At this year's London Marathon, two runners completed the route in under two hours, becoming the first people to ever do so on an official course. It's a feat that Outside magazine's Alex Hutchinson once thought wouldn't be accomplished until 2075. The Verge's senior policy reporter (and marathoner) Lauren Feiner talks to Alex about "super shoes" and the other surprising technological advances that led to this moment. 0:00 Marathon Sub Two Intro 01:07 90 Seconds on the Verge 02:46 Two Hour Barrier Meaning 04:10 How Super Shoes Work 08:11 Breaking2 and Kipchoge 11:53 Shoe Arms Race Rules 14:21 Inside Nike Shoe Lab 18:36 London Marathon Breakthrough 23:10 Fueling Carbolution 26:48 Adidas Pro Evo 3 28:46 Do Super Shoes Actually Help You? 31:19 Innovation vs Cheating 33:54 Wrap Up and Goodbye Subscribe: http://goo.gl/G5RXGs Like The Verge on Facebook: https://goo.gl/2P1aGc Follow on Twitter: https://goo.gl/XTWX61 Follow on Instagram: https://goo.gl/7ZeLv Watch The Vergecast on YouTube: https://bit.ly/40RFRkg The Vergecast Podcast: https://bit.ly/3WQDexZ Decoder with Nilay Patel: http://apple.co/3v29nDc More about our podcasts: https://www.theverge.com/podcasts Read More: http://www.theverge.com Community guidelines: http://bit.ly/2D0hlAv Wallpapers from The Verge: https://bit.ly/2xQXYJr Shop our Verge merch store here: https://bit.ly/4kPCmEc Subscribe to The Verge: https://bit.ly/3FT6n5S If you buy something from a Verge link, Vox Media may receive a commission without exerting any influence on editorial content. For more information about our ethics policy, visit: https://bit.ly/3ZWTlLs