Hsin-Chang (賴信彰) Lai
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
74,4%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 4 187; Σ finishers = 5 625. 4 187 / 5 625 × 100 = 74.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races921 km
Longest race100,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,6%
Trail5,4%
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/3/2017 | 7th Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 25/11/2016 | 5th Yilan Dongshan River 100km Ultra-Marathon Night Run | 100,00 | ×3 |
| ✓ 3 | 12/3/2016 | 6th Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 4 | 26/12/2015 | 2nd Chupei 12h Track UltraMarathon | 81,60 | ×3 |
| ✓ 5 | 21/1/2018 | 6th Zhenxibao (Cinsbu) 80 km Ultramarathon | 80,00 | ×3 |
| ✓ 6 | 8/1/2017 | 5th Zhenxibao (Cinsbu) 80 km Ultramarathon | 80,00 | ×3 |
| ✓ 7 | 23/10/2016 | 1st Shudder Sheipa Ultramarathon - 70km | 70,00 | ×2 |
| ✓ 8 | 22/10/2017 | 1st Spread in the wind ultramarathon | 60,00 | ×2 |
| ✓ 9 | 25/1/2015 | 3rd Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 10 | 5/8/2017 | Fenjei Ancient Trail 50 | 50,00 | ×1 |
| ✓ 11 | 24/1/2016 | 4th Zhenxibao (Cinsbu) 50 km Ultramarathon I | 50,00 | ×1 |
| ✓ 12 | 26/2/2012 | Hua-shan 50K Ultra Marathon | 50,00 | ×1 |
| ✓ 13 | 17/10/2010 | Hengchun Airport ultra marathon | 45,60 | ×1 |