Question 1

How long is a half marathon?

Accepted Answer

A half marathon is 21.0975 kilometres, or 13.1 miles — exactly half the marathon distance. Most finishers cross the line in 1:45 to 2:30.

Question 2

How long does it take to train for a half marathon?

Accepted Answer

Plan on 12 to 16 weeks of training if you can already run 5K comfortably. Build to a long run of 10 to 12 miles two weeks before race day.

Question 3

What's a good half marathon time?

Accepted Answer

Around 2 hours is a typical recreational goal. Sub-1:45 is a solid club time, sub-1:30 is competitive, and sub-1:15 is elite age-group level.

Question 4

How much does a UK half marathon cost?

Accepted Answer

Entry fees range from around £25 for small regional events up to £60+ for major city halves like the Great North Run or Royal Parks. Most fall in the £30 to £45 bracket.

Half Marathons in London 2026

Upcoming half marathons in London

Battersea Park 10K & Half Marathon June

Wimbledon Half Marathon & 10K June

Battersea Park 10K & Half Marathon July

Wimbledon Half Marathon & 10K July

RNLI Half Marathon Richmond

East Finchley Half Marathon

Battersea Park 10K & Half Marathon August

Battersea Park 10K & Half Marathon September

RunUK Victoria Park Half Marathon September

Royal Parks Foundation Half Marathon

Richmond Park Marathon & Half Marathon October

Finsbury Park Half Marathon & 10K October

Hampton Court Palace Half Marathon October

Wimbledon Half Marathon & 10K October

Battersea Park Halloween Half Marathon & 10K

Richmond Park Marathon & Half Marathon November

Battersea Park Half Marathon & 10K November

Wimbledon Half Marathon & 10K November

Battersea Park Christmas 10K & Half Marathon December

Other distances in London

Half Marathons in other UK regions

Frequently asked questions