The St. Patricks Spring Fling Trail Run returns to Monroe, Oregon on March 20th, welcoming runners from near and far for a scenic run through the Alsea Falls Recreation Area just west of town. Located in the lush Coast Range, approximately twenty minutes away from Monroe’s city center, this trail run offers participants an immersion into nature with its route winding around Alsea Falls. On race morning, expect to find yourself among towering ferns and dense forest undergrowth that characterizes the Pacific Northwest landscape. The early spring weather typically brings mild temperatures, though runners should be prepared for firm but slightly soft trails typical of this region. Celebrating its thirteenth year in 2027, St. Patricks Spring Fling Trail Run has become a beloved community event. Each iteration draws hundreds of enthusiastic participants who come to challenge themselves and connect with the local running community. The race raises funds for various local initiatives and supports Track Town Pizza and other refreshments after the run, providing runners with a well-deserved break under the canopy of trees near Alsea Falls. The St. Patricks Spring Fling Trail Run features three distinct distances: half marathon, 10K, and 5K. Each route presents its own unique set of challenges, from the longer distance trails to the shorter but still demanding loops around Alsea Falls. The terrain includes lush ferns and roots that test runners' endurance while offering scenic beauty at every turn. Participants can expect firm yet slightly soft trail conditions typical for this time of year in Oregon’s Coast Range. Temperatures usually hover around moderate levels, with a UV index rating of 4 during March mornings when the race begins. Humidity is generally low, creating comfortable running conditions without being overly warm or humid.
The St. Patricks Spring Fling Trail Run offers three engaging distances: a half marathon for those seeking an extensive challenge; a 10K that provides runners with a more moderate but still rewarding journey through the trails; and a shorter yet no less impactful 5K run, perfect for both seasoned athletes looking to warm up or newcomers aiming to enjoy scenic terrain without overexerting themselves. Each route is designed to cater to different levels of experience while offering breathtaking views and testing physical limits. To register for the St. Patricks Spring Fling Trail Run, visit https://ultrasignup.com/register.aspx?did=136949 where you can choose your preferred distance among half marathon ($70), 10K ($60), or 5K ($50). Registration closes two weeks prior to the event date. Bib pickup will take place at the Alsea Falls Recreation Area on race day starting one hour before the start time. No additional documents are required for bib collection, but it’s advised that participants arrive early if they plan to make use of any prerace services offered by organizers. The St. Patricks Spring Fling Trail Run begins and ends at the scenic Alsea Falls Recreation Area located in Monroe, Oregon. The course is open to runners aged 14 years and above. Participants are encouraged to wear appropriate trail running gear suitable for early spring conditions; sturdy shoes with good traction and weather-appropriate clothing will ensure a comfortable experience throughout the race. The St. Patricks Spring Fling Trail Run takes place in Monroe, Oregon on March 20th. This event is worth attending for its scenic trails and community spirit, offering runners an engaging challenge within the beautiful Alsea Falls Recreation Area.
Races Offered
1/2 Marathon
Mar 20, 2027
straighten
Distance —
21.1K
terrain
Type —
Running
timer
10:00
sell
$70.00
10K
Mar 20, 2027
straighten
Distance —
10K
terrain
Type —
Running
timer
10:10
sell
$60.00
5K
Mar 20, 2027
straighten
Distance —
5K
terrain
Type —
Running
timer
10:15
sell
$50.00
Weather History
These values represent the 3-year monthly averages for March in Monroe.
thermostatTemperature
2.9° / 11.6°
wb_sunnyFeels like
-0.6° / 8.4°
light_mode
Avg sunshine hours
6h 32m
water_drop
Avg rainfall
6.0 mm
ac_unit
Avg snowfall
0.3 cm
air
Avg wind speed
10.5 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.0)
humidity_mid
Humidity
83.5%
wb_twilight
Sunrise
07:21
nightlight
Sunset
19:20
About Monroe
Learn more about the host city, Monroe.
Monroe is a city in Benton County, Oregon, United States. The population was 763 as of the 2023 census population estimates. It is part of the Corvallis, Oregon Metropolitan Statistical Area. Monroe is located midway between Eugene and Corvallis along Highway 99W.