Joined: Dec 2004
Posts: 12,548
Likes: 797
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
Move your cleats back? Or, if you have toe clips, get bigger cages so your feet can go onto the pedals further. (You'll have to readjust your saddle height.)
You sure it's only when you're cycling? Sore big toe can also be gout, usually in the first joint, at the base of the big toe.