The Great South Run

Take on 10 miles along the Portsmouth seafront in this fast, flat and lively road race. With huge crowds and a fantastic atmosphere, it’s a great step up from a 10k without quite reaching half marathon distance.

Portsmouth Harbour and the Spinnaker Tower skyline, showing the coastal setting of the Great South Challenge fundraising event.

What to expect

Join thousands of runners on the Great South Run, 10 miles along the Portsmouth seafront. The route is flat and fast, the crowds are loud, and it’s a great step up if you’ve done a 10k and want a bigger challenge without committing to a half marathon. Run for Momentum and every mile will help us be there for families through serious illness and bereavement.

Other Events

Runners dressed up as Santa for the Santa in the City fun run, raising money for Momentum Children's Charity

Challenge Event

Santa in the City

Get into the festive spirit with a fun 5k through the heart of London, surrounded by hundreds of Santas. Expect Christmas lights, a lively atmosphere and plenty of festive fun along the way.

Christmas

Fun Runs

Runs

December 8, 2026 – December 10, 2026

Paternoster Square

Challenge Event

Brighton Half Marathon

Take on 13.1 miles along the Brighton coastline, with sea views, lively crowds and a brilliant race-day atmosphere. Whether you’re chasing a PB or soaking up the experience, there’s plenty to keep you motivated.

Marathons

Runs

February 28, 2027

Brighton

Hampton Court Palace stands beyond its expansive lawns and neatly trimmed topiary, showing the historic setting of this charity challenge event.

Challenge Event

Hampton Court 10k

Fancy a spring running challenge without taking on a half marathon? The Hampton Court 10k offers a scenic route, a friendly atmosphere and a distance that’s achievable while still giving you something to train towards. Join Team Mo and take on the challenge for us.

10k

Runs

March 13, 2027

Hampton Court