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UTMB World Series Events

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North America

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

04 - 06 March 2027

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

27 - 28 June 2026

South America

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

26 - 28 June 2026

20 - 22 March 2026

Asia

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

27 November - 06 December 2026

10 - 12 December 2026

08 - 10 January 2027

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

06 - 08 March 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

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Callum BOSTOCK

United Kingdom

20-34 Men

20K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2025

May 3

100K

Isle of Wight Challenge

Isle of Wight Challenge

Cat.

100K

country

Distance

106 KM

2100 M+

Time

13:13:46

Rank

14

465

Gender

14

318

March 29

50K

Full 50KM

Bath 50 Challenge

Cat.

50K

country

Distance

50 KM

1014 M+

Time

04:47:03

Rank

3

945

Gender

3

442

2024

May 4

100K

Isle of Wight Challenge

Isle of Wight Challenge

Cat.

100K

country

Distance

106 KM

2100 M+

Time

13:45:43

Rank

16

456

Gender

15

298

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

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