On the blocks: Ian Crocker in lane 4 (standing on the blocks) and Michael Phelps in 5 (removing warmups)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/95123580@N00">pjmorse</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/flashesofpanic/29981998/">FINA World Championships 2005: M 100m butterfly</a>