Chan-Jin (정찬진) Jeong
Born : 1960 Cat. M65 Ultrarunner since 2006 KOR
100
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
100
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
46,9%
Rank quotient ?This runner's calculation uses 191 eligible race(s): Σ(rank − 1) = 12 254; Σ finishers = 26 110. 12 254 / 26 110 × 100 = 46.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed191
Km — ultra races23 654 km
> 100 km56
> 160 km32
> 200 km17
Longest race622,0 km

Km per year (ultra races)

788
8 races
2022
502
5 races
2023
652
7 races
2024
402
4 races
2025
100
1 race
2026

Race types (share of distance)

Road84,5%
Trail15,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 313
🏅 Top 3 M15
Longest winning streak1
Current streak0

HISTORY

191 race(s)
DateRacePerf.Rk
2026
07.03 100km KOR21st Busan Beach Ultramarathon 100km 15:31:00 h101
2025
06.09 102km KOR19th Suncheon Bay 100 km Ultramarathon 17:00:00 h170
14.06 100km KOR22nd Gwangju 100km Ultra Marathon 15:57:50 h113
17.05 100km KOR3rd Seoul Hangang Ultra Marathon 100km 15:02:41 h301
19.04 100km KOR1st Asan Sinjeongho International Ultramarathon 17:34:23 h56
2024
28.09 100km KOR5th Cheonan Samgeori Ultramarathon - 100km 14:54:40 h75
07.09 102km KOR18th Suncheon Bay 100 km Ultramarathon 16:37:00 h117
29.06 50km KOR4th Mungyeong 50 km Ultra Marathon 6:41:29 h56
09.06 100km KOR21st Gwangju 100km Ultra Marathon 15:45:10 h128
31.05 100km KOR19th Water Love Nagdong River Ultramarathon 100 km 17:02:00 h29
18.05 100km KOR2nd Seoul Hangang Ultra Marathon 100km 14:50:00 h161
11.05 100km KOR17th Daejeon Yusung Hot spring 100 km Ultramarathon 15:29:00 h90
2023
14.10 100km KOR4th Cheonan Samgeori Ultramarathon - 100km 13:54:16 h33
02.09 102km KOR17th Suncheon Bay 100 km Ultramarathon 15:29:00 h44
10.06 100km KOR20th Gwangju 100km Ultra Marathon 17:35:00 h157
13.05 100km KOR16th Daejeon Yusung Hot spring 100 km Ultramarathon 13:58:00 h78
04.03 100km KOR18th Busan Beach Ultramarathon 100km 13:32:00 h44
2022
01.10 100km KOR15th Daejeon Yusung Hot spring 100 km Ultramarathon 16:37:00 h66
24.09 100km KOR3rd Cheonan Samgeori Ultramarathon - 100km 16:32:10 h117
11.06 100km KOR19th Gwangju 100km Ultra Marathon 16:44:00 h53
28.05 100km KOR2nd Seoul - Pyongyang Ultra Marathon - 100 km 16:36:00 h154
30.04 12h KORKUMF 12H Cup 88.000 km26
09.04 100km KOR18th Cheongnamdae 100km Ultra Marathon 14:02:00 h78
02.04 100km KOR9th SeJong Ultramarathon 16:15:00 h164
12.03 100km KOR17th Busan Beach Ultramarathon 100km 13:45:00 h25
2021
13.11 101.3km KOR20th Jeju City 100 km 13:56:21 h49
12.06 100km KOR18th Gwangju 100km Ultra Marathon 13:48:50 h19
29.05 100km KOR1st Seoul - Pyongyang Ultra Marathon - 100 km 13:35:50 h25
01.05 12h KORKUMF 12H Cup 82.650 km28
03.04 100km KOR8th SeJong Ultramarathon 13:43:00 h66
2020
05.06 200km KOR15th Water Love Nagdong River Ultramarathon 200 km 35:22:00 h43
30.05 100km KOR0. Seoul - Pyongyang Ultra Marathon 12:59:00 h15
23.05 100km KOR3rd Mungyeong 100 km Ultra Marathon 13:42:00 h37
11.01 100km KOR16th Busan Beach Ultramarathon 100km 15:34:00 h121
2019
23.11 100km KOR10. KUMF 100km Cup 14:47:00 h72
09.11 100km KOR2nd Tongyeong Ultra Marathon - 100km 15:55:00 h133
12.10 101km KOR13th Youngdong Dried Persimmon Ultramarathon 15:43:00 h166
