December Winter Conditioning Runs: 4-6 miles - Wilderness Peak Loop

Field trip: Winter Trail Running Conditioning Series

December Winter Conditioning Runs: 4-6 miles - Wilderness Peak Loop

Winter Trail Running Conditioning Course runs from 4-6 miles. You will need to complete 2 course runs per month over Dec, Jan and Feb to graduate.

  • Easy/Moderate
  • Moderate
  • Mileage: 4.0 mi
  • Elevation Gain: 1,120 ft
  • High Point Elevation: 1,585 ft
  • Pace: avg 3.5 mph

Meet at 6:00 am at Jim Whittaker Wilderness Peak trailhead. Following introductions, description of route and current trail conditions, plan to start running by 6:10 am. No passes required. Portable toilet available at trailhead.

Directions: From I-90—Take Exit 15 and drive south on SR-900 (17th Avenue NW and then Renton-Issaquah Road SE) for 3.3 miles. Look for the trailhead sign and an asphalt driveway that goes uphill to the right.

We will follow a clockwise loop for ~4 miles total distance with 1,120 ft elevation gain, following the Wilderness Whittaker Peak trail. We will look to do an avg pace of 4 mph: moderate to fast (depending on group comfort) hike uphill and 4.5-5.0 mph straighaway and downhill. Please bring headlamp since we will be starting in the dark!

For a complete description of  trail running with the Mountaineers, please consult the Trail Running Standards.

Gaia route:

King County Park Map:

Full details will be sent soon after registration closes on Dec 10. In the interim, please contact the leader with any questions at


Cougar Mountain: Jim Whittaker Wilderness Peak Trailhead

Required Equipment

Required Equipment

Please wear layers of breathable, technical clothing suitable for outdoor aerobic activities for this course's activities.

  • Waterproof jacket, hat, buff, gloves, sunglasses; running-specific gaiters recommended
  • Warm mid-weight layer (e.g. down vest or wool long sleeve)
  • Trail running shoes
  • A small day pack suitable for trail running
  • Bring snacks and water
  • Trail running-adapted ten essentials
  • Headlamp with spare batteries
Trip Reports