Jeffry Lawrence
External sources
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
3
Countries visited ?
Hong Kong
Indonesia
Malaysia
65,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 764; Σ finishers = 2 679. 1 764 / 2 679 × 100 = 65.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 541 km
> 100 km4
> 160 km1
Longest race160,9 km
5th Borneo Ultra Trail Marathon BUTM - 100 Mile — 14/3/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road5,8%
Trail94,2%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/3/2020 | 5th Borneo Ultra Trail Marathon BUTM - 100 Mile | 160,93 | ×4 |
| ✓ 2 | 24/7/2026 | 8th Kadamaian Adventure Race - KAR Ultra 100mi | 157,00 | ×4 |
| ✓ 3 | 27/7/2024 | 6th Kadamaian Adventure Race | 110,00 | ×3 |
| ✓ 4 | 14/9/2024 | 12th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon | 109,00 | ×3 |
| ✓ 5 | 9/5/2025 | 3th BTR Ultra | 100,00 | ×2 |
| ✓ 6 | 19/10/2024 | 6th Ultimate Trails of Penang 100 km | 100,00 | ×2 |
| ✓ 7 | 3/11/2023 | 6th Malaysia Mountain Trail Festival - 100km | 100,00 | ×2 |
| ✓ 8 | 14/9/2019 | 9th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon | 100,00 | ×2 |
| ✓ 9 | 24/8/2019 | 5th The Magnificent Merapoh Trail (TMMT) 100 km | 100,00 | ×2 |
| ✓ 10 | 23/3/2019 | 3rd Gopeng Ultra Trail 100 km | 100,00 | ×2 |
| ✓ 11 | 9/3/2019 | 4th Borneo Ultra Trail Marathon BUTM - 100 km | 100,00 | ×2 |
| ✓ 12 | 29/2/2020 | 1st Borneo Four Feathers Ultra Marathon 90km | 90,00 | ×2 |
| ✓ 13 | 14/12/2019 | 2nd Malaysia Mountain Trail Festival - 84KM Ultra Challenge | 84,00 | ×2 |
| ✓ 14 | 20/9/2025 | 4th Himalaya Sports TransNaning Ultra Challenge 68km | 66,00 | ×1 |
| ✓ 15 | 29/3/2025 | 10th Lantau Trail race 70k | 64,50 | ×1 |