Seong-Gi (심성기) Sim

ID 201967

Born : 1961 Cat. M65 Ultrarunner since 2002

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

43,6%

Rank quotient ?This runner's calculation uses 83 eligible race(s): Σ(rank − 1) = 4 341; Σ finishers = 9 961. 4 341 / 9 961 × 100 = 43.58%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed83

Km — ultra races10 182 km

> 100 km22

> 160 km14

> 200 km8

Longest race537,0 km

2nd Trans Korea 537K South to North — 11/7/2004

Km per year (ultra races)

100

2022

200

2023

2024

200

2025

2026

Race types (share of distance)

Road79,4%

Trail20,6%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 34

🏅 Top 3 M6

Longest winning streak1

Current streak0

Records

50 km6h55'00 100 km9h25'00 50 mi9h45'00 100 mi27h28'00 12 h100,00 km

HISTORY

83 race(s)

Date		Race	Perf.	Rk
2025
17.05	100km	3rd Seoul Hangang Ultra Marathon 100km	15:27:09 h	331
08.03	100km	20th Busan Beach Ultramarathon 100km	13:55:00 h	63
2023
18.11	100km	1st Seoul Hangang Ultra Marathon 100km	15:24:00 h	77
14.10	100km	4th Cheonan Samgeori Ultramarathon - 100km	14:49:53 h	61
2022
01.10	100km	15th Daejeon Yusung Hot spring 100 km Ultramarathon	16:02:00 h	50
2021
29.05	100km	1st Seoul - Pyongyang Ultra Marathon - 100 km	14:28:35 h	49
2020
11.01	100km	16th Busan Beach Ultramarathon 100km	13:56:00 h	68
2019
22.06	100km	11th Bukhangang 100 km Ultra Marathon Race	14:51:26 h	39
11.05	100km	14th Daejeon Yusung Hot spring 100 km Ultramarathon	14:08:00 h	24
14.04	100km	17th Cheongnamdae 100km Ultra Marathon	13:43:00 h	140
06.04	100km	7th SeJong Ultramarathon	14:28:00 h	55
2018
07.10	105km	1st Cheonan Samgeori Ultramarathon - 105km	13:48:00 h	62
25.08	102km	12th Incheon Kanghwa Ultramarathon Festival - 100 km	13:49:00 h	48
28.07	100km	1st Tongyeong Ultra Marathon - 100km	15:13:00 h	106
16.06	100km	9th Ulsan Taewha River 100 km Ultramarathon	13:13:04 h	80
26.05	100km	1st Mungyeong 100 km Ultra Marathon	15:20:00 h	172
19.05	100km	4th Jeonju 100km Ultra Marathon	12:48:00 h	39
27.04	101km	14th Pilgrimage to the Holy Land 101 km Ultramarathon	17:09:00 h	16
14.04	100km	16th Cheongnamdae 100km Ultra Marathon	13:29:00 h	111
2017
27.05	50km	1st Park Love Ultra Marathon	6:55:00 h	3 🥉
05.05	12h	KUMF 12H Cup	82.800 km	31
15.04	100km	7th Budda 108K Ultramarathon	15:36:00 h	125
01.04	100km	6th SeJong Ultramarathon	14:09:00 h	92
2016
20.08	100km	12th Busan Summer Beach 100 km Ultra Marathon	13:28:24 h	45
11.06	100km	14th Gwangju 100km Ultra Marathon	15:36:45 h	130
28.05	100km	9th Bukhangang 100 km Ultra Marathon Race	12:34:00 h	43
21.05	100km	2nd Jeonju 100km Ultra Marathon	12:10:00 h	25
16.04	100km	6th Budda 108K Ultramarathon	13:18:00 h	23
02.04	12h	KUMF 12H Cup	80.000 km	26
2015
31.10	100km	9th Suncheon Bay 100 km Ultramarathon	15:31:12 h	99
10.10	101km	9th Youngdong Dried Persimmon Ultramarathon	11:35:54 h	13
08.08	100km	2nd Geumcheongu Ultramarathon	13:40:00 h	44
2014
09.08	101km	1st Geumcheon Ultramarathon 101 km	11:54:00 h	18
06.07	350km	7th Trans Korea 537K South to North	4d 14:34:00 h	35
25.04	222km	10th Pilgrimage to the Holy Land 222 km Ultramarathon	38:12:00 h	24
