Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

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

Iosif KASSEM

Nationality

Greece

Age

40-44 Men

Connect to claim this page

UTMB Index

Index

20K

50K

100K

100M

499

497

441

396

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

10.11.2025

Virgin Forest Trail 2025 - Natura Trail Race

100K

110 KM
4390 M+

23:27:40

49 / 63

43 / 55

06.28.2025

OLYMPUS MARATHON 2025 - Olympus Ultra 70k

100K

72.5 KM
5400 M+

20:37:55

158 / 172

145 / 157

10.26.2024

Sfakia Sky Marathon 2024

50K

44 KM
3043 M+

09:15:43

41 / 58

37 / 52

05.25.2024

Metsovo Ursa Trail 2024 - Ursa Trail 40 Km

50K

41.3 KM
2890 M+

07:17:51

165 / 262

152 / 241

02.04.2024

Retzakas Trail Run 2024 - Retzakas Challenge

20K

24.3 KM
1350 M+

03:05:00

30 / 96

29 / 82

10.21.2023

Virgin Forest Trail 2023 - Paranesti Path

50K

45 KM
1870 M+

06:55:03

45 / 105

41 / 91

06.24.2023

OLYMPUS MARATHON 2023 - Olympus Marathon ®

50K

43.7 KM
3235 M+

09:07:35

224 / 398

205 / 354

12.11.2022

OLYMPUS MARATHON 2022 - Winter Enipeas Canyon

20K

23.5 KM
1750 M+

04:39:20

295 / 392

255 / 333

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

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