Kok-Chew Toh
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Born : 1969
Cat. M55 Ultrarunner since 2018
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
5
Countries visited ?
Australia
Hong Kong
MalaysiaSingapore
Thailand
AustraliaHong KongMalaysiaSingaporeThailand79,4%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 3 154; Σ finishers = 3 974. 3 154 / 3 974 × 100 = 79.37%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races609 km
Longest race100,0 km
2nd Merapoh Rainforest Trail - 100 km — 3/6/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road8,2%
Trail91,8%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 29.06 | 50km | 3rd Ultra Trail Singapore |
7:59:52 h | 179 |
| 2023 | ||||
| 09.12 | 50km | 4th Doi Inthanon Thailand by UTMB - HMONG 50 |
13:06:19 h | 1157 |
| 03.06 | 100km | 2nd Merapoh Rainforest Trail - 100 km |
22:10:25 h | 67 |
| 2022 | ||||
| 29.10 | 100km | 14th Ultra-Trail Australia 100 km |
19:37:51 h | 880 |
| 16.07 | 55km | 6th Cameron 55 km Ultra Trail |
12:22:54 h | 191 |
| 2019 | ||||
| 09.11 | 52km | 3rd TransNT 57 km Run |
13:07:16 h | 200 |
| 15.09 | 52km | 3rd Janda Baik Ultra 50 km |
8:08:19 h | 86 |
| 05.05 | 50km | 2nd Forest Force 50 |
7:38:08 h | 133 |
| 23.03 | 50km | 3rd Gopeng Ultra Trail 50 km |
9:29:59 h | 175 |
| 2018 | ||||
| 21.07 | 16h | 8th Twilight Ultra Challenge |
50.000 km | 96 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/6/2023 | 2nd Merapoh Rainforest Trail - 100 km | 100,00 | ×4 |
| ✓ 2 | 29/10/2022 | 14th Ultra-Trail Australia 100 km | 100,00 | ×4 |
| ✓ 3 | 16/7/2022 | 6th Cameron 55 km Ultra Trail | 55,00 | ×2 |
| ✓ 4 | 9/11/2019 | 3rd TransNT 57 km Run | 52,00 | ×2 |
| ✓ 5 | 15/9/2019 | 3rd Janda Baik Ultra 50 km | 52,00 | ×2 |
| ✓ 6 | 29/6/2024 | 3rd Ultra Trail Singapore (UTSG) | 50,00 | ×2 |
| ✓ 7 | 9/12/2023 | 4th Doi Inthanon Thailand by UTMB - HMONG 50 | 50,00 | ×2 |
| ✓ 8 | 5/5/2019 | 2nd Forest Force 50 | 50,00 | ×2 |
| ✓ 9 | 23/3/2019 | 3rd Gopeng Ultra Trail 50 km | 50,00 | ×2 |
| ✓ 10 | 21/7/2018 | 8th Twilight Ultra Challenge | 50,00 | ×2 |