• 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)
  • Challenges
  • 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
events (0)
articles (9519)
organizers (0)
ArticlesEndurance
4 Ways to Save Your Legs for the Triathlon Run

You don't have to have heavy legs during the triathlon run. Here are some pointers that will...

By Jay Zacharias

ArticlesEndurance
5K Training Plans for Your First Race and Beyond

Follow these 5K training plans for your first race and beyond.

By Active.com

ArticlesEndurance
Do You Have a Strong Running Core?

Learn what a strong core means for runners, how to test for one element of a weak core, and ...

By Adam Hodges, USA Triathlon

ArticlesEndurance
10 Training Habits That Might Be Holding You Back

Are you undermining your ability to perform at your peak? Find out if you're making these co...

By Patrick McCrann

ArticlesEndurance
8 Rules of Training for an Olympic-Distance Triathlon

Is Olympic-distance triathlon training really all that different from training for a sprint ...

By Marty Munson

ArticlesEndurance
50 Things Open Water Swimmers Shouldn't Do

The open water might feel freer than a lap pool, but that doesn't mean anything goes. Use th...

By Steven Munatones

ArticlesOutdoors
The 20 Best Outdoor Memes

Mother Nature has a cruel, yet hilarious, way of humbling even the most intrepid outdoor ent...

By Michael Nystrom

ArticlesFitness and well-being
11 Painfully Hilarious Homework Tweets from Parents

Parents, is your nightly homework struggle ridiculously real? These moms and dads feel your ...

By Amy Flory

ArticlesEndurance
25 Bike Upgrades For $25 or Less

Looking for a cheap upgrade? These 25 fix-ups will help your ride without hurting your wallet.

By Andrew J. Bernstein

ArticlesEndurance
The 20 Best U.S. Cities to Explore by Bike

Which U.S. cities are the best for checking out on two wheels? Thanks to RewardExpert, we kn...

By Elizabeth Grimsley

Trending
Heat Acclimation Is The Hot New Training Technique 

Heat training isn’t just about surviving summer workouts—it may be one of the most effective, underused tools for boosting endurance performance...

ByLori Russell
28 days ago
How to Stay Hydrated While Cycling

Drinking on the bike is a legal performance enhancement

ByGreg Kaplan
3 months ago
How To Train For A Sub-2:00 Half Marathon

Two hours. 13.1 miles. One goal. Breaking the sub-2:00 half marathon barrier is more achievable than you might think — if you pick the right race,...

ByMegan Harrington
28 days ago
  • 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
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
  • Swimming
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
  • Privacy Notice
  • Privacy Settings
  • Careers
  • Support & Feedback
  • ACTIVE Access
  • Advertise With Us
  • Registration Software
  • Social Media Guidelines
  • Community Policies
  • Cookies Settings
  • ©2026Active Network, LLC and/or its affiliates and licensors. All rights reserved.