Light at the End of the Tunnel Marathons (Tunnel Marathon Series) | Fun Run Atlas | RMN
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Not viral. Useful.

Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Light at the End of the Tunnel Marathons (Tunnel Marathon Series)

Runners carry headlamps through the 2.3-mile Snoqualmie Tunnel, a pitch-dark former railroad tunnel under the Cascades, with a pinpoint of daylight ahead.

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Fun Run Atlas · Washington

Novelty course · Snoqualmie Pass, WA

Light at the End of the Tunnel Marathons (Tunnel Marathon Series) is a fun run on a one-of-a-kind course in Snoqualmie Pass, Washington, with no upcoming dates listed.

Season completed
When
Last held Sun, Sept 13, 2026; next date TBA
Start 7:00 AM (June)
Three summer Sundays
Where
Hyak Sno-Park Trailhead (John Wayne Pioneer Trail)
Snoqualmie Pass, WA · Kittitas
Directions
Entry
Register
Organized by
Tunnel Marathons
13 years
Official siteRegisterDirections

What to expect

  • tunnel
  • headlamp required
  • rail trail
  • downhill
  • Boston qualifier

2026 Season completed

June 7, August 9 and September 13, 2026

  • Sun, June 7, 2026
  • Sun, Aug 9, 2026
  • Sun, Sept 13, 2026

2027 Projected

Date TBA

About the run

Three marathon-and-half dates each summer on the John Wayne Pioneer Trail from Hyak, featuring the unlit Snoqualmie Tunnel and a gentle downhill grade.

The run

Distances
Marathon, Half marathon
Season
Summer
Swag
Finisher shirt and medal

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.