Cheng-Shuang (黃成雙) Huang
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 ?
Taiwan
59,4%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 3 766; Σ finishers = 6 342. 3 766 / 6 342 × 100 = 59.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races501 km
Longest race83,2 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/3/2016 | 5th National Taipei University 12H Ultra Marathon | 83,19 | ×4 |
| ✓ 2 | 26/1/2014 | 1st Yizai Jincheng 6h Ultramarathon | 55,09 | ×2 |
| ✓ 3 | 20/1/2019 | 7th Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 4 | 21/1/2018 | 6th Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 5 | 25/1/2015 | 3rd Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 6 | 23/2/2014 | 2nd Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 7 | 31/1/2014 | 7th Tainan Branch Friendship Cup Chinese New Year Marathon | 54,00 | ×2 |
| ✓ 8 | 22/3/2015 | 4th National Taipei University 12H Ultra Marathon | 47,54 | ×2 |
| ✓ 9 | 7/3/2015 | 5th Southern Cross-Island Highway 45 km Ultra Marathon | 45,00 | ×2 |