Takeshi (廣川武士) Hirokawa
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
62,5%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 4 281; Σ finishers = 6 847. 4 281 / 6 847 × 100 = 62.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 102 km
> 100 km1
Longest race108,0 km
24th Fuji 5 Lakes 108 km Challenge — 20/4/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road90,9%
Trail9,1%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/4/2014 | 24th Fuji 5 Lakes 108 km Challenge | 108,00 | ×3 |
| ✓ 2 | 21/9/2012 | 12th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 17/6/2012 | 7. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 4 | 25/9/2011 | 14th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 17/7/2011 | 4th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 6 | 14/9/2014 | 5th Akiota Yajirushi Marathon 88km | 88,00 | ×2 |
| ✓ 7 | 23/4/2023 | 2nd Suo-Oshima Ultra Marathon - 70 km | 70,00 | ×2 |
| ✓ 8 | 4/5/2014 | 26. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 9 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 10 | 18/9/2022 | 20th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 11 | 10/11/2019 | 3rd Hiba Izanami Highway Run | 60,00 | ×2 |
| ✓ 12 | 15/9/2019 | 19th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 13 | 18/9/2016 | 16th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 14 | 15/9/2013 | 13th Tango 60 km Ultramarathon | 60,00 | ×2 |