What to expect
Prepped, watered and open at 10. Thunder Valley Motocross Park in Lakewood, Colorado is open for riding on Sunday, September 20, 2026, with the track prepped and watered. The track is open both Saturday and Sunday this weekend, opening at 10 AM each day.
The post does not give a closing time or practice fees, so check the Thunder Valley Motocross Park Facebook page before you haul. Complete the online waiver before you arrive to speed up the gate line. The track is at 701 S Rooney Rd, off C-470 on the west side of the Denver metro.
Race-day schedule
10:00 AMTrack opens, prepped and watered