Colorado State Fair 2025 Dates 2025. Other scheduled events include a prca rodeo, ranch rodeo,.  — this year's fair begins friday, august 23 and runs until labor day, which is monday, september 2.

 — pueblo’s homegrown country music star cody cozz will join trace adkins at the colorado state fair. The iconic colorado state fair parade, themed in 2025 “colorful colorado”, will take place saturday, august 24.