Gang-Sik (이강식) Lee

Born : 1964 Cat. M60 Ultrarunner since 2014

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

46,6%

Rank quotient ?This runner's calculation uses 95 eligible race(s): Σ(rank − 1) = 6 102; Σ finishers = 13 084. 6 102 / 13 084 × 100 = 46.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed95

Km — ultra races13 812 km

> 100 km42

> 160 km24

> 200 km9

> 24h1

Longest race622,0 km

14th Trans Korea 622K South to North — 2/7/2023

Km per year (ultra races)

1 316

2022

1 438

2023

1 137

2024

765

2025

200

2026

Race types (share of distance)

Road89,1%

Trail10,9%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 31

🏅 Top 3 M1

Longest winning streak1

Current streak0

Records

50 km6h30'57 100 km11h18'00 12 h106,16 km 24 h164,64 km

HISTORY

95 race(s)

Date		Race	Perf.	Rk
2026
05.06	200km	21st Water Love Nagdong River Ultramarathon 200 km	36:16:45 h	43
2025
14.06	100km	22nd Gwangju 100km Ultra Marathon	15:31:00 h	90
06.06	200km	20h Water Love Nagdong River Ultramarathon 200 km	36:26:00 h	49
24.05	200km	24th Jeju-do around 200 km	35:14:34 h	32
17.05	100km	3rd Seoul Hangang Ultra Marathon 100km	14:46:00 h	276
05.04	24h	KUMF 24H Cup	164.640 km	8
2024
28.09	100km	5th Cheonan Samgeori Ultramarathon - 100km	13:28:43 h	39
07.07	537km	15th Trans Korea 537K South to North	5d 02:54:00 h	9
15.06	100km	13th Ulsan Taewha River 100 km Ultramarathon	14:29:04 h	89
31.05	200km	19h Water Love Nagdong River Ultramarathon 200 km	36:44:00 h	63
18.05	100km	2nd Seoul Hangang Ultra Marathon 100km	13:35:00 h	93
11.05	100km	17th Daejeon Yusung Hot spring 100 km Ultramarathon	14:36:00 h	54
2023
18.11	100km	1st Seoul Hangang Ultra Marathon 100km	13:10:00 h	36
11.11	100km	13. KUMF 100km Cup	12:56:00 h	13
14.10	100km	4th Cheonan Samgeori Ultramarathon - 100km	13:26:08 h	25
05.10	309km	23rd Trans Korea 308 km West to East	2d 18:27:00 h	46
02.09	102km	17th Suncheon Bay 100 km Ultramarathon	14:30:00 h	28
02.07	622km	14th Trans Korea 622K South to North	6d 04:12:00 h	17
15.04	12h	KUMF 12H Cup A	104.500 km	1 🏆
2022
01.10	100km	15th Daejeon Yusung Hot spring 100 km Ultramarathon	13:57:00 h	13
24.09	100km	3rd Cheonan Samgeori Ultramarathon - 100km	12:45:16 h	23
15.09	308km	22th Trans Korea 308 km West to East	2d 17:04:00 h	24
03.09	102km	16th Suncheon Bay 100 km Ultramarathon	14:42:00 h	20
18.06	100km	11th Ulsan Taewha River 100 km Ultramarathon	13:15:13 h	18
03.06	200km	17h Water Love Nagdong River Ultramarathon 200 km	36:02:00 h	49
28.05	100km	2nd Seoul - Pyongyang Ultra Marathon - 100 km	13:28:00 h	34
30.04	12h	KUMF 12H Cup	106.158 km	8
09.04	100km	18th Cheongnamdae 100km Ultra Marathon	15:21:00 h	169
02.04	100km	9th SeJong Ultramarathon	15:34:00 h	152
2021
13.11	200km	20th Jeju-do around 200 km	32:10:24 h	31
09.09	320km	21st Trans Korea 308 km West to East	2d 16:18:00 h	28
12.06	100km	18th Gwangju 100km Ultra Marathon	12:46:00 h	11
04.06	200km	16h Water Love Nagdong River Ultramarathon 200 km	33:36:00 h	24
29.05	100km	1st Seoul - Pyongyang Ultra Marathon - 100 km	15:13:58 h	69
01.05	12h	KUMF 12H Cup	101.450 km	11
03.04	100km	8th SeJong Ultramarathon	12:52:00 h	49
2020
05.06	200km	15th Water Love Nagdong River Ultramarathon 200 km	36:28:00 h	58
23.05	100km	3rd Mungyeong 100 km Ultra Marathon	12:19:00 h	15
11.01	100km	16th Busan Beach Ultramarathon 100km	14:38:00 h	97
2019
09.11	100km	2nd Tongyeong Ultra Marathon - 100km	13:52:00 h	67
12.10	101km	13th Youngdong Dried Persimmon Ultramarathon	13:52:00 h	58
