Yoshinori (春日良規) Kasuga
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Born : 1968
Cat. M55 Ultrarunner since 2014
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
5
Countries visited ?
Australia
United KingdomJapan
South Korea
Switzerland
AustraliaUnited KingdomJapanSouth KoreaSwitzerland37,0%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 4 633; Σ finishers = 12 524. 4 633 / 12 524 × 100 = 36.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 324 km
> 100 km5
> 160 km1
Longest race167,0 km
9th Ultra-Trail Mt. Fuji (UTMF) — 26/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,5%
Trail83,5%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 2 | 23/4/2017 | 27th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 3 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 4 | 18/10/2025 | 12th TransJeju by UTMB - Jeju100K | 107,00 | ×3 |
| ✓ 5 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×3 |
| ✓ 6 | 16/5/2026 | 18th Ultra-Trail Australia by UTMB - UTA100 | 100,00 | ×3 |
| ✓ 7 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 8 | 20/4/2014 | 24th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 9 | 27/7/2019 | 7. Swissalpine Irontrail T88 | 84,90 | ×2 |
| ✓ 10 | 14/10/2023 | 3. Jungle Guruguru Max - 80 km | 80,00 | ×2 |
| ✓ 11 | 13/10/2024 | 32th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 31/10/2015 | 23rd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 30/11/2019 | Coastal Trail Series - Dorset Ultra | 55,60 | ×1 |
| ✓ 14 | 14/9/2014 | 4th Hakuba Int. Trail Run | 53,00 | ×1 |