Woo-Seong (주우성) Ju
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Born : 1971
Cat. M55 Ultrarunner since 2016
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
4
Countries visited ?
Hong Kong
Italy
JapanSouth Korea
Hong KongItalyJapanSouth Korea46,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 3 427; Σ finishers = 7 373. 3 427 / 7 373 × 100 = 46.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 062 km
> 100 km3
Longest race112,0 km
9th Transjeju Int. Trail Run 100 — 15/10/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road9,4%
Trail90,6%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 07.10 | 100km | 10th TransJeju by UTMB 100 |
18:13:09 h | 286 |
| 03.06 | 50km | 10th Geoje Jimaek Trail Run - 50 km |
9:10:08 h | 81 |
| 29.04 | 50km | 8th Korea 50K |
10:00:46 h | 128 |
| 2022 | ||||
| 15.10 | 112km | 9th Transjeju Int. Trail Run 100 |
18:20:14 h | 49 |
| 2018 | ||||
| 20.10 | 111km | 6th Transjeju Int. Trail Run 100 |
21:23:06 h | 57 |
| 12.05 | 50km | 4th Mt. Hiei Int. 50 km Trail Run |
8:38:21 h | 130 |
| 21.04 | 58km | 4th Korea 50K |
11:52:14 h | 175 |
| 2017 | ||||
| 10.12 | 71.7km | 4th Izu Trail Journey |
11:45:43 h | 465 |
| 05.08 | 100km | 4th Geumcheongu Ultramarathon 100 km |
14:52:00 h | 48 |
| 20.05 | 100km | 2nd TNF 100 Korea |
22:52:36 h | 39 |
| 21.04 | 58km | 3rd Korea 50K |
11:30:17 h | 143 |
| 14.01 | 100km | 7th Hong Kong 100 Ultra Trail Race |
19:45:50 h | 718 |
| 2016 | ||||
| 26.08 | 101km | 11ème Courmayeur-Champex-Chamonix |
25:37:08 h | 1121 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/10/2022 | 9th Transjeju Int. Trail Run 100 | 112,00 | ×3 |
| ✓ 2 | 20/10/2018 | 6th Transjeju Int. Trail Run 100 | 111,00 | ×3 |
| ✓ 3 | 26/8/2016 | 11ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×3 |
| ✓ 4 | 7/10/2023 | 10th TransJeju by UTMB 100 | 100,00 | ×3 |
| ✓ 5 | 5/8/2017 | 4th Geumcheongu Ultramarathon 100 km | 100,00 | ×3 |
| ✓ 6 | 20/5/2017 | 2nd TNF 100 Korea | 100,00 | ×3 |
| ✓ 7 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 8 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 9 | 21/4/2018 | 4th Korea 50K | 58,00 | ×2 |
| ✓ 10 | 21/4/2017 | 3rd Korea 50K | 58,00 | ×2 |
| ✓ 11 | 3/6/2023 | 10th Geoje Jimaek Trail Run - 50 km | 50,00 | ×1 |
| ✓ 12 | 29/4/2023 | 8th Korea 50K | 50,00 | ×1 |
| ✓ 13 | 12/5/2018 | 4th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |