Masami (実川政美) Sanekawa
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Born : 1970
Cat. M55 Ultrarunner since 2005
38
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
Japan91,2%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 21 043; Σ finishers = 23 066. 21 043 / 23 066 × 100 = 91.23%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed44
Km — ultra races3 886 km
> 100 km15
> 160 km1
Longest race177,0 km
4th Michinoku Tsugaru Journey Run 177K — 13/7/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road75,5%
Trail2,6%
Stage21,9%
Records
HISTORY
38 race(s) · 12 stage(s) nested| Runner | Races in common |
|---|---|