05.10 100km KOR2nd Cheonan Samgeori Ultramarathon - 100km 15:17:00 h123
19.09 308km KOR20th Trans Korea 308 km West to East 2d 14:47:00 h55
10.08 100km KOR4th Yang Yang Int. Trailrun 100km 18:50:00 h134
03.08 100km KOR6th Geumcheongu Ultramarathon 100 km 16:36:00 h93
08.06 100km KOR17th Gwangju 100km Ultra Marathon 15:35:40 h118
31.05 200km KOR14th Water Love Nagdong River Ultramarathon 200 km 32:34:00 h18
25.05 100km KOR2nd Mungyeong 100 km Ultra Marathon 15:30:00 h121
18.05 100km KOR1st Cheongpung Cultural Ultra Marathon 16:03:00 h218
11.05 100km KOR14th Daejeon Yusung Hot spring 100 km Ultramarathon 14:52:00 h48
04.05 12h KORKUMF 12H Cup 82.620 km22
26.04 222km KOR15th Pilgrimage to the Holy Land 222 km Ultramarathon 36:32:00 h8
20.04 100km KOR9th Budda 108K Ultramarathon 13:55:00 h34
14.04 100km KOR17th Cheongnamdae 100km Ultra Marathon 11:09:00 h17
06.04 100km KOR7th SeJong Ultramarathon 11:20:00 h10
13.01 100km KOR15th Busan Beach Ultramarathon 100km 15:48:00 h111
2018
24.11 100km KOR9. KUMF 100km Cup 11:27:00 h25
17.11 100km KOR3rd Busan Gulls Ultra Marathon - 100km 14:28:00 h41
13.10 101km KOR12h Youngdong Dried Persimmon Ultramarathon 14:51:00 h118
07.10 105km KOR1st Cheonan Samgeori Ultramarathon - 105km 15:57:00 h180
13.09 311km KOR19th Trans Korea 311 km West to East 2d 14:58:00 h73
01.09 100km KOR12th Suncheon Bay 100 km Ultramarathon 15:30:46 h109
25.08 102km KOR12th Incheon Kanghwa Ultramarathon Festival - 100 km 15:33:00 h150
11.08 102km KOR3rd Yang Yang Int. Trailrun 100km 16:37:00 h50
04.08 100km KOR5th Seoul Heat Ultra Marathon - 100 km 15:40:00 h27
28.07 100km KOR1st Tongyeong Ultra Marathon - 100km 15:33:00 h137
16.06 100km KOR9th Ulsan Taewha River 100 km Ultramarathon 12:34:40 h56
09.06 100km KOR16th Gwangju 100km Ultra Marathon 14:38:50 h68
01.06 200km KOR13th Water Love Nagdong River Ultramarathon 200 km 34:00:00 h19
26.05 100km KOR1st Mungyeong 100 km Ultra Marathon 12:52:00 h48
19.05 100km KOR4th Jeonju 100km Ultra Marathon 13:34:00 h66
12.05 100km KOR13th Daejeon Yusung Hot spring Ultramarathon 15:33:55 h81
05.05 12h KORKUMF 12H Cup 101.310 km7
27.04 222km KOR14th Pilgrimage to the Holy Land 222 km Ultramarathon 39:36:00 h8
21.04 100km KOR8th Budda 108K Ultramarathon 13:48:04 h31
14.04 100km KOR16th Cheongnamdae 100km Ultra Marathon 14:41:00 h294
10.03 100km KOR17th Jeju City 100 km 13:48:51 h55
03.03 100km KOR14th Busan Beach Ultramarathon 100km 11:19:00 h6
2017
25.11 100km KOR8. KUMF 100km Cup 11:35:00 h28
18.11 100km KOR2nd Busan Gulls Ultra Marathon - 100km 11:12:00 h6
14.10 100km KOR3rd Jeonju 100km Ultra Marathon 14:55:00 h99
21.09 312km KOR18th Trans Korea 312 km West to East 2d 13:52:00 h39
09.09 100km KOR11th Suncheon Bay 100 km Ultramarathon 14:59:15 h112
12.08 100km KOR2nd Yang Yang Int. Trailrun 100km 17:44:00 h91
05.08 100km KOR4th Geumcheongu Ultramarathon 100 km 14:10:00 h28
10.06 100km KOR15th Gwangju 100km Ultra Marathon 12:46:10 h28
02.06 200km KOR12th Water Love Nagdong River Ultramarathon 200 km 30:42:00 h7
27.05 100km KOR1st Park Love Ultra Marathon 14:04:52 h24
13.05 100km KOR12th Daejeon Yusung Hot spring Ultramarathon 15:37:00 h156
05.05 12h KORKUMF 12H Cup 114.350 km3 🥉
28.04 222km KOR13th Pilgrimage to the Holy Land 222 km Ultramarathon 40:46:00 h30
15.04 100km KOR7th Budda 108K Ultramarathon 15:36:00 h119
