Lake Sammamish Half Marathon

March 6, 2027

Redmond

The Lake Sammamish Half Marathon is a USATF CERTIFIED course that takes runners along the smooth gravel trail that connects Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah. This interurban trail is very popular with runners; About 30% of the course will be on fast, smooth gravel surface and 70% on pavement. This flat run is perfect for a personal best!