Bike Course

(56 miles)

Athletes will leave Barclay Bay, cross Lucky Peak Dam and head south on Highway 21.The bike route encompasses roads primarily south of the airport, including Gowan, Pleasant Valley, 10 Mile Creek, Cloverdale and Kuna Mora. Competitors will follow S. Federal Way on to S. Capitol Boulevard and into downtown Boise.

Note: Riding on Micron property between Technology Way and S. Federal Way is not permitted prior to race day.

Bike Map (PDF)

Bike Elevation Map (PDF)

Turn by Turn Directions:
• Turn left on Highway 21

• Turn left on Technology Way

• Turn right on E. Circuit Lane

• Turn left on Memory Road (becomes Technology Lane)

• Turn left on S. Federal Way

• Turn right on W. Memory Road (becomes W. Eisenman Road)

• Continue on S. Blue Cloud Lane

• Turn right on Freight Street

• Turn left on S. Eisenman Road

• Turn left on E. Gowen Road (becomes W. Gowen Road)

• Turn left on Pleasant Valley Road

• Turn right on 10 Mile Creek Road to turnaround

• Turn left on Pleasant Valley Road

• Turn right on W. Gowen Road (becomes E. Gowen Road)

• Turn right on S. Eisenman Road

• Turn left on Freight Street

• Turn right on S. Blue Cloud Lane

• Turn right on W. Eisenman Road

• Turn left on S. Federal Way

• Turn right on Technology Lane

• Turn right on E. Circuit Lane

• Turn left on Technology Way

• Turn right on Highway 21/ E. Gowen Road

• Turn left on E. Warm Springs Avenue

• Bear left on E. Parkcenter Boulevard

• Turn left on Brown Road

• Turn left on E. Boise Avenue

• Turn right on Holcomb Road

• Turn right on E. Bergeson Street

• Turn right on S. Federal Way

• Turn right on S. Capitol Boulevard to transition

    About the event

    Ironman 70.3 Boise, taking place in Boise, Idaho is a favorite among first-time Ironman athletes. The swim will be held in Lucky Peak Reservoir and the bike and run course takes athletes along the Boise Greenbelt and finishes in downtown Boise.

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