Yu-Chi (賴宥吉) Lai
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
27,4%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 099; Σ finishers = 4 012. 1 099 / 4 012 × 100 = 27.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races551 km
> 100 km1
Longest race101,8 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road81,8%
Trail18,2%
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2014 | ||||
| 23.02 | 100km | 12:58:53 h | 106 | |
| 2013 | ||||
| 14.04 | 100km | 13:39:44 h | 105 | |
| 2012 | ||||
| 05.05 | 53.5km | 6:14:39 h | 213 | |
| 25.03 | 12h | 101.760 km | 68 | |
| 26.02 | 50km | 5:19:27 h | 227 | |
| 2011 | ||||
| 28.05 | 100km | 12:43:24 h | 149 | |
| 2010 | ||||
| 17.10 | 45.6km | 4:29:33 h | 238 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/3/2012 | 2nd National Taipei University 12H Ultra Marathon | 101,76 | ×4 |
| ✓ 2 | 23/2/2014 | 2nd Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 14/4/2013 | 1st Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 28/5/2011 | 1st Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 5/5/2012 | 1st Bei-yi Freeway Ultra Marathon | 53,50 | ×2 |
| ✓ 6 | 26/2/2012 | Hua-shan 50K Ultra Marathon | 50,00 | ×2 |
| ✓ 7 | 17/10/2010 | Hengchun Airport ultra marathon | 45,60 | ×2 |