Mei-Xiong (杨梅雄) Yang
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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.
44
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
France
Hong Kong
Thailand
34,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 321; Σ finishers = 3 840. 1 321 / 3 840 × 100 = 34.40%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races2 384 km
> 100 km10
> 160 km10
> 200 km1
> 24h2
> 48h2
Longest race333,0 km
2nd The Great Wall 330 Ultra Trail — 23/8/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail94,7%
Elim.5,3%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F4
Longest winning streak0
Current streak0
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/8/2025 | 2nd The Great Wall 330 Ultra Trail | 333,00 | ×7 |
| ✓ 2 | 6/7/2023 | 7th Columbia 200 Ultra Trail Chongli Challenge Race | 200,00 | ×4 |
| ✓ 3 | 22/7/2022 | 6th Columbia 192 Ultra Trail Chongli Challenge Race | 192,00 | ×4 |
| ✓ 4 | 30/8/2024 | 21ème Ultra Trail Tour du Mont Blanc (UTMB) | 176,00 | ×4 |
| ✓ 5 | 8/12/2023 | 4th Doi Inthanon Thailand by UTMB - TRANS-INT 160 | 175,00 | ×3 |
| ✓ 6 | 26/12/2025 | 2nd TORX CHN100 Shenzhen - 168km | 168,00 | ×3 |
| ✓ 7 | 12/7/2024 | 8th Columbia 168 Ultra Trail Chongli Challenge Race | 168,00 | ×3 |
| ✓ 8 | 5/12/2025 | 2nd Chiangmai Thailand by UTMB - CHIANG DAO 100 | 160,93 | ×3 |
| ✓ 9 | 28/3/2025 | 6th Mt. Gaoligong Ultra 100 Miles | 160,93 | ×3 |
| ✓ 10 | 27/12/2019 | 1st Golden 100 Hong Kong - 100 Mile Run | 160,93 | ×3 |
| ✓ 11 | 28/11/2020 | 4th Yangxian Trail Challenge - 100km | 100,00 | ×2 |
| ✓ 12 | 5/1/2019 | 2nd Maoming Dianbai 100km Trail Race | 100,00 | ×2 |
| ✓ 13 | 6/1/2024 | 1st Big Eagles Endurance Challenge | 79,80 | ×1 |
| ✓ 14 | 1/11/2025 | 2nd Maclehose Trail Warm-up Race Quartet | 57,00 | ×1 |
| ✓ 15 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×1 |
| ✓ 16 | 26/11/2017 | 1st Heyuan Trail Run Race | 50,00 | ×1 |