Young-Jun (서영준) Seo
Born : 1988 Cat. M35 Ultrarunner since 2010 KOR
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?KORSouth Korea
74,3%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 5 230; Σ finishers = 7 038. 5 230 / 7 038 × 100 = 74.31%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races4 399 km
> 100 km5
> 160 km2
> 200 km2
Longest race312,0 km

Km per year (ultra races)

2022
50
1 race
2023
70
1 race
2024
2025
2026

Race types (share of distance)

Road73,3%
Trail26,7%

HISTORY

41 race(s)
DateRacePerf.Rk
2024
28.09 70km KOR4th Jangsu Trail - September 16:49:52 h79
2023
19.08 50km KOR19th Busan Summer Beach 50 km Ultra Marathon 8:03:39 h140
2020
23.05 100km KOR3rd Mungyeong 100 km Ultra Marathon 16:55:00 h141
2017
18.11 100km KOR2nd Busan Gulls Ultra Marathon - 100km 15:26:00 h52
21.09 312km KOR18th Trans Korea 312 km West to East 2d 15:08:00 h62
09.09 100km KOR11th Suncheon Bay 100 km Ultramarathon 14:29:15 h78
19.08 100km KOR13th Busan Summer Beach 100 km Ultra Marathon 15:11:36 h106
12.08 100km KOR2nd Yang Yang Int. Trailrun 100km 17:26:00 h84
05.08 100km KOR4th Geumcheongu Ultramarathon 100 km 16:01:00 h90
13.05 100km KOR12th Daejeon Yusung Hot spring Ultramarathon 15:34:00 h147
08.04 100km KOR15th Cheongnamdae 100km Ultra Marathon 14:44:00 h261
01.04 100km KOR6th SeJong Ultramarathon 14:25:00 h98
2016
03.12 100km KOR1st Busan Gulls Ultra Marathon - 100km 14:25:00 h53
08.10 101km KOR10th Youngdong Dried Persimmon Ultramarathon 15:29:48 h365
03.09 100km KOR2nd Seomjingang 100 km 15:28:00 h15
20.08 100km KOR12th Busan Summer Beach 100 km Ultra Marathon 14:09:22 h67
13.08 103km KOR1st Yang Yang Int. Trailrun 100km 17:29:00 h36
06.08 100km KOR3rd Geumcheongu Ultramarathon 15:36:00 h129
21.05 100km KOR2nd Jeonju 100km Ultra Marathon 15:18:00 h142
09.04 100km KOR14th Cheongnamdae 100km Ultra Marathon 14:44:00 h244
26.03 100km KOR5th SeJong Ultramarathon 15:12:00 h112
2015
31.10 100km KOR9th Suncheon Bay 100 km Ultramarathon 15:38:35 h106
10.10 101km KOR9th Youngdong Dried Persimmon Ultramarathon 15:37:42 h232
17.09 312km KOR16th Trans Korea 312 km West to East 2d 11:45:00 h33
05.09 100km KORDaejeon 100km Ultra 13:45:10 h11
15.08 100km KOR11th Busan Summer Beach 100 km Ultra Marathon 14:54:14 h159
08.08 100km KOR2nd Geumcheongu Ultramarathon 14:55:00 h107
25.07 100km KOR13th Gwangju 100km Ultra Marathon 15:37:32 h120
09.05 100km KOR10th Daejeon Yusung Hot spring Ultramarathon 14:29:00 h150
18.04 100km KOR5th Budda 108K Ultramarathon 15:36:23 h136
28.03 100km KOR4th SeJong Ultramarathon 13:39:00 h87
2014
15.11 100km KOR2nd Cheonju pilgrimage 100 km Ultramarathon 14:50:29 h31
30.08 100km KOR8th Incheon Kanghwa Ultramarathon Festival 13:51:00 h144
16.08 100km KOR10th Busan Summer Beach 100 km Ultra Marathon 15:37:01 h205
26.07 50km KOR1st Happy Leg Ultramarathon 6:36:00 h111
14.06 100km KOR12th Gwangju 100km Ultra Marathon 14:50:10 h162
24.05 100km KOR7th Bukhangang 100 km Ultra Marathon Race 15:50:44 h242
2013
05.10 100km KOR7th Suncheon Bay 100 km Ultramarathon 14:50:15 h66
17.08 100km KOR9th Busan Summer Beach 100 km Ultra Marathon 14:57:58 h217
2011
20.08 100km KOR7th Busan Summer Beach 100 km Ultra Marathon 14:46:14 h188
2010
21.08 100km KOR6th Busan Summer Beach 100 km Ultra Marathon 15:36:20 h263