Seok-Beom (고석범) Go

Born : 1956 Cat. M70 Ultrarunner since 2007

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

Countries visited ?

South Korea

18,1%

Rank quotient ?This runner's calculation uses 71 eligible race(s): Σ(rank − 1) = 1 341; Σ finishers = 7 399. 1 341 / 7 399 × 100 = 18.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed75

Km — ultra races10 676 km

> 100 km33

> 160 km24

> 200 km10

Longest race624,0 km

7th Trans Korea 622K South To North — 5/7/2015

Km per year (ultra races)

112

2022

2023

2024

502

2025

100

2026

Race types (share of distance)

Road79,9%

Trail18,2%

Stage1,9%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 34

🏅 Top 3 M4

Longest winning streak1

Current streak0

Records

50 km5h30'50 100 km10h30'21 100 mi20h56'09

HISTORY

71 race(s)

Date		Race	Perf.	Rk
2026
07.03	100km	21st Busan Beach Ultramarathon 100km	14:09:00 h	56
2025
06.09	102km	19th Suncheon Bay 100 km Ultramarathon	14:33:00 h	55
14.06	100km	22nd Gwangju 100km Ultra Marathon	14:42:10 h	61
24.05	200km	24th Jeju-do around 200 km	32:50:20 h	21
08.03	100km	20th Busan Beach Ultramarathon 100km	13:26:00 h	52
2022
15.10	112km	9th Transjeju Int. Trail Run 100	21:12:13 h	94
2021
13.11	200km	20th Jeju-do around 200 km	29:24:10 h	13
06.11	50km	8th Transjeju Int. Trail Run 50	8:26:47 h	108
12.06	100km	18th Gwangju 100km Ultra Marathon	13:06:10 h	16
04.06	104km	16th Water Love Nagdong River Ultramarathon 104 km	12:38:00 h	11
2020
05.06	200km	15th Water Love Nagdong River Ultramarathon 200 km	32:33:00 h	15
30.05	100km	0. Seoul - Pyongyang Ultra Marathon	13:48:00 h	30
11.01	100km	16th Busan Beach Ultramarathon 100km	12:33:00 h	29
2019
19.10	100km	1st Seoul Ultra Trail 100K	19:23:46 h	17
12.10	110km	7th Transjeju Int. Trail Run 100	21:04:43 h	50
05.10	100km	2nd Cheonan Samgeori Ultramarathon - 100km	12:44:00 h	27
28.09	111km	7th Geoje Jimaek Trail Run - 111 km	26:26:57 h	43
17.08	100km	15th Busan Summer Beach 100 km Ultra Marathon	13:28:00 h	19
31.05	104km	14th Water Love Nagdong River Ultramarathon 104 km	13:30:00 h	3 🥉
26.04	222km	15th Pilgrimage to the Holy Land 222 km Ultramarathon	39:17:00 h	12
09.03	200km	18th Jeju-do around 200 km	28:20:35 h	6
13.01	100km	15th Busan Beach Ultramarathon 100km	11:46:00 h	10
2018
17.11	100km	3rd Busan Gulls Ultra Marathon - 100km	11:33:00 h	9
20.10	111km	6th Transjeju Int. Trail Run 100	19:04:35 h	28
07.09	103km/3stages	3rd DMZ Ultra Trail 100 km Stage Race	14:11:49 h	21
04.08	50km	6th Gangjin Ultra Marathon	5:30:50 h	6
26.05	100km	6th Geoje Jimaek Trail Run - 100 km	24:35:55 h	30
21.04	100km	8th Budda 108K Ultramarathon	13:03:17 h	12
2017
