Wataru (佐藤航) Sato
ID 526981
Born : 1978 Cat. M45 Ultrarunner since 2014 JPN
45
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
7,3%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 1 184; Σ finishers = 16 273. 1 184 / 16 273 × 100 = 7.28%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races3 508 km
> 100 km9
> 160 km3
Longest race167,0 km
6th Ultra-Trail Mt. Fuji (UTMF) — 26/4/2019

Km per year (ultra races)

638
9 races
2022
602
7 races
2023
302
5 races
2024
365
5 races
2025
111
2 races
2026

Race types (share of distance)

Road23,7%
Trail76,3%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 311
🏅 Top 3 M11
Longest winning streak2
Current streak0

Records

50 km4h46'50100 km7h42'27100 mi28h05'54

HISTORY

45 race(s)
DateRacePerf.Rk
2026
23.05 60km JPN5th Tokyo Grand Trail - 60km 9:15:05 h5
18.01 51km JPN1st Jungle Guruguru ZERO 6:17:31 h1 🏆
2025
30.11 50km JPN12th Trainic world Soto-Chichibu Trail Run 50km 5:56:12 h3 🥉
05.10 51.4km JPN13th Trainic world Ogose-Tokigawa Trail Run 50km 6:18:15 h5
22.08 101km JPN12th World Cultural Heritage "Fuji" Foot Race 10:26:54 h5
11.05 51km JPN6th FunTrails Round Minano 5:49:23 h6
01.03 112km JPN1st Onagawa 100 trails - 112km 17:22:29 h5
2024
01.12 50km JPN11th Trainic world Soto-Chichibu Trail Run 50km 5:58:53 h2 🥈
06.10 51.4km JPN12th Trainic world Ogose-Tokigawa Trail Run 50km 6:28:33 h3 🥉
23.08 101km JPN11th World Cultural Heritage "Fuji" Foot Race 12:03:30 h14
25.05 50km JPN3rd Tokyo Grand Trail - 50km 10:04:28 h11
28.04 50km JPN17th Ishioka Trail Run 6:52:41 h66
2023
03.12 51.4km JPN11th Trainic world Ogose-Tokigawa Trail Run 50km 6:28:51 h5
05.11 50km JPN7th Koshu Alps Lily Route Challenge 8:21:40 h10
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 9:46:54 h53
01.07 8h JPN29th 8-Hour Endurance Race Tokorozawa 68.600 km24
20.05 100mi JPN8th Trainic World 100 Mile in Sai-No-Kuni 32:38:37 h43
12.03 100km JPN5th Ibaraki 100k Ultra Marathon 8:55:10 h15
28.01 100km JPN2nd Nara Ishibutai 100 19:27:52 h1 🏆
2022
04.12 52km JPN8th Kumano Old Trails 6:09:50 h5
06.11 50km JPN9th Nakanoto Treasure Trail Run Festival 4:46:50 h2 🥈
30.10 49.6km JPN10th Trainic world Ogose-Tokigawa Trail Run 50km 5:27:53 h1 🏆
02.10 52km JPN9th Trainic world Soto-Chichibu Trail Run 50km 5:58:33 h1 🏆
21.08 50km JPN3rd OSJ Mahirusanchi Trail 50K 6:53:28 h7
16.07 106.5km JPN14th OSJ Ontake 100km Ultra Trail 10:08:26 h8
18.06 78km JPN7th OSJ Yamanaka Onsen Trail Run 12:53:04 h13
13.03 100km JPN4th Ibaraki 100k Ultra Marathon 7:42:27 h4
29.01 100km JPN1st Nara Ishibutai 100 21:52:54 h25
2021
06.11 100km JPN1st OSJ Kami 100 14:08:45 h4
2020
10.10 100mi JPN6th OSJ Koumi 100 28:05:54 h8
2019
26.04 167km JPN6th Ultra-Trail Mt. Fuji 26:01:44 h29
24.03 100km JPN1st Ibaraki 100k Ultra Marathon 8:11:36 h8
2018
17.11 106km JPN4th FunTrails100K Round 17:33:22 h16
09.09 51.4km JPN8th Hakuba Int. Trail Run 6:03:46 h35
08.07 49.6km JPN7th Trainic world Ogose-Tokigawa Trail Run 50km 7:53:10 h73
19.05 106km JPN3rd Trainic World 100 km in Sai-No-Kuni 17:57:42 h2 🥈
28.04 92km JPN5th Shizuoka to Yamanashi 13:12:38 h30
2017
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 11:19:00 h109
03.09 49.6km JPN6th Trainic world Ogose-Tokigawa Trail Run 50km 5:52:04 h2 🥈
25.06 72.7km JPN4. Spatrail - Shima to Kusatsu 8:26:07 h17
2016
19.11 52km JPN2nd FunTrails50K Two Lakes&Green line 5:46:50 h6
12.06 50km JPN3rd Trainic world Hanno-Ogose Trail Run 50km 6:54:36 h2 🥈
2015
06.06 60km JPN3rd Tokyo Shibamata 60 km 7:21:55 h459
2014
28.09 100km JPN24. Akita Nairiku 100km Marathon 9:10:12 h41
20.04 100km JPN24th Fuji 5 Lakes 100 km Challenge 9:17:41 h45