We tackled your running nutrition questions with sports dietitian Stevie Lyn Smith: long run carbs, ferritin, burnout, first marathon fueling, and weight cuts.

Already finished a 5K? Learn the training science behind running your fastest one: threshold work, VO2 max intervals, pacing, and taper

Train for your first 5K the smart way. Learn the exercise science behind aerobic base building, run-walk training, and injury-free progress

What actually changes in your running after 40, and how to build your master's training block around it. The science on recovery, strength, and staying fast past 40.

You had a rough run, not a moral failing. A bad run is a single noisy data point, not a verdict on your fitness. Here are the five things resilient runners do in the 24 hours after a bad run to bounce back and keep improving.

Marathoner Avelyn on being a back of the pack runner at Boston, why run-walk is a legitimate strategy, and what the sport gets wrong about slower runners.

Coach Mary Johnson on ADHD in women and athletes, masking, dopamine and running, and why structure and community matter for managing ADHD as an adult.

RunTriMag founder Jason Bahamundi on sobriety, disordered eating in men, imposter syndrome, and why endurance sports can both help and hide mental health struggles.

Coaches Amanda Katz and Nick Klastava share the 6 lessons they wish they’d known when they started running: pressure, perfectionism, fueling, and balance.

Journalist Cindy Kuzma and mental performance coach Carrie Jackson on the emotional side of running injuries: identity loss, red flags, and how to rebound.

Had a workout that made you question everything? One bad run doesn’t mean your training is ruined—it just means you’re human. Here’s how to shake it off, move the hell on, and rebuild your confidence the right way.

If you've ever felt like running on the treadmill is harder than running outside at the same pace, you're not alone. Many runners report that their treadmill pace is slower for an equivalent effort compared to running outdoors. RPE – basically how hard an effort feels on a subjective scale – can vary between the two settings even if your actual speed or heart rate is the same. In simpler terms, a pace that feels "moderate" outside might feel "hard" on the treadmill.