Gang-Hak (박강학) Park

Ultrarunner since 2006

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

73,9%

Rank quotient ?This runner's calculation uses 70 eligible race(s): Σ(rank − 1) = 10 761; Σ finishers = 14 559. 10 761 / 14 559 × 100 = 73.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed70

Km — ultra races7 196 km

> 100 km12

> 160 km3

> 200 km1

Longest race222,0 km

15th Pilgrimage to the Holy Land 222 km Ultramarathon — 26/4/2019

Km per year (ultra races)

202

2022

200

2023

150

2024

202

2025

100

2026

Race types (share of distance)

Road77,0%

Trail23,0%

Records

50 km5h43'00 100 km12h58'45

HISTORY

70 race(s)

Date		Race	Perf.	Rk
2026
07.03	100km	21st Busan Beach Ultramarathon 100km	14:24:00 h	65
2025
06.09	102km	19th Suncheon Bay 100 km Ultramarathon	16:31:00 h	132
17.05	100km	3rd Seoul Hangang Ultra Marathon 100km	14:31:49 h	262
2024
29.06	50km	4th Mungyeong 50 km Ultra Marathon	6:52:55 h	68
18.05	100km	2nd Seoul Hangang Ultra Marathon 100km	16:12:00 h	237
2023
14.10	100km	4th Cheonan Samgeori Ultramarathon - 100km	14:53:00 h	64
13.05	100km	16th Daejeon Yusung Hot spring 100 km Ultramarathon	15:19:00 h	146
2022
03.09	102km	16th Suncheon Bay 100 km Ultramarathon	16:46:00 h	63
11.06	100km	19th Gwangju 100km Ultra Marathon	16:43:00 h	52
2021
03.04	100km	8th SeJong Ultramarathon	13:49:00 h	69
2020
11.01	100km	16th Busan Beach Ultramarathon 100km	14:20:00 h	79
2019
09.11	100km	2nd Tongyeong Ultra Marathon - 100km	14:29:00 h	90
05.10	100km	2nd Cheonan Samgeori Ultramarathon - 100km	16:15:00 h	160
17.08	100km	15th Busan Summer Beach 100 km Ultra Marathon	16:18:00 h	110
15.06	100km	10th Ulsan Taewha River 100 km Ultramarathon	12:58:45 h	64
18.05	100km	1st Cheongpung Cultural Ultra Marathon	16:43:00 h	261
26.04	222km	15th Pilgrimage to the Holy Land 222 km Ultramarathon	41:40:00 h	28
14.04	100km	17th Cheongnamdae 100km Ultra Marathon	14:42:00 h	266
06.04	100km	7th SeJong Ultramarathon	14:36:00 h	58
13.01	100km	15th Busan Beach Ultramarathon 100km	13:24:00 h	36
2018
07.10	50km	1st Cheonan Samgeori Ultramarathon - 50km	5:43:00 h	15
01.09	100km	12th Suncheon Bay 100 km Ultramarathon	15:41:00 h	118
11.08	102km	3rd Yang Yang Int. Trailrun 100km	18:43:00 h	97
23.06	100km	10th Bukhangang 100 km Ultra Marathon Race	14:14:10 h	63
09.06	100km	16th Gwangju 100km Ultra Marathon	14:52:40 h	76
19.05	100km	4th Jeonju 100km Ultra Marathon	14:14:00 h	101
21.04	100km	8th Budda 108K Ultramarathon	16:24:31 h	120
2017
09.09	100km	11th Suncheon Bay 100 km Ultramarathon	16:07:15 h	164
17.06	100km	8th Ulsan Taewha River 100 km Ultramarathon	15:09:26 h	153
15.04	100km	7th Budda 108K Ultramarathon	15:15:20 h	100
2016
