The 17th running of the Grade III $300,000 Lone Star Park Handicap for 3-year-olds and up is on tap Monday at Lone Star Park at Grand Prairie.The featured race, covering 1 mile and 1/16th on the main track, will be the 10th on the 11-race card. Approximate post time is 5:47 p.m. Gates open at 11:30 a.m. Post time for the first race is 1:35 p.m. Admission is $5 and general parking is free.Here’s a look at some of the other happenings Monday at Lone Star Park :• “Win a Million” high hand poker promotion sponsored by WinStar World Casino. Four people will have an opportunity to play for $1 million. Completed official entry forms must be dropped in the contest bins by 2 p.m. Four finalists will be drawn. No purchase necessary. Must be 21 years of age or older. Must be present to win. For complete rules and more information visit LoneStarPark.com.• Live music with Incognito on the Courtyard of Champions stage from noon to 4 p.m.• The Family Fun Park, open from noon to 4 p.m. on the Bar & Book Lawn, includes bounce houses, pony rides and more.• The Food Truck Festival features the top food trucks in the Metroplex including The Butcher’s Son, Gandolfo’s NY Deli, What’s the Scoop? and more from noon to 4 p.m. in the Courtyard of Champions.