Six Flags Great America kicks off Fright Fest this weekend

Fright Fest returns for its 29th season at Six Flags Great America this weekend.

For eight straight weekends and on select weekdays, Six Flags Great America will be transformed into a Halloween-themed amusement park.

Rest in Terror, the 30-hour Coffin Challenge, returns this season. Participants have the chance to win $600.

The Coaster Challenge will also return for a sixth straight year, teaming up with Special Olympics of Illinois. Challengers must register online and raise funds to get early access to the park and ride the distance of a 5K, 10K, half-marathon or marathon on rollercoasters.

Fright Fest begins Sept. 14 and lasts through Nov. 3. For more information,