50 ultra

Chiltern 50 Ultra Challenge

This 50km looped route covers some of the best of the Chilterns countryside. You can Walk, Jog, or Run along historic trails and over rolling hills.

TCS London Marathon 2025

Join Team Breathe for the world's most famous running event.
District Challenge

Lake District Ultra Challenge 2024

Walk, jog or run your chosen distance on this beautiful Lake District event.
London Landmarks

London Landmarks Half Marathon 2025

London Landmarks Half Marathon - bag your place today!

Great North Run 2024

Ready for a challenge? Join #TeamBreathe for the biggest half marathon in the world! Find out how to get your place and support people with lung disease.
Hackney Half Marathon

Hackney Half Marathon

Expect pure vibrancy as the borough comes alive for a weekend of celebration.

Royal Parks Half Marathon 2024

A flat and friendly course passing London’s most spectacular sights.
Cardiff Half Marathon

Cardiff Half Marathon 2024

Join Team Breathe for one of Wales’ largest fundraising events
Edinburgh marathon festival

Edinburgh Marathon Festival

Run with Team Breathe for Scotland’s largest running event!
Runners participating in a marathon, with a woman in an Asthma + Lung UK vest smiling and giving a thumbs-up

Local running events

Run for Asthma + Lung UK in your local area!
Thames Bridges Trek

Thames Bridges Trek

Join 2,000 walkers trekking through the iconic capital, taking in all the sights and crossing 16 historic London bridges.
Peak District Challenge

Peak District Challenge

Join 2,000 other adventurers to trek through the Peak District National Park.