En-Yie (James) Ling
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8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
Malaysia
50,7%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 215; Σ finishers = 2 397. 1 215 / 2 397 × 100 = 50.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races479 km
Longest race100,0 km
4th Cameron 100 km Ultra Trail — 27/7/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,9%
Trail79,1%
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 17.01 | 56km | 13:41:39 h | 781 | |
| 2023 | ||||
| 12.02 | 12h | 60.000 km | 19 | |
| 2020 | ||||
| 16.02 | 12h | 60.000 km | 16 | |
| 2019 | ||||
| 27.07 | 100km | 25:34:55 h | 136 | |
| 30.06 | 50km | 9:46:57 h | 17 | |
| 2018 | ||||
| 29.04 | 50km | 6:29:37 h | 71 | |
| 2017 | ||||
| 17.12 | 53km | 8:43:07 h | 108 | |
| 16.04 | 50km | 6:42:56 h | 75 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/7/2019 | 4th Cameron 100 km Ultra Trail | 100,00 | ×5 |
| ✓ 2 | 12/2/2023 | 8th Gunung Nuang Endurance 12 hour Run | 60,00 | ×3 |
| ✓ 3 | 16/2/2020 | 7th Gunung Nuang Endurance 12 hour Run | 60,00 | ×3 |
| ✓ 4 | 17/1/2025 | 15th Hong Kong 100 Ultra Trail Race - Half | 56,00 | ×2 |
| ✓ 5 | 17/12/2017 | 1st Janda Baik Ultra 53 km | 53,00 | ×2 |
| ✓ 6 | 30/6/2019 | 5th King of Kampung Kemensah 50 km | 50,00 | ×2 |
| ✓ 7 | 29/4/2018 | 4th Route 68 Challenge - 50 km | 50,00 | ×2 |
| ✓ 8 | 16/4/2017 | 3rd Route 68 Challenge - 50 km | 50,00 | ×2 |