Kofuzi on MAF Training, Frustrations and Running Progress

10 Apr 2020 · 64 min
1:03:31

In this episode of the Extra Mile Show, host Floris Gierman interviews YouTuber and non‑elite runner Mike "Kofuzi" about his marathon journey, the shift to low‑heart‑rate (MAF) training, and the challenges he faced. Kofuzi recounts his early running background, a disastrous first marathon, a long hiatus, and a return sparked by a friend’s 10‑mile race. He describes adopting a Nike‑led program, discovering the limitations of speed work, and moving to Maffetone‑style low‑HR training, later evolving into a polarized approach (≈80‑90 % low‑HR, 10‑20 % high‑intensity). He shares frustrations during the early 100‑mile phase—slow paces, being passed by groups, unreliable wrist HR monitors, and the need for a chest strap. Over time he notices brief “blips” of faster pace within his HR zone, incremental mileage gains, and a shift from distance‑based to time‑based training. Kofuzi discusses lifestyle factors affecting performance: limited sleep (≈6 h), high coffee intake, family responsibilities, homeschooling during COVID‑19, and adjustments to training volume (70‑80 mi/week, 3‑4 h runs). He highlights equipment preferences (Polar Vantage V watch, Polar chest strap, Suunto strap) and the importance of sleep tracking. The conversation ends with practical advice—run more, slow down, build endurance, reduce intensity when injured, and use a polarized training model—plus promotion of Floris’s Marathon PR program.

Chapters

More from Floris

youtube.com

Why runners keep getting hurt!? #running #trailrunning #strengthtraining

6mo ago
youtube.com

Ryan Hall 2.0 on Strength Training For Runners, Lifting Heavy & Trail Running

6mo ago
youtube.com

50k in the Grand Canyon #raceday #challenge #running

6mo ago
youtube.com

Ryan Hall Humbled Us in the Grand Canyon

6mo ago
youtube.com

How to Become Mentally Unbreakable on the Run | Kerry Ward

6mo ago
youtube.com

You’re Doing Zone 2 Wrong (Even If You Think You’re Not) | Scott Johnston Round 2

6mo ago
youtube.com

Why to build a monster aerobic base

7mo ago
youtube.com

How to Build an Unstoppable Aerobic Engine (Even If Starting From Zero) | Scott Johnston

7mo ago
youtube.com

Why you run with a headlamp! That was close! 😅 #running #trailrunning

8mo ago
youtube.com

Stress Is Killing Your Running (The Relax Fix You’re Missing) with Dr Kasim Al-Mashat

8mo ago
youtube.com

When things get hard, say this, it (works in any race) #jeffpelletier #running #ultrarunning

8mo ago
See all content