05.10	100km	2nd Cheonan Samgeori Ultramarathon - 100km	13:18:00 h	45
19.09	308km	20th Trans Korea 308 km West to East	2d 14:07:00 h	40
31.08	102km	13th Incheon Kanghwa Ultramarathon Festival - 100 km	14:11:00 h	78
03.08	100km	6th Geumcheongu Ultramarathon 100 km	15:16:00 h	36
06.07	622km	10th Trans Korea 622K South to North	6d 02:17:00 h	23
22.06	100km	11th Bukhangang 100 km Ultra Marathon Race	14:11:50 h	21
15.06	100km	10th Ulsan Taewha River 100 km Ultramarathon	13:20:01 h	78
08.06	100km	17th Gwangju 100km Ultra Marathon	12:47:30 h	21
31.05	200km	14th Water Love Nagdong River Ultramarathon 200 km	34:24:00 h	37
25.05	100km	2nd Mungyeong 100 km Ultra Marathon	12:46:00 h	35
18.05	100km	1st Cheongpung Cultural Ultra Marathon	15:36:00 h	172
04.05	12h	KUMF 12H Cup	97.160 km	9
26.04	101km	15th Pilgrimage to the Holy Land 101 km Ultramarathon	16:42:00 h	25
20.04	100km	9th Budda 108K Ultramarathon	14:32:33 h	41
14.04	100km	17th Cheongnamdae 100km Ultra Marathon	14:48:00 h	283
06.04	100km	7th SeJong Ultramarathon	12:10:00 h	24
09.03	200km	18th Jeju-do around 200 km	32:24:48 h	24
13.01	100km	15th Busan Beach Ultramarathon 100km	15:25:00 h	102
2018
24.11	100km	9. KUMF 100km Cup	11:18:00 h	20
13.10	101km	12h Youngdong Dried Persimmon Ultramarathon	14:38:00 h	101
07.10	105km	1st Cheonan Samgeori Ultramarathon - 105km	11:54:00 h	12
25.08	102km	12th Incheon Kanghwa Ultramarathon Festival - 100 km	14:37:00 h	76
04.08	100km	5th Seoul Heat Ultra Marathon - 100 km	14:43:00 h	17
01.07	537km	9th Trans Korea 537K South to North	5d 05:12:00 h	15
23.06	50km	10th Bukhangang 50 km Ultra Marathon Race	6:30:57 h	18
01.06	200km	13th Water Love Nagdong River Ultramarathon 200 km	34:08:00 h	22
26.05	100km	1st Mungyeong 100 km Ultra Marathon	13:42:00 h	80
05.05	12h	KUMF 12H Cup	101.310 km	10
14.04	100km	16th Cheongnamdae 100km Ultra Marathon	13:51:00 h	156
10.03	200km	17th Jeju-do around 200 km	32:28:58 h	47
2017
14.10	101km	11th Youngdong Dried Persimmon Ultramarathon	15:29:00 h	97
26.08	102km	11th Incheon Kanghwa Ultramarathon Festival - 100 km	13:28:00 h	65
05.08	100km	4th Geumcheongu Ultramarathon 100 km	16:07:00 h	91
02.06	200km	12th Water Love Nagdong River Ultramarathon 200 km	35:20:00 h	47
14.05	45km	5th Gangbuk 5 Mountain Trail Run	12:39:09 h	71
05.05	12h	KUMF 12H Cup	93.150 km	19
15.04	100km	7th Budda 108K Ultramarathon	13:27:20 h	28
08.04	100km	15th Cheongnamdae 100km Ultra Marathon	15:20:00 h	356
01.04	100km	6th SeJong Ultramarathon	13:05:00 h	51
2016
08.10	101km	10th Youngdong Dried Persimmon Ultramarathon	15:24:17 h	348
22.09	312km	17th Trans Korea 312 km West to East	2d 13:08:00 h	55
27.08	102km	10th Incheon Kanghwa Ultramarathon Festival - 100 km	13:24:55 h	52
06.08	100km	3rd Geumcheongu Ultramarathon	15:22:00 h	116
23.07	50km	3rd Happy Leg Ultramarathon	6:33:00 h	162
03.06	200km	11th Water Love Nagdong River Ultramarathon	35:33:00 h	54
16.04	100km	6th Budda 108K Ultramarathon	14:52:30 h	61
09.04	100km	14th Cheongnamdae 100km Ultra Marathon	14:17:00 h	171
2015
10.10	101km	9th Youngdong Dried Persimmon Ultramarathon	13:46:50 h	79
29.08	100km	9th Incheon Kanghwa Ultramarathon Festival	13:29:00 h	71
08.08	100km	2nd Geumcheongu Ultramarathon	13:34:00 h	41
23.05	100km	8th Bukhangang 100 km Ultra Marathon Race	12:46:00 h	41
11.04	100km	13th Cheongnamdae 100km Ultra Marathon	13:25:00 h	94
2014
11.10	101km	8th Youngdong Dried Persimmon Ultramarathon	14:33:14 h	156
12.04	100km	12th Cheongnamdae 100km Ultra Marathon	13:53:00 h	164

