ultra Marathon 11:27:47 h80
20.07 99.5km JPN17th OSJ Ontake 100km Ultra Trail 13:53:25 h307
26.01 100km JPN35th Miyako 100 km Ultramarathon 11:08:04 h30
2024
20.10 100km JPN30th River Shimanto 100km 9:34:58 h110
29.09 100km JPN27th Muraoka 100 km Ultra Marathon 10:59:03 h33
14.07 60km JPN2nd Shin Daisetsuzan Trail Journey 10:21:06 h34
11.05 115.1km JPN2nd Aso Volcano Trail 18:45:59 h58
23.03 109km JPN2nd Hiroshima Wangan Trail Run 20:24:38 h61
21.01 100km JPN34th Miyako 100 km Ultramarathon 9:37:40 h17
2023
15.10 100km JPN29th River Shimanto 100km 9:36:35 h74
08.07 100km JPN1st Shiga Kogen 100 17:32:30 h41
18.06 100km JPN16. Okinoshima 100km Ultra Marathon 11:22:34 h37
22.01 100km JPN33th Miyako 100 km Ultramarathon 10:15:51 h23
2022
05.06 100km JPN1. OSJ Aizu Bandaisan Ultramarathon - 100 km 10:35:59 h47
2021
06.11 100km JPN1st OSJ Kami 100 17:54:07 h54
2020
20.09 127km JPN3rd Utsukushima Fukushima Journey Run 127K 14:07:52 h9
19.01 100km JPN30th Miyako 100 km Ultramarathon 8:49:52 h12
2019
27.10 73km JPN10th OSJ Hyonosen Mountains Trail Race 10:33:07 h19
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 11:11:42 h68
11.08 50km JPN1st OSJ Mahirusanchi Trail 50K 8:59:38 h61
28.07 100km JPN9th North Okhotsk 100 km Marathon 10:01:31 h12
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 8:47:57 h8
19.05 65km JPN4th Osorakan-Trail 9:53:40 h39
28.04 100km JPN21. Okukumano 100 km Ultramarathon 9:18:37 h22
21.04 118km JPN29th Fuji 5 Lakes 118 km Challenge 10:54:26 h16
20.01 100km JPN29th Miyako 100 km Ultramarathon 9:03:37 h9
2018
21.10 100km JPN24th River Shimanto 100km 9:08:41 h61
22.07 100km JPN8th North Okhotsk 100 km Marathon 10:03:10 h29
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 9:47:44 h49
22.04 100km JPN20. Okukumano 100 km Ultramarathon 9:37:13 h17
21.01 100km JPN28th Miyako 100 km Ultramarathon 10:45:57 h48
2017
24.09 120km JPN20th Muraoka 120 km Ultra Marathon 13:11:30 h73
23.07 100km JPN7th North Okhotsk 100 km Marathon 9:27:17 h10
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 10:57:59 h127
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 10:25:54 h11
2016
18.12 100km JPN1st Okinawa 100km Ultramarathon 8:57:43 h8
16.10 100km JPN22nd River Shimanto 100km 8:53:34 h51
02.10 100km JPN1st Iki 100 km Ultra Marathon 10:07:58 h11
25.09 100km JPN19th Muraoka 100 km Ultra Marathon 9:47:46 h8
11.09 100km JPN4th 100 km Ultramarathon Hakusan-Shirakawago 9:39:24 h20
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 9:49:42 h49
2015
26.07 80km JPN3rd Mt. Taisetsu Trail Journey 10:40:19 h22
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 9:07:08 h20
2014
28.09 100km JPN17th Muraoka 100 km Ultra Marathon 9:41:54 h17
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 21:08:02 h37
27.07 100km JPN4th North Okhotsk 100 km Marathon 8:00:14 h3 🥉
08.06 100km JPN10th Iwate Ginga 100km Marathon Challenge 8:55:22 h35
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 8:50:37 h13
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 28:04:06 h50
2013
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 9:00:09 h10
07.09 100km JPN8th Bandai Highlands Inawashiro Lake - 100 km 8:25:27 h4
11.08 100km JPN3rd North Okhotsk 100 km Marathon 8:19:05 h7
16.06 100km JPN8. Okinoshima 100km Ultra Marathon 9:00:22 h7
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 9:13:45 h16
2012
03.11 100mi JPN1st OSJ Yatsugatake Super Trail 100 miles race 24:00:46 h22
30.09 100km JPN15th Muraoka 100 km Ultra Marathon 8:59:57 h5
10.06 100km JPN1st Hida Takayama 100 km Ultramarathon 9:02:43 h12
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 9:03:07 h6
2011
25.09 100km JPN14th Muraoka 100 km Ultra Marathon 9:17:04 h7
2010
26.09 100km JPN13th Muraoka 100 km Ultra Marathon 11:10:36 h36