Operation HAYSTACK

Saturday, June 27, 2026

Nederland, Colorado

Race Day

Saturday, June 27, 2026

Course

Loop

Registration

Race Website

Official race information

☀

Avg High

69°F

☽

Avg Low

47°F

☂

Precip

0.2 in

🍃

Wind

10.7 mph

61% humidity·Based on 5-year historical data

APR 4

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

APR 4

Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA

APR 5

Three Creeks Half Marathon

APR 11

Run Through The Decades 6K/7K/8K/Half - Colorado Springs

Get notified about races in Colorado

New races, registration alerts, and insider tips from your State Guru.

We'll never share your email.

Race Day

Saturday, June 27, 2026

Course

Loop

Registration

Race Website

Official race information