RunRace USA › Minnesota › O'Brien Trail Races
O'Brien Trail Races
Marine on St Croix, Minnesota · Saturday, September 26, 2026 · 50K, 25K, 10K, 5K
Official race page & registration ↗O'Brien Trail Races takes place on Saturday, September 26, 2026 in Marine on St Croix, Minnesota. The race offers 4 distances: 50K, 25K, 10K, 5K. It is run on trail. For anyone travelling in, Forest Lake is about 11 miles away and Saint Paul is about 25 miles away.
It is one of 83 races on the Minnesota calendar that September. The 25K is rare in Minnesota: only two races on the calendar offer it.
- Date
- Saturday, September 26, 2026
- Location
- Marine on St Croix, Minnesota
- Distances
- 50K, 25K, 10K, 5K
- Surface
- Trail
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Marine on St Croix: check in Sep 25, out Sep 27.
Common questions
When is O'Brien Trail Races?
O'Brien Trail Races is scheduled for Saturday, September 26, 2026.
Where is O'Brien Trail Races held?
O'Brien Trail Races is held in Marine on St Croix, Minnesota. It is about 11 miles from Forest Lake and 25 miles from Saint Paul.
What distances does O'Brien Trail Races offer?
The listed distances are 50K, 25K, 10K, 5K.
How do I register for O'Brien Trail Races?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Sep 262026 Historic Riverfront 5K Run/WalkMinneapolis, MN
- Sep 265K and 1 MILE Fun Run/WalkNew Brighton, MN
- Sep 26American Legion Beer & Wine Run, Walk, & StumbleSauk Centre, MN
- Sep 26Big Woods RunFaribault, MN
- Sep 26CoH Run Baby Run Family 5K Run/WalkNew Brighton, MN
See every race on the Minnesota calendar, Minnesota 5Ks, Minnesota 10Ks, or use the Race Finder for maps and filters.