Pace Calculator

Run Calendar is your up to date source for fun runs and running events all around the USA

• About Run Calendar
• Submit your event
• Pace Calculator
• Privacy
• Terms and Conditions

Fun Runs By City

• • New York
• • California
• • Boston

Fun Runs By State

• • New York

By Distance

• • All
• • Marathons
• • Half Marathons
• • 5 miles
• • Obstacle course runs
• • Stair Climbing events