Takashi (上田崇) Ueda
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
4
Countries visited ?
Japan
Malaysia
Thailand
United States
40,6%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 887; Σ finishers = 4 653. 1 887 / 4 653 × 100 = 40.55%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 091 km
> 100 km5
> 160 km2
Longest race169,0 km
3rd Lake Biwa 100 — 6/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road9,2%
Trail90,8%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 30.11 | 50km | 9:35:35 h | 100 | |
| 2024 | ||||
| 26.04 | 167km | 37:58:11 h | 552 | |
| 27.01 | 50km | 8:06:13 h | 39 | |
| 2023 | ||||
| 06.10 | 169km | 43:51:26 h | 124 | |
| 10.06 | 100.8km | 16:38:37 h | 192 | |
| 2022 | ||||
| 10.12 | 104km | 22:43:06 h | 127 | |
| 04.06 | 100km | 22:41:08 h | 26 | |
| 2019 | ||||
| 11.10 | 105km | 27:20:53 h | 15 | |
| 13.07 | 65km | 10:32:32 h | 77 | |
| 29.06 | 80km | 13:49:28 h | 175 | |
| 2014 | ||||
| 07.06 | 100km | 12:28:33 h | 471 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/10/2023 | 3rd Lake Biwa 100 | 169,00 | ×5 |
| ✓ 2 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 3 | 11/10/2019 | 2nd Ultimate Trails of Penang 100 km | 105,00 | ×3 |
| ✓ 4 | 10/12/2022 | 3rd Thailand by UTMB - 104km | 104,00 | ×3 |
| ✓ 5 | 10/6/2023 | 3rd Okushinano 100 | 100,80 | ×3 |
| ✓ 6 | 4/6/2022 | 2nd Minakami Trail Race - 100km | 100,00 | ×3 |
| ✓ 7 | 7/6/2014 | 24th Aso Caldera Super Marathon 100 km | 100,00 | ×3 |
| ✓ 8 | 29/6/2019 | 9th Utsukushigahara 80 km Trail Run | 80,00 | ×2 |
| ✓ 9 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 10 | 30/11/2025 | 12th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |
| ✓ 11 | 27/1/2024 | 11th Sean O'Brien 50 km Trail Race | 50,00 | ×1 |