Iam-Tong (Derek) (王蔭堂) Wong
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
29,9%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 3 391; Σ finishers = 11 325. 3 391 / 11 325 × 100 = 29.94%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 496 km
> 100 km2
> 160 km2
Longest race168,0 km
6th HK168 - 168 km ultra-endurance race — 30/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road3,3%
Trail96,7%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/11/2018 | 6th HK168 - 168 km ultra-endurance race | 168,00 | ×5 |
| ✓ 2 | 30/12/2017 | 3rd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile | 162,00 | ×4 |
| ✓ 3 | 14/12/2019 | 7th The North Face 100 Hong Kong | 100,00 | ×3 |
| ✓ 4 | 12/10/2019 | 2nd Ultramarathon de Sai Kung | 100,00 | ×3 |
| ✓ 5 | 16/11/2018 | 37th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 6 | 2/3/2018 | 7th TransLantau 100 Ultra Trail | 100,00 | ×3 |
| ✓ 7 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 8 | 11/3/2016 | 5th TransLantau 100 Ultra Trail | 100,00 | ×3 |
| ✓ 9 | 19/1/2013 | 3rd Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 10 | 13/10/2018 | 7th Raleigh Challenge Wilson Trail - Whole Course | 76,10 | ×2 |
| ✓ 11 | 1/12/2019 | 8th MSIG Lantau 50 | 50,00 | ×1 |
| ✓ 12 | 3/12/2017 | 6th MSIG Lantau 50 | 50,00 | ×1 |
| ✓ 13 | 21/10/2017 | 7th MSIG HK50 | 50,00 | ×1 |
| ✓ 14 | 10/12/2016 | 4th The North Face 50 Hong Kong | 50,00 | ×1 |
| ✓ 15 | 23/10/2016 | 6th MSIG HK50 | 50,00 | ×1 |
| ✓ 16 | 1/3/2015 | 1st Rotary HK Ultra Marathon 50 km | 50,00 | ×1 |
| ✓ 17 | 1/10/2018 | 2nd Ferei Maclehose Trail Dark 45 | 45,00 | ×1 |
| ✓ 18 | 18/10/2014 | 45km Midnight Express | 45,00 | ×1 |