Cho-Tat (Jack) Ng
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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 ?
Malaysia
60,3%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 317; Σ finishers = 2 184. 1 317 / 2 184 × 100 = 60.30%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races802 km
Longest race100,0 km
9th Route 68 Challenge - 100 km — 2/3/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road56,4%
Trail43,6%
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 02.03 | 100km | 17:20:39 h | 52 | |
| 2020 | ||||
| 29.02 | 100km | 17:07:52 h | 68 | |
| 2018 | ||||
| 28.07 | 100km | 27:23:18 h | 146 | |
| 12.05 | 100km | 26:54:45 h | 70 | |
| 13.01 | 12h | 50.000 km | 108 | |
| 06.01 | 16h | 50.000 km | 188 | |
| 2017 | ||||
| 22.07 | 100km | 27:44:46 h | 152 | |
| 18.03 | 100km | 16:54:17 h | 151 | |
| 2016 | ||||
| 10.12 | 52km | 8:44:05 h | 224 | |
| 08.10 | 50km | 12:25:04 h | 168 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/3/2024 | 9th Route 68 Challenge - 100 km | 100,00 | ×4 |
| ✓ 2 | 29/2/2020 | 3rd Langkawi 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 28/7/2018 | 3rd Cameron 100 km Ultra Trail | 100,00 | ×4 |
| ✓ 4 | 12/5/2018 | 4th Ultimate Trails Of Penang Eco 100 km | 100,00 | ×4 |
| ✓ 5 | 22/7/2017 | 2nd Cameron 100 km Ultra Trail | 100,00 | ×4 |
| ✓ 6 | 18/3/2017 | 4th TITI 100km Road Ultra Marathon | 100,00 | ×4 |
| ✓ 7 | 10/12/2016 | 1st UiTM Ultramarathon | 52,00 | ×2 |
| ✓ 8 | 13/1/2018 | 1st Run For It X 12 Hour Challenge | 50,00 | ×2 |
| ✓ 9 | 6/1/2018 | 5th Watergate 16hr | 50,00 | ×2 |
| ✓ 10 | 8/10/2016 | 1st Cameron 50 km Ultra Trail | 50,00 | ×2 |