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
Don Valley Parkway north along the river valleys had been lumbered and farmed, such as at Milne Hollow, but several natural areas remained by the 1950s. The forests of the Don valley had been where Canadian naturalist Ernest Thompson Seton spent much of his youth in the 1870s studying animal life. The Don Valley Parkway was not the first highway planned through the valley. In the 1930s, a "speedway" through the lower valley was promoted as possible depression relief. Unlike today's parkway, this road would have curved northwest near the Don Valley Brick Works and connected to Mount Pleasant at Davisville. The city