Geek Trivia: The Length Of Marathon Races Was Set By? September 18, 2018 How-To Geek, IFTTT Think you know the answer? Click through to see if you're right! from How-To Geek https://www.howtogeek.com/trivia/the-length-of-marathon-races-was-set-by/ via IFTTT loading... Share this Share on FacebookTweet on TwitterPlus on Google+