Chun-Yuen (Anthony) Lau
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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 ?
Hong Kong
28,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 4 673; Σ finishers = 16 364. 4 673 / 16 364 × 100 = 28.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races838 km
Longest race100,0 km
15th Hong Kong 100 Ultra Trail Race — 18/1/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.12 | 55km | 10:17:55 h | 142 | |
| 18.01 | 100km | 19:27:34 h | 543 | |
| 2024 | ||||
| 28.11 | 100km | 24:54:57 h | 228 | |
| 11.10 | 50km | 10:24:59 h | 112 | |
| 2023 | ||||
| 24.02 | 100km | 26:32:31 h | 444 | |
| 2019 | ||||
| 01.03 | 100km | 29:40:11 h | 411 | |
| 2018 | ||||
| 13.10 | 76.1km | 19:36:33 h | 84 | |
| 2017 | ||||
| 17.11 | 100km | 24:40:36 h | 880 | |
| 07.10 | 57km | 15:40:41 h | 473 | |
| 2016 | ||||
| 18.11 | 100km | 26:33:01 h | 1366 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/1/2025 | 15th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 2 | 28/11/2024 | 43th Oxfam Trailwalker Hong Kong | 100,00 | ×4 |
| ✓ 3 | 24/2/2023 | 41th Oxfam Trailwalker Hong Kong | 100,00 | ×4 |
| ✓ 4 | 1/3/2019 | 8th TransLantau 100 Ultra Trail | 100,00 | ×4 |
| ✓ 5 | 17/11/2017 | 36th Oxfam Trailwalker Hong Kong | 100,00 | ×4 |
| ✓ 6 | 18/11/2016 | 35th Oxfam Trailwalker Hong Kong | 100,00 | ×4 |
| ✓ 7 | 13/10/2018 | 7th Raleigh Challenge Wilson Trail - Whole Course | 76,10 | ×3 |
| ✓ 8 | 7/10/2017 | 4th Convoy Totem Run | 57,00 | ×2 |
| ✓ 9 | 20/12/2025 | 10th The North Face 50 Hong Kong | 55,00 | ×2 |
| ✓ 10 | 11/10/2024 | 4th Kailas Fish N Sheep 50k | 50,00 | ×2 |