Experience the beauty of the LA Arboretum’s stunning scenery as you run like a thoroughbred in the Derby Day 5K on April 5, 2025, in Arcadia. After the race, keep the excitement going with an epic post-race party, thrilling horse races, and two complimentary, ice-cold beers for those 21 and over! All participants receive a finisher’s medal, shirt, admission to Santa Anita Park’s annual Derby Day horse races, and more!