What: The 46th annual NAPA Ignitor Nitro Funny Car Opener featuring the NHRA Hot Rod Heritage Series and Division 6 Lucas Oil Drag Racing Series. Sportsman classes participating include Comp, Super Stock, Stock, Top Dragster, Top Sportsman, Super Comp, Super Gas, Super Street, Sportsman Bike/Bike, Super Pro, Pro and Sportsman
When: Gates open at 8 a.m. each day, time trials begin at 9 a.m. each day, and Funny Car racing is at 4 p.m. (Friday), 1 p.m. and 5:30 p.m. (Saturday), and 1 p.m. (Sunday)
Admission: $15 adults (Friday), $20 adults (Saturday & Sunday), and children 15 and younger are free each day
Location: Five miles north of Highway 44 on Highway 16, about 10 minutes northwest of Eagle
OWYHEE MOTORCYCLE CLUB
What: Summer Short Track Series for karts, bikes and quads
When: Gates open at 3:30 p.m., and racing starts at 6 p.m.
What: OMC Summer Motocross Series round No. 4
When: Gates open at 6:30 a.m., practice starts at 8 a.m. and racing begins at 9 a.m.
Admission (each day): $10 adults and $5 for children, seniors and members. Children 5 and younger are free
Location: 6600 Cartwright Road, Boise