Masayuki (徳富正幸) Tokutomi
ID 660597
Born : 1974 Cat. M50 Ultrarunner since 2015 JPN
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
22,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 515; Σ finishers = 2 260. 515 / 2 260 × 100 = 22.79%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed13
Km — ultra races1 863 km
> 100 km8
> 160 km3
> 200 km1
> 24h1
Longest race582,0 km
Across Honshu R9 Foot Race — 18/4/2023

Km per year (ultra races)

330
2 races
2022
706
2 races
2023
2024
2025
2026

Race types (share of distance)

Road78,8%
Trail21,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km9h08'40100 km11h35'4624 h124,10 km

HISTORY

13 race(s)
DateRacePerf.Rk
2023
19.08 24h JPN23th 24-hour relay & solo marathon Kobe 124.100 km49
18.04 582km JPNAcross Honshu R9 Foot Race 6d 07:11:15 h13
2022
29.12 130km JPN3rd Kyoto Great Round 130 km 27:54:23 h42
15.10 200km JPN6th Santo Ultra Maranic - Santo Course 32:37:00 h4
2021
20.03 168km JPN24th Mt. Rocco Cannonball Run - 168 km Rainbow 27:48:00 h8
2019
03.11 47.1km JPN14th Kyoto Mount Chop 8:35:16 h20
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 11:35:46 h91
25.05 50km JPN5th Mt. Hiei Int. 50 km Trail Run 9:08:40 h96
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 17:19:29 h50
2018
20.10 112km JPN19th Mt. Rocco Cannonball Run - 112 km Power 19:09:30 h36
2017
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 17:35:00 h62
2016
23.10 56km JPN15th Mt. Rocco Cannonball Run - 56 km Speed 6:59:30 h28
2015
29.03 70km JPN1st Osaka Yodogawa 70 km Ultra Marathon 6:48:30 h29