Pere Marquette Endurance Trail Run
Grafton, IL
Sat, Dec 12, 2026
In 79 days · Sat, Dec 12, 2026
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Saturday, December 12th, 2026
13112 Visitors Center Lane, Grafton IL
29–44°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
30–38°F
dry
2024
21–35°F
dry
2023
32–45°F
dry
2022
34–42°F
dry
2021
33–51°F
dry
2020
37–52°F
rain
2019
32–46°F
dry
2018
35–49°F
dry
2017
27–39°F
dry
2016
26–35°F
dry
Best months to race in Illinois →
About this race
Race Overview
This will be the 37th year of the Pere Marquette Endurance Trail Run. 7.8 miles of hills and incredible scenery through the park in December. Packet pickup and pre-race coffee available in the beautiful lodge with a roaring fire. Post race festivities and awards are also in the lodge.
Important Weather Policy
- Race Status: The race is a go regardless of rain, sleet, snow, ice, mud or muck.
- Trail Race: It's a trail race not a day at the beach.
- Cancellation: Should the Park Service close Pere Marquette State Park due to severe inclement weather or other unforeseen cause, the event will be canceled.
- Refund Policy: No refunds or deferments will be offered by Metro Tri Club.
Packet Pickup
Race day starting at 7:30AM in the Pere Marquette State Park Lodge.
Race Awards
- Overall Awards: Male and Female Overall winners.
- Masters Awards: Male and Female Masters (40+).
- Age Group Awards: Top 3 in 5-year increments from 14 to the oldest person to finish.
Event Details
Join us for this exciting event on December 12, 2026, at 13112 Visitors Center Lane, Grafton, IL. For more information, please visit the race website.
Course map
Hotels for race weekend
Live prices near the start line, Dec 11 – 13, 2026.
Train with a club
Run clubs near Grafton to train with before race day.
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