Annual Longmont Triathlon

Join us on 06/03/2024

(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: 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

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Longmont, CO Weather

Annual Longmont Triathlon weather history
  • Based on a 5 year average and a race date of June 3rd, Longmont, CO can expect temperatures between 52℉ and 82℉ with humidity around 44% and precipitation of 0".
    Last year the weather condition was Sunny.
  • Longmont, CO current weather
  • Clear 54.8℉ Clear

  • 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 or contact us at: kris.kron@longmontcolorado.gov

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