Seong-Ha (전성하) Jeon

Born : 1966 Cat. M60 Ultrarunner since 2002

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 ?

China

Spain

Greece

Hong Kong

Japan

South Korea

Netherlands

New Zealand

Thailand

Taiwan

41,0%

Rank quotient ?This runner's calculation uses 92 eligible race(s): Σ(rank − 1) = 5 907; Σ finishers = 14 397. 5 907 / 14 397 × 100 = 41.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed92

Km — ultra races13 653 km

> 100 km31

> 160 km21

> 200 km14

> 24h3

> 48h1

Longest race1 500,0 km

1st Republic of Korea 1500 km Ultra Marathon — 21/9/2007

Km per year (ultra races)

354

2022

609

2023

285

2024

2025

113

2026

Race types (share of distance)

Road77,3%

Trail22,7%

Wins & podiums (ultra)

🏆 Win6

🏆 Win M10

🏅 Top 317

🏅 Top 3 M19

Longest winning streak1

Current streak0

Records

50 km4h19'32 100 km7h52'15 100 mi17h00'50 24 h220,68 km 48 h314,00 km

HISTORY

94 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2026
10.04	113km	1st Ultra-Trail Mogan by UTMB - DMG	31:17:03 h	346
2024
13.12	100km	9th The North Face 100 Hong Kong	25:41:27 h	253
15.06	100km	13th Ulsan Taewha River 100 km Ultramarathon	15:20:00 h	128
14.04	85km	9th Jiangnan 100 Ultra Trail - 50mi	19:40:11 h	109
2023
05.10	309km	23rd Trans Korea 308 km West to East	2d 18:20:00 h	43
17.06	50km	12th Ulsan Taewha River 50 km Ultramarathon	6:36:00 h	46
02.06	200km	18h Water Love Nagdong River Ultramarathon 200 km	34:27:00 h	43
29.04	50km	8th Korea 50K	11:32:42 h	264
2022
10.12	104km	3rd Thailand by UTMB - 104km	27:11:31 h	297
01.10	100km	15th Daejeon Yusung Hot spring 100 km Ultramarathon	14:34:00 h	26
20.08	100km	18th Busan Summer Beach 100 km Ultra Marathon	15:57:15 h	61
18.06	50km	11th Ulsan Taewha River 50 km Ultramarathon	7:15:00 h	40
2020
08.02	102km	12th Tarawera 100 km Ultramarathon	19:18:15 h	384
2019
10.08	100km	4th Yang Yang Int. Trailrun 100km	13:53:00 h	13
15.06	50km	10th Ulsan Taewha River 50 km Ultramarathon	5:20:00 h	30
18.05	100km	1st Cheongpung Cultural Ultra Marathon	12:49:00 h	34
09.03	100km	18th Jeju City 100 km	11:18:24 h	8
22.02	128km	Transgrancanaria 128 km	26:55:47 h	408
2018
13.09	311km	19th Trans Korea 311 km West to East	2d 14:52:00 h	65
28.07	100km	1st Tongyeong Ultra Marathon - 100km	14:49:00 h	89
16.06	50km	9th Ulsan Taewha River 50 km Ultramarathon	5:55:00 h	59
01.06	104km	13th Water Love Nagdong River Ultramarathon 104 km	13:04:00 h	3 🥉
10.03	100km	17th Jeju City 100 km	10:52:27 h	5
27.01	100km	8th Hong Kong 100 Ultra Trail Race	18:38:51 h	501
2017
15.07	108km	2nd Transqilian Run 108km	21:10:28 h	24
17.06	50km	8th Ulsan Taewha River 50 km Ultramarathon	5:15:00 h	34
03.06	70km	5th Geoje Jimaek Trail Run - 70 km	11:44:07 h	29
13.05	100km	12th Daejeon Yusung Hot spring Ultramarathon	14:52:00 h	82
2016
03.12	100km	1st Busan Gulls Ultra Marathon - 100km	10:51:00 h	9
08.10	101km	10th Youngdong Dried Persimmon Ultramarathon	12:38:57 h	51
22.09	312km	17th Trans Korea 312 km West to East	2d 12:22:00 h	38
13.08	103km	1st Yang Yang Int. Trailrun 100km	13:07:00 h	4
25.06	70km	4th Geoje Jimaek Trail Run - 70 km	13:43:06 h	50
21.05	100km	2nd Jeonju 100km Ultra Marathon	11:17:00 h	11
14.05	100km	11th Daejeon Yusung Hot spring Ultramarathon	12:42:00 h	8
23.04	200km	15th Jeju-do around 200 km	31:20:20 h	15
20.02	100km	12th Busan Beach Ultramarathon 100km	11:40:00 h	9
2015
14.11	100km	Ultra Trail Mt. Halla	17:41:20 h	6
31.10	100km	1st Busan 100k Ultra Trail Race	16:47:30 h	9
12.09	50km	40. RUN Winschoten 100 km - 50km Split	4:47:20 h	230
