Proper running form is key to running a faster marathon. Whether it's stride length, vertical oscillation, ground contact time, or cadence -- good running form makes you faster. Watch as a serious runner explains how he works to improve running form, improve running efficiency, and more. #running #marathontraining #runningtips 📲 Be sure to follow Sage's channel: @Vo2maxProductions ✅ Don't miss the next Serious Runner video and other funny videos. Subscribe now: https://www.youtube.com/@theseriousrunner?sub_confirmation=1 🙏 Please consider supporting this channel The Serious Runner Handbook: https://amzn.to/44F1SCI Merch: https://theseriousrunner.com/ Patreon: https://www.patreon.com/SeriousRunner ⚡️ And be sure to follow the Serious Runner! Instagram: https://www.instagram.com/seriousrunner/ Twitter: https://twitter.com/seriousrunner 📲 Follow Stephen Gnoza here: IG: https://www.instagram.com/stephengnoza/ Twitter: https://twitter.com/StephenGnoza Strava: https://www.strava.com/athletes/314774

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