18.11	100km	2nd Busan Gulls Ultra Marathon - 100km	11:25:00 h	7
14.10	100km	5th Transjeju Int. Trail Run 100	16:55:30 h	18
01.09	100km/3stages	2nd DMZ Ultra Trail 100 km Stage Race	13:21:23 h	15
12.08	100km	2nd Yang Yang Int. Trailrun 100km	14:44:00 h	27
02.06	200km	12th Water Love Nagdong River Ultramarathon 200 km	32:06:00 h	10
2016
26.11	100km	Ultra Trail Mt. Halla	16:40:49 h	8
22.09	312km	17th Trans Korea 312 km West to East	2d 08:47:00 h	9
03.09	100mi	2nd Seomjingang 100 mile	23:40:00 h	5
03.07	537km	8th Trans Korea 537K South to North	5d 02:36:00 h	16
18.06	100km	7th Ulsan Taewha River 100 km Ultramarathon	12:35:46 h	29
03.06	200km	11th Water Love Nagdong River Ultramarathon	30:23:00 h	8
21.05	100km	2nd Jeonju 100km Ultra Marathon	11:50:00 h	22
14.05	100km	11th Daejeon Yusung Hot spring Ultramarathon	12:50:00 h	11
29.04	222km	12th Pilgrimage to the Holy Land 222 km Ultramarathon	36:24:00 h	6
20.02	100km	12th Busan Beach Ultramarathon 100km	11:34:00 h	5
2015
21.11	100km	KUMF 100km Cup	10:40:15 h	25
14.11	100km	Ultra Trail Mt. Halla	17:41:21 h	7
17.09	312km	16th Trans Korea 312 km West to East	2d 09:09:00 h	7
25.07	100km	13th Gwangju 100km Ultra Marathon	12:50:52 h	25
05.07	624km	7th Trans Korea 622K South To North	6d 01:17:00 h	12
02.05	200km	14th Jeju-do around 200 km	28:45:08 h	6
2014
26.09	308km	15th Trans Korea 308 km West to East	2d 07:22:00 h	9
25.04	222km	10th Pilgrimage to the Holy Land 222 km Ultramarathon	35:59:00 h	11
05.04	200km	13th Jeju-do around 200 km	27:50:50 h	7
2013
05.10	100km	7th Suncheon Bay 100 km Ultramarathon	13:34:50 h	32
26.09	308km	14th Trans Korea 308 km West to East	2d 06:23:00 h	10
13.04	100km	11th Cheongnamdae 100km Ultra Marathon	12:13:00 h	39
06.04	200km	12th Jeju-do around 200 km	30:47:55 h	4
26.01	100km	9th Busan Beach Ultramarathon 100km	11:58:00 h	8
2012
06.10	100km	9. Yangyang Song-I 100 km Ultramarathon	12:07:00 h	5
27.04	222km	8th Pilgrimage to the Holy Land 222 km Ultramarathon	38:30:00 h	14
21.04	108km	Budda 108K Ultramarathon	13:27:08 h	17
07.04	200km	11th Jeju-do around 200 km	26:47:22 h	7
2011
26.03	100km	10th Jeju City 100 km	10:30:21 h	20
2010
02.10	100km	5th Gangjin Ultra Marathon	11:19:00 h	11
12.06	100km	8th Gwangju 100km Ultra Marathon	11:30:08 h	20
27.03	200km	9th Jeju-do around 200 km	27:04:45 h	3 🥉
2009
05.09	100km	4th Gangjin Ultra Marathon	11:35:00 h	14
13.06	100km	7th Gwangju 100km Ultra Marathon	11:29:10 h	18
2008
01.11	100mi	5th Chungju Lake 100 Miles	20:56:09 h	1 🏆
10.05	100km	2nd Incheon Kanghwa Ultramarathon Festival - 100 km	10:43:16 h	3 🥉
2007
04.08	100km	2nd Gangjin Ultra Marathon	12:15:39 h	19
31.03	200km	6th Jeju-do around 200 km	29:33:00 h	8

