He mentions toying with the idea in 2010 as there are no major comps on.
Obviously it will be difficult to live up to the 9.69/19.30 in 2009 - will he get near those marks considering his training is already behind schedule?
He and his coach may test the waters in 2010 over 400 and then see what they do in 2011/2012 - whether it is the 100/200 again or 200/400