Energetic participants laced up their running shoes for a day of exploring the oasis in the heart of Leeds.
The half marathon involved five gruelling laps of the 700 acre park, with stunning views of Waterloo Lake and concluding with a rewarding ascent to The Mansion building at the end.
Meanwhile, 10k participants tackled the course that comprised one lap of the park before two larger circuits, each offering glimpses of the natural environment before a final climb to The Mansion.
YEP photographer Steve Riding was there to capture all the action. Here are some of the best photos -
7. Run Yorkshire Half Marathon and 10K
The runners set off for the gruelling 10k. | Steve Riding Photo: Steve Riding
8. Run Yorkshire Half Marathon and 10k
The 10k participants tackled the course that comprised one lap of the park before two larger circuits, each offering glimpses of the natural environment before a final climb to The Mansion. | Steve Riding Photo: Steve Riding
9. Run Yorkshire Half Marathon and 10k
The park was filled with enthusiastic supporters, as well as energetic runners. | Steve Riding Photo: Steve Riding
10. Run Yorkshire Half Marathon and 10k
It all took place in Roundhay Park on April 14. | Steve Riding Photo: Steve Riding
11. Run Yorkshire Half Marathon and 10k
A half marathon runner is encouraged by the 10K runners waiting for their start time. | Steve Riding Photo: Steve Riding
12. Run Yorkshire Half Marathon and 10k
The bright, sunny weather made for perfect running conditions. | Steve Riding Photo: Steve Riding