Tunnel Vision Marathon & Half
Tunnel Vision Marathon: a fast, downhill course through a Washington mountain tunnel.
Race Date
Aug 9, 2026
Location
Snoqualmie Pass, WA
Quick facts
- Date
- Sunday, August 9, 2026
- Location
- Snoqualmie Pass, Washington
- Distance
- Half marathon (13.1 mi) + 26.2M
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 482
Highlights
Good For
Atmosphere
Course
The Experience
The Tunnel Vision Marathon in North Bend, WA, offers a unique and rapid race experience. Promoted as one of the fastest marathon courses globally, it’s designed for personal bests and Boston Marathon qualifying attempts.
The course takes runners through a tunnel and features a significant net downhill, making it a prime candidate for fast times. With about 193 finishers recently, and growing, the event draws participants from approximately 23 states, indicating a solid geographic reach for its scale.
First run in 2023, the marathon is in its early years. While the repeat-runner loyalty is currently low at around 2%, the course's speed and unique mountain setting through the tunnel provide a compelling draw for those seeking a swift and scenic marathon.
Race-provided description
One of the fastest marathon courses in the world. Come set a personal record, qualify for Boston, and enjoy a downhill mountain course through a tunnel.
Course Info
USATF CertifiedCourse Type
Point to Point
Terrain
road
Scenery
Mountain
Surface
Paved
Difficulty
Rolling Hills
Net Drop/km
+16.21 m
Separation
54.2%
Also Offers
USATF Certified Course
WA23026RMB · Tunnel Vision Half Marathon
Net downhill course — fast finishing times are common. Point-to-point course layout.
Course Map
2 other maps for this race
Quality Score
Solid Pick423 years running
~185 finishers a year
growing or steady
2% returning runners
USATF certified
runners from 23 states
winner 1:18:15
typical high 74°F
Race Day Weather
5-year historical avgStart (Low)
54°
Afternoon (High)
74°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
73%
Humidity
Historical Finish Times
How 482 finishers actually crossed the line across 3 years.
Most recent
2025
Total finishers
482
Median time
2:02:16
Latest turnout
193
States
36
Turnout by year
2023–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Tunnel Vision Marathon & Half?
The Tunnel Vision Marathon & Half is held on Sunday, August 9, 2026.
Where does the Tunnel Vision Marathon & Half take place?
It takes place in Snoqualmie Pass, Washington.
What distances does the Tunnel Vision Marathon & Half offer?
The half marathon (13.1 miles), plus 26.2M.
Is the Tunnel Vision Marathon & Half course flat and good for a PR?
The Tunnel Vision Marathon & Half is a rolling hills, point to point course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the Tunnel Vision Marathon & Half?
HalfRuns has finish records for 482 runners who have completed the Tunnel Vision Marathon & Half.
HalfRuns editorial — independent, no paid placement.
Explore More Journeys
Can't make it to Snoqualmie Pass? Discover other experiences that match your running style.
Search All Races
