Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

North America

09 - 12 April 2026

16 - 18 April 2026

23 - 26 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Asia

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

14 - 15 March 2026

06 - 08 March 2026

29 November - 07 December 2025

14 - 16 November 2025

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Calvin KUO

Nationality

United States of America

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

490

-

-

489

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.13.2025

Gorge Waterfalls 2025 - 100K

100K

98.9 KM
3312 M+

15:30:29

210 / 310

158 / 218

02.11.2024

Black Canyon Ultras 2024 - 100K

100K

99.9 KM
1720 M+

14:29:14

307 / 736

231 / 515

08.05.2023

Waldo 100k 2023

100K

100.5 KM
2890 M+

15:17:22

48 / 102

38 / 74

05.06.2023

Tillamook Burn Trail Run 2023 - 50 Miler

100K

80.4 KM
2750 M+

11:31:04

71 / 137

49 / 96

03.21.2022

CHUCKANUT 50K 2022

50K

49.5 KM
2000 M+

05:35:03

135 / 421

95 / 239

03.06.2022

Mesquite Canyon 2022 - 50 Km

50K

49.5 KM
1510 M+

06:31:19

12 / 63

11 / 48

12.07.2019

Brazos Bend 100 2019 - 100M

100M

162.3 KM
2730 M+

24:37:46

54 / 119

42 / 82

09.14.2019

Olympic Mountains 50K 2019

50K

51.4 KM
2540 M+

06:37:09

14 / 57

12 / 39

05.11.2019

Sun Mountain Trail 2019 - Sun Mountain 50 Mile

100K

81.3 KM
2090 M+

11:23:10

64 / 180

44 / 106

03.29.2019

Badger Mountain Challenge 2019 - 50 Mile

100K

79.3 KM
2210 M+

10:13:17

39 / 128

32 / 90

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

Cookies preferences

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..