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UTMB World Series Events

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Asia

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

30 April - 03 May 2026

15 - 17 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

North America

21 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

02 - 04 October 2025

26 - 28 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

JOO SIK SEO

Nationality

South Korea

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

431

-

432

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.27.2025

JANGSU TRAIL RACE 2025 - 6TH JTR 38K-J

50K

38.8 KM
2632 M+

-

DNF

DNF

09.06.2025

2025 Dynafit Taebaek Trail 2025 - Dynafit TAEBAEK TRAIL 51K

50K

51.1 KM
2550 M+

-

DNF

DNF

06.29.2025

KOREA 50K CHUNCHEON 2025 - CC50

50K

51 KM
3200 M+

12:34:01

277 / 353

239 / 304

06.07.2025

SNTR(Seong Nam Trail Race) 2025 - SN 40

50K

40 KM
1830 M+

07:26:05

78 / 174

61 / 132

04.26.2025

Black Yak Trail Running 2025 - Black Yak Trail 50

50K

57 KM
2117 M+

09:40:10

272 / 600

231 / 467

11.10.2024

Seoul Hidden Trails International Trailrun 2024 - 55km

50K

55 KM
3528 M+

12:19:03

22 / 38

18 / 30

10.30.2020

HIGH TRAIL NINE PEAKS 2020 - 9 peaks

100M

106.5 KM
10460 M+

-

DNF

DNF

11.09.2019

KOREA ALPS HIGH TRAIL 2019 - High Trail

50K

41.1 KM
3070 M+

08:20:37

49 / 144

45 / 122

05.18.2019

TNF100KOREA 2019 - 100K

100K

109.8 KM
4620 M+

25:23:14

107 / 147

92 / 127

11.24.2018

KOREA ALPS HIGH TRAIL 2018 - High Trail

50K

40.4 KM
2780 M+

08:45:12

113 / 217

91 / 175

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UTMB® World Series - Ranking of trail runners by performance level on trail running

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