Wai-Kok (Hanniel) Choong
External sources
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12
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
7
Countries visited ?
China
Hong Kong
Italy
Malaysia
Singapore
Taiwan
Vietnam
56,2%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 3 772; Σ finishers = 6 716. 3 772 / 6 716 × 100 = 56.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races884 km
> 100 km2
Longest race110,0 km
5th Ultimate Tsaigu Trail Kuocang - 110 km — 20/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 24.01 | 100km | 22:11:25 h | 1298 | |
| 2025 | ||||
| 27.06 | 50km | 11:28:19 h | 1491 | |
| 2024 | ||||
| 23.03 | 50km | 12:44:08 h | 118 | |
| 2022 | ||||
| 22.10 | 100km | 18:13:19 h | 24 | |
| 2019 | ||||
| 20.04 | 110km | 31:21:46 h | 197 | |
| 2018 | ||||
| 30.11 | 70km | 19:29:23 h | 78 | |
| 28.07 | 100km | 22:22:24 h | 49 | |
| 03.03 | 50km | 9:17:42 h | 224 | |
| 2017 | ||||
| 25.11 | 104km | 23:53:44 h | 35 | |
| 2016 | ||||
| 08.10 | 50km | 9:38:42 h | 26 | |
| 2014 | ||||
| 15.03 | 50km | 9:37:42 h | 222 | |
| 2013 | ||||
| 04.10 | 50km | 5:03:13 h | 22 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/4/2019 | 5th Ultimate Tsaigu Trail Kuocang - 110 km | 110,00 | ×4 |
| ✓ 2 | 25/11/2017 | 2nd Formosa Trail 100km | 104,00 | ×4 |
| ✓ 3 | 24/1/2026 | 16th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 4 | 22/10/2022 | 1st Ultra Trail Singapore (UTSG) | 100,00 | ×4 |
| ✓ 5 | 28/7/2018 | 3rd Cameron 100 km Ultra Trail | 100,00 | ×4 |
| ✓ 6 | 30/11/2018 | 1st Malaysia Mountain Trail Festival | 70,00 | ×2 |
| ✓ 7 | 27/6/2025 | 18^ Lavaredo Ultra Trail by UTMB - 50K | 50,00 | ×2 |
| ✓ 8 | 23/3/2024 | 1st Vietnam Ultra Marathon | 50,00 | ×2 |
| ✓ 9 | 3/3/2018 | 7th TransLantau 50 Ultra Trail | 50,00 | ×2 |
| ✓ 10 | 8/10/2016 | 1st Cameron 50 km Ultra Trail | 50,00 | ×2 |
| ✓ 11 | 15/3/2014 | 3rd TransLantau 50 Ultra Trail | 50,00 | ×2 |
| ✓ 12 | 4/10/2013 | The North Face 50 Singapore | 50,00 | ×2 |