Cheng-Yuan (徐程远) Xu
External sources
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Born : 1984
Cat. M40 Ultrarunner since 2016
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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
China56,0%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 328; Σ finishers = 586. 328 / 586 × 100 = 55.97%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 31.03 | 51km | 3rd Conghua CH50 - 51 km Run |
13:35:34 h | 146 |
| 2017 | ||||
| 05.03 | 55.8km | 2nd Conghua CH50 |
13:40:11 h | 178 |
| 2016 | ||||
| 06.03 | 50km | 1st Conghua CH50 |
7:10:05 h | 7 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/3/2017 | 2nd Conghua CH50 | 55,80 | ×4 |
| ✓ 2 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×4 |
| ✓ 3 | 6/3/2016 | 1st Conghua CH50 | 50,00 | ×4 |