Lock Laces came in handy to eliminate the heel slip I experienced with my Adidas Adizero Boston 12 shoes. I was skeptical, but they did the trick. Price at time of writing: $9.99

These TOZO OpenReal Open-Ear Headphones are among the best-value headphones you’ll find. The ‘open-ear’ design allows you to hear traffic around you without sacrificing your audio. They are almost a knock-off of the Shokz Open-Run Pro 2 ($180) for a fraction of the price. Price at time of writing: $33.99