Yong (陈勇) Chen
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
12
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
1
Countries visited ?
China
39,6%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 148; Σ finishers = 2 902. 1 148 / 2 902 × 100 = 39.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races785 km
> 100 km2
Longest race105,5 km
1st Guizhou Ultramarathon — 11/11/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road12,9%
Trail73,6%
Stage13,4%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 12.12 | 52km | 8:44:09 h | 55 | |
| 2019 | ||||
| 19.10 | 60km | 15:12:33 h | 48 | |
| 07.09 | 56km | 14:32:45 h | 168 | |
| 13.04 | 50km | 8:14:33 h | 94 | |
| 2017 | ||||
| 16.04 | 50km | 11:11:32 h | 177 | |
| 11.03 | 50km | 13:33:20 h | 283 | |
| 2016 | ||||
| 28.05 | 50km | 7:11:27 h | 28 | |
| 2013 | ||||
| 04.05 | 50km | 5:11:12 h | 27 | |
| 30.03 | 12h | 101.350 km | 34 | |
| 2012 | ||||
| 03.03 | 60km | 7:47:42 h | 173 | |
| 2011 | ||||
| 11.11 | 105.5km/3stages | 7:36:08 h | 24 | |
| 07.05 | 100km | 13:49:22 h | 49 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/11/2011 | 1st Guizhou Ultramarathon | 105,50 | ×4 |
| ✓ 2 | 30/3/2013 | 3rd Fuzhou 12h Ultramarathon | 101,35 | ×4 |
| ✓ 3 | 7/5/2011 | The North Face 100 China | 100,00 | ×4 |
| ✓ 4 | 19/10/2019 | 4th MaXi Race China Jiangshan 60 km | 60,00 | ×2 |
| ✓ 5 | 3/3/2012 | 1st Xiamen Haicang Cross Country Running | 60,00 | ×2 |
| ✓ 6 | 7/9/2019 | 5th Trail Mt Wugong 56 km | 56,00 | ×2 |
| ✓ 7 | 12/12/2020 | 1st Ningbo 50 | 52,00 | ×2 |
| ✓ 8 | 13/4/2019 | 5th Jiangnan 100 Ultra Trail - 50km | 50,00 | ×2 |
| ✓ 9 | 16/4/2017 | 3rd Daluoshan Trail Run 50K | 50,00 | ×2 |
| ✓ 10 | 11/3/2017 | 4th Wendao Ultra Trail HZ100 - 50 km | 50,00 | ×2 |
| ✓ 11 | 28/5/2016 | 1st Beijing 100 Baoshan Trail - 50km | 50,00 | ×2 |
| ✓ 12 | 4/5/2013 | The North Face 50 China | 50,00 | ×2 |