The Boise Twilight Criterium is considered one of Boise's premiere annual events. In the past, it has drawn more than 20,000 people to the downtown Boise and brought professional cyclists from around the world to compete.

This year the Criterium celebrates 30 years with a birthday bash for all ages, full of activities and races.

Start at noon with an autograph session and kids' ride with Boise cycling legend Kristin Armstrong. The races begin at 2 p.m. Find more information on races and awards, HERE.

Check out last year's event:

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