Shi-Qing (陈世清) Chen
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
8,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 264; Σ finishers = 3 245. 264 / 3 245 × 100 = 8.14%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races512 km
Longest race85,0 km
7th Jiangnan 100 Ultra Trail - 85km — 16/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 08.11 | 50km | 6:48:33 h | 67 | |
| 2024 | ||||
| 02.11 | 50km | 9:53:37 h | 12 | |
| 07.09 | 55km | 10:33:13 h | 67 | |
| 27.04 | 50km | 8:49:39 h | 46 | |
| 2023 | ||||
| 14.10 | 72km | 10:51:26 h | 25 | |
| 2022 | ||||
| 12.11 | 52.1km | 10:01:48 h | 5 | |
| 2021 | ||||
| 16.04 | 85km | 12:06:37 h | 17 | |
| 2020 | ||||
| 26.12 | 30mi | 7:55:57 h | 1 🏆 | |
| 2019 | ||||
| 24.11 | 50km | 13:22:53 h | 33 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 85km | 85,00 | ×4 |
| ✓ 2 | 14/10/2023 | 1st Guangdong Trail - Lianshan | 72,00 | ×3 |
| ✓ 3 | 7/9/2024 | 8th Trail Mt Wugong 50 km | 55,00 | ×2 |
| ✓ 4 | 12/11/2022 | 7th Ultra Trail Mt Siguniang 50 km | 52,10 | ×2 |
| ✓ 5 | 8/11/2025 | 5th China 100 mountain cross - 50 km Yangshuo | 50,00 | ×2 |
| ✓ 6 | 2/11/2024 | 9th Ultra Trail Mt Siguniang 50 km NHP | 50,00 | ×2 |
| ✓ 7 | 27/4/2024 | 2nd Yangchun Jilongding Azalea Trail running race | 50,00 | ×2 |
| ✓ 8 | 24/11/2019 | 1st Cross-Country Zhongshan | 50,00 | ×2 |
| ✓ 9 | 26/12/2020 | 6th Ultra Trail Shenzhen 30 Miles (UTSZ) | 48,28 | ×2 |