We're heading into the new year with a new round of Buy or Sell, one of our favorite podcast games. If you don't know the drill, we force ourselves to decide whether we buy or sell an idea, shoe, treatment, etc. Today, Nathan, David, and Matt debate the Saucony Endorphin Azura (Shift 3 replacement??), the venerable ASICS Nimbus, whether runner's high really exists, and much more. Want your idea on the next edition of Buy or Sell? Email us at doctorsofrunning@gmail.com!

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Chapters

• 0:00 - Intro
• 4:26 - In for Testing: Powered by Skratch Labs
• 14:20 - Buy/sell: Saucony Endorphin Azura
• 24:34 - The Azura as a Shift 3 replacement
• 29:18 - ASICS Nimbus 28 is better than the 27
• 35:54 - The Saucony Endorphin Pro 5 is a super shoe
• 44:48 - Running a marathon or ultra in 2026
• 53:12 - Running doubles
• 1:01:50 - Runner's high is real
• 1:11:25 - Wrap-up