Half marathons with PB potential in March 2026
Find half marathons with pb potential near me in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.

- Sun 1 Mar 2026
- £44.99-£49.99
Jones o Gymru Anglesey Half Marathon
The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.
- Chip timing
- Enter online
- Undulating
- PB
- Age 17 & over
- 13.1 miles road running + 889 ft ascent

- Sun 1 Mar 2026
- £32
Oundle 20 Mile
Come to the historic market town of Oundle for the return of the Oundle 20 Mile! Ideal training for spring marathons on a scenic course offering genuine PB potential.
- Enter online
- Undulating
- PB
- Age 18 & over
- 20 miles road running + 748 ft ascent

- Sun 8 Mar 2026
- £18-£35
- 8 charities
HOKA Paris Half Marathon
An early-season opener and chance to get back in the swing as spring approaches. Speed, timing, motivation, performance: this race will set the pace for your athletic challenges in the year to come.
- Newcomers
- Entertainment
- Music
- Chip timing
- Enter online
- PB
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Park
- Age 17 & over
- 21.1 km road running

- Sun 8 Mar 2026
- £34-£36
ATW Nottingham Holme Run | Half Marathon
Join this fantastic experience on a completely flat course – perfect for achieving your personal best over a certified, accurate route, with free race photo, custom medal and friendly support!
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 13 ft ascent

- Sat 14 Mar 2026
- £29-£31
Spring Time Canal Canter | Half Marathon
Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles trail running + 144 ft ascent

- Sun 15 Mar 2026
- £56.50
- 21 charities
GetPRO Bath Half
Run through traffic-free streets in the heart of Bath and experience the electric atmosphere on the course through the UK's only World Heritage City!
- Trees not tees
- Wheelchair users
- Recycling
- Plastic bottle free
- Entertainment
- Ballot
- Chip timing
- Enter online
- GPS tracking
- Fundraising required
- Flat
- PB
- Traffic free
- Event village
- Urban
- Park
- Sustainability policy
- Public transport links
- Plastic-free event
- Age 17 & over
- 13.1 miles road running + 239 ft ascent

- Sun 22 Mar 2026
- £40
The Hospice Half Marathon
Run a half marathon on the island of Jersey from St Ouen in the west to the capital, St Helier, in the south along a fantastically flat and scenic course with a 5K downhill into the finish!
- Newcomers
- Chip timing
- Enter online
- Flat
- PB
- Event village
- Age 17 & over
- 13.1 miles road running

- Sun 22 Mar 2026
- £32-£34
ATW Run Fest at Lee Valley | Half Marathon
Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 79 ft ascent

- Sun 29 Mar 2026
- £31
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
- £29-£31
RUN Battersea Park Half Marathon Spring
Lace up your trainers and RUN Battersea Park Half which will be a scenic and energising experience on a pancake-flat course for all abilities with beautiful views of green spaces and the River Thames.
- Newcomers
- Chip timing
- Enter online
- Flat
- PB
- Event village
- Park
- Age 18 & over
- 13.1 miles road running
- Sun 1 Mar 2026
London Half and 10K Presented by TREK | Half Marathon
- 21.1 km road running + 117 m ascent
- Sun 8 Mar 2026
Great Welsh Marathon Events | Half Marathon
- 13.1 miles road running + 240 ft ascent
- Sun 15 Mar 2026
Weymouth Half Marathon | Half Marathon
- 13.1 miles road running + 463 ft ascent
- Sun 15 Mar 2026
Milton Keynes Festival of Running | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Run Carlisle Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Waters Wilmslow Running Festival | The Asics Half Marathon
- 13.1 miles road running + 386 ft ascent