Takehiro (越塚岳広) Koshizuka
ID 181860
Born : 1976 Cat. M50 Ultrarunner since 2007 JPN
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
3
Countries visited ?HKGHong KongJPNJapanKORSouth Korea
17,0%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 4 044; Σ finishers = 23 807. 4 044 / 23 807 × 100 = 16.99%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races4 153 km
> 100 km11
> 160 km5
Longest race170,3 km
4th Ultra-Trail Mt. Fuji (UTMF) — 25/9/2015

Km per year (ultra races)

122
2 races
2022
219
3 races
2023
137
2 races
2024
80
1 race
2025
2026

Race types (share of distance)

Road2,4%
Trail95,7%
Stage1,9%

Records

50 km4h45'01100 km10h06'5750 mi10h08'20100 mi29h39'28

HISTORY

47 race(s)
DateRacePerf.Rk
2025
20.09 80km JPN11th SkyViewTrail Memorial Cup 13:03:10 h39
2024
22.12 67km JPN2nd Coast to Coast Boso hanto 9:32:30 h70
26.04 70km JPN3rd KAI 70k 10:56:41 h97
2023
17.12 70km JPN1st Coast to Coast Boso hanto 8:41:09 h52
23.09 80km JPN9th SkyViewTrail Memorial Cup 12:50:42 h21
22.04 69km JPN2nd KAI 69k 9:55:08 h47
2022
12.06 53km JPN4th Yuzawa Sky Extreme Trail 9:20:00 h35
23.04 69km JPN1st KAI 69k 14:27:45 h166
2019
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 30:57:56 h180
16.06 48.3km JPN1st FunTrails Round Minano 7:25:49 h19
16.03 80km JPN7th Arakawa Riverside Journey Stage Race - Stage 1 8:08:36 h2 🥈
2018
16.12 68km JPNCoast to Coast 70k Trail Run 7:09:42 h8
20.10 111km KOR6th Transjeju Int. Trail Run 100 18:02:17 h20
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 30:59:05 h169
28.04 92km JPN5th Shizuoka to Yamanashi 18:08:51 h265
2017
30.12 162km HKG3rd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 41:42:00 h156
19.11 47km JPN1st Koshu Alps Lily Route Challenge 6:21:32 h5
23.07 80km JPN5th Mt. Taisetsu Trail Journey 10:08:20 h17
2016
16.12 70km JPNCoast to Coast 70k Trail Run 7:22:50 h13
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 12:09:31 h76
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 7:19:36 h74
2015
20.12 60km JPNCoast to Coast Boso - Odan 60k 7:21:42 h12
21.11 104km JPN1st FunTrails100K Round 22:56:18 h91
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 10:42:12 h171
25.09 170.3km JPN4th Ultra-Trail Mt. Fuji 37:53:28 h225
06.09 49.6km JPN4th Trainic world Ogose-Tokigawa Trail Run 50km 6:27:44 h15
04.07 80km JPN5th Utsukushigahara 80 km Trail Run 12:25:21 h94
2014
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 42:00:23 h470
29.03 100km JPN10th Izu Oshima Ultra 100 km 10:06:57 h15
2013
14.12 100km HKG1st The North Face 100 Hong Kong 22:57:25 h128
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 14:49:18 h42
31.08 70km JPN3rd Utsukushigahara 70 km Trail Run 10:35:56 h26
26.04 84km JPN2nd Shizuoka to Yamanashi 11:08:37 h8
10.03 72km JPN1st Izu Trail Journey 8:47:31 h63
2012
03.11 100mi JPN1st OSJ Yatsugatake Super Trail 100 miles race 29:39:28 h114
18.05 156km JPN1st Ultra-Trail Mount Fuji 35:18:32 h145
12.02 50km JPN3rd OSJ Jungle Trail 50K Amami 4:51:59 h8
2011
02.10 50km JPN1st SkyView Ultra-Trail 6:39:01 h20
2010
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 10:58:56 h101
19.09 110km JPN2nd Shinetsu Five Mountains Trail 110km 19:12:20 h164
16.05 100km JPN16th Yatsugatake Nobeyama 100 km 10:37:17 h107
2009
11.10 71.5km JPN17th Hasetsune Cup - Japan Mountain Endurance Race 11:51:13 h215
21.09 100km JPN1st Shinetsu Five Mountains Trail 100km 18:52:42 h218
19.07 100km JPN2nd OSJ Ontake 100km Ultra Trail 12:10:28 h37
08.02 50km JPN1st OSJ Jungle Trail 50K Amami 4:45:01 h13
2008
20.07 100km JPN1st OSJ Ontake 100km Ultra Trail 12:35:47 h43
2007
07.10 50km JPN1st Madarao Forest Trails 50km 6:14:29 h16