Yuan-Yan (赖远衍) Lai
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Born : 1987
Cat. M35 Ultrarunner since 2015
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
2
Countries visited ?China
Hong Kong
ChinaHong Kong75,2%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 4 216; Σ finishers = 5 606. 4 216 / 5 606 × 100 = 75.21%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races604 km
Longest race100,0 km
8th Hong Kong 100 Ultra Trail Race — 27/1/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 20.10 | 53km | 1st Ultra Trail Huangpu |
11:26:16 h | 143 |
| 2018 | ||||
| 30.06 | 50km | 2nd Longji Ultra Trail Running Race - 50 km |
10:44:40 h | 70 |
| 03.06 | 50km | 3rd Guangzhou longdong Trail 50 |
11:50:26 h | 119 |
| 31.03 | 51km | 3rd Conghua CH50 - 51 km Run |
13:45:43 h | 156 |
| 27.01 | 100km | 8th Hong Kong 100 Ultra Trail Race |
22:55:33 h | 1038 |
| 2017 | ||||
| 14.05 | 50km | 2nd Guangzhou longdong Trail 50 |
12:39:36 h | 171 |
| 14.01 | 100km | 7th Hong Kong 100 Ultra Trail Race |
23:19:35 h | 1145 |
| 2016 | ||||
| 06.03 | 50km | 1st Conghua CH50 |
11:01:50 h | 101 |
| 2015 | ||||
| 17.01 | 100km | 5th Hong Kong 100 Ultra Trail Race |
29:01:04 h | 1282 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/1/2018 | 8th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 2 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 3 | 17/1/2015 | 5th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 4 | 20/10/2019 | 1st Ultra Trail Huangpu | 53,00 | ×2 |
| ✓ 5 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×2 |
| ✓ 6 | 30/6/2018 | 2nd Longji Ultra Trail Running Race - 50 km | 50,00 | ×2 |
| ✓ 7 | 3/6/2018 | 3rd Guangzhou longdong Trail 50 | 50,00 | ×2 |
| ✓ 8 | 14/5/2017 | 2nd Guangzhou longdong Trail 50 | 50,00 | ×2 |
| ✓ 9 | 6/3/2016 | 1st Conghua CH50 | 50,00 | ×2 |