Yung-Fai (張榕輝) Cheung
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Born : 1973
Cat. M50 Ultrarunner since 2018
9
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
2
Countries visited ?Hong Kong
Thailand
Hong KongThailand22,2%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 573; Σ finishers = 7 086. 1 573 / 7 086 × 100 = 22.20%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races573 km
Longest race100,0 km
43th Oxfam Trailwalker Hong Kong — 28/11/2024
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 | |
|---|---|---|---|---|
| 2025 | ||||
| 06.12 | 48km | 2nd Chiangmai Thailand by UTMB - HMONG 50-DAY |
7:59:24 h | 271 |
| 16.11 | 53km | 12th TransLantau 50 by UTMB |
11:10:20 h | 229 |
| 2024 | ||||
| 28.11 | 100km | 43th Oxfam Trailwalker Hong Kong |
24:50:04 h | 226 |
| 11.10 | 50km | 4th Kailas Fish N Sheep 50k |
10:56:50 h | 136 |
| 29.03 | 66km | 4th 4TUL 66km Half Loop |
11:43:00 h | 27 |
| 2023 | ||||
| 21.10 | 56km | 2nd Touge Fifty 56km |
12:26:56 h | 37 |
| 18.02 | 100km | 13th Hong Kong 100 Ultra Trail Race |
19:14:54 h | 296 |
| 2019 | ||||
| 12.01 | 50km | 26th Green Power Hike |
7:41:17 h | 112 |
| 2018 | ||||
| 03.02 | 50km | 25th Green Power Hike |
8:44:24 h | 248 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/11/2024 | 43th Oxfam Trailwalker Hong Kong | 100,00 | ×4 |
| ✓ 2 | 18/2/2023 | 13th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 3 | 29/3/2024 | 4th 4TUL 66km Half Loop | 66,00 | ×3 |
| ✓ 4 | 21/10/2023 | 2nd Touge Fifty 56km | 56,00 | ×2 |
| ✓ 5 | 16/11/2025 | 12th TransLantau 50 by UTMB | 53,00 | ×2 |
| ✓ 6 | 11/10/2024 | 4th Kailas Fish N Sheep 50k | 50,00 | ×2 |
| ✓ 7 | 12/1/2019 | 26th Green Power Hike | 50,00 | ×2 |
| ✓ 8 | 3/2/2018 | 25th Green Power Hike | 50,00 | ×2 |
| ✓ 9 | 6/12/2025 | 2nd Chiangmai Thailand by UTMB - HMONG 50-DAY | 48,00 | ×2 |