Takes me about 45-minutes to warm up as well. I've got this nagging asthma problem, so I warm-up for 15-20 minute and then crank out a couple of anaerobic intervals to trigger an attack. Then I sit on the side of the road for 5-10 minutes gasping like a fish outa water to recover. After it's completely subsided, then I get back on and finish the warm-up. This time, the lungs have cleared and the leg's supple and ready to go...