With four top-five finishes in the first six events for IMCA Modifieds, Joel Rust is the new point leader heading into Tuesday’s Arnold Motor Supply Hawkeye Dirt Tour event at Dubuque Speedway. (Photo by Barry Johnson)DUBUQUE, Iowa – Opening night of the Dubuque County Fair brings the Arnold Motor Supply Hawkeye Dirt Tour for IMCA Modifieds to town for a Tuesday, July 25 event.The Open Wheel Race Day show at Dubuque Speedway pays $1,200 to win and a minimum $150 to start. The feature is also a qualifier for the 2018 Fast Shafts All-Star Invitational ballot.The Hawkeye Dirt Tour has yet to see a repeat winner through its first six races so far this season. Joel Rust of Grundy Center has parlayed four top-five finishes into the series point lead.Also running are Karl Chevrolet Northern SportMods, for $450 to win.The grandstand is open all day and pit gates open at 4 p.m. Hot laps are at 6:30 p.m. with racing at 7 p.m.Spectator admission is free with paid admission ($10 for adults) to the fair. Pit passes are $25.More information is available by calling 563 588-1406 and at the www.dbqfair.com website.IMCA Speedway Motors Weekly Racing National, Side Biter Chassis North Central Region, Allstar Performance State and special series points will be awarded to the IMCA Modifieds, national and state points to the Northern SportMods.The eighth annual Arnold Motor Supply Hawkeye Dirt Tour concludes with events Aug. 7 at Clay County Fair Speedway in Spencer and Aug. 9 at Buena Vista Raceway in Alta. All three Hawkeye Dirt Tour events will be broadcast by IMCATV.Arnold Motor Supply Hawkeye Dirt Tour top 20 point standings – 1. Joel Rust, Grundy Center, 218; 2. Kelly Shryock, Fertile, 217; 3. Kyle Brown, Madrid, 195; 4. Todd Shute, Des Moines, 193; 5. Jacob Murray, Hartford, 174; 6. Cayden Carter, Oskaloosa, 167; 7. Justin Kay, Wheatland, 143; 8. Hunter Marriott, Brookfield, Mo., 133; 9. Tyler Droste, Waterloo, 111; 10. Kurt Kile, Nichols, 109; 11. Tim Ward, Harcourt, 108; 12. Corey Dripps, Reinbeck, 104; 13. Ricky Thornton Jr., Chandler, Ariz., and David Brown, Kellogg, both 102; 15. Jimmy Gustin, Marshalltown, 95; 16. Shane DeMey, Denison, 92; 17. Troy Cordes, Dunkerton, 89; 18. Clay Money, Penokee, Kan., 88; 19. Jesse Hoeft, Forest City, 86; 20. John Emerson, Waterloo, 83.