St. Patrick's Spring Fling Trail Run
- Half Marathon entry
- $99
- Aid stations
- 4
- Days to go
- 149
At a glance
- Date
- Mar 20, 2027
- Location
- Monroe, Oregon
- Distances
- Half Marathon, 10K, 5K
- Aid stations
- 4, 1 with crew access
- Registration
- See ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
4 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
A trail running event with Half Marathon, 10K, and 5K distances in the lush Coast Range just 20 minutes west of Monroe, Oregon. Features amazing fern-laced loops in the Pacific Northwest woods.
Key dates
Race day
Mar 20, 2027
Pricing
Half Marathon
Early Pricing (with bus ride)
$99
All distances
10K
$65
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Registration openings and major changes, like a new date or a cancellation.
Aid stations
4| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Smith Creek Aid Station 1, approximately 2.4 miles from the start on the Half Marathon course. | 2.40 miles | -- | Hammer Nutrition Heed | ||
Row River Access Aid Station 2, approximately 5.7 miles from the start on the Half Marathon course. | 5.70 miles | -- | Hammer Nutrition Heed | ||
Crossing Row River Rd Aid Station 3, approximately 6.9 miles from the start on the Half Marathon course. | 6.90 miles | -- | Hammer Nutrition Heed | ||
Mosby Creek Aid Station 4, approximately 9.8 miles from the start. Hard cutoff of 2:45 total elapsed time. Only spectator location on the Half Marathon course. Also serves as the turnaround point (mile 3.1) for the 10K. | 9.80 miles | 2:45 elapsed | Hammer Nutrition Heed |
Entry transfers
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Tune-up races
Straight-line distance
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Race planning
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