Chih-Jen (邱志仁) Chiu
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
26,6%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 814; Σ finishers = 3 063. 814 / 3 063 × 100 = 26.58%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races589 km
Longest race100,0 km
2nd Yilan Dongshan River 100km Ultra-Marathon — 30/11/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
HISTORY
9 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/11/2013 | 2nd Yilan Dongshan River 100km Ultra-Marathon | 100,00 | ×4 |
| ✓ 2 | 24/3/2013 | 3rd National Taipei University 12H Ultra Marathon | 74,28 | ×3 |
| ✓ 3 | 9/1/2016 | 4th Yangmingshan 66km Ultra Marathon | 66,00 | ×3 |
| ✓ 4 | 28/12/2014 | 3rd Yangmingshan Ultra Marathon | 66,00 | ×3 |
| ✓ 5 | 29/12/2012 | 2nd Yangmingshan Ultra Marathon | 61,00 | ×2 |
| ✓ 6 | 22/10/2017 | 1st Spread in the wind ultramarathon | 60,00 | ×2 |
| ✓ 7 | 22/12/2013 | 1st Shei-Pa ultramarathon | 58,00 | ×2 |
| ✓ 8 | 5/5/2012 | 1st Bei-yi Freeway Ultra Marathon | 53,50 | ×2 |
| ✓ 9 | 17/11/2013 | 3rd Flex Power National 50K Track Taipei | 50,00 | ×2 |