Registration is Now Open!

Announcing our December Team Promotion!

Win a little green for your team!

The team with the most new registrations in December will win this Shamrock Run scarf for every team member (regardless of when they registered)!

So keep on building that team, or get your team started TODAY!

Register Now!

Our new Shamrock Store is open online!


You look good in green!  Train the Irish way with these great apparel items for Shamrock ‘18.

Shop now!

Registration for 2018
Registration is Now Open!

The adidas Shamrock Run features a wide range of distances for every level of runner including a 5k, 8k, 15k and Half Marathon, plus a 1k Kids Leprechaun Lap and a 4-mile Shamrock Stride!

Register Now
Shamrock Course Map

All of Shamrock's iconic courses start in Waterfront Park near SW Oak and Naito Parkway and run through the center of downtown Portland and feature slightly downhill final sections. The 15k and half-marathon routes include the challenging, and scenic, Terwilliger hills. The new Shamrock Stride 4-mile walk boasts city views and a river walk including the Tilikum Crossing and Steel Bridges.

See All Course Maps

Event Partners

We’re proud to partner with these great brands to bring you an incredible event experience. Whether you’re drenched in sweat, dressed in costume or immersed in music, you've worked hard to get there and deserve to have the best time possible.