Here are some of the best pictures of the day.
1. A sea of runners
Runners set off from Stormont. Photo: Pacemaker
2. Ready for the off
Paula Green and Chrissy Watt at the 2023 Mash Direct Belfast City Marathon. Photo: Kelvin Boyes
3. One for the album
Freedom Runners at the 2023 Mash Direct Belfast City Marathon. Photo: Kelvin Boyes
4. Getting ready to go
Caoimhe Conway, Stephen Acheson and Eimear Wilson. Photo: Kelvin Boyes