Decision summary
Historical race-date favourability, not a forecast
Verified GPS route
Quick answers
RaceIndex has a GPS course file for Portland Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Portland Marathon is described as flat.
The Portland Marathon route starts at Waterfront Park, SW Naito Parkway at Salmon Street and finishes at Waterfront Park, Salmon Street. Underfoot, expect a road course. It passes Waterfront Park, Broadway Bridge, Sellwood Bridge, Burnside Bridge and Willamette River.
Neighborhood associations provide entertainment along designated course stretches. 7. Marathon 13 pace groups (2:55-4:20); half 7 pace groups (1:30-2:30).