Positive vs. Negative splits: Do you have to run faster the second half of a race to run a PR or Boston Qualifier? This infographic from Runners Connect has so many interesting stats. Marathon runners – this is sure to bring out the ultimate running nerd in you.
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David Wallace
David Wallace is a search & social media marketer who lives in Ahwatukee Arizona with his lovely wife. Interests & hobbies include all things Disney, roller coasters, musicianship and Christianity.
