Well one way to ensure you don't PR is to accidentally add 2.5+ miles to the course 

#bebrazen oh well super fun!pic.twitter.com/s3ZUZE8TT8
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I hope so! I PR'd my 5K at the february winter breeze :) maybe i can pr my half! (ha ha ha I'm too old for that)
No such thing as too old! I'm still setting PR's and I'm turning 40 this year! I'm going for a PR at summer breeze - join me!!
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