What is the weather usually like on race day for the Adams 12 MS XC?

Based on the last 10 years of weather data for Thornton, CO, October race mornings typically start near 76°F and warm to around 87°F. On this calendar date it has rained in 9 of the last 10 years.

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Adams 12 MS XC

Thornton, CO

Thu, Oct 8, 2026

Past Event

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When

Thursday, October 8th, 2026

Where

Shadow Ridge MS, Thornton CO

Distances

1 Mile

Typical weather

76–87°F · rain likely

See last 10 years

On this date: rain 9 of the last 10 years

2025

75–90°F

dry

2024

75–87°F

rain

2023

75–93°F

rain

2022

75–86°F

rain

2021

75–86°F

rain

2020

77–90°F

rain

2019

75–89°F

rain

2018

75–87°F

rain

2017

75–80°F

rain

2016

76–87°F

rain

Best months to race in Colorado →

About this race

Middle School Cross Country

Course map

Train with a club

Run clubs near Thornton to train with before race day.

Colorado Front Runners

Denver, CO · 1k followers

Denver Run Club

Denver, CO · 5.2k followers

We're Not Really Runners Denver

Denver, CO · 3.5k followers

Sexc Pace RC

Denver, CO · 1.5k followers

See all run clubs near Thornton →

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Adams 12 MS XC

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