Annual Longmont Triathlon

Join us on 06/03/2025
(race date estimated)

Annual Longmont Triathlon Race Description

Be a part of the longest, continuous running Triathlon in Colorado!  We pride ourselves on a quality race course, experienced event organizers, positive volunteers, fun, friendly, and supportive race atmosphere.  Add the Longmont Triathlon to your race calendar, and start the tradition!

Race Fees:

Individual $70 |  Team $115

Price increases on May 1.  Registration ENDS at 12noon on Wednesday, May 30. 

Race Distances: 

  • Swim: 525 yards indoor pool swim
  • Bike: 12 miles
  • Run: 5K
  • Wheelchair Division:  slightly modified course, same distances.

Late Registration & Race Check-In options
Centennial Pool, 1201 Alpine St., Longmont, CO

  • Friday, June 1 from 3:30pm-5:30pm
  • Saturday, June 2 from 8:30am*-12pm

*8:30am-10:30am, Longmont Kids' Only Triathlon & Longmont Try-a-Tri races will be in progress, parking will be limited.

Day-of Timeline

  • 6am - transition area opens
  • 7am - first wave of swimmers (slowest to fastest)
    • Continuous "waves" will be sent depending upon projected swim times. 
    • The transition is open throughout the race, be mindful of people racing when setting up your area.  

Awards for the Top 3 Male/Female in each age group, plus Overall Male & Female!

No refunds for special events. 

Please visit our webpage for all race details!

Register TODAY to secure your spot, race is capped at 350 participants! 


Get ready for Annual Longmont Triathlon

Annual Longmont Triathlon location map image
  • Annual Longmont Triathlon Where & When
  • Location: 1201 Alpine St., Longmont, CO 80504
  • Race Date: 2018/06/03 09:00:00 AM (Sunday)
  • Categories:
    • Individual
    • Junior Team: Combined Ages 119ys or Less
    • Masters Team: Combined Ages 120yrs or More

Annual Longmont Triathlon Reviews

0 - 0 reviews

Be the first to review Annual Longmont Triathlon


Other Races You May Want to Consider

Longmont Turkey Trot

 - Nov 15th, 2025
Gobble, Gobble, Gobble, GO!  Sign up to run one of the most scenic, fastest, 10k or 2 mile courses around!  10K course also has a Wheelchair Division. Discounted entries for youth, seniors, and military.  Race Start Times: 9am -... read more

Wyoming Marathon Races

 - May 24th, 2026
    48th Annual! 50k, Marathon, Half-Marathon, and 5k events.  Hilly out and back on mostly dirt and gravel roads (100% for the Half and 77% for the Marathon and 50k) in Medicine Bow National Forest of Wyoming.  This is one of th... read more

Jingle Bell Jaunt

 - Dec 6th, 2025
    This winter race is a 1K and 5K race sponsored by the Cheyenne Rotary After Hours to help raise money to send local students to Rotary Youth Leadership Award (RYLA) experience for one week in the summer of 2026! It is dog friendly. Pac... read more

Kristy's Kindness 5K

 - Jul 18th, 2026
    History: Several years ago, Kristy began a tradition of completing random acts of kindness to bring joy to others between Thanksgiving and Christmas each year.  In September, 2021, Kristy suddenly passed away. To honor her me... read more

WCS Turkey Trot

 - Nov 27th, 2025
Start off Thanksgiving with the Casper Windy City Striders annual Turkey Trot at the Tate Pumphouse (1775 West 1st Street, Casper, WY). Race begins at 9am Thanksgiving Day (November 28, 2024).  To register online click HERE.  Pre Registere... read more

Christmas Classic 5K

 - Dec 13th, 2025
  A festive run for the season!  The course will start out going counter-clockwise around Sloans Lake and through the Central Avenue tunnel continuing counter clockwise around the Airport Golf course back through the tunnel and then contin... read more

T-Bird Trek Half Marathon, 10K & 5K

 - Sep 13th, 2026
2026 Registration Information Remember, packet pickup is Saturday, September 12, from 10 am - 3 pm Packet pick up will be at the University Union Building - 1st floor Race start times for Sunday, September 13, 2026: Half Marathons start @ 7 a.... read more

Windy City Striders Turkey Trot

 - Nov 27th, 2025
Start off Thanksgiving with the Casper Windy City Striders annual Turkey Trot at the Tate Pumphouse (1775 West 1st Street, Casper, WY). Race begins at 9am Thanksgiving Day (November 27, 2025).  Online registration will be open until November 26... read more

eterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA 2025

 - Nov 15th, 2025
Description Celebrate Veterans Day with our Freedom Run! Kick off the weekend with a fun 5K, 10K, or Half-Marathon with friends and family in deep gratitude for the Veterans who have sacrificed so much for our freedom. You can raise funds for a ch... read more

2025 Thanksgiving Turkey Gobble Trot 5K/10K/13.1 DENVER/AURORA

 - Nov 29th, 2025
Description Get Ready to Wobble Before You Gobble!Join us for the annual Thanksgiving Gobble Trot 5K Run/Walk Before you dive into the stuffing and turkey this year, get a run/walk in with your family, friends, and community. Burn some Calories, M... read more

Join us at the Annual Longmont Triathlon in June for a great race. The Annual Longmont Triathlon works hard to deliver you a memorable race experience. We would love to hear from you, so consider writing us a review.

Write Review

Contact Information

If you have any questions or comments for the event directors, click the button below.
Please include all fields
Contact email for event director is invalid. Please try again later
Race Entry has sent your message to Annual Longmont Triathlon.

An error occurred

 

Annual Longmont Triathlon - Disclaimer