Sung-Jae (박성재) Park
Born : 1989 Cat. M35 Ultrarunner since 2022 KOR
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
49
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 ?CHNChinaFRAFranceHKGHong KongJPNJapanKORSouth KoreaTHAThailand
25,7%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 3 555; Σ finishers = 13 830. 3 555 / 13 830 × 100 = 25.70%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 739 km
> 100 km11
> 160 km1
Longest race170,0 km

Km per year (ultra races)

124
1 race
2022
641
6 races
2023
983
11 races
2024
641
6 races
2025
350
4 races
2026

Race types (share of distance)

Road14,2%
Trail83,9%
Stage1,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2026
06.06 100km KOR1st Hanlasan 100km 15:32:22 h15
16.05 100km KOR8th Oxfam Trailwalker Korea 13:57:18 h2 🥈
25.04 50km KOR11th Korea 50K 8:10:32 h47
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 16:16:55 h471
2025
05.12 90km THA2nd Chiangmai Thailand by UTMB - ELEPHANT 100 15:39:32 h107
14.11 120km HKG12th TransLantau 120 by UTMB 22:42:18 h35
18.10 107km KOR12th TransJeju by UTMB - Jeju100K 15:50:48 h27
16.05 103.7km CHN1st Ultra-Trail Great Wall by UTMB - 100K 16:28:42 h89
20.04 120km JPN35th Fuji 5 Lakes Sparta Challenge 12:12:55 h75
08.03 100km KOR20th Busan Beach Ultramarathon 100km 8:48:00 h1 🏆
2024
07.12 93km THA1st Chiangmai Thailand by UTMB - ELEPHANT 100 17:54:34 h155
08.11 129km HKG11th TransLantau 120 by UTMB 28:51:59 h80
25.10 121km KOR8th High Trail Nine Peaks - 9 Peaks 27:36:55 h13
12.10 100km KOR11th TransJeju by UTMB 100 14:19:08 h16
28.09 100km KOR4th Jangsu Trail - September 17:13:48 h10
07.09 50km KOR1st Dynafit Taebaek Trail 6:43:40 h10
15.06 50km KOR13th Ulsan Taewha River 50 km Ultramarathon 6:05:10 h63
25.05 100km KOR6th Oxfam Trailwalker Korea 34:31:10 h370
27.04 50km KOR9th Korea 50K 8:01:30 h74
21.04 120km JPN34th Fuji 5 Lakes Sparta Challenge 11:55:58 h18
06.04 70km KOR3rd Jangsu Trail - April 11:19:52 h11
2023
21.10 110km KOR5th Seoul Ultra Trail 100K 17:51:38 h14
07.10 100km KOR10th TransJeju by UTMB 100 13:32:43 h38
01.09 170km FRA20ème Ultra Trail Tour du Mont Blanc 44:34:42 h1417
03.06 111km KOR10th Geoje Jimaek Trail Run - 111 km 17:52:11 h5
20.05 100km KOR5th Oxfam Trailwalker Korea 35:31:09 h311
29.04 50km KOR8th Korea 50K 9:25:07 h91
2022
27.10 124km KOR6th High Trail Nine Peaks - 9 Peaks 30:36:38 h18