Ferritin testing - The Girl That Runs

Health and Performance

Iron and Ferritin Awareness for Runners

run iron ferritin awareness

Gaining insight into iron and ferritin levels can boost your running performance—discover how to optimize your health and endurance today.

Zoe Phoenix
January 5, 2026

heel drop calf load

Running Science & Metrics

Heel Drop Demystified: Why It Changes Calf and Achilles Load

No exercise reveals the true impact on your calf and Achilles tendons like the heel…

The Girl That Runs Team
February 27, 2026

top jogging strollers with brakes

Vetted

12 Best Jogging Strollers with Hand Brake in 2026

Find out the top 12 jogging strollers with hand brakes in 2026 to ensure safe, smooth…

The Girl That Runs Team
February 26, 2026

top treadmills with heart rate sensors

Vetted

11 Best Treadmills with Built-In Heart Rate Sensors for 2026

An in-depth guide to the 11 best treadmills with built-in heart rate sensors for 2026…

The Girl That Runs Team
February 26, 2026

toe box test for wide feet

Health and Performance

Wide Feet? Here’s the Toe-Box Test That Saves Toenails

Find out how the toe-box test can help wide-footed individuals avoid painful shoe fits…

The Girl That Runs Team
February 26, 2026