Racing to become lighter each year, the GEL-DS Racer® continues to be a longstanding favorite among distance runners. DuoMax® Support and Trusstic System® offer stability support while a new DuoSole provides for better traction and increase durability. The athlete in you will also love the speedy upper which promotes a go-fast appeal. Weight: 6.6. Heel Height: 18mm. Forefoot Height: 10mm.