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/7/2023	14th Trans Korea 622K South to North	622,00	×6
✓ 2	6/7/2019	10th Trans Korea 622K South to North	622,00	×6
✓ 3	7/7/2024	15th Trans Korea 537K South to North	537,00	×5
✓ 4	1/7/2018	9th Trans Korea 537K South to North	537,00	×5
✓ 5	9/9/2021	21st Trans Korea 308 km West to East	320,00	×3
✓ 6	22/9/2016	17th Trans Korea 312 km West to East	312,00	×3
✓ 7	5/10/2023	23rd Trans Korea 308 km West to East	309,00	×3
✓ 8	15/9/2022	22th Trans Korea 308 km West to East	308,00	×3
✓ 9	19/9/2019	20th Trans Korea 308 km West to East	308,00	×3
✓ 10	5/6/2026	21st Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 11	6/6/2025	20h Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 12	24/5/2025	24th Jeju-do around 200 km	200,00	×2
✓ 13	31/5/2024	19h Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 14	3/6/2022	17h Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 15	13/11/2021	20th Jeju-do around 200 km	200,00	×2
✓ 16	4/6/2021	16h Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 17	5/6/2020	15th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 18	31/5/2019	14th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 19	9/3/2019	18th Jeju-do around 200 km	200,00	×2
✓ 20	1/6/2018	13th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 21	10/3/2018	17th Jeju-do around 200 km	200,00	×2
✓ 22	2/6/2017	12th Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 23	3/6/2016	11th Water Love Nagdong River Ultramarathon	200,00	×2
✓ 24	5/4/2025	KUMF 24H Cup	164,64	×1
✓ 25	30/4/2022	KUMF 12H Cup	106,16	×1
✓ 26	7/10/2018	1st Cheonan Samgeori Ultramarathon - 105km	105,00	×1
✓ 27	15/4/2023	KUMF 12H Cup A	104,50	×1
✓ 28	2/9/2023	17th Suncheon Bay 100 km Ultramarathon	102,00	×1
✓ 29	3/9/2022	16th Suncheon Bay 100 km Ultramarathon	102,00	×1
✓ 30	31/8/2019	13th Incheon Kanghwa Ultramarathon Festival - 100 km	102,00	×1
✓ 31	25/8/2018	12th Incheon Kanghwa Ultramarathon Festival - 100 km	102,00	×1
✓ 32	26/8/2017	11th Incheon Kanghwa Ultramarathon Festival - 100 km	102,00	×1
✓ 33	27/8/2016	10th Incheon Kanghwa Ultramarathon Festival - 100 km	102,00	×1
✓ 34	1/5/2021	KUMF 12H Cup	101,45	×1
✓ 35	5/5/2018	KUMF 12H Cup	101,31	×1
✓ 36	12/10/2019	13th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 37	26/4/2019	15th Pilgrimage to the Holy Land 101 km Ultramarathon	101,00	×1
✓ 38	13/10/2018	12h Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 39	14/10/2017	11th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 40	8/10/2016	10th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 41	10/10/2015	9th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 42	11/10/2014	8th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 43	14/6/2025	22nd Gwangju 100km Ultra Marathon	100,00	×1
