The event and simultaneous 7K, which both begin and end at Eakins Oval, are expected to draw more than 11,000 participants.
Xiao Fen, 35, was in the lead as she approached the finish line at the Women's Half Marathon in Chongqing, China on Saturday.
The AJ Bell Great Bristol Run 2025 half marathon has sold out, but there are still limited spots for the 10k. Discover how you can still participate and more about the new medal design.