05.04	200km	13th Jeju-do around 200 km	29:01:15 h	8
01.03	100km	10th Busan Beach Ultramarathon 100km	12:22:00 h	20
2013
05.10	100km	7th Suncheon Bay 100 km Ultramarathon	15:48:32 h	114
26.09	308km	14th Trans Korea 308 km West to East	2d 07:37:00 h	13
31.08	100km	7th Incheon Kanghwa Ultramarathon Festival	11:56:00 h	45
04.05	12h	KUMF 12H Cup	60.000 km	14
20.04	108km	Budda 108K Ultramarathon	14:35:58 h	32
2012
17.11	100km	1st Around Mt. Chiak Ultra Marathon	12:19:00 h	3 🥉
10.11	100km	KUMF 100km Cup	10:32:46 h	21
20.09	308km	13th Trans Korea 308 km West to East	2d 08:37:00 h	14
25.08	100km	6th Incheon Kanghwa Ultramarathon Festival	11:54:00 h	19
18.08	12h	10th 7 to 7 Ultramarathon	50.000 km	83
02.06	100km	5th Pilgrimage To the Holy Land 100km Ultramarathon	11:36:00 h	12
27.04	222km	8th Pilgrimage to the Holy Land 222 km Ultramarathon	37:44:00 h	12
2011
12.11	100km	3. KUMF 100km Cup	9:25:00 h	5
27.08	100km	5th Incheon Kanghwa Ultramarathon Festival	15:28:00 h	235
11.06	100km	9th Gwangju 100km Ultra Marathon	14:37:29 h	153
2010
02.10	100km	5th Gangjin Ultra Marathon	14:55:00 h	117
17.01	80km	6th Busan Beach Ultramarathon 80km	9:45:00 h	9
2009
10.10	100km	3rd Youngdong Dried Persimmon Ultramarathon	10:47:07 h	4
22.08	12h	7th 7 to 7 Ultramarathon	100.000 km	4
08.08	50mi	4th Seoul 50 Mile Ultra Marathon	13:12:00 h	1 🏆
25.07	100km	5th Jungnangcheon 100km Ultra Marathon	11:12:00 h	4
15.05	200km	4th Chuncheon 5-Dam 200km Ultra Marathon	31:23:00 h	4
04.04	100km	2nd Pilgrimage To the Holy Land 100km Ultramarathon	12:33:07 h	45
2008
01.11	100mi	5th Chungju Lake 100 Miles	27:40:50 h	25
11.10	100km	2nd Youngdong Dried Persimmon Ultramarathon	14:31:45 h	115
23.08	12h	6th 7 to 7 Ultramarathon	80.000 km	45
28.06	100km	5th Bukhangang 100 km Ultra Marathon Race	13:34:00 h	12
23.05	200km	3rd Chuncheon 5-Dam 200km Ultra Marathon	36:37:12 h	6
25.04	222km	4th Pilgrimage to the Holy Land 222 km Ultramarathon	41:01:00 h	31
05.04	111km	1st Pilgrimage To the Holy Land 111km Ultramarathon	16:32:00 h	128
2007
26.04	222km	3rd Pilgrimage to the Holy Land 222 km Ultramarathon	41:28:00 h	35
2005
28.05	100km	2nd Cheonjinam Ultra Marathon Festival - 100 km	14:03:05 h	105
09.01	12h	1st Seokchon Lake Park 12h Ultra Marathon	75.900 km	14
2004
18.12	100km	1st Busan Beach Ultramarathon 100km	14:39:27 h	19
05.09	100km	1. Yangyang Song-I 100 km Ultramarathon	15:36:00 h	16
28.08	100km	3rd Ham Fortification Ultra Marathon 100 km	13:45:00 h	10
21.08	100km	1st Cheonjinam Ultra Marathon Festival - 100 km	13:29:57 h	24
31.07	105km	1st Bukhangang 100 km Ultra Marathon Race	14:36:00 h	21
11.07	537km	2nd Trans Korea 537K South to North	5d 09:59:00 h	25
12.06	100km	2nd Gwangju 100km Ultra Marathon	13:27:00 h	8
10.04	100km	2nd Cheongnamdae 100km Ultra Marathon	13:14:00 h	92
17.03	200km	3rd Jeju-do around 200 km	35:09:00 h	76
2003
22.11	12h	1st KU Gangneung Gyeongpo Lake 12 Hour Run	95.700 km	2 🥈
25.10	100mi	1st Chungju Lake 100 Miles	27:28:00 h	13
15.06	100km	1st Gwangju 100km Ultra Marathon	15:01:00 h	163
2002
22.06	100km	1st Cheongju Ultra Marathon	15:26:00 h	81

