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Running

Autumn Run

Date
September 19, 2026
Distance
Half Marathon · 10K · 5K & more
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From the Organizer

View all the details on our website - One Love Endurance!  Link is below!

Events

Half Marathon9:15 AMRegister →
10K9:30 AMRegister →
5K9:30 AMRegister →
Family Fun Run9 AMRegister →

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

73°

Typical Low

39°

Chance of Rain

26%

Based on US Climate Normals data from Buena Vista 2s, 1 mi from the venue.

Sunrise 6:50 AMSunset 7:08 PMDaylight 12h 18m

Host City

About Buena Vista, CO

Elevation

8,017 ft

Nearest Airport

ASE

Aspen-Pitkin County Airport (Sardy Field) · 47 mi

Major Hub

COS

City of Colorado Springs Municipal Airport · 78 mi

Time Zone

Mountain Time

From Endurance Grid

Line up lodging and travel early to lock in your race weekend.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Autumn Run, put it on the calendar, and turn “someday” into a start date.

103

Days to train

Race
Autumn Run
Date
September 19, 2026

From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the Autumn Run?
Autumn Run is a running race held in Buena Vista, Colorado on September 19, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Autumn Run?
Saturday, September 19, 2026 in Buena Vista, Colorado at Mc Phelemy Park, U S. 24, Buena Vista, CO. Check the event page for exact start times and wave schedules.
How do I register for the Autumn Run?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Autumn Run

Sep 19, 2026

Register →