Kunio (泉国雄) Izumi
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Born : 1978
Cat. M45 Ultrarunner since 2019
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Japan35,4%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 527; Σ finishers = 4 312. 1 527 / 4 312 × 100 = 35.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races919 km
> 100 km3
> 160 km2
Longest race165,0 km
3rd Deep Japan Ultra 100 - 165 km — 21/6/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road21,8%
Trail78,2%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 21.06 | 100km | 2nd R.O.C 100k |
22:09:30 h | 5 |
| 2024 | ||||
| 21.06 | 165km | 3rd Deep Japan Ultra 100 - 165 km |
41:34:54 h | 30 |
| 2023 | ||||
| 16.09 | 162.6km | 15th Shinetsu Five Mountains Trail 100 mile |
30:33:18 h | 106 |
| 25.06 | 100km | 38. Lake Saroma 100 km Ultramarathon |
10:38:10 h | 456 |
| 2022 | ||||
| 20.11 | 106km | 8th FunTrails100K Round |
24:54:40 h | 204 |
| 12.06 | 49km | 5th Sapporo Teine Trail |
7:20:28 h | 50 |
| 2021 | ||||
| 12.12 | 69.1km | 8th Izu Trail Journey |
10:48:28 h | 529 |
| 22.08 | 49km | 4th Sapporo Teine Trail |
7:24:50 h | 34 |
| 2020 | ||||
| 20.09 | 63km | 13th Hokkaido Outdoor Festival 60 km Run |
10:53:25 h | 13 |
| 2019 | ||||
| 18.08 | 55km | 5th Mt. Taisetsu Tokachidake Trail |
8:00:45 h | 110 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/6/2024 | 3rd Deep Japan Ultra 100 - 165 km | 165,00 | ×6 |
| ✓ 2 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×6 |
| ✓ 3 | 20/11/2022 | 8th FunTrails100K Round | 106,00 | ×3 |
| ✓ 4 | 21/6/2025 | 2nd R.O.C 100k | 100,00 | ×3 |
| ✓ 5 | 25/6/2023 | 38. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×2 |
| ✓ 7 | 20/9/2020 | 13th Hokkaido Outdoor Festival 60 km Run | 63,00 | ×2 |
| ✓ 8 | 18/8/2019 | 5th Mt. Taisetsu Tokachidake Trail | 55,00 | ×2 |
| ✓ 9 | 12/6/2022 | 5th Sapporo Teine Trail | 49,00 | ×1 |
| ✓ 10 | 22/8/2021 | 4th Sapporo Teine Trail | 49,00 | ×1 |