Chien-Feng (孔建豐) Kung
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
2
Countries visited ?
Japan
Taiwan
15,2%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 765; Σ finishers = 5 021. 765 / 5 021 × 100 = 15.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 065 km
Longest race100,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road83,4%
Trail4,7%
Stage11,9%
HISTORY
16 race(s) · 2 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/3/2016 | 6th Southern Cross-Island Highway 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 26/7/2015 | 5th North Okhotsk 100 km Marathon | 100,00 | ×3 |
| ✓ 3 | 24/1/2016 | 4th Zhenxibao (Cinsbu) 75 km Ultramarathon | 75,00 | ×2 |
| ✓ 4 | 28/2/2015 | 2nd Jiumei Ultramarathon | 72,00 | ×2 |
| ✓ 5 | 26/4/2014 | 1st Jiumei Ultramarathon | 70,70 | ×2 |
| ✓ 6 | 19/6/2016 | 2nd Kuanwu Ultramarathon | 69,00 | ×2 |
| ✓ 7 | 26/1/2014 | 1st Yizai Jincheng 6h Ultramarathon | 67,68 | ×2 |
| ✓ 8 | 22/12/2013 | 1st Shei-Pa ultramarathon | 58,00 | ×2 |
| ✓ 9 | 2/1/2016 | 4th Jhen-wu-shan UltraMaraton | 56,00 | ×2 |
| ✓ 10 | 26/12/2015 | 2nd Chupei 6h Track UltraMarathon | 55,83 | ×2 |
| ✓ 11 | 14/2/2015 | 4th Taipei 12hr Ultra Marathon | 55,44 | ×2 |
| ✓ 12 | 25/1/2015 | 3rd Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 13 | 23/2/2014 | 2nd Zhenxibao (Cinsbu) 54 km Ultramarathon | 54,00 | ×2 |
| ✓ 14 | 14/11/2015 | 2nd MSIG Taiwan Action Asia 50 | 50,00 | ×1 |