Worlds 2009 results: Men's 100m Back ; published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28. Worlds 2009 results: Men's 100m Back ; published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28. Worlds 2009 results: Men's 100m Back ; published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28.