Lay-Nah (Yvonne) Ng
External sources
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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.
18
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
6
Countries visited ?
Japan
Malaysia
Singapore
Thailand
Taiwan
Vietnam
47,6%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 940; Σ finishers = 4 073. 1 940 / 4 073 × 100 = 47.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races439 km
Longest race65,0 km
2nd Formosa Trail 65km — 25/11/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
8 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/11/2017 | 2nd Formosa Trail 65km | 65,00 | ×3 |
| ✓ 2 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 | 58,00 | ×3 |
| ✓ 3 | 28/7/2018 | 3rd Cameron 55 km Ultra Trail | 55,00 | ×3 |
| ✓ 4 | 22/7/2017 | 2nd Cameron 55 km Ultra Trail | 55,00 | ×3 |
| ✓ 5 | 7/12/2024 | 1st Chiangmai Thailand by UTMB - HMONG 50 | 53,00 | ×2 |
| ✓ 6 | 18/12/2016 | 8th MR25 Cross Country Ultra Marathon | 52,50 | ×2 |
| ✓ 7 | 23/3/2024 | 1st Vietnam Ultra Marathon | 50,00 | ×2 |
| ✓ 8 | 25/11/2018 | 2nd MSIG Malaysia Action Asia 50 Janda Baik Pahang | 50,00 | ×2 |