Takuya (前波卓也) Maenami
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Born : 1981
Cat. M45 Ultrarunner since 2019
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan40,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 2 348; Σ finishers = 5 830. 2 348 / 5 830 × 100 = 40.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races713 km
> 100 km3
Longest race110,0 km
15th Shinetsu Five Mountains Trail 110km — 17/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road37,2%
Trail62,8%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 31.05 | 100km | 1st Nara Ultra Marathon |
12:04:13 h | 618 |
| 2025 | ||||
| 06.09 | 59km | 9th Kyoto Grand Traverse |
11:11:38 h | 139 |
| 20.07 | 99.5km | 17th OSJ Ontake 100km Ultra Trail |
14:39:36 h | 369 |
| 2024 | ||||
| 25.05 | 62km | 12th Tojinbo 62 km Ultramarathon |
6:18:07 h | 12 |
| 23.03 | 109km | 2nd Hiroshima Wangan Trail Run |
27:23:34 h | 277 |
| 2023 | ||||
| 10.12 | 70km | 10th Izu Trail Journey |
11:40:22 h | 672 |
| 17.09 | 110km | 15th Shinetsu Five Mountains Trail 110km |
20:57:45 h | 154 |
| 2019 | ||||
| 25.05 | 103km | 8th Tojinbo 103 km Ultramarathon |
15:20:34 h | 115 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 2 | 23/3/2024 | 2nd Hiroshima Wangan Trail Run | 109,00 | ×4 |
| ✓ 3 | 25/5/2019 | 8th Tojinbo 103 km Ultramarathon | 103,00 | ×4 |
| ✓ 4 | 31/5/2026 | 1st Nara Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 20/7/2025 | 17th OSJ Ontake 100km Ultra Trail | 99,50 | ×3 |
| ✓ 6 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×2 |
| ✓ 7 | 25/5/2024 | 12th Tojinbo 62 km Ultramarathon | 62,00 | ×2 |
| ✓ 8 | 6/9/2025 | 9th Kyoto Grand Traverse | 59,00 | ×2 |