Ayumi (田中亜由未) Tanaka
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Born : 1979
Cat. W45 Ultrarunner since 2018
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
Japan62,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 388; Σ finishers = 2 220. 1 388 / 2 220 × 100 = 62.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races722 km
Longest race100,0 km
2nd Suo-Oshima Ultramarathon — 26/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 14.06 | 84.39km | 10th JAL Mukatsuku Double Marathon |
11:17:16 h | 239 |
| 26.04 | 100km | 2nd Suo-Oshima Ultramarathon |
14:26:54 h | 180 |
| 2025 | ||||
| 05.10 | 100km | 6th Mine Akiyoshidai Geopark Ultra Marathon |
13:46:38 h | 82 |
| 08.06 | 84.39km | 9th JAL Mukatsuku Double Marathon |
11:30:21 h | 254 |
| 2024 | ||||
| 06.10 | 100km | 5th Mine Akiyoshidai Geopark Ultra Marathon |
13:44:59 h | 94 |
| 2023 | ||||
| 11.06 | 84.39km | 7th JAL Mukatsuku Double Marathon |
10:57:34 h | 130 |
| 2019 | ||||
| 09.06 | 84.39km | 3rd JAL Mukatsuku Double Marathon |
11:15:17 h | 236 |
| 2018 | ||||
| 10.06 | 84.39km | 2nd JAL Mukatsuku Double Marathon |
11:06:44 h | 181 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/4/2026 | 2nd Suo-Oshima Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 5/10/2025 | 6th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 6/10/2024 | 5th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 14/6/2026 | 10th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 5 | 8/6/2025 | 9th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 6 | 11/6/2023 | 7th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 7 | 9/6/2019 | 3rd JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 8 | 10/6/2018 | 2nd JAL Mukatsuku Double Marathon | 84,39 | ×3 |