Ayumi (梅田亜由美) Umeda
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Born : 1977
Cat. W45 Ultrarunner since 2015
9
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
Japan69,9%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 3 112; Σ finishers = 4 455. 3 112 / 4 455 × 100 = 69.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races684 km
Longest race100,0 km
6th Tobishima Ultra Marathon — 14/12/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 14.12 | 100km | 6th Tobishima Ultra Marathon |
14:12:25 h | 196 |
| 14.09 | 60km | 23th Tango 60 km Ultramarathon |
9:04:11 h | 483 |
| 2024 | ||||
| 08.12 | 100km | 5th Tobishima Ultra Marathon |
14:06:17 h | 221 |
| 2023 | ||||
| 10.12 | 100km | 4th Tobishima Ultra Marathon |
14:34:10 h | 242 |
| 2022 | ||||
| 11.12 | 100km | 3rd Tobishima Ultra Marathon |
15:40:09 h | 293 |
| 28.05 | 52km | 10th Tojinbo 52 km Ultramarathon |
7:51:23 h | 95 |
| 2019 | ||||
| 25.05 | 52km | 8th Tojinbo 52 km Ultramarathon |
8:44:47 h | 104 |
| 2016 | ||||
| 18.09 | 60km | 16th Tango 60 km Ultramarathon |
8:49:46 h | 703 |
| 2015 | ||||
| 20.09 | 60km | 15th Tango 60 km Ultramarathon |
8:58:06 h | 784 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/12/2025 | 6th Tobishima Ultra Marathon | 100,00 | ×4 |
| ✓ 2 | 8/12/2024 | 5th Tobishima Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 10/12/2023 | 4th Tobishima Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 11/12/2022 | 3rd Tobishima Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 14/9/2025 | 23th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 6 | 18/9/2016 | 16th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 7 | 20/9/2015 | 15th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 8 | 28/5/2022 | 10th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |
| ✓ 9 | 25/5/2019 | 8th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |