Runs in South East in March 2026

Find runs near me in South East in March 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!

Sun 1 Mar 2026
£44.50-£46.50
4 charities

Sun 1 Mar 2026
£44.50-£46.50
4 charities

Brighton, East Sussex, UK

Altra Brighton Half Marathon

Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!

Chip timing
Enter online
Traffic free
Age 17 & over

13.1 miles road running

The traditional Kingston 8-mile loop is a single lap from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

Sun 8 Mar 2026
£27.50-£34.50

Sun 8 Mar 2026
£27.50-£34.50

Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 8 Mile

The traditional Kingston 8-mile loop is a single lap from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

Enter online
Flat
Age 17 & over

8 miles road running

The 16-mile race is two laps of the traditional course from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

Sun 8 Mar 2026
£32.50-£39.50

Sun 8 Mar 2026
£32.50-£39.50

Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 16 Mile

The 16-mile race is two laps of the traditional course from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

Chip timing
Enter online
Flat
Age 17 & over

16 miles road running

The 20-mile race is two 8-mile laps from the ancient marketplace plus a 4-mile stretch along the river towpath, as part of the wider raceday, with a bespoke medal for every finisher!

Sun 8 Mar 2026
£34.50-£41.50

Sun 8 Mar 2026
£34.50-£41.50

Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 20 Mile

The 20-mile race is two 8-mile laps from the ancient marketplace plus a 4-mile stretch along the river towpath, as part of the wider raceday, with a bespoke medal for every finisher!

Chip timing
Enter online
Flat
Traffic free
Age 18 & over

20 miles road running

Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!

Sun 22 Mar 2026
1 charity

Sun 22 Mar 2026
1 charity

Reading, Berkshire, UK

Green Park Reading Half Marathon

Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!

Chip timing
Enter online
Age 17 & over

13.1 miles road running

A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!

Sun 29 Mar 2026
£26-£37.50

Sun 29 Mar 2026
£26-£37.50

Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 10K

A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!

Enter online
Hilly
Age 16 & over

10 km multi terrain running + 1501 ft ascent

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

Sun 29 Mar 2026
£26-£37.50

Sun 29 Mar 2026
£26-£37.50

Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

Enter online
Hilly
Age 16 & over

13.1 miles multi terrain running + 3002 ft ascent

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

Sun 29 Mar 2026
£26-£37.50

Sun 29 Mar 2026
£26-£37.50

Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

Enter online
Hilly
Age 16 & over

26.2 miles multi terrain running + 6004 ft ascent

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.

Sun 29 Mar 2026
£26-£37.50

Sun 29 Mar 2026
£26-£37.50

Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 40 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.

Enter online
Hilly
Age 16 & over

40 miles multi terrain running + 9006 ft ascent

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

Sun 29 Mar 2026
£31

Sun 29 Mar 2026
£31

Romney Marsh, Kent, UK

Brett Lydd Half Marathon

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

Chip timing
Enter online
Flat
PB
Age 17 & over

13.1 miles road running + 104 ft ascent

Sun 29 Mar 2026
£33

Sun 29 Mar 2026
£33

Romney Marsh, Kent, UK

Brett Lydd 20 Mile

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.