Date

6/10/17

Avg Temps f.

64/40 at the start

Gain/Loss in ft

10/1500

Furthest Aid

2.5 miles

Highest Elev.

2550

Start

8am (7am start available)

Surface

Flat, road-like trail

Time Limit

7.5 hours

Sunrise/set

5:09am/9:01pm

Longest Climb

N/A

Summary: The course is one of the fastest in the country. The course starts at an elevation of 2,550′ at Hyak Parking lot at Snoqualmie Pass and gently descends, making the course great for fast times. The entire course utilizes the Iron Horse Trail and is on smooth and runnable trails. There is 1,500′ feet of total elevation loss at a consistent grade. Beginning at Snoqualmie Pass, the race makes a 5 mile out and back on the Iron Horse trail before entering a 2.4 mile tunnel. The first 7.5+ miles of the course are essentially flat with minimal elevation gain or loss. After emerging from the tunnel, the course begins its downhill over the remaining 17.5 miles, finishing at Rattlesnake Lake.

Race Details

Lessons Learned from Race Reports

  • Runners are given a flashlight before they enter the 2.5 mile tunnel, which they can keep or drop off at the other end. If a runner uses their own headlamp, you are required to have it the entire time
  • Be sure to review the information on parking and shuttles, as the start and finish are in different locations and there are lots of places you can’t park
  • First 5 miles are an out and back and mostly flat with tiny hills, then you enter the 2.4 mile tunnel, then it’s downhill over the remaining 17.5 miles of the course
  • There will be pacers available for goal times from 3:15 to 5:00 hours

Elevation

Total gain/loss: 10/1500

Total climbs: None

Map & Elevation profile

Aid stations

Total aid stations: 9

Furthest distance apart: 2.5 miles

Locations: Mile 2.5, 5.2, 7.7, 10.4, 13.1, 15.8, 18.5, 21.5, 23.9
What’s available: Water and electrolyte drink at every aid station; gels are given out at miles 13.1, 18.5, 23.9

Crew access

Not a spectator-friendly course at all. Best place is at the finish line!

Race qualifiers

Boston!

Race Reports (first year of the race, so race reports are from another tunnel race from a previous year)

https://teamrunrun.com/super-tunnel-marathon-matt-k/

https://teamrunrun.com/super-tunnel-marathon-dan-s/

https://teamrunrun.com/super-tunnel-marathon-dionne-h/

Strava activities and GPX files (first year of race, no strava data available)

Race Website

https://cascadesuperseries.com/

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