#111: Pushing Limits in Running, Adventure & Business with COROS CEO Lewis Wu

Lewis Wu is one of my running training partners and someone I've shared many trail adventures with: long climbs, heat, altitude, fatigue, and plenty of laughs. As the CEO of COROS, he didn't fall in love with running right away; it was data, curiosity, and steady progress that drew him in. From those first "boring" miles to recently finishing a brutal 100K, Lewis has built endurance with patience, consistency, and a willingness to keep showing up no matter how hard it gets. Thanks to LMNT for sponsoring this video! Head to to get your free sample pack with any purchase. Learn more about the Personal Best Running Coaching Program at Watch this full video on YouTube: CHAPTERS: 0:00 – Discomfort, data & focus: Lewis Wu on building breakthroughs 1:23 – LMNT sponsorship 2:16 – Favorite memories with Eliud Kipchoge 4:45 – How Lewis started running 8:42 – Lessons from his first 50k race 11:50 – Multi-sport athlete mindset 16:11 – Balancing multiple sports vs focusing on one 19:17 – Managing a busy life and training 22:00 – Advice to younger self and new athletes 25:35 – Handling marathon nerves and setbacks 28:54 – Mental strategies during races 36:25 – Recovery and training balance 41:36 – Adventure with Kilian Jornet & key takeaways 45:20 – Heart rate training and data insights 48:32 – COROS watch features & running data basics 52:11 – Using fitness testing and setting heart rate zones 59:56 – The power of journaling and self-reflection 1:01:41 – Future plans and upcoming adventures 1:04:17 – Where to find Lewis 1:05:15 – Closing thoughts FIND LEWIS WU HERE: ► Strava: ► Instagram: LINKS & TOOLS MENTIONED ► COROS: ► COROS Product Testing with Lewis: ► Colorado Summit Adventure with Kilian: ► Episode with Kilian Jornet: ► Episode with Eliud Kipchoge: YOU CAN FIND ME, COACH FLORIS GIERMAN HERE: ► Free Weekly Running Newsletter: ► Our Personal Best Coaching Program: ► YouTube: ► Strava: ► Instagram: ► Extramilest: ► Path Projects: ► Podcast: Affiliate Disclosure: I may earn commissions if you purchase items via my affiliate links. "As an affiliate I earn from qualifying purchases." Affiliate links do not increase cost to you. Also, you do not need to use these links. You can also search for these same items in Amazon or on any search engine/shopping site of your choice and buy/research them that way. ABOUT THE EXTRAMILEST SHOW: A podcast and YouTube channel where host Floris Gierman interviews world class athletes, coaches and health experts on the topic of how to become a stronger, healthier and happier athlete. More info about our Personal Best Running Coaching Program can be found at .

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#111: Pushing Limits in Running, Adventure & Business with COROS CEO Lewis Wu is an episode from The Extramilest Podcast by Floris Gierman.

This episode is 01:08:06 long.

This episode was published on Oct 17, 2025.

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