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/7/2004	2nd Trans Korea 537K South to North	537,00	×5
✓ 2	6/7/2014	7th Trans Korea 537K South to North	350,00	×3
✓ 3	26/9/2013	14th Trans Korea 308 km West to East	308,00	×3
✓ 4	20/9/2012	13th Trans Korea 308 km West to East	308,00	×3
✓ 5	25/4/2014	10th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 6	27/4/2012	8th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 7	25/4/2008	4th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 8	26/4/2007	3rd Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 9	5/4/2014	13th Jeju-do around 200 km	200,00	×2
✓ 10	15/5/2009	4th Chuncheon 5-Dam 200km Ultra Marathon	200,00	×2
✓ 11	23/5/2008	3rd Chuncheon 5-Dam 200km Ultra Marathon	200,00	×2
✓ 12	17/3/2004	3rd Jeju-do around 200 km	200,00	×2
✓ 13	1/11/2008	5th Chungju Lake 100 Miles	160,93	×1
✓ 14	25/10/2003	1st Chungju Lake 100 Miles	160,93	×1
✓ 15	5/4/2008	1st Pilgrimage To the Holy Land 111km Ultramarathon	111,00	×1
✓ 16	20/4/2013	Budda 108K Ultramarathon	108,00	×1
✓ 17	7/10/2018	1st Cheonan Samgeori Ultramarathon - 105km	105,00	×1
✓ 18	31/7/2004	1st Bukhangang 100 km Ultra Marathon Race	105,00	×1
✓ 19	25/8/2018	12th Incheon Kanghwa Ultramarathon Festival - 100 km	102,00	×1
✓ 20	27/4/2018	14th Pilgrimage to the Holy Land 101 km Ultramarathon	101,00	×1
✓ 21	10/10/2015	9th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 22	9/8/2014	1st Geumcheon Ultramarathon 101 km	101,00	×1
✓ 23	17/5/2025	3rd Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 24	8/3/2025	20th Busan Beach Ultramarathon 100km	100,00	×1
✓ 25	18/11/2023	1st Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 26	14/10/2023	4th Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 27	1/10/2022	15th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 28	29/5/2021	1st Seoul - Pyongyang Ultra Marathon - 100 km	100,00	×1
✓ 29	11/1/2020	16th Busan Beach Ultramarathon 100km	100,00	×1
✓ 30	22/6/2019	11th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 31	11/5/2019	14th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 32	14/4/2019	17th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 33	6/4/2019	7th SeJong Ultramarathon	100,00	×1
✓ 34	28/7/2018	1st Tongyeong Ultra Marathon - 100km	100,00	×1
✓ 35	16/6/2018	9th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 36	26/5/2018	1st Mungyeong 100 km Ultra Marathon	100,00	×1
✓ 37	19/5/2018	4th Jeonju 100km Ultra Marathon	100,00	×1
✓ 38	14/4/2018	16th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 39	15/4/2017	7th Budda 108K Ultramarathon	100,00	×1
✓ 40	1/4/2017	6th SeJong Ultramarathon	100,00	×1
