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From Fellrnr.com, Running tips
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[[File:Race StartRunners Streaming Past 6189982 s.jpg|right|thumb|300px500px|Race Runners going faster than you at the start by [http://wwwcreates the illusion that you're going too slow.flickr.com/photos/anthony_goto/ anthony_goto]]]
Starting a race at too fast a pace is a remarkably common problem. We'll define what 'too fast' means, then look at the causes, the consequences, and some solutions for covering the first mile or so too quickly.
=How fast is 'too fast'?=
There are different causes for going out faster than race pace and for going out faster than [[VO2 Kinetics|V̇O<sub>2</sub> Kinetics]].
==Faster than race pace==
[[File:Runners Streaming Past 6189982 sRace Start.jpg|right|thumb|500px200px|Runners going faster than you at the Race start create the illusion that you're going too slowby [http://www.flickr.com/photos/anthony_goto/ anthony_goto]]]
Going out too fast is caused partly by the excitement of the race. This excitement releases a surge of adrenaline, which changes our perception of effort and time. I've seen my heart rate while standing at the start line reach well over 100 BPM, a sign of the adrenaline that has been released. A good [[Practical Tapering|taper]] will cause us to feel far stronger at the start of the race than we do in training, compounding the effects of the adrenaline. Another factor behind going out too fast is the optical illusion of having runners around you. On most training runs we have nobody blocking our vision, so we see our forward motion represented by the ground and scenery appearing to move towards us. These visual clues are an important part of our sense of pace. At the start of most races, all we can see is other runners, with little of the ground or scenery visible. Because most of the runners will be moving a similar speed, they will appear stationary, and a key visual clue to our pace is lost. If the other runners are actually going faster, then the illusion becomes more intense on we can get a sense of moving backwards even though we are running faster than we should.
