Naoki (小林直樹) Kobayashi
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Born : 1978
Cat. M45 Ultrarunner since 2015
35
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?
FranceJapan
Thailand
FranceJapanThailand22,6%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 4 983; Σ finishers = 22 030. 4 983 / 22 030 × 100 = 22.62%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed35
Km — ultra races3 303 km
> 100 km11
> 160 km9
Longest race174,0 km
23ème Ultra Trail Tour du Mont Blanc (UTMB) — 28/8/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road12,5%
Trail87,5%
HISTORY
35 race(s)| Runner | Races in common |
|---|---|