Man-Yoon (장만윤) Jang
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Born : 1966
Cat. M60 Ultrarunner since 2016
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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 ?South Korea
South Korea41,3%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 897; Σ finishers = 7 014. 2 897 / 7 014 × 100 = 41.30%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 138 km
> 100 km3
Longest race124,0 km
5th High Trail Nine Peaks - 9 Peaks — 30/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 25.04 | 50km | 11th Korea 50K |
12:07:22 h | 502 |
| 2025 | ||||
| 18.10 | 107km | 12th TransJeju by UTMB - Jeju100K |
24:59:17 h | 602 |
| 20.09 | 110km | 7th Seoul Ultra Trail 100K |
21:12:05 h | 107 |
| 26.04 | 50km | 10th Korea 50K |
10:24:59 h | 300 |
| 2024 | ||||
| 12.10 | 100km | 11th TransJeju by UTMB 100 |
22:23:59 h | 443 |
| 27.04 | 50km | 9th Korea 50K |
8:47:38 h | 140 |
| 2023 | ||||
| 27.10 | 86km | 7th High Trail Nine Peaks - 7 Peaks |
23:29:19 h | 34 |
| 21.10 | 52km | 5th Seoul Ultra Trail 50K |
9:44:19 h | 98 |
| 07.10 | 52km | 10th TransJeju by UTMB 50 |
7:47:20 h | 186 |
| 03.06 | 50km | 10th Geoje Jimaek Trail Run - 50 km |
8:14:00 h | 36 |
| 29.04 | 50km | 8th Korea 50K |
9:06:55 h | 65 |
| 2022 | ||||
| 27.10 | 45km | 6th High Trail Nine Peaks - 5 Peaks |
10:32:49 h | 151 |
| 17.09 | 50km | 7th Korea 50K |
11:20:17 h | 69 |
| 2021 | ||||
| 30.10 | 124km | 5th High Trail Nine Peaks - 9 Peaks |
35:35:39 h | 76 |
| 2018 | ||||
| 14.04 | 52km | 3rd Six Mountain Range (Sanjongju) 52km |
11:56:00 h | 3 🥉 |
| 2016 | ||||
| 03.09 | 50km | 1st DMZ Ultra Trail 50 km |
5:49:04 h | 14 |
| 24.04 | 59.5km | 2nd Korea 50K |
11:19:18 h | 88 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/10/2021 | 5th High Trail Nine Peaks - 9 Peaks | 124,00 | ×4 |
| ✓ 2 | 20/9/2025 | 7th Seoul Ultra Trail 100K | 110,00 | ×3 |
| ✓ 3 | 18/10/2025 | 12th TransJeju by UTMB - Jeju100K | 107,00 | ×3 |
| ✓ 4 | 12/10/2024 | 11th TransJeju by UTMB 100 | 100,00 | ×3 |
| ✓ 5 | 27/10/2023 | 7th High Trail Nine Peaks - 7 Peaks | 86,00 | ×3 |
| ✓ 6 | 24/4/2016 | 2nd Korea 50K | 59,50 | ×2 |
| ✓ 7 | 21/10/2023 | 5th Seoul Ultra Trail 50K | 52,00 | ×1 |
| ✓ 8 | 7/10/2023 | 10th TransJeju by UTMB 50 | 52,00 | ×1 |
| ✓ 9 | 14/4/2018 | 3rd Six Mountain Range (Sanjongju) 52km | 52,00 | ×1 |
| ✓ 10 | 25/4/2026 | 11th Korea 50K | 50,00 | ×1 |
| ✓ 11 | 26/4/2025 | 10th Korea 50K | 50,00 | ×1 |
| ✓ 12 | 27/4/2024 | 9th Korea 50K | 50,00 | ×1 |
| ✓ 13 | 3/6/2023 | 10th Geoje Jimaek Trail Run - 50 km | 50,00 | ×1 |
| ✓ 14 | 29/4/2023 | 8th Korea 50K | 50,00 | ×1 |
| ✓ 15 | 17/9/2022 | 7th Korea 50K | 50,00 | ×1 |
| ✓ 16 | 3/9/2016 | 1st DMZ Ultra Trail 50 km | 50,00 | ×1 |
| ✓ 17 | 27/10/2022 | 6th High Trail Nine Peaks - 5 Peaks | 45,00 | ×1 |