Ching-Hang (賴清航) Lai
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
27,9%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 204; Σ finishers = 4 323. 1 204 / 4 323 × 100 = 27.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races772 km
> 100 km2
Longest race120,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 15.04 | 110km | 13:35:45 h | 7 | |
| 2016 | ||||
| 12.03 | 120km | 13:56:25 h | 39 | |
| 2015 | ||||
| 09.10 | 48km | 4:47:47 h | 50 | |
| 25.01 | 100km | 11:20:33 h | 53 | |
| 2014 | ||||
| 18.10 | 51km | 5:12:05 h | 48 | |
| 26.04 | 70.7km | 8:46:59 h | 37 | |
| 23.02 | 100km | 13:13:04 h | 119 | |
| 2013 | ||||
| 22.12 | 58km | 8:24:05 h | 375 | |
| 2012 | ||||
| 29.12 | 61km | 8:24:08 h | 242 | |
| 05.05 | 53.5km | 6:22:33 h | 244 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/3/2016 | 6th Southern Cross-Island Highway 120 km Ultra Marathon | 120,00 | ×4 |
| ✓ 2 | 15/4/2017 | 3rd The Northern Cross Ultramarathon - 110 km | 110,00 | ×4 |
| ✓ 3 | 25/1/2015 | 3rd Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 23/2/2014 | 2nd Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 5 | 26/4/2014 | 1st Jiumei Ultramarathon | 70,70 | ×2 |
| ✓ 6 | 29/12/2012 | 2nd Yangmingshan Ultra Marathon | 61,00 | ×2 |
| ✓ 7 | 22/12/2013 | 1st Shei-Pa ultramarathon | 58,00 | ×2 |
| ✓ 8 | 5/5/2012 | 1st Bei-yi Freeway Ultra Marathon | 53,50 | ×2 |
| ✓ 9 | 18/10/2014 | 3rd Jhen-wu-shan UltraMaraton | 51,00 | ×2 |
| ✓ 10 | 9/10/2015 | 1st Jhushan Ultramarathon | 48,00 | ×1 |