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California TrailOn Aug. 13 and Aug. 20, the City of Rocks National Preserve in Almo will hold a California Trail Guided Auto Tour. Call 208-824-5901, to sign up.

Ducks Unlimited conventionOn Aug. 14, Ducks Unlimited with hold its state convention in McCall at 6 p.m. at the McCall RV Resort. Go to www.ducks.org/idaho/events

Dog trainingOn Aug. 14 to Aug. 16, the Upper Snake River Valley Dog Training Club will hold training and trails for dogs and owners at 8 a.m. at Tautphaus Park. Go to www.usrvdtc.org/site/trials-certification/

Family Mud RunOn Aug. 15, a mud obstacle course run will be held at Sandy Downs starting at 9:30 a.m. Go to Family Mud Run on Facebook.

Sunset hikeOn Aug. 21, Harriman State Park will hold a Sunset Hike starting at 7:30 p.m. from the Ranchview Parking area.

Star gazingOn Aug. 21 and 22, the Eastern Idaho Astronomical Outreach will hold an evening of star gazing at Harriman State Park starting at 9 p.m.

Mesa Falls MarathonOn Aug. 22, the Mesa Falls Marathon will start at 5:30 a.m. in Ashton with five different distances. Go to Mesa Falls Marathon on Facebook.

Dirtbike trainingOn Aug. 25, Idaho Parks and Recreation will present a Responsible Riders course at Airport Park in Blackfoot at 6 p.m. for dirtbike riders. Preregistration is required. Go to https://idpr.idaho.gov/reced

Dirtbike and ATV trainingOn Aug. 29, Idaho Parks and Recreation will present a Responsible Riders course at the Big Springs parking lot in Island Park at 9 a.m. for dirtbike riders and noon for ATV riders. Preregistration is required. Go to https://idpr.idaho.gov/reced

The Angry HorseOn Sept. 12, The Angry Horse gravel bike race will start at 6 a.m. in Bone with three courses. Tickets are on sale now. Go to www.ridetheangryhorse.com

ATV trainingOn Sept. 12, Idaho Parks and Recreation will present a Responsible Riders course at Noise Park west of Idaho Falls at 9 a.m. for ATV riders. Preregistration is required. Go to https://idpr.idaho.gov/reced

Mountain bike raceOn Sept. 19, the Pocatello Fall Ultra Mountain Bike Race will start at 7 a.m. with 100K and 50K options from Centennial Park. Go to pocatellofallultra.com

Dirtbike trainingOn Oct. 2, Idaho Parks and Recreation will present a Responsible Riders course at Airport Park in Blackfoot at 6 p.m. for dirtbike riders. Preregistration is required. Go to https://idpr.idaho.gov/reced