Don Valley Stadium of these eventualities the seated capacity would have been raised to 45,000. In addition when the British government cancelled the proposed Picketts Lock stadium in Edmonton, London which was to hold the 2005 World Championships in Athletics, UK Athletics suggested to move the host city to Sheffield using the Don Valley Stadium, but the IAAF stated that having London as the host city was central to Great Britain winning the bid to host the tournament. The championships bidding process was reopened as a result with the Helsinki Olympic Stadium in Helsinki, Finland hosting the 2005 World Athletics Championships. Although Sheffield
Valley Greyhound Stadium 410 yards in circumference consisting of race distances of 310, 515 and 720 yards. The principal race held at the track is the Glamorgan Cup. In 2011 the stadium underwent a renovation including an indoor stand with seating and viewing areas and racing takes place on Thursday and Saturday evenings. It is one of only five independent (unaffiliated to a governing body) tracks remaining today. Valley Greyhound Stadium The Valley Greyhound Stadium is a greyhound racing stadium in Twyn Road, Ystrad Mynach, Hengoed, Wales. The track known as Valley is on Twyn Road sandwiched between the Caerphilly Road and A469