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/7/2015	7th Trans Korea 622K South To North	624,00	×6
✓ 2	3/7/2016	8th Trans Korea 537K South to North	537,00	×5
✓ 3	22/9/2016	17th Trans Korea 312 km West to East	312,00	×3
✓ 4	17/9/2015	16th Trans Korea 312 km West to East	312,00	×3
✓ 5	26/9/2014	15th Trans Korea 308 km West to East	308,00	×3
✓ 6	26/9/2013	14th Trans Korea 308 km West to East	308,00	×3
✓ 7	26/4/2019	15th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 8	29/4/2016	12th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 9	25/4/2014	10th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 10	27/4/2012	8th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 11	24/5/2025	24th Jeju-do around 200 km	200,00	×2
✓ 12	13/11/2021	20th Jeju-do around 200 km	200,00	×2
✓ 13	5/6/2020	15th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 14	9/3/2019	18th Jeju-do around 200 km	200,00	×2
✓ 15	2/6/2017	12th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 16	3/6/2016	11th Water Love Nagdong River Ultramarathon	200,00	×2
✓ 17	2/5/2015	14th Jeju-do around 200 km	200,00	×2
✓ 18	5/4/2014	13th Jeju-do around 200 km	200,00	×2
✓ 19	6/4/2013	12th Jeju-do around 200 km	200,00	×2
✓ 20	7/4/2012	11th Jeju-do around 200 km	200,00	×2
✓ 21	27/3/2010	9th Jeju-do around 200 km	200,00	×2
✓ 22	31/3/2007	6th Jeju-do around 200 km	200,00	×2
✓ 23	3/9/2016	2nd Seomjingang 100 mile	160,93	×1
✓ 24	1/11/2008	5th Chungju Lake 100 Miles	160,93	×1
✓ 25	15/10/2022	9th Transjeju Int. Trail Run 100	112,00	×1
✓ 26	28/9/2019	7th Geoje Jimaek Trail Run - 111 km	111,00	×1
✓ 27	20/10/2018	6th Transjeju Int. Trail Run 100	111,00	×1
✓ 28	12/10/2019	7th Transjeju Int. Trail Run 100	110,00	×1
✓ 29	21/4/2012	Budda 108K Ultramarathon	108,00	×1
✓ 30	4/6/2021	16th Water Love Nagdong River Ultramarathon 104 km	104,00	×1
✓ 31	31/5/2019	14th Water Love Nagdong River Ultramarathon 104 km	104,00	×1
✓ 32	7/9/2018	3rd DMZ Ultra Trail 100 km Stage Race	103,00	×1
✓ 33	6/9/2025	19th Suncheon Bay 100 km Ultramarathon	102,00	×1
✓ 34	7/3/2026	21st Busan Beach Ultramarathon 100km	100,00	×1
✓ 35	14/6/2025	22nd Gwangju 100km Ultra Marathon	100,00	×1
✓ 36	8/3/2025	20th Busan Beach Ultramarathon 100km	100,00	×1
✓ 37	12/6/2021	18th Gwangju 100km Ultra Marathon	100,00	×1
✓ 38	30/5/2020	0. Seoul - Pyongyang Ultra Marathon	100,00	×1
✓ 39	11/1/2020	16th Busan Beach Ultramarathon 100km	100,00	×1
✓ 40	19/10/2019	1st Seoul Ultra Trail 100K	100,00	×1
✓ 41	5/10/2019	2nd Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 42	17/8/2019	15th Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 43	13/1/2019	15th Busan Beach Ultramarathon 100km	100,00	×1
✓ 44	17/11/2018	3rd Busan Gulls Ultra Marathon - 100km	100,00	×1
✓ 45	26/5/2018	6th Geoje Jimaek Trail Run - 100 km	100,00	×1
✓ 46	21/4/2018	8th Budda 108K Ultramarathon	100,00	×1
✓ 47	18/11/2017	2nd Busan Gulls Ultra Marathon - 100km	100,00	×1
✓ 48	14/10/2017	5th Transjeju Int. Trail Run 100	100,00	×1
✓ 49	1/9/2017	2nd DMZ Ultra Trail 100 km Stage Race	100,00	×1
✓ 50	12/8/2017	2nd Yang Yang Int. Trailrun 100km	100,00	×1
✓ 51	26/11/2016	Ultra Trail Mt. Halla (UTMH)	100,00	×1
✓ 52	18/6/2016	7th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 53	21/5/2016	2nd Jeonju 100km Ultra Marathon	100,00	×1
✓ 54	14/5/2016	11th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 55	20/2/2016	12th Busan Beach Ultramarathon 100km	100,00	×1
✓ 56	21/11/2015	KUMF 100km Cup	100,00	×1
✓ 57	14/11/2015	Ultra Trail Mt. Halla (UTMH)	100,00	×1
✓ 58	25/7/2015	13th Gwangju 100km Ultra Marathon	100,00	×1
✓ 59	5/10/2013	7th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 60	13/4/2013	11th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 61	26/1/2013	9th Busan Beach Ultramarathon 100km	100,00	×1
✓ 62	6/10/2012	9. Yangyang Song-I 100 km Ultramarathon	100,00	×1
✓ 63	26/3/2011	10th Jeju City 100 km	100,00	×1
✓ 64	2/10/2010	5th Gangjin Ultra Marathon	100,00	×1
✓ 65	12/6/2010	8th Gwangju 100km Ultra Marathon	100,00	×1
✓ 66	5/9/2009	4th Gangjin Ultra Marathon	100,00	×1
✓ 67	13/6/2009	7th Gwangju 100km Ultra Marathon	100,00	×1
✓ 68	10/5/2008	2nd Incheon Kanghwa Ultramarathon Festival - 100 km	100,00	×1
✓ 69	4/8/2007	2nd Gangjin Ultra Marathon	100,00	×1
70	6/11/2021	8th Transjeju Int. Trail Run 50	50,00	—
71	4/8/2018	6th Gangjin Ultra Marathon	50,00	—