Introduction to Trail Running Racing - 25K - 2026

Trail Running Course

Introduction to Trail Running Racing - 25K

Train and run a 25K trail race with us!

Introduction to Trail Racing is designed to help participant get ready and complete 25K trail race of your choice. As an option you can join us at a trail race to run it together: White River 25K (July 25). Registration for this race is not included in the course - you must register on your own.

NOTE: The number of participants may be expanded if there is interest - please register for the wait list if the course is full.  

This course is best suited for participants who:

  • Have some experience with trails and trail running 
  • Can currently hike/run 5mi on trail (any pace)
  • Interested in training for a 25K trail race
  • Looking for a trail running group with similar goals

The course will offer:

  • Online classroom info session via Zoom - required
  • Pre-built general 3-months training schedule 
  • Two weekly group runs available to course participants only (Tue and Sat long run) - Issaquah Alps and I-90 corridor locations (more runs will be posted after the info session as the course progresses)
  • Insights on nutrition, hydration, and gear 
  • Supportive community of trail runners

 To graduate the course, students are required to:

  1. Volunteer at one of the local trail races (one group option will be available).
  2. Complete a 25K trail race (must be an official trail race). NOTE: registration for an actual race is not included - you must register separately.  

Course graduates will receive a trail running Skill Badge for Trail Racing 25K!

Course Requirements
Course Activity Date Availability Leader
Classroom Session
Online Classroom
Wed, Apr 8, 2026
Registration closes Apr 6
20 participants
5 instructors
Introduction to Trail Running Racing (optional)
Tiger Mountain Lowlands
Tue, Apr 14, 2026
Registration closed Mar 15
0 participants
0 instructors
Cougar Mountain: Sky Country Trailhead
Sun, Apr 19, 2026
Registration closes Apr 17
7 participants
1 instructor
Tiger Mountain Lowlands
Tue, Apr 21, 2026
Registration closes Mar 22
3 participants on waitlist
0 instructors
Cougar Mountain: Harvey Manning Trailhead
Sun, Apr 26, 2026
Registration closes Apr 23
9 participants
0 instructors
Tiger Mountain Lowlands
Tue, Apr 28, 2026
Registration closes Mar 29
3 participants on waitlist
1 instructor
Cougar Mountain: Sky Country Trailhead
Sat, May 2, 2026
Registration closes Apr 30
3 participants
1 instructor
Tradition Plateau
Tue, May 5, 2026
Registration closes May 3
5 participants
1 instructor
Cougar Mountain: Harvey Manning Trailhead
Sat, May 9, 2026
Registration closes May 8
7 participants
0 instructors
Cougar Mountain: Sky Country Trailhead
Tue, May 12, 2026
Registration closes May 10
6 participants
1 instructor
Grand Ridge Park (Snoqualmie)
Sun, May 17, 2026
Registration closes May 15
5 participants
1 instructor
Granite Creek Trail
Sat, May 23, 2026
Registration closes May 21
6 participants
1 instructor
Cougar Mountain: Red Town Trailhead
Tue, May 26, 2026
Registration closes May 24
2 participants
1 instructor
Deception Pass State Park
Sat, May 30, 2026
Registration closes May 28
5 participants
1 instructor
Squak Mountain: May Valley Access
Tue, Jun 9, 2026
Registration closes Jun 7
6 participants
1 instructor
Taylor River
Sun, Jun 14, 2026
Registration closes Jun 12
7 participants
1 instructor
Cougar Mountain: Big Tree Ridge Trailhead
Tue, Jun 16, 2026
Registration closes Jun 14
7 participants
1 instructor
Ira Spring Trail
Tue, Jun 23, 2026
Registration closes Jun 21
6 participants
1 instructor
Middle Fork Snoqualmie River
Sun, Jul 19, 2026
Registration closes Jul 17
6 participants
1 instructor

Additional badges needed to graduate

Completed

Roster
Required Equipment

Field trip gear list:

  • Appropriate shoes, socks, shorts/pants and/or other apparel in technical/synthetic/wool fabrics for trail running
  • 10 Essentials adapted for trail running
  • Lightweight rain-resistant or waterproof jacket
  • Pack or waist belt or equivalent to hold required items and personal possessions such as medications, cell phone, keys, etc.
  • Water and snacks
  • Map (printed or digital) 

Weather dependent items (optional):

  • Gloves
  • Watch
  • Sunglasses
  • Sun hat or warm hat
  • Extra layers in in technical/synthetic/wool fabrics, e.g., an extra long-sleeved shirt
Course Materials

You must register for this course to see course materials.