Tsutomu (岩崎勉) Iwasaki
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Born : 1967
Cat. M55 Ultrarunner since 2001
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
3
Countries visited ?
ChinaJapan
New Zealand
ChinaJapanNew Zealand18,6%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 4 381; Σ finishers = 23 583. 4 381 / 23 583 × 100 = 18.58%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed30
Km — ultra races3 516 km
> 100 km9
> 160 km6
> 200 km3
Longest race415,0 km
8th Trans Japan Alps Race (TJAR) — 7/8/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,6%
Trail92,4%
HISTORY
30 race(s)| Runner | Races in common |
|---|---|