12.09	100km	IAU 100km WC (RUN Winschoten 100 km)	10:32:52 h	158
12.09	100km	40. RUN Winschoten 100 km - open race	10:32:52 h	234
08.08	100km	2nd Geumcheongu Ultramarathon	12:06:00 h	16
20.06	100km	6th Ulsan Taewha River 100 km Ultramarathon	14:15:00 h	165
09.05	100km	10th Daejeon Yusung Hot spring Ultramarathon	12:59:00 h	49
18.04	100km	3rd DL100 Ultra Endurance Race	19:38:00 h	83
2014
15.11	100km	KUMF 100km Cup	10:22:10 h	16
16.08	50km	10th Busan Summer Beach 50 km Ultra Marathon	6:46:14 h	197
2012
16.06	100km	3rd Ulsan Taewha River 100 km Ultramarathon	14:20:22 h	98
12.05	100km	6th Pohang Yeongilman Ultra Marathon 100 km	14:49:00 h	179
2011
28.05	100km	2nd Ulsan Taewha River 100 km Ultramarathon	13:21:42 h	66
2009
09.05	50km	3rd Pohang Yeongilman Ultra Marathon 50 km	4:19:32 h	3 🥉
22.03	100km	1. KUMF 100km Cup	8:33:21 h	4
22.03	50km	1. KUMF 100km Cup - 50km Split	3:55:48 h	6
2008
14.06	200km	3rd Mulsarang Nagdong 200km Ultra Marathon	22:13:28 h	1 🏆
31.05	100km	4th Daejeon Yusung Hot spring Ultramarathon	14:33:00 h	178
18.05	100km	5th Korea 100k Ultra Marathon Championship	7:52:15 h	1 🏆
2007
21.09	1500km	1st Republic of Korea 1500 km Ultra Marathon	14d 23:24:00 h	4
15.09	100km	1st Suncheon Bay 100 km Ultramarathon	15:52:21 h	251
07.07	622km	3rd Trans Korea 622K South To North	6d 05:35:00 h	40
30.06	100km	3rd Palgongsan 100 km Ultramarathon	14:53:00 h	211
12.05	50km	1st Pohang Yeongilman Ultra Marathon 50 km	6:31:08 h	73
04.05	48h	KUMF 48H Cup	314.000 km	1 🏆
07.04	160km	1st Namhae Ultra Marathon 160km	19:06:35 h	3 🥉
24.03	100km	3rd Jeonju 100km Ultra Marathon	11:31:00 h	7
2006
31.12	100km	1st Gangjin Ultra Marathon	8:51:46 h	3 🥉
13.10	200km	1st Chuncheon 5-Dam 200km Ultra Marathon	40:40:00 h	22
08.10	50km	IAU 100km WC Misari/Seoul - open race 50km Split	3:48:59 h	4
08.10	100km	IAU 100km WC Misari/Seoul - open race	8:12:01 h	3 🥉
13.08	215km	1st East-West Unity 230km Ultra Marathon	41:49:00 h	2 🥈
02.07	71km	1st Daegu 9 Sanjongsan Mountain Ultra Marathon	18:38:00 h	12
17.06	200km	1st Mulsarang Nagdong 200km Ultra Marathon	34:36:00 h	75
27.05	100km	2nd Palgongsan 100 km Ultramarathon	9:20:27 h	1 🏆
22.04	250km	13. Sakura Michi Kokusai Nature Run	27:19:00 h	4
01.04	148km	5th Jeju-do across Mt. Halla 148km	22:58:51 h	4
25.02	24h	IAU 24h WC Taipei Yuanshan	220.683 km	28
11.02	100km	2nd Gyeongnam Goseong Ultra Marathon	9:43:34 h	3 🥉
2005
01.10	100km	1st Daejeon Yusung Hot spring Ultramarathon	12:35:35 h	25
30.09	245.3km	23. Spartathlon	29:08:02 h	7
03.09	100km	2. Yangyang Song-I 100 km Ultramarathon	11:54:39 h	4
21.08	100km	1st Busan Summer Beach 100 km Ultra Marathon	9:58:00 h	2 🥈
14.05	24h	KUMF 24H Cup	206.100 km	7
29.04	222km	2nd Pilgrimage to the Holy Land 222 km Ultramarathon	34:41:00 h	2 🥈
09.04	100km	3rd Cheongnamdae 100km Ultra Marathon	11:55:00 h	42
26.03	100km	1st Jeonju 100km Ultra Marathon	9:32:00 h	5
19.02	100km	1st Gyeongnam Goseong Ultra Marathon	10:40:00 h	7
2004
26.11	311km	5th Trans Korea 311 km West to East	2d 06:53:00 h	10
16.10	100mi	1st Chungju Lake 100 Miles	17:00:50 h	1 🏆
05.09	100km	1. Yangyang Song-I 100 km Ultramarathon	11:09:00 h	2 🥈
11.07	537km	2nd Trans Korea 537K South to North	5d 04:04:00 h	8
2003
26.10	100km	4th Seoul Ultra Marathon 100 km	11:57:00 h	16
15.06	100km	1st Gwangju 100km Ultra Marathon	10:26:00 h	7
17.05	100km	1st Homigot Moonlight Sonata 100 km	9:19:55 h	1 🏆
22.03	200km	2nd Jeju-do around 200 km	31:12:00 h	22
2002
03.11	100km	3rd Seoul Ultra Marathon 100 km	8:49:00 h	2 🥈

