Toshihiro (鈴木俊博) Suzuki
ID 2012285
Born : 1976 Cat. M50 Ultrarunner since 2023 JPN
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
70,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 554; Σ finishers = 2 202. 1 554 / 2 202 × 100 = 70.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races685 km
> 100 km2
Longest race115,1 km
2nd Aso Volcano Trail — 11/5/2024

Km per year (ultra races)

2022
110
2 races
2023
165
2 races
2024
287
4 races
2025
123
2 races
2026

Race types (share of distance)

Road20,4%
Trail79,6%

Records

50 km8h39'43100 km25h56'42

HISTORY

10 race(s)
DateRacePerf.Rk
2026
06.06 53km JPN9th Mizukami Mountain Party 11:32:08 h100
18.04 70km JPN5th Atsumi Peninsula Ultra Nature Run - 70km 11:23:45 h294
2025
15.11 101km JPN4th Kumagawa Revival Trail 25:56:42 h100
10.08 50km JPN4th Yacchiro Dragon Trail 11:43:04 h121
20.07 66km JPN13th Kirishima Ebino-kougen Extreme Trail 11:57:51 h152
13.04 70km JPN4th Atsumi Peninsula Ultra Nature Run - 70km 11:47:47 h263
2024
11.08 50km JPN3rd Yacchiro Dragon Trail 11:18:03 h67
11.05 115.1km JPN2nd Aso Volcano Trail 24:36:20 h278
2023
17.12 50km JPN7th Minami-aso caldera Trail 8:39:43 h78
28.05 60km JPN8th Akiyoshidai Karst Trail Run 9:11:45 h111