✓ 41	20/8/2016	12th Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 42	11/6/2016	14th Gwangju 100km Ultra Marathon	100,00	×1
✓ 43	28/5/2016	9th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 44	21/5/2016	2nd Jeonju 100km Ultra Marathon	100,00	×1
✓ 45	16/4/2016	6th Budda 108K Ultramarathon	100,00	×1
✓ 46	31/10/2015	9th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 47	8/8/2015	2nd Geumcheongu Ultramarathon	100,00	×1
✓ 48	1/3/2014	10th Busan Beach Ultramarathon 100km	100,00	×1
✓ 49	5/10/2013	7th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 50	31/8/2013	7th Incheon Kanghwa Ultramarathon Festival	100,00	×1
✓ 51	17/11/2012	1st Around Mt. Chiak Ultra Marathon	100,00	×1
✓ 52	10/11/2012	KUMF 100km Cup	100,00	×1
✓ 53	25/8/2012	6th Incheon Kanghwa Ultramarathon Festival	100,00	×1
✓ 54	2/6/2012	5th Pilgrimage To the Holy Land 100km Ultramarathon	100,00	×1
✓ 55	12/11/2011	3. KUMF 100km Cup	100,00	×1
✓ 56	27/8/2011	5th Incheon Kanghwa Ultramarathon Festival	100,00	×1
✓ 57	11/6/2011	9th Gwangju 100km Ultra Marathon	100,00	×1
✓ 58	2/10/2010	5th Gangjin Ultra Marathon	100,00	×1
✓ 59	10/10/2009	3rd Youngdong Dried Persimmon Ultramarathon	100,00	×1
✓ 60	22/8/2009	7th 7 to 7 Ultramarathon	100,00	×1
✓ 61	25/7/2009	5th Jungnangcheon 100km Ultra Marathon	100,00	×1
✓ 62	4/4/2009	2nd Pilgrimage To the Holy Land 100km Ultramarathon	100,00	×1
✓ 63	11/10/2008	2nd Youngdong Dried Persimmon Ultramarathon	100,00	×1
✓ 64	28/6/2008	5th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 65	28/5/2005	2nd Cheonjinam Ultra Marathon Festival - 100 km	100,00	×1
✓ 66	18/12/2004	1st Busan Beach Ultramarathon 100km	100,00	×1
✓ 67	5/9/2004	1. Yangyang Song-I 100 km Ultramarathon	100,00	×1
✓ 68	28/8/2004	3rd Ham Fortification Ultra Marathon 100 km	100,00	×1
✓ 69	21/8/2004	1st Cheonjinam Ultra Marathon Festival - 100 km	100,00	×1
✓ 70	12/6/2004	2nd Gwangju 100km Ultra Marathon	100,00	×1
✓ 71	10/4/2004	2nd Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 72	15/6/2003	1st Gwangju 100km Ultra Marathon	100,00	×1
✓ 73	22/6/2002	1st Cheongju Ultra Marathon	100,00	×1
✓ 74	22/11/2003	1st KU Gangneung Gyeongpo Lake 12 Hour Run	95,70	×1
✓ 75	5/5/2017	KUMF 12H Cup	82,80	—
✓ 76	8/8/2009	4th Seoul 50 Mile Ultra Marathon	80,47	—
✓ 77	2/4/2016	KUMF 12H Cup	80,00	—
✓ 78	17/1/2010	6th Busan Beach Ultramarathon 80km	80,00	—
✓ 79	23/8/2008	6th 7 to 7 Ultramarathon	80,00	—
80	9/1/2005	1st Seokchon Lake Park 12h Ultra Marathon	75,90	—
81	4/5/2013	KUMF 12H Cup	60,00	—
82	27/5/2017	1st Park Love Ultra Marathon	50,00	—
83	18/8/2012	10th 7 to 7 Ultramarathon	50,00	—