Yuya (寺澤祐哉) Terasawa
ID 225511
Born : 1976 Cat. M50 Ultrarunner since 2010 JPN
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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
2
Countries visited ?FRAFranceJPNJapan
32,1%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 12 960; Σ finishers = 40 344. 12 960 / 40 344 × 100 = 32.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races4 082 km
> 100 km8
> 160 km5
> 200 km1
Longest race250,0 km
2nd Michinoku Tsugaru Journey Run 250K — 15/7/2017

Km per year (ultra races)

2022
2023
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Road62,5%
Trail34,8%
Stage2,7%

Records

100 km8h28'28100 mi21h09'44

HISTORY

38 race(s)
DateRacePerf.Rk
2026
28.06 100km JPN41. Lake Saroma 100 km Ultramarathon 11:31:51 h1178
2025
29.06 100km JPN40. Lake Saroma 100 km Ultramarathon 11:17:25 h694
2019
08.12 71.7km JPN6th Izu Trail Journey 9:19:23 h239
28.07 100km JPN9th North Okhotsk 100 km Marathon 10:54:41 h36
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 12:26:02 h1633
2018
09.12 71.7km JPN5th Izu Trail Journey 8:18:42 h36
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 19:03:40 h932
22.07 100km JPN8th North Okhotsk 100 km Marathon 12:23:04 h141
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 11:41:58 h1177
27.04 170km JPN5th Ultra-Trail Mt. Fuji 39:43:13 h392
2017
10.12 71.7km JPN4th Izu Trail Journey 10:22:08 h208
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 13:11:59 h283
23.07 100km JPN7th North Okhotsk 100 km Marathon 8:56:11 h5
15.07 250km JPN2nd Michinoku Tsugaru Journey Run 250K 40:19:22 h11
11.06 100km JPN13th Iwate Ginga 100km Marathon Challenge 8:56:15 h33
2016
11.12 71.7km JPN3rd Izu Trail Journey 8:11:25 h16
31.07 100km JPN6th North Okhotsk 100 km Marathon 11:41:29 h57
16.07 100mi JPN9th OSJ Ontake 100 Mile Ultra Trail 21:09:44 h15
12.06 100km JPN12th Iwate Ginga 100km Marathon Challenge 11:39:28 h292
2015
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 38:58:54 h572
26.07 100km JPN5th North Okhotsk 100 km Marathon 9:40:26 h23
14.06 100km JPN11th Iwate Ginga 100km Marathon Challenge 8:46:32 h25
2014
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 19:32:40 h20
27.07 100km JPN4th North Okhotsk 100 km Marathon 8:28:28 h7
29.06 100km JPN29. Lake Saroma 100 km Ultramarathon 12:47:32 h1476
2013
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 15:40:19 h66
11.08 100km JPN3rd North Okhotsk 100 km Marathon 11:12:32 h79
14.07 110km/2stages JPN1st Mt. Taisetsu Trail Journey 110 km Stage Race 15:17:02 h16
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 8:57:34 h115
09.06 100km JPN9th Iwate Ginga 100km Marathon Challenge 9:55:06 h99
26.04 100mi JPN2nd Ultra-Trail Mount Fuji 41:02:07 h409
2012
19.08 100km JPN2nd North Okhotsk 100 km Marathon 10:26:56 h40
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 12:26:57 h132
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 11:29:27 h946
10.06 100km JPN8th Iwate Ginga 100km Marathon Challenge 11:10:17 h197
2011
21.08 100km JPN1st North Okhotsk 100 km Marathon 9:51:47 h16
26.06 100km road race JPN26. Lake Saroma 100 km Ultramarathon 9:32:09 h197
2010
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 12:29:50 h1185