- Weather
- 48°Ftypical startModelled estimate
- Field size
- ~1,500 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -2,000 ft net
High BQ rate along Cascade rail-trail
PR10Weather9Experience7
Late July · West Coast · Point-to-Point
Jack & Jill Marathon & Half
Snoqualmie Pass, WA · Saturday, July 24, 2027
Event: Marathon Saturday
- Best for PR
- Boston Qualifier
- Scenic
Registration opens on the organizer's site
Typical start
48°
Cooler than 49% of U.S. marathons
Modeled historical conditions
Elevation gain
50ft
Flatter than 89% of races
Estimated total climb
Field size
1.5K
Larger than 60% of races
Estimated field
PR potential
9.6/10
Top 4%
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
50 ft gain · -2,000 ft net
Net downhill course, point-to-point.
0510152026.2
Race-day weather
Modeled from location, month and coastal proximity, not verified race history.
6 AM
40°
Start
48°
Midday
55°
ExcellentGoodWarmHeat risk
Typical start sits at 48°F, excellent marathon conditions.
Typical dew point 36°F, 16% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This is a course built to give time back.
Jack & Jill Marathon & Half is a strong choice for a fast time on tired legs, and the route gives back elevation for most of the 26.2 miles. The tradeoff is your quads, which will feel the descent in the closing miles.
Why runners choose this race
A point-to-point course around Snoqualmie Pass, WA, that gives back elevation for most of the race.
The case for it
- PR attempts
- Boston qualification
- Runners who care about scenery
The tradeoffs
- No notable warnings in the data.
Course and logistics
- Course type
- Point-to-Point
- Surface
- Road
- Profile
- Net downhill
- Total gain
- 50 ft(estimated)
- Total loss
- 2,050 ft(estimated)
- Net elevation
- -2,000 ft(estimated)
- Field size
- ~1,500 runners(estimated)
- Crowd support
- Pockets of spectators
- Entry
- Easy
- Entry fee
- $129(most recent listed price)
- Day of week
- Saturday
- Start / finish
- Start and finish in different locations
Race details
- Typical timing
- Late July
- Next confirmed date
- Saturday, July 24, 2027
- Registration
- Open now
- Region
- West Coast
- Editorial tier
- Recommended
- Data last reviewed
- 2026-08-26
- Best for PR
- Boston Qualifier
- Scenic
- Point-to-point
- Net downhill
- Easy entry
Similar races
Races with a comparable profile.
- Weather
- 44°Ftypical startModelled estimate
- Field size
- ~800 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -2,000 ft net
Event: Cascade Express Marathon
PR10Weather9Experience7
- Weather
- 47°Ftypical startModelled estimate
- Field size
- ~1,200 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -2,000 ft net
Runs through the 2-mile Snoqualmie Tunnel
PR10Weather9Experience7