Koji (佐々木幸司) Sasaki
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Born : 1962
Cat. M60 Ultrarunner since 2011
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
Japan37,3%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 961; Σ finishers = 15 998. 5 961 / 15 998 × 100 = 37.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 606 km
> 100 km4
Longest race118,0 km
26th Fuji 5 Lakes 118 km Challenge — 24/4/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road81,3%
Trail18,7%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2016 | 26th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 19/4/2015 | 25th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 3 | 22/4/2012 | 22nd Fuji 5 Lakes 112 km Challenge | 112,00 | ×3 |
| ✓ 4 | 20/4/2014 | 24th Fuji 5 Lakes 108 km Challenge | 108,00 | ×3 |
| ✓ 5 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 6 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 7 | 19/5/2019 | 25th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 8 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 11 | 7/6/2015 | 4th Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 12 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 13 | 8/6/2014 | 3rd Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 14 | 21/10/2012 | 18th River Shimanto 100km | 100,00 | ×2 |
| ✓ 15 | 30/4/2011 | 21st Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 16 | 17/6/2012 | 7. Okinoshima 50km Ultra Marathon | 50,00 | ×1 |