• Events

    Running

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Outdoor

    OutdoorCampingHikingSee All

    Triathlon

    TriathlonSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Sports

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter SportsYoga

    hidden

    active kidsactive kidsSports CampsBrowse All EventsRace Results
  • Calculators

    Calculators

    Running PaceBody Fat PercentageBody Mass Index (BMI)Ideal WeightHeart Rate
    Caloric NeedsNutritional NeedsBasal Metabolic Rate (BMR)Kids' Body Mass Index (BMI)
  • Running

    Running Events

    RunningCouch to 5K5K10KHalf MarathonMarathonSee All

    Running Articles

    RunningDistance RunningTrail RunningMud RunningTraining PlansProduct Reviews
  • Triathlon

    Triathlon Events

    TriathlonSuper SprintSprintOlympic/InternationalIRONMAN 70.3IRONMANSee All

    Cycling Events

    CyclingRoad CyclingCentury RidesMountain BikingSee All

    Triathlon Articles

    TriathlonDuathlonTraining PlansProduct Reviews

    Cycling Articles

    CyclingMountain BikingCyclo-CrossBMXTraining PlansProduct Reviews
  • Fitness

    Fitness Events

    FitnessWalkingYogaStrength TrainingPilatesWeight LiftingSee All

    Fitness Articles

    FitnessWorkoutsWalkingYogaWeight LossTraining PlansProduct Reviews
  • Sports

    Sports Events

    BaseballBasketballFootballGolfMartial ArtsSoccerSoftballSwimmingTennisVolleyballWinter Sports

    Outdoor Events

    OutdoorCampingHikingBook CampgroundSee All

    Sports Articles

    SportsSwimmingBasketballTennisBaseballSoccerSoftballVolleyballFootballLacrosseGolf

    hidden

    Water SportsIce HockeyGymnasticsMartial ArtsSkiCampingHikingTravelSailingDanceSnowshoeing
  • Nutrition

    Nutrition Articles

    NutritionMeal PrepRecipesSnacksSupplementsProduct Reviews

    Health & Injury Articles

    Health & InjuryPhysical HealthMental HealthPainInjury PreventionRecoverySleepProduct Reviews
  • Kids & Family

    Kids

    Infants (0-1)Toddlers (2-4)Big Kids (5-8)Tweens (9-12)Teens (13-18)

    Events

    SwimmingBasketballBaseballSoccerTennisVolleyballFootballMartial ArtsChildcare

    hidden

    YogaCheerleadingGymnasticsDanceMusicArts & CraftsKids FitnessSee All

    hidden

    active kidsactive kids
  1. Home
  2. >
  3. Running Articles
  4. >
  5. Marathon
Marathon Training

Featured

What to Do 2 Weeks Prior to Your First Half Marathon

Take the guesswork out of your training. Here's exactly what to do two weeks prior to your half marathon.

By From the Editors of Runner's World

Running with Sciatica: Treatment and Prevention

Sciatica can be a catchall term for leg pain, so it's important to determine if it is truly a nerve issue you're dealing with and how to treat it.

By Mackenzie Lobby

Why Your GPS Watch Doesn't Match the Race Distance

You signed up (and trained) for one distance, but you got another—or so your GPS watch says. Here's why it happens.

By Beth Shaw

9 Ways to Have More Fun on Your Next Run

When running starts to feel like a chore, try these foolproof methods to find the fun again.

By Jennifer Fox

Latest

How to Train for a Half Marathon

Whether you are a newbie or an advanced runner looking for a new approach or PR, we have the knowledge you need in this half marathon training guide.

By Ali Nolan

The 25 Best Half Marathons in the United States

Are you ready to run? Here are 25 of the best half marathon races in the country that are sure to offer something for everyone.

By Ali Nolan

Prepare for an Ultramarathon with This 12-Week Training Plan

This 12-week ultramarathon training program incorporates cross-training and comes with built-in rest days, excellent for novice and intermediate ru...

By Greg McMillan

3-Month Marathon Training Plan: Get Ready for 26.2 Miles

This 12-week marathon training program incorporates cross-training and comes with built-in rest days, excellent for novice and intermediate runners.

By Greg McMillan

Want to be a More Well-Rounded Runner? Run Less

Learn how to become a better runner with these tips from running coach Jamey Yon.

By Sosha Lewis

The ACTIVE Spring 2023 Running Shoe Guide

It’s the perfect time to invest in a new pair of shoes. That's where this guide comes in handy.

Best Treadmills for Running 2023

Find the perfect treadmill for your running needs! Check out our picks for the best treadmills for runners, and get ready to hit the road!

The Best Holiday Gifts in 2021 for Women Who Run

Whether they enjoy the occasional fun run or are training for a marathon, these gifts are sure to surprise and delight.

By Megan Harrington

  • ACTIVE Logo
  • ACTIVE is the leader in online event registrations from 5k running races and marathons to softball leagues and local events. ACTIVE also makes it easy to learn and prepare for all the things you love to do with expert resources, training plans and fitness calculators.

Follow ACTIVE
  • Facebook
  • Twitter
  • Pinterest
  • Instagram
Mobile Apps
  • ACTIVE.com App
  • Couch to 5K®
  • 5K to 10K
  • Meet Mobile
  • View All Mobile Apps
Other Things To Do
  • Running Races
  • Triathlon Races
  • Cycling
  • Mountain Biking
  • 5K Races
  • 10K Races
  • More Things to Do
  • Half Marathon
  • Marathon
  • Ultra Running
  • Trail Running
  • Mud Runs
  • Swimming11
Popular on ACTIVE.com
  • San Diego
  • Los Angeles
  • New York City
  • Denver
  • Houston
  • Las Vegas
  • BMI Calculator
  • Calorie Calculator
  • 5K Training
  • Couch to 5K®
  • Half Marathon Training
  • Marathon Training
  • Organizer Technology Solutions
  • Earn Money
  • Account Access
  • Subscribe to Our Newsletter
  • Do Not Sell My Personal Information
  • About ACTIVE.com
  • Sitemap
  • Terms of Use
  • Copyright Policy
  • Your Privacy Rights
  • Privacy Settings
  • Careers
  • Support & Feedback
  • ACTIVE Access
  • Registration Software
  • Social Media Guidelines
  • Community Policies
  • Cookies Settings
  • ©2025Active Network, LLCand/or its affiliates and licensors. All rights reserved.