08.04 100km KOR15th Cheongnamdae 100km Ultra Marathon 14:38:00 h246
01.04 100km KOR6th SeJong Ultramarathon 14:06:00 h90
18.02 100km KOR13th Busan Beach Ultramarathon 100km 15:35:00 h115
2016
03.12 100km KOR1st Busan Gulls Ultra Marathon - 100km 10:07:00 h6
19.11 100km KOR7. KUMF 100km Cup 9:32:26 h6
08.10 101km KOR10th Youngdong Dried Persimmon Ultramarathon 11:24:57 h12
22.09 312km KOR17th Trans Korea 312 km West to East 2d 10:44:00 h22
03.09 100mi KOR2nd Seomjingang 100 mile 24:19:00 h7
27.08 102km KOR10th Incheon Kanghwa Ultramarathon Festival - 100 km 13:33:00 h71
13.08 103km KOR1st Yang Yang Int. Trailrun 100km 15:40:00 h12
06.08 100km KOR3rd Geumcheongu Ultramarathon 14:01:00 h48
18.06 100km KOR7th Ulsan Taewha River 100 km Ultramarathon 14:33:17 h127
11.06 100km KOR14th Gwangju 100km Ultra Marathon 14:06:28 h68
03.06 200km KOR11th Water Love Nagdong River Ultramarathon 34:50:00 h38
21.05 100km KOR2nd Jeonju 100km Ultra Marathon 10:19:20 h2 🥈
14.05 100km KOR11th Daejeon Yusung Hot spring Ultramarathon 15:59:00 h130
29.04 222km KOR12th Pilgrimage to the Holy Land 222 km Ultramarathon 37:01:00 h9
23.04 200km KOR15th Jeju-do around 200 km 27:05:44 h2 🥈
16.04 100km KOR6th Budda 108K Ultramarathon 14:47:55 h50
02.04 12h KORKUMF 12H Cup 81.000 km21
26.03 100km KOR5th SeJong Ultramarathon 14:05:00 h87
20.02 100km KOR12th Busan Beach Ultramarathon 100km 14:23:00 h82
2015
21.11 100km KORKUMF 100km Cup 10:59:05 h34
08.08 100km KOR2nd Geumcheongu Ultramarathon 14:14:00 h71
23.05 100km KOR8th Bukhangang 100 km Ultra Marathon Race 11:53:00 h21
16.05 100km KOR11th Cheonjinam Ultra Marathon Festival - 100 km 12:10:00 h19
04.04 12h KORKUMF 12H Cup - Group A Run 102.020 km4
28.03 100km KOR4th SeJong Ultramarathon 13:01:00 h68
2014
15.11 100km KORKUMF 100km Cup 9:27:39 h5
09.08 101km KOR1st Geumcheon Ultramarathon 101 km 13:46:07 h55
02.08 100km KORJeonmahyeop Ultramarathon 10:41:05 h2 🥈
26.07 50km KOR1st Happy Leg Ultramarathon 5:38:00 h32
21.06 100km KOR5th Ulsan Taewha River 100 km Ultramarathon 12:19:24 h53
14.06 100km KOR12th Gwangju 100km Ultra Marathon 11:28:32 h17
06.06 200km KOR9th Water Love Nagdong River Ultramarathon 35:34:00 h70
10.05 100km KOR7th Pilgrimage To the Holy Land 100km Ultramarathon 11:49:00 h20
03.05 12h KORKUMF 12H Cup 101.600 km8
25.04 222km KOR10th Pilgrimage to the Holy Land 222 km Ultramarathon 32:23:00 h3 🥉
19.04 100km KORBudda 108K Ultramarathon 14:23:50 h104
12.04 100km KOR12th Cheongnamdae 100km Ultra Marathon 10:16:00 h4
05.04 200km KOR13th Jeju-do around 200 km 26:50:15 h3 🥉
22.03 100km KOR3rd SeJong Ultramarathon 10:17:00 h3 🥉
01.03 100km KOR10th Busan Beach Ultramarathon 100km 11:10:00 h5
2013
31.08 100km KOR7th Incheon Kanghwa Ultramarathon Festival 14:12:00 h205
08.06 100km KOR11th Gwangju 100km Ultra Marathon 12:56:15 h67
01.06 200km KOR8th Water Love Nagdong River Ultramarathon 28:49:00 h4
25.05 100km KOR10th Cheonjinam Ultra Marathon Festival - 100 km 13:22:33 h31
04.05 12h KORKUMF 12H Cup 120.400 km1 🏆
26.04 222km KOR9th Pilgrimage to the Holy Land 222 km Ultramarathon 40:44:00 h40
20.04 108km KORBudda 108K Ultramarathon 14:48:15 h41
06.04 200km KOR12th Jeju-do around 200 km 33:07:53 h18
26.01 100km KOR9th Busan Beach Ultramarathon 100km 15:25:00 h96
2012
10.11 100km KORKUMF 100km Cup 9:28:43 h9
