Loop #1: All 10K and Half Marathon racers use loop #1. 10K finishes on Gemini (6.2 miles). Half Marathon turns around at 10K finish line to start loop #2.

Loop #2: Half Marathon racers use loop #2 (6.9 miles). Additional distance for loop #2 (.9 miles) is added as racers enter Fanno Creek Trail (south) for a short out and back. The Half Marathon then heads north on Fanno Creek Trail and rejoins loop #1 to finish.

Both loops turn around at Fanno Creek and SW Denney

5K-utilizes PRC Winter/Spring 5K race series course.