Running & Sports
Running

Couch to 5K

5K

10K

Half Marathon

Marathon

Mud Runs & Fun Runs

Trail

Walking
Cycling

Century Rides

Mountain Biking Events

Triathlon

Super Sprint

Sprint

Olympic/International

IRONMAN 70.3

IRONMAN

Other Triathlon
Sports

Baseball

Basketball

Football

Golf

Martial Arts

Soccer

Softball

Swimming

Tennis

Volleyball

Winter Sports
Find a Sports Camp

Browse All Activities
Race Results

Shop: Running Shoes|Fitness Apparel|Sports
Kids & Family
Find Camps & Activities for your Active Kids
Infants (0-1)

Toddlers (2-4)

Big Kids (5-8)

Tweens (9-12)

Teens (13-18)
Swimming

Basketball

Baseball

Soccer

Tennis

Volleyball

Football

Martial Arts
Child Care

Yoga

Cheerleading

Gymnastics

Dance

Music

Arts & Crafts

Kids Fitness
Fitness & Health
Fitness

Active Women

Core

Yoga

Injury Prevention

Pet Friendly

Gear

Nutrition

Hydration Guide
Calculators

Body Fat

BMI

Kids BMI

Calories

BMR

Nutrition

Weight

Heart Rate

Pace
Outdoor Activities

Outdoors

Camping

Hiking

Book A Campground

Outdoor Guides

Outdoors Guide

Camping Guide

Hiking Guide
Daily Deals: Footwear | Fitness Apparel | Outdoor Gear
Training
Running Tips

Couch to 5K Training

5K Training

10K Training

Half Marathon Training

Marathon Training

Cycling Tips

Bike Racing Tips
Triathlon Training

Sprint Triathlon Training

Ironman Training

Give It A Tri

Sports Tips & Advice

Soccer Tips

Softball Tips

Swimming Tips & Workouts

Tennis Tips

Volleyball Tips
Shop

Need Help?

Event Organizers

ACTIVE WORKS®

From marketing exposure to actionable data
insights, ACTIVE Works® is the race management
software for managing & marketing your events.

Learn More Customer Login

Home
denver, CO
duathlon

Duathlon in Denver, CO

Find Things to Do Near You

Duathlon Activities Near

Denver, CO

SortDistance

Relevance Date Distance Most Popular
When

All Future Dates Next 7 Days Next 3 Months Next 6 Months

Any day Monday Tuesday Wednesday

Thursday Friday Saturday Sunday

From

To

Reset filter
Where

Any Distance Within 25 Miles Within 50 Miles Within 75 Miles Within 100 Miles Within 200 Miles

Your Location

Find Activities near you.

Add Home Address

Reset filter
Who
Any gender Male Female

All Ages Infants (0-1) Toddlers (2-4) Big Kids (5-8) Tweens (9-12) Teens (13-18) Adult (18+) Senior (50+)
Your Family Members

Find the best matches for the family!
Add new family member
Sign up or sign in to save your family members and make searching easier every time.

Reset filter
Activities

Include Virtual Events

Reset filter
More

Include Virtual Events

Gift Card Eligible

ACTIVE Advantage Eligible

Reset filter

Include Virtual Events

Eligible

Reset All Filters

Jul 11-15 2022

Trifitness Youth Triathlon and Duathlon Camp #2

Trifitness • Weston, CT

Triathlon , Duathlon

Browse Endurance Categories

Duathlon Tips & Advice

Secrets to a Speedy Duathlon

Explore Similar Articles

Most Recent Duathlon Articles

Explore Similar Articles

Add a Family Member

Edit Family Member

Adding family members helps ACTIVE find events specific to your family's interests.

1

Age

2

Gender

M F

3

Interests

All activities Cycling Duathlon Nutrition Outdoors Racing

Running Swimming Triathlon Walking Weight Loss Yoga

All activities Swimming Basketball Baseball Soccer Volleyball Tennis Golf Martial Arts

Cheerleading Gymnastics Dance Music Arts & Crafts Academics Fitness Yoga Outdoors

Delete family member

Please see your Privacy Rights for how your information is used.

Add a Family Member

Edit Family Member

Look for this banner for recommended activities.

Delete family member

Please see your Privacy Rights for how your information is used.

Are you sure you want to delete this family member?

Cancel Yes

Find activities close to home

Activities near you will have
this indicator

Within 2 Miles

Activities near you will have this indicator

Within 2 Miles

Error

To save your home and search preferences

Join Active or Sign In

To save your home and search preferences

Join Active or Sign In

Browse Duathlon Categories

- Skill Level
- Any
- Beginner

- Nearby Cities
- Lakewood
- Aurora
- Boulder

- Custom
- Tag1
- Tag2

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
ACTIVEkids App
Meet Mobile

Things To Do

Running Races
Triathlon Races
Cycling
Mountain Biking
5K Races
10K Races

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

View All Mobile Apps

More Things to Do

ACTIVE Network

Organizer Technology Solutions:

Earn Money Account Access

About ACTIVE.com
Sitemap
Terms of Use
Copyright Policy
Your Privacy Rights
Do Not Sell My Personal Information
Cookie Policy
Privacy Settings
Careers
Support & Feedback
ACTIVE Access
Registration Software
Social Media Guidelines
Community Policies

Cookie Settings

Mobile Apps
Couch to 5K® View All Mobile Apps

Follow ACTIVE

Full Site

Sitemap Terms of Use Copyright Policy Privacy Policy Do Not Sell My Personal Information Cookie Policy Privacy Settings Careers Support & Feedback Cookie Settings

ACTIVE ADVANTAGE

Get a free 30 day trial

"Whenever I'm shopping for something, I check ACTIVE Advantage first. Great merchants! Great products! Great value!"

— Ashley Garden City, GA

Get exclusive offers as a member!

Get Your 3rd Race FREE
Up to $10 off Event Fees
Get $50 off New Running Shoes

FREE pair of Pro Compression Socks
Up to 15% off GearUp
VIP Travel Discounts

...and more!

See All Benefits

Start Free Trial

After trial, membership is only $89.95 for a full year of exclusive savings.

Running & Sports

Kids & Family

Fitness & Health

Training

Shop

Go Premium

ACTIVE WORKS®

Duathlon in Denver, CO

Find Things to Do Near You

Duathlon Activities Near

Denver, CO

From

To

Your Location

Your Family Members

Trifitness Youth Triathlon and Duathlon Camp #2

Trifitness • Weston, CT

Triathlon , Duathlon

Browse Endurance Categories

1

Age

2

Gender

3

Interests

Find activities close to home

Find activities close to home

Activities near you will have this indicator

Within 2 Miles

Activities near you will have this indicator

Within 2 Miles

Skill Level

Nearby Cities

Custom

Mobile Apps

Follow ACTIVE

Activities near you will have
this indicator