Shotaro (外池翔太郎) Toike
Born : 1988 Cat. M35 Ultrarunner since 2013 JPN
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
4,3%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 878; Σ finishers = 20 319. 878 / 20 319 × 100 = 4.32%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races3 019 km
> 100 km8
> 160 km3
> 24h1
Longest race160,9 km

Km per year (ultra races)

286
3 races
2022
100
1 race
2023
200
2 races
2024
162
2 races
2025
192
2 races
2026

Race types (share of distance)

Road48,7%
Trail42,2%
Stage9,1%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M3
🏅 Top 37
🏅 Top 3 M7
Longest winning streak1
Current streak0

HISTORY

30 race(s) · 4 stage(s) nested
DateRacePerf.Rk
2026
14.06 54km JPN4th Around Toki River 7:21:07 h3 🥉
14–15.03 138km/2stages JPN14th Arakawa Riverside Journey 13:11:47 h2 🥈
2025
20.12 100km JPN2nd Tengu 100 11:17:13 h2 🥈
25.05 62km JPN17th OSJ Okukuji Trail 60k 10:24:02 h45
2024
20.10 100km JPN30th River Shimanto 100km 7:55:40 h15
21.04 100km JPN34th Fuji 4 Lakes 100 km Challenge 7:45:34 h5
2023
15.10 100km JPN29th River Shimanto 100km 7:37:21 h5
2022
24.12 50km JPN1st Oi Ultra Trach Race 3:10:23 h9
02.10 100km JPN9th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 8:45:19 h2 🥈
21–22.03 136km/2stages JPN10th Arakawa Riverside Journey Stage Race 12:49:00 h1 🏆
2019
14.09 100mi JPN11th Shinetsu Five Mountains Trail 100 mile 23:19:20 h17
21.04 100km JPN29th Fuji 5 Lakes 100 km Challenge 7:53:59 h6
2018
10.11 24h JPN13th Jingu Gaien 24 Hour Challenge 160.271 km83
22.09 129km JPN5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 23:30:06 h38
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 9:30:17 h275
12.05 60km JPN3rd Tamagawa Ultra Marathon - 60 km 4:54:58 h1 🏆
2017
17.12 68km JPNCoast to Coast 70k Trail Run 6:29:27 h4
15.10 100km JPN23rd River Shimanto 100km 7:26:27 h5
15.07 100mi JPN10th OSJ Ontake 100 Mile Ultra Trail 18:23:15 h6
04.06 100km JPN5th Tokyo Shibamata 100 km 7:38:37 h3 🥉
23.04 70km JPN3rd Okumikawa Power Trail 9:05:41 h29
2016
16.12 70km JPNCoast to Coast 70k Trail Run 6:17:10 h4
16.10 100km JPN22nd River Shimanto 100km 7:42:52 h6
16.07 100km JPN9th OSJ Ontake 100km Ultra Trail 10:10:00 h9
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 8:03:28 h8
2015
19.07 118km JPN2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup 23:43:07 h52
15.03 72km JPN2nd Izu Trail Journey 9:13:32 h75
2013
20.10 100km JPN19th River Shimanto 100km 9:45:29 h100
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 15:42:11 h68
09.06 100km JPN9th Iwate Ginga 100km Marathon Challenge 9:02:16 h30