Xi (陈希) Chen
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4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
15
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 ?
China
37,7%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 793; Σ finishers = 2 101. 793 / 2 101 × 100 = 37.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races260 km
Longest race100,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 21.09 | 60km | 10:35:42 h | 215 | |
| 2024 | ||||
| 21.09 | 50km | 10:15:09 h | 102 | |
| 12.07 | 100km | 24:53:20 h | 432 | |
| 2022 | ||||
| 01.10 | 50km | 12:17:14 h | 48 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/7/2024 | 8th Columbia 100 Ultra Trail Chongli Challenge Race | 100,00 | ×6 |
| ✓ 2 | 21/9/2025 | 13th The North Face 100 China - 60km | 60,00 | ×4 |
| ✓ 3 | 21/9/2024 | 2nd Great Wall 50 Trail Runs | 50,00 | ×3 |
| ✓ 4 | 1/10/2022 | 1st BeiJing Xiangshan 50 Ultra Trail | 50,00 | ×3 |