Seong-Bok (전성복) Jeon
Born : 1958 Cat. M65 Ultrarunner since 2007 KOR
43
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
46,8%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 4 440; Σ finishers = 9 478. 4 440 / 9 478 × 100 = 46.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43
Km — ultra races4 505 km
> 100 km5
> 160 km2
Longest race200,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road64,3%
Trail35,7%

HISTORY

43 race(s)
DateRacePerf.Rk
2016
20.08 100km KOR12th Busan Summer Beach 100 km Ultra Marathon 14:07:48 h65
06.08 100km KOR3rd Geumcheongu Ultramarathon 15:44:00 h140
03.06 200km KOR11th Water Love Nagdong River Ultramarathon 35:22:00 h43
21.05 100km KOR2nd Jeonju 100km Ultra Marathon 12:56:00 h42
2015
10.10 101km KOR9th Youngdong Dried Persimmon Ultramarathon 13:36:43 h68
15.08 100km KOR11th Busan Summer Beach 100 km Ultra Marathon 13:17:24 h69
25.07 100km KOR13th Gwangju 100km Ultra Marathon 13:52:30 h44
27.06 95km KORChilgapsan Soybean Ultra Marathon 14:22:00 h12
23.05 100km KOR8th Bukhangang 100 km Ultra Marathon Race 12:52:00 h51
2014
21.06 100km KOR5th Ulsan Taewha River 100 km Ultramarathon 13:09:05 h89
06.06 200km KOR9th Water Love Nagdong River Ultramarathon 35:42:00 h74
24.05 100km KOR7th Bukhangang 100 km Ultra Marathon Race 13:35:31 h97
12.04 100km KOR12th Cheongnamdae 100km Ultra Marathon 15:27:00 h344
2013
14.09 100km KORYoungcheon Starfire Ultramarathon 14:21:30 h117
08.06 100km KOR11th Gwangju 100km Ultra Marathon 14:44:25 h204
25.05 100km KOR9th Daejeon Yusung Hot spring Ultramarathon 15:38:03 h247
26.01 100km KOR9th Busan Beach Ultramarathon 100km 13:40:00 h43
2012
13.10 101km KOR6th Youngdong Dried Persimmon Ultramarathon 13:38:53 h116
15.09 100km KOR6th Suncheon Bay 100 km Ultramarathon 14:53:00 h98
18.08 100km KOR8th Busan Summer Beach 100 km Ultra Marathon 15:15:02 h180
16.06 100km KOR3rd Ulsan Taewha River 100 km Ultramarathon 15:41:06 h179
02.06 100km KOR5th Pilgrimage To the Holy Land 100km Ultramarathon 12:49:00 h60
12.05 100km KOR6th Pohang Yeongilman Ultra Marathon 100 km 12:28:50 h59
14.04 100km KOR10th Cheongnamdae 100km Ultra Marathon 13:25:00 h128
2011
08.10 100km KOR5th Youngdong Dried Persimmon Ultramarathon 13:29:33 h97
20.08 100km KOR7th Busan Summer Beach 100 km Ultra Marathon 12:31:05 h71
18.06 100km KOR6th Palgongsan 100 km Ultramarathon 14:57:49 h13
21.05 100km KOR7th Daejeon Yusung Hot spring Ultramarathon 13:56:00 h125
07.05 100km KOR4th Pilgrimage To the Holy Land 100km Ultramarathon 13:09:00 h46
23.04 108km KORBudda 108K Ultramarathon 14:47:55 h37
2010
09.10 100km KOR4th Youngdong Dried Persimmon Ultramarathon 15:54:43 h235
21.08 100km KOR6th Busan Summer Beach 100 km Ultra Marathon 14:01:33 h134
12.06 100km KOR8th Gwangju 100km Ultra Marathon 14:20:05 h165
29.05 100km KOR1st Ulsan Taewha River 100 km Ultramarathon 13:40:59 h184
10.04 100km KOR8th Cheongnamdae 100km Ultra Marathon 13:42:00 h124
06.03 100km KOR4th Gyeongsan 100km Ultra Marathon 14:05:36 h25
2009
10.10 100km KOR3rd Youngdong Dried Persimmon Ultramarathon 15:38:28 h143
2008
27.09 100km KOR2nd Suncheon Bay 100 km Ultramarathon 13:25:33 h75
16.08 100km KOR4th Busan Summer Beach 100 km Ultra Marathon 12:42:21 h109
10.05 100km KOR2nd Pohang Yeongilman Ultra Marathon 100 km 12:01:59 h51
2007
15.09 100km KOR1st Suncheon Bay 100 km Ultramarathon 13:48:20 h86
30.06 100km KOR3rd Palgongsan 100 km Ultramarathon 13:42:00 h118
12.05 100km KOR1st Pohang Yeongilman Ultra Marathon 100 km 12:47:01 h76