Takehiro (笠原竹博) Kasahara
Ultrarunner since 2013 JPN
1
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
7
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
34,8%
Rank quotient ?This runner's calculation uses 1 eligible race(s): Σ(rank − 1) = 55; Σ finishers = 158. 55 / 158 × 100 = 34.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed1
Km — ultra races60 km
Longest race60,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

1 race(s)
DateRacePerf.Rk
2013
20.10 60km JPN2nd Noto Peninsula 60 km Ultra Marathon 7:08:54 h56