Issey (服部一齋) Hattori
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Born : 1975
Cat. M50 Ultrarunner since 2014
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan53,9%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 715; Σ finishers = 3 182. 1 715 / 3 182 × 100 = 53.90%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races783 km
> 100 km5
> 160 km2
Longest race162,6 km
15th Shinetsu Five Mountains Trail 100 mile — 16/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road9,8%
Trail90,2%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 14.09 | 112.7km | 17th Shinetsu Five Mountains Trail 110km |
20:53:13 h | 171 |
| 2023 | ||||
| 16.09 | 162.6km | 15th Shinetsu Five Mountains Trail 100 mile |
31:08:41 h | 133 |
| 2019 | ||||
| 14.09 | 100mi | 11th Shinetsu Five Mountains Trail 100 mile |
32:27:26 h | 276 |
| 2016 | ||||
| 18.09 | 110km | 8th Shinetsu Five Mountains Trail 110km |
17:17:39 h | 189 |
| 28.05 | 50km | 2nd Mt. Hiei Int. 50 km Trail Run |
8:22:07 h | 245 |
| 2015 | ||||
| 22.09 | 110km | 7th Shinetsu Five Mountains Trail 110km |
20:01:01 h | 348 |
| 2014 | ||||
| 18.05 | 77km | Saba Highway Ultramarathon |
11:19:09 h | 360 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×6 |
| ✓ 2 | 14/9/2019 | 11th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×6 |
| ✓ 3 | 14/9/2025 | 17th Shinetsu Five Mountains Trail 110km | 112,70 | ×4 |
| ✓ 4 | 18/9/2016 | 8th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 5 | 22/9/2015 | 7th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 6 | 18/5/2014 | Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 7 | 28/5/2016 | 2nd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |