Mei-Ling (張美玲) Chang
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6
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
1
Countries visited ?
Taiwan
81,5%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 2 310; Σ finishers = 2 834. 2 310 / 2 834 × 100 = 81.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races436 km
Longest race100,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
HISTORY
6 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/3/2018 | 8th Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×5 |
| ✓ 2 | 24/11/2017 | 6th Yilan Dongshan River 100km Ultra-Marathon Night Run | 100,00 | ×5 |
| ✓ 3 | 8/1/2017 | 5th Zhenxibao (Cinsbu) 80 km Ultramarathon | 80,00 | ×4 |
| ✓ 4 | 2/1/2016 | 4th Jhen-wu-shan UltraMaraton | 56,00 | ×2 |
| ✓ 5 | 21/2/2016 | 1st Blue Whale Ultramarathon 50 km | 50,00 | ×2 |
| ✓ 6 | 24/1/2016 | 4th Zhenxibao (Cinsbu) 50 km Ultramarathon | 50,00 | ×2 |