Te-Chiang (張德強) Chang
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
53,9%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 708; Σ finishers = 3 169. 1 708 / 3 169 × 100 = 53.90%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races873 km
Longest race100,0 km
5th Zhenxibao (Cinsbu) 100 km Ultramarathon — 8/1/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/1/2017 | 5th Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 22/3/2015 | 4th National Taipei University 12H Ultra Marathon | 92,10 | ×3 |
| ✓ 3 | 21/1/2024 | 10th Zhenxibao (Cinsbu) 50 Mile Ultramarathon II | 80,47 | ×3 |
| ✓ 4 | 8/1/2023 | 9th Zhenxibao (Cinsbu) 50 Mile Ultramarathon II | 80,47 | ×3 |
| ✓ 5 | 20/1/2019 | 7th Zhenxibao (Cinsbu) 80 km Ultramarathon II | 80,00 | ×3 |
| ✓ 6 | 24/1/2016 | 4th Zhenxibao (Cinsbu) 75 km Ultramarathon | 75,00 | ×2 |
| ✓ 7 | 24/3/2013 | 3rd National Taipei University 12H Ultra Marathon | 74,28 | ×2 |
| ✓ 8 | 28/4/2024 | 9th National Taipei University 12H Ultra Marathon | 62,73 | ×2 |
| ✓ 9 | 13/5/2023 | 8th National Taipei University 12H Ultra Marathon | 62,63 | ×2 |
| ✓ 10 | 19/3/2017 | 6th National Taipei University 12H Ultra Marathon | 62,39 | ×2 |
| ✓ 11 | 24/12/2022 | 6th Bei-yi Freeway Ultra Marathon | 55,00 | ×2 |
| ✓ 12 | 12/4/2026 | 10th National Taipei University 8H Ultra Marathon | 47,79 | ×1 |