Limitless Men's 3.5" Running Shorts Marathon Training Shorts with Liner

The same Limitless performance, with added coverage. These 3.5" running shorts are built from ultra-light, quick-dry fabric with a breathable liner and versatile storage—ideal for marathon training, race day, and long-distance runs.

Why These Are the Best Marathon Shorts (3.5" Option)

For runners who want a bit more coverage without sacrificing speed, these 3.5" shorts deliver the same lightweight, breathable performance as our race-ready styles—making them a go-to for marathon training, endurance runs, and daily miles.

Key Features

• Lightweight Performance Running Shorts
  3.5" inseam offers a balance of speed and coverage—ideal for marathon shorts, training shorts, and long-distance runs.
• Ultra-Light & Quick-Dry Fabric
  Cooling, breathable material keeps these lightweight running shorts comfortable in hot conditions and high-output efforts.
• Packable Design for On-the-Go Runs
  Rear pocket converts into a compact pouch—easy to stash in a gym bag or pack for travel and race days.
• Built-In Brief Liner
  Soft, breathable inner briefs provide support and reduce friction—true running shorts with inner briefs for long-distance comfort.
• Multi-Pocket Storage System
  Back waistband pockets and side mesh pockets hold phone, gels, and essentials—ideal for marathon running shorts and trail runs.
• Adjustable Secure Fit
  Elastic waistband with drawcord ensures a locked-in fit across training and race day.
• Enhanced Airflow & Mobility
  Split hem and ventilation details improve movement and airflow for speed sessions and endurance runs.
• Reflective Details for Visibility
  Designed for early morning, late-night, and low-light running.

Best For

• Marathon running shorts / marathon shorts mens
• Lightweight running shorts for training and racing
• Ultra marathon running shorts / endurance shorts
• Trail run shorts with storage
• Track and field shorts / training shorts
• Distance shorts / long distance shorts
• Performance running shorts for daily miles

If you're looking for the best marathon shorts with more coverage, these 3.5" running shorts offer the perfect balance of speed and versatility. Built as lightweight running shorts with inner briefs, they deliver the comfort of mens shorts with built in underwear and the performance of race-ready gear.

Designed for marathon training, long-distance runs, and race day, these performance shorts combine breathable fabric, secure storage, and a packable design—making them ideal for everything from track workouts to trail runs and ultramarathon efforts.