Warm up for 10' before the race, make sure your bike is shifting properly and nothing is loose or rattling. Check tire pressure and set your bike in the right gear for the start of the race. Take the first 5 miles out easy, and ease into the ride.
Warm up for 10'-15' before the race and do 3-4 quick pick ups - stay loose and calm. Go over your race day plan in your head. Feel strong and confident. After the race get a 10' cool down.