Koji (加藤晃司) Katou
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
16,6%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 208; Σ finishers = 13 271. 2 208 / 13 271 × 100 = 16.64%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 410 km
> 100 km3
> 160 km1
Longest race160,9 km
16th OSJ Ontake 100 Mile Ultra Trail — 13/7/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road37,7%
Trail62,3%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/7/2024 | 16th OSJ Ontake 100 Mile Ultra Trail | 160,93 | ×4 |
| ✓ 2 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×3 |
| ✓ 3 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×3 |
| ✓ 4 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 5 | 18/5/2014 | 20th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 6 | 4/6/2017 | 24. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 7 | 5/6/2016 | 23. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 8 | 22/6/2015 | 22. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 9 | 27/7/2014 | 21. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 10 | 28/7/2013 | 20. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 11 | 21/4/2013 | 23rd Fuji 5 Lakes 72 km Challenge | 72,00 | ×2 |
| ✓ 12 | 22/4/2012 | 22nd Fuji 5 Lakes 72 km Challenge | 72,00 | ×2 |
| ✓ 13 | 21/5/2017 | 23rd Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 14 | 7/11/2021 | 5th Koshu Alps Haute Route Challenge | 67,00 | ×1 |
| ✓ 15 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 16 | 7/9/2025 | 18th OSJ Adatara Trail 50K | 53,40 | ×1 |
| ✓ 17 | 4/11/2018 | 2nd Koshu Alps Lily Route Challenge | 50,00 | ×1 |