Fuyuhiko (佐藤冬彦) Sato
Born : 1977 Cat. M45 Ultrarunner since 2012 JPN
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
5
Countries visited ?FRAFranceHKGHong KongITAItalyJPNJapanNZLNew Zealand
22,5%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 3 375; Σ finishers = 14 982. 3 375 / 14 982 × 100 = 22.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 716 km
> 100 km12
> 160 km3
Longest race170,0 km

Km per year (ultra races)

101
1 race
2022
2023
50
1 race
2024
100
1 race
2025
254
2 races
2026

Race types (share of distance)

Trail100,0%

HISTORY

27 race(s)
DateRacePerf.Rk
2026
24.08 153km ITA16ème Sur les Traces des Ducs de Savoie 38:11:03 h394
06.06 100.8km JPN6th Okushinano 100 13:52:16 h51
2025
15.11 100km JPN11th FunTrails100K Round 24:39:50 h122
2024
01.12 50km JPN11th Trainic world Soto-Chichibu Trail Run 50km 8:16:10 h61
2022
11.06 100.8km JPN2nd Okushinano 100 15:23:06 h94
2019
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 27:48:27 h90
2018
27.04 170km JPN5th Ultra-Trail Mt. Fuji 36:55:39 h277
2017
30.12 162km HKG3rd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 38:38:00 h103
25.08 120km FRAGrand Raid des Pyrénées - Tour des Cirques 29:03:23 h98
2016
19.11 105km JPN2nd FunTrails100K Round 22:21:41 h90
18.09 110km JPN8th Shinetsu Five Mountains Trail 110km 18:54:47 h305
2015
22.09 110km JPN7th Shinetsu Five Mountains Trail 110km 13:24:51 h26
28.06 72.7km JPN2. Spatrail - Shima to Kusatsu 8:50:12 h28
15.03 72km JPN2nd Izu Trail Journey 8:54:45 h54
07.02 100km NZL7th Tarawera 100 km Ultramarathon 10:47:59 h45
2014
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 38:54:03 h556
20.07 65km JPN5th Nozawa Onsen 4100D Mountain Trail 9:03:06 h32
28.06 100km JPNFukushima-Nasu Long Trail 16:43:31 h17
15.06 81.4km JPN1. Spatrail - Shima to Kusatsu 9:49:41 h24
2013
14.12 100km HKG1st The North Face 100 Hong Kong 19:53:06 h75
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 14:00:57 h29
13.07 100km JPN6th OSJ Ontake 100km Ultra Trail 12:00:49 h46
26.04 84km JPN2nd Shizuoka to Yamanashi 13:53:39 h64
10.03 72km JPN1st Izu Trail Journey 11:01:51 h408
2012
04.11 45km JPN4th Shinshu-Togakushi Trail Run Race 7:02:39 h73
28.10 71km JPN3rd OSJ Hyonosen Mountains Trail Race 12:17:44 h81
07.10 50km JPN6th Madarao Forest Trails 50km 7:02:52 h159