Long (陈龙) 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.
31
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
25,1%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 257; Σ finishers = 8 982. 2 257 / 8 982 × 100 = 25.13%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 130 km
> 100 km4
> 160 km1
Longest race160,9 km
7th Jiangnan 100 Ultra Trail - 100mi — 16/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,5%
Trail83,5%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 08.11 | 50km | 6:14:25 h | 33 | |
| 18.04 | 159.2km | 26:33:59 h | 40 | |
| 2024 | ||||
| 18.05 | 50km | 12:02:38 h | 1434 | |
| 20.01 | 100km | 18:24:19 h | 183 | |
| 2023 | ||||
| 18.02 | 100km | 18:53:28 h | 264 | |
| 2021 | ||||
| 16.04 | 100mi | 30:26:01 h | 75 | |
| 09.01 | 100km | 18:02:43 h | 70 | |
| 2020 | ||||
| 27.11 | 108km | 25:37:42 h | 14 | |
| 2018 | ||||
| 22.11 | 116km | 26:47:30 h | 17 | |
| 2017 | ||||
| 09.09 | 50km | 10:25:20 h | 102 | |
| 2016 | ||||
| 04.10 | 50km | 5:36:28 h | 12 | |
| 18.06 | 12h | 86.250 km | 25 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 100mi | 160,93 | ×5 |
| ✓ 2 | 18/4/2025 | 7th Yunqiu Mountain Trail - UMY 100M | 159,20 | ×5 |
| ✓ 3 | 22/11/2018 | 4th Ultra-Trail Three Gorges 116 km | 116,00 | ×3 |
| ✓ 4 | 27/11/2020 | 6th Ultra-Trail Three Gorges 108 km | 108,00 | ×3 |
| ✓ 5 | 20/1/2024 | 14th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 6 | 18/2/2023 | 13th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 7 | 9/1/2021 | 5th GZ100 Guangzhou - 100 km Run | 100,00 | ×3 |
| ✓ 8 | 18/6/2016 | 1st Mount Xiqiao Int. 12 Hour Ultra Marathon | 86,25 | ×2 |
| ✓ 9 | 8/11/2025 | 5th China 100 mountain cross - 50 km Yangshuo | 50,00 | ×1 |
| ✓ 10 | 18/5/2024 | 14th An Egg'S Rampage | 50,00 | ×1 |
| ✓ 11 | 9/9/2017 | 4th Great Walker Beijing - 50 km | 50,00 | ×1 |
| ✓ 12 | 4/10/2016 | 1st Dunhuang Yadan Marathon | 50,00 | ×1 |