13.10 101km KOR6th Youngdong Dried Persimmon Ultramarathon 14:38:25 h188
06.10 100km KOR9. Yangyang Song-I 100 km Ultramarathon 12:31:00 h7
25.08 100km KOR6th Incheon Kanghwa Ultramarathon Festival 14:34:00 h150
18.08 12h KOR10th 7 to 7 Ultramarathon 80.000 km17
08.07 537km KOR6th Trans Korea 537K South to North 5d 04:33:00 h29
01.06 200km KOR7th Water Love Nagdong River Ultramarathon 32:44:00 h13
19.05 100km KOR8th Daejeon Yusung Hot spring Ultramarathon 10:10:34 h4
12.05 100km KOR6th Pohang Yeongilman Ultra Marathon 100 km 11:09:36 h19
05.05 12h KOR2nd Gangjin Ultra Marathon - 12h 80.640 km7
05.05 12h KORKUMF 12H Cup 101.600 km8
27.04 222km KOR8th Pilgrimage to the Holy Land 222 km Ultramarathon 38:38:00 h19
21.04 108km KORBudda 108K Ultramarathon 15:52:22 h79
14.04 100km KOR10th Cheongnamdae 100km Ultra Marathon 11:24:00 h17
18.02 100km KOR8th Busan Beach Ultramarathon 100km 14:26:00 h32
2011
12.11 100km KOR3. KUMF 100km Cup 10:35:00 h15
22.09 308km KOR12th Trans Korea 308 km West to East 2d 14:23:00 h63
22.08 12h KOR9th 7 to 7 Ultramarathon 90.000 km9
12.07 622km KOR5th Trans Korea 622K South To North 6d 02:46:00 h16
21.05 100km KOR7th Daejeon Yusung Hot spring Ultramarathon 12:59:00 h69
07.05 12h KORKUMF 12H Cup 120.200 km1 🏆
09.04 100km KOR9th Cheongnamdae 100km Ultra Marathon 13:41:00 h136
26.03 100km KOR10th Jeju City 100 km 9:14:40 h10
26.03 100km KOR2nd IAU 100km Asian Championship 9:14:40 h5
2010
14.11 100km KOR2. KUMF 100km Cup 8:42:21 h3 🥉
22.08 12h KOR8th 7 to 7 Ultramarathon 100.000 km14
12.06 100km KOR8th Gwangju 100km Ultra Marathon 14:24:22 h175
29.05 100km KOR1st Ulsan Taewha River 100 km Ultramarathon 15:00:05 h283
22.05 100km KOR7th Cheonjinam Ultra Marathon Festival - 100 km 11:23:00 h16
15.05 100km KOR6th Daejeon Yusung Hot spring Ultramarathon 12:40:55 h59
30.04 222km KOR6th Pilgrimage to the Holy Land 222 km Ultramarathon 40:22:00 h28
10.04 100km KOR8th Cheongnamdae 100km Ultra Marathon 12:31:00 h54
2009
24.09 308km KOR10th Trans Korea 308 km West to East 2d 14:58:00 h45
29.08 100km KOR8th Ham Fortification Ultra Marathon 100 km 9:32:59 h3 🥉
08.08 100mi KOR4th Seoul 100 Mile Ultra Marathon 21:12:00 h2 🥈
21.06 67km KOR7th 5 Mountain Runda Mountain Ultra Marathon 12:59:55 h293
06.06 100km KOR5th Daejeon Yusung Hot spring Ultramarathon 12:15:23 h43
11.04 200km KOR8th Jeju-do around 200 km 33:03:20 h26
2008
18.10 12h KOR12h race at IAU World Challenge, Seoul 100.484 km3 🥉
11.10 100km KOR2nd Youngdong Dried Persimmon Ultramarathon 12:34:06 h46
06.09 100km KOR5. Yangyang Song-I 100 km Ultramarathon 12:41:43 h9
15.06 67km KOR6th 5 Mountain Runda Mountain Ultra Marathon 12:51:30 h295
18.05 100km KOR5th Korea 100k Ultra Marathon Championship 9:17:05 h9
12.04 100km KOR6th Cheongnamdae 100km Ultra Marathon 15:05:00 h270
2007
03.11 100km KOR1st Youngdong Dried Persimmon Ultramarathon 14:55:50 h108
23.06 100km KOR4th Bukhangang 100 km Ultra Marathon Race 12:42:41 h57
19.05 215km KOR2nd East-West Unity 230km Ultra Marathon 40:28:00 h42
12.05 100km KOR1st Incheon Kanghwa Ultramarathon Festival 13:37:00 h68
14.04 100km KOR5th Cheongnamdae 100km Ultra Marathon 12:38:00 h93
2006
17.06 200km KOR1st Mulsarang Nagdong 200km Ultra Marathon 34:03:00 h57
15.04 100km KOR4th Cheongnamdae 100km Ultra Marathon 14:05:00 h308