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	21/9/2007	1st Republic of Korea 1500 km Ultra Marathon	1 500,00	×15
✓ 2	7/7/2007	3rd Trans Korea 622K South To North	622,00	×6
✓ 3	11/7/2004	2nd Trans Korea 537K South to North	537,00	×5
✓ 4	4/5/2007	KUMF 48H Cup	314,00	×3
✓ 5	22/9/2016	17th Trans Korea 312 km West to East	312,00	×3
✓ 6	13/9/2018	19th Trans Korea 311 km West to East	311,00	×3
✓ 7	26/11/2004	5th Trans Korea 311 km West to East	311,00	×3
✓ 8	5/10/2023	23rd Trans Korea 308 km West to East	309,00	×3
✓ 9	22/4/2006	13. Sakura Michi Kokusai Nature Run	250,00	×2
✓ 10	30/9/2005	23. Spartathlon	245,30	×2
✓ 11	29/4/2005	2nd Pilgrimage to the Holy Land 222 km Ultramarathon	222,00	×2
✓ 12	25/2/2006	IAU 24h WC Taipei Yuanshan	220,68	×2
✓ 13	13/8/2006	1st East-West Unity 230km Ultra Marathon	215,00	×2
✓ 14	14/5/2005	KUMF 24H Cup	206,10	×2
✓ 15	2/6/2023	18h Water Love Nagdong River Ultramarathon 200 km	200,00	×2
✓ 16	23/4/2016	15th Jeju-do around 200 km	200,00	×2
✓ 17	14/6/2008	3rd Mulsarang Nagdong 200km Ultra Marathon	200,00	×2
✓ 18	13/10/2006	1st Chuncheon 5-Dam 200km Ultra Marathon	200,00	×2
✓ 19	17/6/2006	1st Mulsarang Nagdong 200km Ultra Marathon	200,00	×2
✓ 20	22/3/2003	2nd Jeju-do around 200 km	200,00	×2
✓ 21	16/10/2004	1st Chungju Lake 100 Miles	160,93	×1
✓ 22	7/4/2007	1st Namhae Ultra Marathon 160km	160,00	×1
✓ 23	1/4/2006	5th Jeju-do across Mt. Halla 148km	148,00	×1
✓ 24	22/2/2019	Transgrancanaria 128 km	128,00	×1
✓ 25	10/4/2026	1st Ultra-Trail Mogan by UTMB - DMG	113,00	×1
✓ 26	15/7/2017	2nd Transqilian Run 108km	108,00	×1
✓ 27	10/12/2022	3rd Thailand by UTMB - 104km	104,00	×1
✓ 28	1/6/2018	13th Water Love Nagdong River Ultramarathon 104 km	104,00	×1
✓ 29	13/8/2016	1st Yang Yang Int. Trailrun 100km	103,00	×1
✓ 30	8/2/2020	12th Tarawera 100 km Ultramarathon	102,00	×1
✓ 31	8/10/2016	10th Youngdong Dried Persimmon Ultramarathon	101,00	×1
✓ 32	13/12/2024	9th The North Face 100 Hong Kong	100,00	×1
✓ 33	15/6/2024	13th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 34	1/10/2022	15th Daejeon Yusung Hot spring 100 km Ultramarathon	100,00	×1
✓ 35	20/8/2022	18th Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 36	10/8/2019	4th Yang Yang Int. Trailrun 100km	100,00	×1
✓ 37	18/5/2019	1st Cheongpung Cultural Ultra Marathon	100,00	×1
✓ 38	9/3/2019	18th Jeju City 100 km	100,00	×1
✓ 39	28/7/2018	1st Tongyeong Ultra Marathon - 100km	100,00	×1
✓ 40	10/3/2018	17th Jeju City 100 km	100,00	×1
✓ 41	27/1/2018	8th Hong Kong 100 Ultra Trail Race	100,00	×1
✓ 42	13/5/2017	12th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 43	3/12/2016	1st Busan Gulls Ultra Marathon - 100km	100,00	×1
✓ 44	21/5/2016	2nd Jeonju 100km Ultra Marathon	100,00	×1
✓ 45	14/5/2016	11th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 46	20/2/2016	12th Busan Beach Ultramarathon 100km	100,00	×1
