There are running races for all levels, from beginners looking to complete their first race to advanced athletes looking to set a PR or pushing their mileage in an ultramarathon.
For those looking for a fun experience with friends and family, there are a number of obstacle course races or fun runs. Normal road races usually come as 5ks, 10ks, half marathons, or marathons. Ultramarathons, anything above 26.2 miles, tend to be on trails.