Chong-Zheng (虞崇政) Yu
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.
Born : 1987
Cat. M35 Ultrarunner since 2014
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
China5,0%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 331; Σ finishers = 6 661. 331 / 6 661 × 100 = 4.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 151 km
Longest race100,0 km
8th The North Face 100 China — 7/5/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road8,0%
Trail92,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/5/2016 | 8th The North Face 100 China | 100,00 | ×3 |
| ✓ 2 | 9/5/2015 | 7th The North Face 100 China | 100,00 | ×3 |
| ✓ 3 | 18/4/2015 | 3rd DL100 Ultra Endurance Race | 100,00 | ×3 |
| ✓ 4 | 24/5/2014 | 6th The North Face 100 China | 100,00 | ×3 |
| ✓ 5 | 19/4/2014 | 2nd DL100 Ultra Endurance Race | 100,00 | ×3 |
| ✓ 6 | 29/3/2015 | 1st Wenchuan Trail | 60,00 | ×2 |
| ✓ 7 | 21/5/2017 | 2nd Mentougou Trail Conference 60 km | 52,10 | ×1 |
| ✓ 8 | 19/10/2019 | 2nd Yunqiu Mountain Trail - 50 km | 51,60 | ×1 |
| ✓ 9 | 12/7/2025 | 9th Columbia 50 Ultra Trail Chongli Challenge Race | 50,00 | ×1 |
| ✓ 10 | 13/7/2024 | 8th Columbia 50 Ultra Trail Chongli Challenge Race | 50,00 | ×1 |
| ✓ 11 | 1/10/2022 | 1st BeiJing Xiangshan 50 Ultra Trail | 50,00 | ×1 |
| ✓ 12 | 23/9/2017 | 5th Wuyuezhai International Trail Challenge | 50,00 | ×1 |
| ✓ 13 | 17/12/2016 | China Int. Trail | 50,00 | ×1 |
| ✓ 14 | 23/4/2016 | 1st Aijiangshan Trail Series - Xishan | 50,00 | ×1 |
| ✓ 15 | 4/9/2015 | 3rd Wuyuezhai International Trail Challenge | 50,00 | ×1 |
| ✓ 16 | 17/10/2015 | 1st Great Wall Super Marathon | 47,10 | ×1 |
| ✓ 17 | 27/2/2016 | 1st Aijiangshan Trail Series - Jingxigudao | 45,30 | ×1 |
| ✓ 18 | 26/3/2016 | Wucaijian Mountain 50K | 45,00 | ×1 |