Choosing between running shorts and training shorts can feel confusing when both look similar on the rack. Each style serves a different purpose, and wearing the wrong pair during a workout can lead to chafing, restricted movement, or a fit that just doesn't feel right. Knowing the difference between running shorts and training shorts helps you invest in the pair that actually supports your activity.
What Running Shorts Are Designed to Do
Running shorts prioritize freedom of movement, breathability, and a lightweight feel. Most feature a shorter inseam (typically 3 to 5 inches), a relaxed leg opening, and minimal fabric so nothing weighs you down during miles on the road or trail.
What to Look for in a Running Short
A quality pair is made of compressive material or includes a built-in compressive liner for support, moisture-wicking fabric that dries quickly, and a waistband that stays put without digging in. When searching for the best shorts for running, look for a pair that moves with your stride, keeps you cool, and handles sweat without clinging.
Versatile Running Pick: Cloud II™ Volley Short
The Cloud II™ Volley Short delivers exactly that kind of versatility. Made with buttery soft Cloud II™ fabric and 2.5/5 compression, the volley cut offers a relaxed fit through the leg while providing gentle, confident support around the waist. Pair the volley short with a Cloud II™ Scoop Tank for a streamlined running outfit that transitions easily from a morning jog to weekend errands.
Performance Running Pick: Pulse® Volley Short
For runners who want a sleeker, more performance-driven feel, the Vitality Pulse® Volley Short steps up the compression to 3.5/5 with a smooth, second-skin handfeel. Pulse fabric is built for sweaty, high-impact workouts, making the Vitality Pulse® Volley Short a strong option for tempo runs, speed work, or hot-weather mileage.
What Training Shorts Are Built For
Training shorts are designed for lateral movement, squats, lunges, jumps, and floor work. A slightly longer inseam and closer fit keep fabric in place during multidirectional exercise, so you never have to stop mid-set to adjust.
Why Fit Matters for Training
Coverage matters during training sessions because you're bending, stretching, and moving in every direction. A looser short can ride up during a deadlift or shift during a burpee. Training shorts women rely on tend to have a fitted silhouette that stays secure through every rep without sacrificing comfort.
All-Around Training Pick: Cloud II™ Biker Short
The Cloud II™ Biker Short is a go-to for gym sessions and cross-training days. Buttery soft Cloud II™ fabric with 2.5/5 compression means comfortable support without feeling locked in. A mid-thigh length prevents chafing and keeps everything in place, whether you're cycling, lifting, or moving through a HIIT circuit.
Low-Impact Training Pick: Daydream Biker Short
For low-impact training days, yoga flows, or Pilates, the Vitality Daydream® Biker Short offers feather-light compression at 2/5 with a buttery handfeel. Made with a majority of recycled nylon, polyester, and Lycra, the Daydream Biker Short is the kind of short you forget you're wearing.
Running Shorts vs Training Shorts: Key Differences at a Glance
Knowing where each short excels helps you pick the right one for your routine.
Inseam and Cut
Running shorts sit higher on the thigh with a looser leg opening to allow a full running stride. Training shorts fit closer to the body with a longer inseam to prevent ride-up during squats and lateral movement.
Compression Level
Running shorts typically offer lighter compression (2 to 3 out of 5) so your legs move freely over longer distances. Training shorts range from light to moderate compression, depending on the intensity of your workout.
Fabric Weight
Lighter fabrics work best for running because heat and sweat build up over sustained cardio. Training shorts can handle slightly more structure because workouts involve intervals and rest periods.
Activity Match
Running shorts suit road runs, trail runs, treadmill sessions, and walking. Training shorts handle gym workouts, strength training, cycling, HIIT, Pilates, and yoga.
How to Choose the Best Pair for Your Workout
Not every workout demands a specialized short. Many people rotate between both styles depending on the day.
For Cardio-Focused Workouts
If most of your movement involves sustained cardio, a volley short with a relaxed fit and quick-dry fabric will serve you well. For running, prioritize lightweight construction and a waistband that won't bounce.
For Strength and Gym Sessions
For strength-focused sessions with squats, lunges, and floor exercises, a biker short keeps coverage locked in. When searching for the best training shorts for women, prioritize a snug fit that doesn't restrict your range of motion and a fabric that wicks moisture during high-effort intervals.
For Mixed Workouts
Some days call for both. A morning run followed by a quick strength circuit means you might prefer a hybrid option like the Vitality Daydream® Block Volley Short, which offers the relaxed volley cut with Daydream's feather-light feel.
How Vitality Helps You Move With Confidence
Picking between running shorts and training shorts shouldn't require guesswork. Vitality designs every size from XXS to 4XL using a Dynamic Grading System, so each size is tailored to real body proportions rather than simply scaled up or down. Made with a majority of recycled materials and backed by free exchanges and label-free, package-free returns, every pair is built to support your movement without compromise.
Our concierge customer service team and comprehensive sizing page help you compare measurements across sizes, so you can choose based on preference rather than uncertainty. No matter your workout, the right shorts should feel like a natural extension of your body, not something you fight against.
Start strong, stay supported with Vitality activewear. Shop the entire collection.
Frequently Asked Questions
Can you wear running shorts to the gym?
Are biker shorts good for running?
What length is best for training shorts?
Do running shorts need built-in liners?
What fabric works best for running shorts?
How many pairs of workout shorts do most people need?