08.10	101km	10th Youngdong Dried Persimmon Ultramarathon	15:57:16 h	452
01.10	100km	10th Suncheon Bay 100 km Ultramarathon	15:52:37 h	91
16.04	100km	6th Budda 108K Ultramarathon	15:18:20 h	74
09.04	100km	14th Cheongnamdae 100km Ultra Marathon	14:40:00 h	231
26.03	100km	5th SeJong Ultramarathon	14:27:00 h	95
2015
10.10	101km	9th Youngdong Dried Persimmon Ultramarathon	15:49:46 h	267
08.08	100km	2nd Geumcheongu Ultramarathon	15:57:00 h	155
27.06	95km	Chilgapsan Soybean Ultra Marathon	14:44:00 h	18
05.06	200km	10th Water Love Nagdong River Ultramarathon	35:47:00 h	83
23.05	100km	8th Bukhangang 100 km Ultra Marathon Race	15:28:00 h	130
28.03	100km	4th SeJong Ultramarathon	15:52:00 h	151
2014
11.10	101km	8th Youngdong Dried Persimmon Ultramarathon	15:16:02 h	256
09.08	101km	1st Geumcheon Ultramarathon 101 km	14:53:36 h	112
06.06	200km	9th Water Love Nagdong River Ultramarathon	35:51:00 h	85
24.05	100km	7th Bukhangang 100 km Ultra Marathon Race	14:31:08 h	158
22.03	100km	3rd SeJong Ultramarathon	14:25:00 h	76
2013
12.10	101km	7th Youngdong Dried Persimmon Ultramarathon	14:51:21 h	182
25.05	100km	9th Daejeon Yusung Hot spring Ultramarathon	15:52:54 h	282
13.04	100km	11th Cheongnamdae 100km Ultra Marathon	15:46:00 h	390
2012
13.10	101km	6th Youngdong Dried Persimmon Ultramarathon	15:55:20 h	333
23.06	100km	1st SeJong Ultramarathon	15:30:00 h	41
19.05	100km	8th Daejeon Yusung Hot spring Ultramarathon	14:52:35 h	214
14.04	100km	10th Cheongnamdae 100km Ultra Marathon	14:20:00 h	243
2011
08.10	100km	5th Youngdong Dried Persimmon Ultramarathon	14:47:18 h	146
27.08	100km	5th Incheon Kanghwa Ultramarathon Festival	16:35:00 h	294
21.05	100km	7th Daejeon Yusung Hot spring Ultramarathon	14:43:00 h	183
09.04	100km	9th Cheongnamdae 100km Ultra Marathon	14:20:00 h	196
2010
09.10	100km	4th Youngdong Dried Persimmon Ultramarathon	15:58:28 h	247
15.05	100km	6th Daejeon Yusung Hot spring Ultramarathon	14:38:45 h	166
10.04	100km	8th Cheongnamdae 100km Ultra Marathon	14:53:00 h	260
2009
10.10	100km	3rd Youngdong Dried Persimmon Ultramarathon	14:17:03 h	85
06.06	100km	5th Daejeon Yusung Hot spring Ultramarathon	14:18:35 h	143
11.04	100km	7th Cheongnamdae 100km Ultra Marathon	14:38:00 h	208
2008
15.06	67km	6th 5 Mountain Runda Mountain Ultra Marathon	12:43:28 h	283
31.05	100km	4th Daejeon Yusung Hot spring Ultramarathon	15:14:00 h	209
12.04	100km	6th Cheongnamdae 100km Ultra Marathon	14:22:00 h	187
2007
18.08	100km	3rd Busan Summer Beach 100 km Ultra Marathon	15:25:24 h	83
02.06	100km	3rd Daejeon Yusung Hot spring Ultramarathon	14:51:50 h	218
14.04	100km	5th Cheongnamdae 100km Ultra Marathon	14:50:00 h	344
2006
04.11	100km	2nd Daejeon Yusung Hot spring Ultramarathon	14:51:09 h	143

