Xiang-Qi (陈祥奇) Chen
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10
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
2
Countries visited ?
China
Hong Kong
86,9%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 3 157; Σ finishers = 3 631. 3 157 / 3 631 × 100 = 86.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races768 km
> 100 km2
Longest race115,0 km
2nd Maxi-Race Yangshuo China 115 km — 25/11/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road13,0%
Trail87,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 24.08 | 50km | 11:29:41 h | 460 | |
| 2019 | ||||
| 26.10 | 101km | 29:21:33 h | 248 | |
| 2018 | ||||
| 22.09 | 50km | 11:17:13 h | 256 | |
| 27.01 | 100km | 28:54:11 h | 1477 | |
| 2017 | ||||
| 25.11 | 115km | 28:27:34 h | 124 | |
| 21.05 | 52.1km | 9:46:05 h | 48 | |
| 16.04 | 100km | 23:38:39 h | 396 | |
| 2016 | ||||
| 16.10 | 100km | 23:45:15 h | 65 | |
| 04.10 | 50km | 5:57:34 h | 20 | |
| 2015 | ||||
| 08.11 | 50km | 6:35:51 h | 73 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/11/2017 | 2nd Maxi-Race Yangshuo China 115 km | 115,00 | ×4 |
| ✓ 2 | 26/10/2019 | 7th Wildman100 Trail Challenge SJZ | 101,00 | ×4 |
| ✓ 3 | 27/1/2018 | 8th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 4 | 16/4/2017 | 9th The North Face 100 China | 100,00 | ×4 |
| ✓ 5 | 16/10/2016 | 4th Dali 100 Ultra Endurance Race | 100,00 | ×4 |
| ✓ 6 | 21/5/2017 | 2nd Mentougou Trail Conference 60 km | 52,10 | ×2 |
| ✓ 7 | 24/8/2024 | 5th Ultra Trail Challenge Bailidujuan 50 | 50,00 | ×2 |
| ✓ 8 | 22/9/2018 | 6th Wuyuezhai International Trail Challenge | 50,00 | ×2 |
| ✓ 9 | 4/10/2016 | 1st Dunhuang Yadan Marathon | 50,00 | ×2 |
| ✓ 10 | 8/11/2015 | 1st Gobi Ultra-Marathon Jiuquan | 50,00 | ×2 |