Yasuyuki (原田康行) Harada
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Born : 1965
Cat. M60 Ultrarunner since 2013
15
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
1
Countries visited ?Japan
Japan67,1%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 7 567; Σ finishers = 11 284. 7 567 / 11 284 × 100 = 67.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 403 km
> 100 km2
> 24h4
Longest race103,7 km
24th 24-hour relay & solo marathon Kobe — 17/8/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/8/2024 | 24th 24-hour relay & solo marathon Kobe | 103,70 | ×3 |
| ✓ 2 | 1/8/2015 | 15th 24-hour relay & solo marathon Kobe | 102,00 | ×3 |
| ✓ 3 | 14/9/2025 | 23th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 15/9/2024 | 22th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 17/9/2023 | 21th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 18/9/2022 | 20th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 16/9/2018 | 18th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 18/9/2016 | 16th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 20/9/2015 | 15th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 14/9/2014 | 14th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 15/9/2013 | 13th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 12 | 6/8/2016 | 16th 24-hour relay & solo marathon Kobe | 93,50 | ×2 |
| ✓ 13 | 5/8/2017 | 17th 24-hour relay & solo marathon Kobe | 71,40 | ×2 |
| ✓ 14 | 28/9/2014 | 17th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 15 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |