How Long Does Muscle Soreness Last (May 2026) Guide for Triathletes

How Long Does Muscle Soreness Last

Muscle soreness typically lasts 3 to 5 days, peaking around 48 to 72 hours after exercise. This delayed onset muscle soreness, commonly called DOMS, affects nearly everyone who pushes their body beyond its current conditioning level. Whether you are tackling your first sprint triathlon or preparing for a full Ironman, understanding how long muscle soreness … Read more

Why Are My Muscles Sore After a Workout (May 2026) Complete Guide

Why Are My Muscles Sore After a Workout

Your muscles are sore after a workout because of delayed onset muscle soreness (DOMS), a natural response that occurs when tiny tears form in your muscle fibers during unfamiliar or intense exercise. This microscopic damage triggers an inflammatory repair process that peaks 24 to 72 hours after your session, causing the stiffness and tenderness you … Read more