All events

No limits! Trail running, mountain biking, road running: take your pick. 

MTB Races

NWEpic Series Mt. Bike Races

Technical single-track, forest roads, great locations. Not to mention the unforgettable aid station fare and enthusiastic volunteers. Our NW Epic Series mountain bike races are all you could ask for.

Road Races

Road Runs

We organize two "off-road" road runs. While on mostly paved routes, much of the courses are on rail trails. The Lake Sammamish Half takes place in March and the Lake Washington Half in November.


While some of our photographers are volunteers and share their photos for free (you should always credit all photographers), others are professionals who make their living from the sale of their photographs. Please support our photographers by purchasing any photographs where payment is requested.


Mudderama Off-road Duathlon #2 - February 4

Mudderama Off-road Duathlon #1 - January 21

2012 Ft Steilacoom Trail Duathlon Run

Steve Sanders of Steve Sanders Photography took some amazing shots of Race #1 and Race #2.

And here are some high quality action shots of Race #1 and Race #2 by Jerry Gamez.

2011 Ft. Steilacoom Run

4th Dimension Racing also organizes the Evergreen Trail Runs series and below are photos from the Oct 23rd Ft. Steilacoom run Part I, Part II, Part III, Part IV, Part V and Part VI by Yumay Chang.

2011 Ft. Steilacoom Trail Duathlon

For the 2010 Ft. Steilacoom Duathlon, our friend Christina Chacharon of Chach Photography was the official photographer for race #2 on Feb 26th and you can find part I and Part II of her photos here.



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