Track: Knoxville Raceway in Knoxville, Iowa (semi-banked, half-mile clay oval).

2019 purse: $273,510 includes $40,000 to 100-lap winner and at least $2,500 to all 30 starters.

Sanction: Lucas Oil Late Model Dirt Series

Last year’s winner: Jimmy Owens of Newport, Tenn., who won his first career Knoxville Nationals

Tickets: Thursday and Friday adult general admission $25 (13-19 $18; 6-12 $13; 5-and-under free); Saturday $35 (13-19 $25; 6-12 $18; 5-and-under free). Add $7 for reserved seats.

Pit passes: $50 each day.

On the web: knoxvilleraceway.com

Track phone: (641) 842-5431

Pay-per-view: Live productions for Thursday and Friday preliminary events are available at DirtonDirt.com with multiple announcers, multiple cameras, on-screen race lineups and a live timing and scoring feed. Prices are $29.99 each day. Saturday's event available at lucasoilracing.tv.

Notes: There have been in 12 winners in 15 Knoxville Late Model Nationals. … Mike Marlar (’16-’17) of Winfield, Tenn.; Scott Bloomquist (’05, ’09) of Mooresburg, Tenn.; and Brian Birkhofer (’04, ’14) of Muscatine, Iowa, are the only repeat winners. … Marlar is the lone back-to-back winner. … With three straight wins by Tennesseans, drivers from the Volunteer State have captured five of the 15 Knoxville Lucas Oil Nationals. … Last year’s event drew 57 entrants, up one from 2017. … The record car count of 98 was set in 2004’s inaugural event. … Defending race winner Jimmy Owens of Newport, Tenn., has led more feature laps (174) than any other driver in event history. Owens has logged laps at the front in six of the 15 main events. … The 2006 edition, won by Brian Shirley of Chatham, Ill., produced the most lead changes (9), while the last two races have produced two lead changes each. … The event’s oldest winner, Billy Moyer of Batesville, Ark., was 52 years and 11 months old when he won the Knoxville Nationals in 2010. … Bloomquist and Josh Richards have five top-five finishes, while Brian Birkhofer and Steve Francis had four apiece. … Jimmy Mars of Menomonie, Wis., has made 15 appearances, the most of any driver, with a best finish of fourth place three times (’08, ’14, ’17). … Earl Pearson Jr. of Jacksonville, Fla., holds the track record for Late Models at 16.631 seconds. … To set Saturday’s lineups, drivers earn points through their time trials, heats and features on Thursday and Friday. Teams will take the highest point total of their two nights to set their starting positions for Saturday’s events. The top 24 cars in points are locked into the A-main starting in order by point totals, with the highest point total starting on the pole. Teams must qualify on Thursday. Teams that qualify Friday only can not start better than 15th on Saturday. … Saturday’s program includes D-mains if necessary, along with C-mains, B-mains and the 100-lap main event. … Hoker Trucking is sponsoring the $2,000 pole award, given to the polesitter of Saturday’s main event. … The Malvern Bank Super Late Model Series runs an invitation-only $4,000-to-win program Saturday. ... A driver autograph session is set for 3 p.m. Saturday in the Dyer-Hudson Hall off the Midway. … Knoxville Raceway, originally a horse track, hosted its first automobile race in 1901. The track began hosting weekly events in 1954. … The facility has 24,172 seats, including 16,289 in the main grandstand.