Great Southwest Triathlon Series

Los Alamos NM, Gunnison, Montrose, Alamosa, CO

Southwestern Colorado Triathlon Series - 4 triathlons in 4 months

Los Alamos Tri

SATURDAY, September 19th, 2020


Register NOW for the 45th Annual Los Alamos Triathlon. The event kicks off at 12:00 p.m. on Friday, September18th for packet pickup. Chip pickup 5:30am to 6:30am Saturday September 19th. Race start 7:00am September 19th.

Join us in the once "Secret City" to celebrate the 44th Anniversary of the oldest,continuously running triathlon. The Los Alamos Triathlon is a sprint triathlon with a unique format of bike, swim, run and is held at a starting elevation of 7,400`. The course is challenging with a rolling bike course that starts in town and takes you out along an open course surrounded by forests and mountain vistas then a return to the Walkup Aquatic Center for a 400 meter pool swim. A slightly hilly run completes the course.

For more information please contact DIANNE MARQUEZ at 505-662-8170
or by email at

When & Where

Jul 18, 2020 - Oct 17, 2020


5:00 AM

Add to Calendar

Event Schedule

Los Alamos NM, Gunnison, Montrose, Alamosa, CO

Get the Mobile App

Get live athlete tracking, full event information, and much more in the palm of your hand with the ITS YOUR RACE app.

Share Your Results

We'll automatically post your results for you on race day. Just connect your Twitter account.


Connect with Twitter