Some links below may be affiliate links. Runworks may get paid if you buy something or take an action after clicking one of these.

As an Amazon Associate Runworks earns from qualifying purchases.

Injinji Performance Micro Toesocks Keep Your Feet Blister-Free
 Injinji Performance Micro Toesocks

Garmin Soft-Strap Heart Rate Monitor ANT+ HRM Compatible with Many Device Brands
 Garmin Soft-Strap Heart Rate Monitor

Wahoo Fitness Blue SC Cycling Speed and Cadence Sensor for iPhone
 Wahoo Fitness Blue SC