Paralympian David Weir made world history by becoming the first wheelchair race to complete a mile in less than three minutes on Sunday.
• Posting a time of two minutes and 57 seconds, Weir shaved six seconds off his previous best performance at the Westminster Mile
• Six-time gold medalist Weir said after the race: "I've always said I could do it.
• Sunday's victory was Weir's fourth consecutive Westminster Mile title, beating South African rival Ernst.
• Wheelchair racing is the racing of wheelchairs in track and road races.
• Wheelchair racing is open to athletes with any qualifying type of disability, amputees, spinal cord injuries, cerebral palsy and partially sighted (when combined with another disability).
• Athletes are classified in accordance with the nature and severity of their disability or combinations of disabilities.
• Like running, it can take place on a track or as a road race.
• The main competitions take place at the Summer Paralympics which wheelchair racing and athletics has been a part of since 1960.