Now a full member! Memorably I am 501st? Anyone know the reference?? Nerdy! Off to start 42k over 4 days!! #madrid #españa #run #runitfast #instarun #instarunners #runhappy #furtherfasterforever #runner4life #fitness #training #runaholic #worlderunners #happyrunner #iloverunning #runningaddict #cityrunner #streetrun #endurance #f3 #garmin #stravarun #stravaproveit #instarunneros #instaRunnersMadrid #altrarunning #madrunner #madjunkie #urbanrun

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