Xi (Qian) (余茜) Yu
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
21,2%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 2 365; Σ finishers = 11 168. 2 365 / 11 168 × 100 = 21.18%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 092 km
Longest race100,0 km
43th Oxfam Trailwalker Hong Kong — 28/11/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,3%
Trail92,7%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/11/2024 | 43th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 2 | 18/1/2020 | 10th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 3 | 16/11/2018 | 37th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 4 | 14/4/2018 | 1st China Ultra 100 - Guilin | 100,00 | ×3 |
| ✓ 5 | 6/1/2018 | 1st Maoming Dianbai 100km Trail Race | 100,00 | ×3 |
| ✓ 6 | 1/1/2024 | 6th The Bund, Shanghai 80km | 80,00 | ×2 |
| ✓ 7 | 27/12/2025 | 2nd TORX CHN100 Shenzhen - 60km | 60,00 | ×2 |
| ✓ 8 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×2 |
| ✓ 9 | 28/3/2021 | 1st TransCanton Baiyun 50 | 50,00 | ×1 |
| ✓ 10 | 7/11/2020 | 5th Conghua CH50 - 50 km Run | 50,00 | ×1 |
| ✓ 11 | 14/12/2019 | 1st Trans Canton - Longdong | 50,00 | ×1 |
| ✓ 12 | 23/3/2019 | 4th Conghua CH50 - 50 km Run | 50,00 | ×1 |
| ✓ 13 | 3/3/2018 | 2nd Baibin 100 Ultra Trail Dapeng - 50 km Run | 50,00 | ×1 |
| ✓ 14 | 14/5/2017 | 2nd Guangzhou longdong Trail 50 | 50,00 | ×1 |
| ✓ 15 | 6/11/2016 | Singwood Trailathon | 50,00 | ×1 |
| ✓ 16 | 1/4/2024 | 5th Golden 100 Hong Kong - 45 km Run | 45,00 | ×1 |