Satoshi (広中聡) Hironaka
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
16,2%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 127; Σ finishers = 6 945. 1 127 / 6 945 × 100 = 16.23%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 920 km
> 100 km5
> 160 km3
> 200 km2
Longest race570,0 km
5th Reiheishi Michi Kyoto to Nikko - 570 km — 29/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 29.04 | 570km | 8d 08:58:40 h | 23 | |
| 2025 | ||||
| 15.11 | 142km | 24:52:50 h | 110 | |
| 19.07 | 266km | 2d 06:10:32 h | 53 | |
| 15.03 | 200km | 35:40:33 h | 180 | |
| 2024 | ||||
| 02.11 | 142km | 22:17:46 h | 51 | |
| 2023 | ||||
| 11.06 | 100km | 11:30:43 h | 168 | |
| 2019 | ||||
| 09.06 | 100km | 9:33:32 h | 39 | |
| 2018 | ||||
| 03.06 | 100km | 10:12:27 h | 121 | |
| 2017 | ||||
| 04.06 | 100km | 9:44:59 h | 150 | |
| 2016 | ||||
| 05.06 | 100km | 9:43:11 h | 82 | |
| 2015 | ||||
| 06.06 | 100km | 10:09:17 h | 161 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/4/2026 | 5th Reiheishi Michi Kyoto to Nikko - 570 km | 570,00 | ×13 |
| ✓ 2 | 19/7/2025 | 9th Michinoku Tsugaru Journey Run 266K | 266,00 | ×6 |
| ✓ 3 | 15/3/2025 | 15th Little Edo Oedo 200k | 200,00 | ×4 |
| ✓ 4 | 15/11/2025 | 7th Autumn leaves in Okumusashi / Chichibu Journey run | 142,00 | ×3 |
| ✓ 5 | 2/11/2024 | 6th Autumn leaves in Okumusashi / Chichibu Journey run | 142,00 | ×3 |
| ✓ 6 | 11/6/2023 | 17th Iwate Ginga 100km Marathon Challenge | 100,00 | ×2 |
| ✓ 7 | 9/6/2019 | 15th Iwate Ginga 100km Marathon Challenge | 100,00 | ×2 |
| ✓ 8 | 3/6/2018 | 6th Tokyo Shibamata 100 km | 100,00 | ×2 |
| ✓ 9 | 4/6/2017 | 5th Tokyo Shibamata 100 km | 100,00 | ×2 |
| ✓ 10 | 5/6/2016 | 4th Tokyo Shibamata 100 km | 100,00 | ×2 |
| ✓ 11 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×2 |