Logo for Jack & Jill's Downhill Marathon and Half Marathon featuring a stylized green pine tree and text in white and gray.


The Fastest BQ Weekend in the PNW

July 25 & 26

NEW Point-to-Point Course • 1,300’ Net Downhill • No BQ Penalty

Register

Fast Courses

Run through the iconic Snoqualmie Tunnel, enjoy fresh scenery including Lake Keecheles, and chase your PR on one of the fastest marathon courses on the West Coast.

Why Runners Choose Jack & Jill

  • Boston Qualifier eligible (no 5-minute penalty)

  • Net downhill 1,300’

  • Point-to-point course

  • Run through the iconic Snoqualmie Tunnel

  • Professional timing + Super Pacers

  • Giant mile markers with timing splits

Jack & Jill Marathon & Half – Course Update

New Course. Same Fast Jack & Jill Experience.

The Jack & Jill Marathon & Half Marathon returns with a confirmed new point-to-point course featuring 1,300 feet of net downhill and no Boston downhill penalty. Runners will enjoy the iconic tunnel, fresh scenery including Lake Keecheles, and the fast, PR-friendly experience Jack & Jill is known for

We are in the world’s top fastest courses!

Jack & Jill's Dowhnhill Marathon & Half is a 2-Day Event

You can choose to register for either day...or both...if you're crazy.

Both the full and half marathon occur on both days.
USATF certified and Boston qualifiers!

This is the second event of our 3-race Downhill Super Series. Downhill Super Series

Why runners travel to Jack & Jill

The Jack & Jill Marathon & Half Marathon is one of the fastest downhill marathons in Washington and a popular Boston Qualifier for runners across the Pacific Northwest and the West Coast. Located near Seattle, this point-to-point course features smooth trail running, cool July temperatures, and the iconic Snoqualmie Tunnel.

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RUNNER FEEDBACK
”The finish line was awesome! They announce your name and let you know if you qualified for Boston. The crowd was amazing at the finish. And yes, I rang that PR bell with Pride! Would I run this marathon again? Absolutely!” - Annie

”This was an incredibly well organized race and package pickup”

”I was super impressed with how you all organized this race. The aid stations were so well stocked and in creative locations.” - Marilee

”Best finish line ever!” - Nicole

”Thanks for another fun event! See you again soon.” - Marilee”

Three Weekends. Three Fast Courses.

Pick the date that fits your training cycle.

  • Jack & Jill's Marathon & Half

    Snoqualmie Pass
    July 25 & 26

    This marathon is a fast, scenic course with a gentle 1,300-foot drop over 26.2 miles, ideal for setting a Boston-qualifying time, with no penalty, or new PR.

    View Jack & Jill

  • Super Hyak Marathon & Half

    Snoqualmie Pass, WA
    June 13

    Under 1,500’ Net Downhill
    Fast Mountain Course
    Cool Temps & Scenic Views
    Boston Qualifier, No penalty

    View Super Hyak

  • Cascade Express Marathon & Half

    Snoqualmie Pass, WA
    September 12

    Under 1,500’ Net Downhill
    Late-Summer BQ Opportunity
    Smooth, Fast Course

    View Cascade Express
Four runners participating in a race on a gravel path with a forested background and metal utility structures.
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Men running in a mountain marathon race on a gravel trail, with lush green mountains in the background.
A woman running in a marathon event, wearing a black tank top and shorts, is smiling and holding a race bib, while another woman offers her a sign that reads 'BQ BABY!!!' in front of a black tent with white text.
A male runner in a pink shirt is being signed on his stomach by a woman wearing a black cap and white jacket at a trail race, surrounded by other runners and a man with a microphone.
Group of marathon runners gathered outdoors at the starting line, some smiling and making peace signs, with trees in the background.
Two women running outdoors, smiling and waving, with a third woman in the background, against a green, forested hillside.
A woman in a blue jacket takes a photo with her phone of a group of runners at an outdoor race event in a wooded area.
A young boy holding a colorful handmade sign walking through a gravel path, cheering. A woman behind him with sunglasses and a white shirt, and a man in a gray t-shirt and shorts taking a photo, are nearby. Orange cones and a banner with partial text
Marathon runners crossing the finish line, wearing race bibs and athletic gear, celebrating as they finish the race.
A group of people participating in a marathon race outdoors, wearing athletic clothing and race bibs, with a forested area in the background.
A woman running on a gravel path along a chain-link fence with power lines and green forested hills in the background.
A woman crossing the finish line of a race, smiling and high-fiving a man who is wearing a pink Barbie-themed shirt and hat, with a race bib number 1793, on a sunny day outdoors against a backdrop of trees and mountains.
A woman running a race outdoors, crossing the finish line with a smile, wearing sunglasses, a black tank top, green patterned shorts, and a pink race bib number 1483, with other runners and spectators in the background, greenery, and mountains in the
A smiling female marathon runner wearing sunglasses and a yellow tank top, holding a medal and a sign that says 'BQ BABY!!' at a running event with a finish line in the background.
Three women standing outdoors at a race event, holding signs that say 'BQ BABY!!!' and 'PR', smiling and taking photos, with trees and orange traffic cones in the background.
Smiling woman in running attire holding a sign that says "BQ BABY!" at a race event near a large black inflatable arch with a crowd in the background.
A large group of runners at the start of a marathon race outdoors in a forested area.
A woman with sunglasses and a headscarf holding a sign that says, 'MAY the COURSE be with YOU,' standing near a chain-link fence with trees in the background.
A group of runners starting a race on a dirt trail lined with tall pine trees, with some wearing race bibs and athletic gear.
A group of runners participating in a marathon or race, with a woman in the front smiling and making a gesture with both hands, wearing sunglasses and a bib numbered 3450, with a background of green trees and a fence.
Group of runners participating in an outdoor race on a gravel path surrounded by green trees, with a woman in a pink athletic top in front and other runners behind her.
Group of people running in a race outdoors, with a woman in the foreground smiling and wearing a blue athletic shirt and cap, and runners in the background on a gravel path surrounded by greenery.
Group of runners participating in a marathon running on a forest trail. The woman in the foreground is smiling, wearing a black shirt, black shorts, and holding a water bottle.
A woman with glasses and tattoos celebrating after a race, holding a sign that says 'BQ BABY!!!' near a marathon finish line with a timing clock and crowd in the background.
A group of marathon runners walking on a trail in a forested area with mountains in the background. Some runners are wearing race bibs and athletic gear. The woman in the forefront is wearing a white poncho and looking ahead.
Two women finish a marathon race, holding hands and smiling as they cross the finish line, with two men running behind on a gravel path surrounded by green trees.
Three women smiling and celebrating during a marathon, wearing race bibs and athletic clothing, with a green forested background.
A middle-aged man running in a marathon, wearing a black tank top, black shorts, sunglasses on his head, a black cap, and a race bib number 2310, on a trail with a blurred woman in the background and green trees surrounding the area.
Group of female runners crossing finish line in outdoor race, smiling and celebrating, with trees in the background.