✓ 47	14/11/2015	Ultra Trail Mt. Halla (UTMH)	100,00	×1
✓ 48	31/10/2015	1st Busan 100k Ultra Trail Race	100,00	×1
✓ 49	12/9/2015	IAU 100km WC (RUN Winschoten 100 km)	100,00	×1
✓ 50	8/8/2015	2nd Geumcheongu Ultramarathon	100,00	×1
✓ 51	20/6/2015	6th Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 52	9/5/2015	10th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 53	18/4/2015	3rd DL100 Ultra Endurance Race	100,00	×1
✓ 54	15/11/2014	KUMF 100km Cup	100,00	×1
✓ 55	16/6/2012	3rd Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 56	12/5/2012	6th Pohang Yeongilman Ultra Marathon 100 km	100,00	×1
✓ 57	28/5/2011	2nd Ulsan Taewha River 100 km Ultramarathon	100,00	×1
✓ 58	22/3/2009	1. KUMF 100km Cup	100,00	×1
✓ 59	31/5/2008	4th Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 60	18/5/2008	5th Korea 100k Ultra Marathon Championship	100,00	×1
✓ 61	15/9/2007	1st Suncheon Bay 100 km Ultramarathon	100,00	×1
✓ 62	30/6/2007	3rd Palgongsan 100 km Ultramarathon	100,00	×1
✓ 63	24/3/2007	3rd Jeonju 100km Ultra Marathon	100,00	×1
✓ 64	31/12/2006	1st Gangjin Ultra Marathon	100,00	×1
✓ 65	8/10/2006	IAU 100km WC Misari/Seoul - open race	100,00	×1
✓ 66	27/5/2006	2nd Palgongsan 100 km Ultramarathon	100,00	×1
✓ 67	11/2/2006	2nd Gyeongnam Goseong Ultra Marathon	100,00	×1
✓ 68	1/10/2005	1st Daejeon Yusung Hot spring Ultramarathon	100,00	×1
✓ 69	3/9/2005	2. Yangyang Song-I 100 km Ultramarathon	100,00	×1
✓ 70	21/8/2005	1st Busan Summer Beach 100 km Ultra Marathon	100,00	×1
✓ 71	9/4/2005	3rd Cheongnamdae 100km Ultra Marathon	100,00	×1
✓ 72	26/3/2005	1st Jeonju 100km Ultra Marathon	100,00	×1
✓ 73	19/2/2005	1st Gyeongnam Goseong Ultra Marathon	100,00	×1
✓ 74	5/9/2004	1. Yangyang Song-I 100 km Ultramarathon	100,00	×1
✓ 75	26/10/2003	4th Seoul Ultra Marathon 100 km	100,00	×1
✓ 76	15/6/2003	1st Gwangju 100km Ultra Marathon	100,00	×1
✓ 77	17/5/2003	1st Homigot Moonlight Sonata 100 km	100,00	×1
✓ 78	3/11/2002	3rd Seoul Ultra Marathon 100 km	100,00	×1
✓ 79	14/4/2024	9th Jiangnan 100 Ultra Trail - 50mi	85,00	—
80	2/7/2006	1st Daegu 9 Sanjongsan Mountain Ultra Marathon	71,00	—
81	3/6/2017	5th Geoje Jimaek Trail Run - 70 km	70,00	—
82	25/6/2016	4th Geoje Jimaek Trail Run - 70 km	70,00	—
83	17/6/2023	12th Ulsan Taewha River 50 km Ultramarathon	50,00	—
84	29/4/2023	8th Korea 50K	50,00	—
85	18/6/2022	11th Ulsan Taewha River 50 km Ultramarathon	50,00	—
86	15/6/2019	10th Ulsan Taewha River 50 km Ultramarathon	50,00	—
87	16/6/2018	9th Ulsan Taewha River 50 km Ultramarathon	50,00	—
88	17/6/2017	8th Ulsan Taewha River 50 km Ultramarathon	50,00	—
89	16/8/2014	10th Busan Summer Beach 50 km Ultra Marathon	50,00	—
90	9/5/2009	3rd Pohang Yeongilman Ultra Marathon 50 km	50,00	—
91	12/5/2007	1st Pohang Yeongilman Ultra Marathon 50 km	50,00	—