Xiao-Wu (周晓武) Zhou
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17
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
4
Countries visited ?
China
Hong Kong
Japan
South Korea
62,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 6 115; Σ finishers = 9 805. 6 115 / 9 805 × 100 = 62.37%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 157 km
> 100 km1
Longest race115,0 km
4th Ultra-Trail Tai Mo Shan (TTF) 115 km — 5/1/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/1/2019 | 4th Ultra-Trail Tai Mo Shan (TTF) 115 km | 115,00 | ×3 |
| ✓ 2 | 20/1/2024 | 14th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 3 | 27/12/2019 | 1st Golden 100 Hong Kong - 100 km Run | 100,00 | ×3 |
| ✓ 4 | 24/11/2023 | 42th Oxfam Trailwalker Hong Kong | 97,00 | ×3 |
| ✓ 5 | 24/10/2020 | 6th Ultimate Tsaigu Trail Kuocang - 85 km | 85,00 | ×2 |
| ✓ 6 | 26/4/2024 | 3rd KAI 70k | 70,00 | ×2 |
| ✓ 7 | 18/10/2025 | 12th TransJeju by UTMB - Jeju70K | 67,00 | ×2 |
| ✓ 8 | 5/11/2016 | 4th HK168 - 63 km ultra-endurance race | 63,00 | ×2 |
| ✓ 9 | 5/3/2017 | 2nd Conghua CH50 | 55,80 | ×1 |
| ✓ 10 | 1/3/2025 | 1st Ultra-Trail Xiamen by UTMB - 50K | 53,60 | ×1 |
| ✓ 11 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×1 |
| ✓ 12 | 16/3/2024 | 2nd TransCanton Baiyun 50 | 50,00 | ×1 |
| ✓ 13 | 7/11/2020 | 5th Conghua CH50 - 50 km Run | 50,00 | ×1 |
| ✓ 14 | 14/12/2019 | 1st Trans Canton - Longdong | 50,00 | ×1 |
| ✓ 15 | 17/11/2019 | 6th Luofushan Trail Race | 50,00 | ×1 |
| ✓ 16 | 3/6/2018 | 3rd Guangzhou longdong Trail 50 | 50,00 | ×1 |
| ✓ 17 | 14/5/2017 | 2nd Guangzhou longdong Trail 50 | 50,00 | ×1 |