Tsutomu (奥林務) Okubayashi
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Born : 1973
Cat. M50 Ultrarunner since 2012
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
4
Countries visited ?
Hong Kong
ItalyJapan
Nepal
Hong KongItalyJapanNepal37,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 953; Σ finishers = 5 203. 1 953 / 5 203 × 100 = 37.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races840 km
> 100 km2
> 160 km1
> 200 km1
Longest race330,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,7%
Trail93,3%
Records
HISTORY
8 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/9/2014 | 5° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta | 330,00 | ×12 |
| ✓ 2 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 3 | 10/3/2017 | 6th TransLantau 100 Ultra Trail | 100,00 | ×3 |
| ✓ 4 | 10/3/2013 | 1st Izu Trail Journey | 72,00 | ×2 |
| ✓ 5 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 6 | 27/3/2016 | 14th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×2 |
| ✓ 7 | 2/1/2016 | 3rd Kathmandu 50 km Ultra Trail | 50,00 | ×1 |
| ✓ 8 | 23/9/2012 | 5th OSJ Adatara Trail 50K | 50,00 | ×1 |