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	26/4/2019	15th Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×3
✓ 2	5/6/2015	10th Water Love Nagdong River Ultramarathon	200,00	×2
✓ 3	6/6/2014	9th Water Love Nagdong River Ultramarathon	200,00	×2
✓ 4	6/9/2025	19th Suncheon Bay 100 km Ultramarathon	102,00	×1
✓ 5	3/9/2022	16th Suncheon Bay 100 km Ultramarathon	102,00	×1
✓ 6	11/8/2018	3rd Yang Yang Int. Trailrun 100km	102,00	×1
✓ 7	8/10/2016	10th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 8	10/10/2015	9th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 9	11/10/2014	8th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 10	9/8/2014	1st Geumcheon Ultramarathon 101 km	101,00	×1
✓ 11	12/10/2013	7th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 12	13/10/2012	6th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 13	7/3/2026	21st Busan Beach Ultramarathon 100km	100,00	×1
✓ 14	17/5/2025	3rd Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 15	18/5/2024	2nd Seoul Hangang Ultra Marathon 100km	100,00	×1
✓ 16	14/10/2023	4th Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 17	13/5/2023	16th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 18	11/6/2022	19th Gwangju 100km Ultra Marathon	100,00	×1
✓ 19	3/4/2021	8th SeJong Ultramarathon	100,00	×1
✓ 20	11/1/2020	16th Busan Beach Ultramarathon 100km	100,00	×1
✓ 21	9/11/2019	2nd Tongyeong Ultra Marathon - 100km	100,00	×1
✓ 22	5/10/2019	2nd Cheonan Samgeori Ultramarathon - 100km	100,00	×1
✓ 23	17/8/2019	15th Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 24	15/6/2019	10th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 25	18/5/2019	1st Cheongpung Cultural Ultra Marathon	100,00	×1
✓ 26	14/4/2019	17th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 27	6/4/2019	7th SeJong Ultramarathon	100,00	×1
✓ 28	13/1/2019	15th Busan Beach Ultramarathon 100km	100,00	×1
✓ 29	1/9/2018	12th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 30	23/6/2018	10th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 31	9/6/2018	16th Gwangju 100km Ultra Marathon	100,00	×1
✓ 32	19/5/2018	4th Jeonju 100km Ultra Marathon	100,00	×1
✓ 33	21/4/2018	8th Budda 108K Ultramarathon	100,00	×1
✓ 34	9/9/2017	11th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 35	17/6/2017	8th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 36	15/4/2017	7th Budda 108K Ultramarathon	100,00	×1
✓ 37	1/10/2016	10th Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 38	16/4/2016	6th Budda 108K Ultramarathon	100,00	×1
✓ 39	9/4/2016	14th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 40	26/3/2016	5th SeJong Ultramarathon	100,00	×1
✓ 41	8/8/2015	2nd Geumcheongu Ultramarathon	100,00	×1
✓ 42	23/5/2015	8th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 43	28/3/2015	4th SeJong Ultramarathon	100,00	×1
✓ 44	24/5/2014	7th Bukhangang 100 km Ultra Marathon Race	100,00	×1
✓ 45	22/3/2014	3rd SeJong Ultramarathon	100,00	×1
✓ 46	25/5/2013	9th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 47	13/4/2013	11th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 48	23/6/2012	1st SeJong Ultramarathon	100,00	×1
✓ 49	19/5/2012	8th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 50	14/4/2012	10th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 51	8/10/2011	5th Youngdong Dried Persimmon Ultramarathon	100,00	×1
✓ 52	27/8/2011	5th Incheon Kanghwa Ultramarathon Festival	100,00	×1
✓ 53	21/5/2011	7th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 54	9/4/2011	9th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 55	9/10/2010	4th Youngdong Dried Persimmon Ultramarathon	100,00	×1
✓ 56	15/5/2010	6th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 57	10/4/2010	8th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 58	10/10/2009	3rd Youngdong Dried Persimmon Ultramarathon	100,00	×1
✓ 59	6/6/2009	5th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 60	11/4/2009	7th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 61	31/5/2008	4th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 62	12/4/2008	6th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 63	18/8/2007	3rd Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 64	2/6/2007	3rd Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 65	14/4/2007	5th Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 66	4/11/2006	2nd Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 67	27/6/2015	Chilgapsan Soybean Ultra Marathon	95,00	×1
68	15/6/2008	6th 5 Mountain Runda Mountain Ultra Marathon	67,00	—
69	29/6/2024	4th Mungyeong 50 km Ultra Marathon	50,00	—
70	7/10/2018	1st Cheonan Samgeori Ultramarathon - 50km	50,00	—