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Europe
7th June 2025
12 - 15 June 2025
13 - 15 June 2025
25 - 29 June 2025
02 - 06 July 2025
03 - 05 July 2025
11 - 13 July 2025
16 - 20 July 2025
18 - 20 July 2025
07 - 09 August 2025
25 - 31 August 2025
18 - 21 September 2025
19 - 21 September 2025
25 - 28 September 2025
26 - 28 September 2025
31 October - 01 November 2025
31 October - 02 November 2025
07 - 09 November 2025
22 - 25 January 2026
18 - 22 March 2026
09 - 12 April 2026
16 - 18 May 2025
15 - 18 May 2025
25 - 27 April 2025
27 - 29 March 2025
Asia
19 - 22 June 2025
17 - 19 October 2025
14 - 16 November 2025
29 November - 07 December 2025
01 - 04 May 2025
11 - 20 April 2025
01 - 02 March 2025
South America
19 - 21 June 2025
01 - 03 August 2025
18 - 22 November 2025
North America
28 - 29 June 2025
25 - 26 July 2025
27 - 28 September 2025
02 - 04 October 2025
10 - 11 October 2025
10 - 12 April 2026
24 - 25 April 2026
Oceania
27 - 29 November 2025
14 - 15 February 2026
14 - 17 May 2026
Africa
22 - 25 May 2025
km
Race Information
List of Races
UTS 100M
UTS 100K
UTS 50K
ERYRI 25K
ERYRI MINI Kids' Race
UTMB World Series
Runner Information
Registration Conditions
Race Regulations
Required Experience
Event Schedule
Mandatory Kit
Top Ranked Runners
Nutrition Guide
Car Parking
2025 Runner's Guide
Results
Visiting Information
Discover Eryri Snowdonia
How to get here
Nirvana Travel & Accommodation
Ultra-Trail Village
Official Recce Days
About UTS
Volunteering
Become a Volunteer
Land Access
Land Owners
Take action
Charity Bibs
Uts 100m
Starting on Friday, UTS 100M is the ultimate grand-tour of Eryri/Snowdonia. It really is: 'Beautiful beyond belief. Savage beyond reason'.
Race Category
Running Stones
Finals Access
Distance
164 KM
Elevation Gain
9500 M+
Start Date
Friday 16th May 2025
Race Start
Llanberis - 13:00
Max Allowed Race Time
48 Hours
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