Shunichi (服部俊一) Hattori
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Ultrarunner since 2016
15
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
Japan25,0%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 3 282; Σ finishers = 13 125. 3 282 / 13 125 × 100 = 25.01%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 473 km
> 100 km4
Longest race118,0 km
28th Fuji 5 Lakes 118 km Challenge — 22/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road93,2%
Trail6,8%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 19.10 | 100km | 31th River Shimanto 100km |
13:50:57 h | 920 |
| 2024 | ||||
| 09.03 | 115km | 14th Oedo Night run 115k |
13:41:25 h | 3 🥉 |
| 2023 | ||||
| 04.06 | 78km | 30. Ultramarathon Okumusashi |
9:05:06 h | 229 |
| 16.04 | 100km | 33th Fuji 4 Lakes 100 km Challenge |
13:02:44 h | 652 |
| 2022 | ||||
| 05.06 | 78km | 29. Ultramarathon Okumusashi |
8:46:32 h | 273 |
| 12.03 | 115km | 12th Oedo Night run 115k |
15:33:25 h | 21 |
| 2019 | ||||
| 21.04 | 100km | 29th Fuji 5 Lakes 100 km Challenge |
10:25:44 h | 201 |
| 2018 | ||||
| 03.06 | 78km | 25. Ultramarathon Okumusashi |
7:59:09 h | 147 |
| 20.05 | 100km | 24th Yatsugatake Nobeyama 100 km |
11:13:14 h | 227 |
| 22.04 | 118km | 28th Fuji 5 Lakes 118 km Challenge |
13:32:58 h | 152 |
| 03.03 | 113km | 8th Oedo Night run 113k |
14:45:29 h | 20 |
| 2017 | ||||
| 21.10 | 100km | 8th Inagawa 100km Ultra-Marathon |
10:24:20 h | 5 |
| 04.06 | 78km | 24. Ultramarathon Okumusashi |
7:51:47 h | 174 |
| 21.05 | 100km | 23rd Yatsugatake Nobeyama 100 km |
11:16:24 h | 157 |
| 2016 | ||||
| 09.10 | 100km | 11th Echigo Kubikino 100km Ultramarathon |
9:49:59 h | 116 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2018 | 28th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 9/3/2024 | 14th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 3 | 12/3/2022 | 12th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 4 | 3/3/2018 | 8th Oedo Night run 113k | 113,00 | ×3 |
| ✓ 5 | 19/10/2025 | 31th River Shimanto 100km | 100,00 | ×2 |
| ✓ 6 | 16/4/2023 | 33th Fuji 4 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 7 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 8 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 21/10/2017 | 8th Inagawa 100km Ultra-Marathon | 100,00 | ×2 |
| ✓ 10 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 11 | 9/10/2016 | 11th Echigo Kubikino 100km Ultramarathon | 100,00 | ×2 |
| ✓ 12 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 13 | 5/6/2022 | 29. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 14 | 3/6/2018 | 25. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 15 | 4/6/2017 | 24. Ultramarathon Okumusashi | 78,00 | ×2 |