✓ 44	17/5/2025	3rd Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 45	28/9/2024	5th Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 46	15/6/2024	13th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 47	18/5/2024	2nd Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 48	11/5/2024	17th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 49	18/11/2023	1st Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 50	11/11/2023	13. KUMF 100km Cup	100,00	×1
✓ 51	14/10/2023	4th Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 52	1/10/2022	15th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 53	24/9/2022	3rd Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 54	18/6/2022	11th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 55	28/5/2022	2nd Seoul - Pyongyang Ultra Marathon - 100 km	100,00	×1
✓ 56	9/4/2022	18th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 57	2/4/2022	9th SeJong Ultramarathon	100,00	×1
✓ 58	12/6/2021	18th Gwangju 100km Ultra Marathon	100,00	×1
✓ 59	29/5/2021	1st Seoul - Pyongyang Ultra Marathon - 100 km	100,00	×1
✓ 60	3/4/2021	8th SeJong Ultramarathon	100,00	×1
✓ 61	23/5/2020	3rd Mungyeong 100 km Ultra Marathon	100,00	×1
✓ 62	11/1/2020	16th Busan Beach Ultramarathon 100km	100,00	×1
✓ 63	9/11/2019	2nd Tongyeong Ultra Marathon - 100km	100,00	×1
✓ 64	5/10/2019	2nd Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 65	3/8/2019	6th Geumcheongu Ultramarathon 100 km	100,00	×1
✓ 66	22/6/2019	11th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 67	15/6/2019	10th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 68	8/6/2019	17th Gwangju 100km Ultra Marathon	100,00	×1
✓ 69	25/5/2019	2nd Mungyeong 100 km Ultra Marathon	100,00	×1
✓ 70	18/5/2019	1st Cheongpung Cultural Ultra Marathon	100,00	×1
✓ 71	20/4/2019	9th Budda 108K Ultramarathon	100,00	×1
✓ 72	14/4/2019	17th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 73	6/4/2019	7th SeJong Ultramarathon	100,00	×1
✓ 74	13/1/2019	15th Busan Beach Ultramarathon 100km	100,00	×1
✓ 75	24/11/2018	9. KUMF 100km Cup	100,00	×1
✓ 76	4/8/2018	5th Seoul Heat Ultra Marathon - 100 km	100,00	×1
✓ 77	26/5/2018	1st Mungyeong 100 km Ultra Marathon	100,00	×1
✓ 78	14/4/2018	16th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 79	5/8/2017	4th Geumcheongu Ultramarathon 100 km	100,00	×1
✓ 80	15/4/2017	7th Budda 108K Ultramarathon	100,00	×1
✓ 81	8/4/2017	15th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 82	1/4/2017	6th SeJong Ultramarathon	100,00	×1
✓ 83	6/8/2016	3rd Geumcheongu Ultramarathon	100,00	×1
✓ 84	16/4/2016	6th Budda 108K Ultramarathon	100,00	×1
✓ 85	9/4/2016	14th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 86	29/8/2015	9th Incheon Kanghwa Ultramarathon Festival	100,00	×1
✓ 87	8/8/2015	2nd Geumcheongu Ultramarathon	100,00	×1
✓ 88	23/5/2015	8th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 89	11/4/2015	13th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 90	12/4/2014	12th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 91	4/5/2019	KUMF 12H Cup	97,16	—
✓ 92	5/5/2017	KUMF 12H Cup	93,15	—
93	23/6/2018	10th Bukhangang 50 km Ultra Marathon Race	50,00	—
94	23/7/2016	3rd Happy Leg Ultramarathon	50,00	—
95	14/5/2017	5th Gangbuk 5 Mountain Trail Run	45,00	—