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(Photo by Paul Arch) Inside Line Promotions – MARION, Ark. (June 29, 2020) – Derek Hagar will nearly double his number of 360ci winged sprint car starts this season when he tackles four straight races this week. Hagar plans to compete on Wednesday at I-30 Speedway in Little Rock, Ark., before facing USCS Series races on Thursday at Riverside International Speedway in West Memphis, Ark.; on Friday at Lexington 104 Speedway in Lexington, Tenn.; and on Saturday at Magnolia Motor Speedway in...more

Inside Line Promotions – WEST MEMPHIS, Ark. (Oct. 10, 2022) – Derek Hagar captured a Flip Flop 50 feature triumph for the seventh time in his career last Saturday at Riverside International Speedway. Hagar is the winningest driver during the USCS Series event, which runs a 25-lap feature and then inverts the feature winner for the second 25-lap main event. “I don’t know what it is about that event, but it seems to play toward our favor,” he said. “We made some good passes in the heat race...more

(West Memphis, AR) -- Derek Hagar and Howard Moore each won 25 lap features as Part of the Flip Flop 50 for USCS sanctioned Winged 360 Sprint Cars Saturday night at Riverside International Speedway. RESULTS BIG CREEK CANNABIS 360S WINGED SPRINTS FLIP (25 Laps): 1. 9JR-Derek Hagar[1]; 2. G6-Cody Gardner[3]; 3. 5-Gavan Boschele[11]; 4. 47-Dale Howard[4]; 5. 3-Howard Moore[10]; 6. 91A-Ernie Ainsworth[8]; 7. 187-Landon Crawley[14]; 8. 71-Bradyn Baker[15]; 9. 24-Jeffrey West Jr[12]; 10. 84-Brandon...more

(Photo by B Young Photography) Inside Line Promotions – WEST MEMPHIS, Ark. (Aug. 22, 2022) – Jordon Mallett produced his 11th top-five finish of the season last Saturday during a USCS Series event at Riverside International Speedway. Mallett won a heat race to open the action before the feature inversion lined him up on the outside of the second row. “It took a while for the track to start to come in,” he said. “I felt like we put ourselves in a decent position after the heat race. We just...more

Howard Moore returned to the driver's seat for the first time in over a month on Saturday night with the short trip to Riverside International Speedway (West Memphis, Ark.) for the United Sprint Car Series (USCS) event presented by K&N Filters. Twenty-two racers were on hand for the event, and Howard passed one competitor in his heat race to finish 2nd. Starting the 30-lap feature in sixth, Howard advanced to a fourth-place finish aboard his Rains Motorsports No. 3 Sprinter. He followed Derek...more

(Photo by Ron Gilson/GilsonPhoto) Inside Line Promotions – LEXINGTON, Tenn. (June 2, 2020) – Jordon Mallett earned his first three podium finishes of the season last weekend, highlighted by a second-place run on Friday at Old No. 1 Speedway in Harrisburg, Ark. Mallett also picked up a pair of third-place results on Saturday at Riverside International Speedway in West Memphis, Ark., and on Sunday at Lexington 104 Speedway during the start of the 15th annual USCS Sprint Speedweek. “It’s good to...more