Chiki (上原千貴) Uehara
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Born : 1974
Cat. W50 Ultrarunner since 2021
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
Japan15,3%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 248; Σ finishers = 1 623. 248 / 1 623 × 100 = 15.28%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races329 km
Longest race100,0 km
11th Tokyo Shibamata 100 km — 21/5/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 21.05 | 100km | 11th Tokyo Shibamata 100 km |
10:38:05 h | 140 |
| 2022 | ||||
| 03.07 | 8h | 28th 8-Hour Endurance Race Tokorozawa |
68.600 km | 38 |
| 22.05 | 100km | 10th Tokyo Shibamata 100 km |
9:40:02 h | 66 |
| 2021 | ||||
| 09.10 | 60km | 9th Tokyo Shibamata 60 km |
4:53:20 h | 8 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/5/2023 | 11th Tokyo Shibamata 100 km | 100,00 | ×5 |
| ✓ 2 | 22/5/2022 | 10th Tokyo Shibamata 100 km | 100,00 | ×5 |
| ✓ 3 | 3/7/2022 | 28th 8-Hour Endurance Race Tokorozawa | 68,60 | ×4 |
| ✓ 4 | 9/10/2021 | 9th Tokyo Shibamata 60 km | 60,00 | ×3 |