Live Thoroughbred Racing. Every Monday, Tuesday and Wednesday (May 20 to Sept 17) at 7:30 p.m. Horse racing, 140 VLTs and fabulous dining - it’s fun you can bet on! Free admission and free parking. Free family fun Monday, May 20, all Mondays in July and August & Monday, Sept. 2. Can’t make it to the track? Watch and wager at HPIbet.com. Assiniboia Downs is a year round gaming and event centre located at Portage Ave & the Perimeter Hwy.