Daisuke (伊藤大輔) Ito
ID 1300519
Ultrarunner since 2019 JPN
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
15
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 5 eligible race(s): Σ(rank − 1) = 861; Σ finishers = 1 220. 861 / 1 220 × 100 = 70.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5
Km — ultra races291 km
Longest race63,0 km
14th Tojinbo 62 km Ultramarathon — 6/6/2026

Km per year (ultra races)

52
1 race
2022
2023
62
1 race
2024
62
1 race
2025
63
1 race
2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

5 race(s)
DateRacePerf.Rk
2026
06.06 63km JPN14th Tojinbo 62 km Ultramarathon 9:54:23 h245
2025
31.05 62km JPN13th Tojinbo 62 km Ultramarathon 9:53:25 h256
2024
25.05 62km JPN12th Tojinbo 62 km Ultramarathon Early 9:53:43 h46
2022
28.05 52km JPN10th Tojinbo 52 km Ultramarathon 9:22:52 h190
2019
25.05 52km JPN8th Tojinbo 52 km Ultramarathon 9:03:40 h129