Young-Cho (장영조) Jang
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
6
Countries visited ?
Chile
Hong Kong
Japan
South Korea
Namibia
Vietnam
40,8%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 2 453; Σ finishers = 6 017. 2 453 / 6 017 × 100 = 40.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed27
Km — ultra races1 712 km
> 100 km4
> 160 km2
> 200 km2
Longest race250,0 km
Sahara Race Namibia — 1/5/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail62,5%
Stage37,5%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 27.02 | 142km/2stages | 29:31:38 h | 56 | |
| 2025 | ||||
| 17.10 | 150km | 28:10:59 h | 80 | |
| 2024 | ||||
| 18.05 | 50km | 8:00:46 h | 145 | |
| 26.04 | 70km | 13:47:50 h | 321 | |
| 2023 | ||||
| 07.10 | 100km | 20:33:31 h | 467 | |
| 20.05 | 100km | 16:41:36 h | 19 | |
| 29.04 | 50km | 9:16:08 h | 78 | |
| 2019 | ||||
| 19.05 | 50km | 6:02:36 h | 14 | |
| 2018 | ||||
| 26.05 | 100km | 21:19:01 h | 12 | |
| 2017 | ||||
| 14.10 | 50km | 7:31:39 h | 19 | |
| 23.09 | 100km | 19:43:47 h | 17 | |
| 02.09 | 50km | 8:10:38 h | 55 | |
| 20.05 | 100km | 21:27:16 h | 31 | |
| 14.01 | 100km | 22:33:57 h | 1014 | |
| 2016 | ||||
| 01.05 | 250km/6stages | 44:22:11 h | 90 | |
| 2014 | ||||
| 05.10 | 250km/6stages | 44:55:52 h | 51 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/5/2016 | Sahara Race Namibia | 250,00 | ×6 |
| ✓ 2 | 5/10/2014 | 10th Atacama Crossing | 250,00 | ×6 |
| ✓ 3 | 17/10/2025 | 12th TransJeju by UTMB - Jeju100M | 150,00 | ×4 |
| ✓ 4 | 27/2/2026 | 7th The 9 Dragons - 50/50 | 142,00 | ×3 |
| ✓ 5 | 7/10/2023 | 10th TransJeju by UTMB 100 | 100,00 | ×2 |
| ✓ 6 | 20/5/2023 | 5th TNF 100 Korea | 100,00 | ×2 |
| ✓ 7 | 26/5/2018 | 6th Geoje Jimaek Trail Run - 100 km | 100,00 | ×2 |
| ✓ 8 | 23/9/2017 | 5. Vietnam Mountain Marathon 100km | 100,00 | ×2 |
| ✓ 9 | 20/5/2017 | 2nd TNF 100 Korea | 100,00 | ×2 |
| ✓ 10 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×2 |
| ✓ 11 | 26/4/2024 | 3rd KAI 70k | 70,00 | ×1 |
| ✓ 12 | 18/5/2024 | 6th TNF 50 Korea | 50,00 | ×1 |
| ✓ 13 | 29/4/2023 | 8th Korea 50K | 50,00 | ×1 |
| ✓ 14 | 19/5/2019 | 4th TNF 50 Korea | 50,00 | ×1 |
| ✓ 15 | 14/10/2017 | 5th Transjeju Int. Trail Run 50 km | 50,00 | ×1 |
| ✓ 16 | 2/9/2017 | 2nd DMZ Ultra Trail 50 km | 50,00 | ×1 |