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Home
Events
All Events
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All Cities
London Running Events
All London Events
London 5k Runs
10k Runs London
London Half Marathon
Manchester Running Events
All Manchester Events
5k Events
10k Events
Half Marathon Events
Birmingham Running Events
All Birmingham Events
5k Events
10k Events
Half Marathon Events
Distances
All Distances
5k Events
10k Events
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20 Mile Running Events
Marathons
Other Distances
Trail Races
Triathlons & Duathlons
Regions
Northern Running Events
Midlands Running Events
Southern Running Events
London 5k Runs
10k Runs London
Venues
Series
Chase The Moon Races
Chase The Sun Races
Women's Run Series
RunThrough Trails Summit Series
RunThrough Trails Discover Series
Santa Runs
Top Flight Series
Gift Vouchers
Memberships (Season Passes)
Subscribe To Our Calendar
Race Info
Event Guides
Event Entries
Event Photos
Event Videos
Custom Event Videos
Results
Live Results
Your Rankings
Race Photographs
About Us
Bespoke Events
GW Active Agency
RunThrough Foundation
Important
FAQs
RunThrough Kit
Race Results
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Careers
Sustainability
Community
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RunThrough UK Chat Group
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42K
Searching for 42K runs & race events in the UK? RunThrough UK has the perfect 42K run for you! Whether you are a first-timer or a seasoned veteran we got you sorted.
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Events
2 events
Slide 1 of 1
RunThrough Trails Ascona-Locarno 2026
Sat, 24th Oct, 2026
£9 - £150
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Slide 1 of 1
Delamere Forest 10k, 21k and 42k November 2026
Sun, 22nd Nov, 2026
£35 - £80
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