O’Brien Trail Races
Marine on St Croix, MN
- 50K, 25K, 10K, 5K
- Trail (Unpaved)
- Official race website
The O’Brien Trail Races are fantastic trail races on mostly grass trails that include sections of O’Brien State Park and Jackson Meadows. Plenty of rolling hills. Plenty of fun! … MORE
Local Historical Weather (Sep 26):
| 2025 | 2024 | 2023 | 2022 | 2021 | |
| H (°F) | 76 | 81 | 65 | 61 | 76 |
| L (°F) | 52 | 51 | 61 | 40 | 45 |
Find Nearby Lodging (hotel, rental, etc.):
Recent reviews
You're #1! Be the
first to review
the O'Brien Trail Races