Obama Flash and Cold Blast were slow out. Book Of Music crossed to the rail soon after the start checking Cold Blast. Mary's Mission and Herculian Boy collided approaching the first turn. Herculian Boy raced wide on the first turn checking Mary's Mission. Obama Flash and Thumpster Bale collided approaching the second turn. Thumpster Bale and Book Of Music collided on the second turn checking Thumpster Bale. Obama Flash and Skye Surfer collided on the third turn. Thumpster Bale and Book Of Music collided on the third turn checking both greyhounds. Thumpster Bale veered out and marred the running of Obama Flash in the home straight checking Cold Blast and Book Of Music as a result. Thumpster Bale was vetted following the event. It was reported that the greyhound sustained an injury to the right back muscle, a 5 day stand down period was imposed. Acting under GAR 69(1)(a) Stewards charged Thumpster Bale with marring and suspended the greyhound for 28 days at The Meadows and directed that the greyhound perform a Satisfactory Trial, All Tracks, pursuant to GAR 69(2)(a) before any future nomination will be accepted. Herculian Boy was vetted following the event. It was reported that there was no apparent injury found.