Kazuhiko (齋藤和彦) Saito
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1969
Cat. M55 Ultrarunner since 2014
44
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
1
Countries visited ?Japan
Japan56,0%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 20 715; Σ finishers = 37 007. 20 715 / 37 007 × 100 = 55.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed44
Km — ultra races3 996 km
> 100 km11
> 160 km3
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,1%
Trail85,9%
HISTORY
44 race(s)| Runner | Races in common |
|---|---|