In 26 days · Sat, Oct 3, 2026
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Saturday, October 3rd, 2026
Oakdale Nature Preserve, Freeport IL
5K
52–70°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
61–86°F
dry
2024
50–74°F
dry
2023
62–82°F
dry
2022
44–66°F
dry
2021
64–75°F
rain
2020
46–55°F
rain
2019
49–61°F
rain
2018
59–84°F
rain
2017
68–79°F
dry
2016
54–66°F
dry
Best months to race in Illinois →
About this race
🍂 Event Overview
Take in the spectacular scenery at the Autumn Leaf Run. It's open to all ages and all skill levels of runners, walkers and nature enthusiasts.
🏞️ Race Details
- Date: 2026-10-03
- Location: Oakdale Nature Preserve, Freeport, IL
- Distance: 5k trail loop
- Timing: Chip timing system
🌳 Course Features
- Terrain: Diverse terrain including wide tree-lined trails, moderate hills, prairie areas, bridge crossings, and several single track trail sections.
- Start/Finish: The start and finish lines will be in close proximity.
💰 Proceeds
All proceeds go to the Freeport Parks Foundation to help fund upcoming projects at Oakdale Nature Preserve Park.
🔗 More Information
For more details, visit the Autumn Leaf Run registration page.
Course map
Hotels for race weekend
Live prices near the start line, Oct 2 – 4, 2026.
Train with a club
Run clubs near Freeport to train with before race day.
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