Portland Half Marathon 2025 Registration. With four epic bridge crossings, a downtown start and finish, and a tour through some of the most iconic landmarks and neighborhoods in town, the portland marathon presented by ohsu health offers the most unique race experience. Strollers are allowed, but they will be lined up in the back at the start.

Register below to reserve your spot at maine’s best half marathon & 5k! Half | 15k | 10k | 5k.