Base 2 Space
Base 2 Space logo

Base 2 Space

Seattle, Washington, United States View on map
Sep 27, 2026 (America/Los_Angeles local time)
Running

About this race

 

Register early! Space is limited to the first 4,000 climbers.  Adult: $76 registration before June 1 ($90 after June 1) | $200 minimum fundraising required Youth (8-17 years old): $55 registration  | $100 minimum fundraising required

ABOUT BASE 2 SPACE

Scale the Space Needle’s two open-air staircases, taking in incredible views of downtown Seattle, Mt. Rainier, and the beauty of Puget Sound as you ascend 832 steps to the top of Seattle’s most iconic landmark! All donations raised for this charity stair climb go to Fred Hutch and the Space Needle Foundation. To date, Base 2 Space has raised over $4.5 million for groundbreaking cancer research.

The 10th annual Base 2 Space climb takes place Sunday, September 27, 2026. All participants will receive a t-shirt, finisher medal, and access to the Space Needle’s indoor and outdoor observation decks, including the world’s first and only revolving glass floor.

Click here for more information about the event.

ABOUT FRED HUTCH CANCER CENTER

Fred Hutch Cancer Center unites individualized care and advanced research to provide the latest cancer treatment options while accelerating discoveries that prevent, treat and cure cancer and infectious diseases worldwide.

Based in Seattle, Fred Hutch is an independent, nonprofit organization and the only National Cancer Institute-designated cancer center in Washington. We have earned a global reputation for our track record of discoveries in cancer, infectious disease and basic research, including important advances in bone marrow transplantation, immunotherapy, HIV/AIDS prevention and COVID-19 vaccines. Fred Hutch operates eight clinical care sites that provide medical oncology, infusion, radiation, proton therapy and related services. Fred Hutch also serves as UW Medicine’s cancer program.

For more than 50 years, Fred Hutch has been looking beyond what’s possible today to a new era of discovery. With the partnership of supporters like the Space Needle Foundation, the Campaign for Fred Hutch is transforming the pace and scale of innovation so we can redefine cancer and infectious disease for generations to come.

Want to get involved? Whether you participate in a study, join an event, donate, or share our work, your contribution helps. Learn more at fredhutch.org.

ABOUT SPACE NEEDLE FOUNDATION

As a subsidiary of the Seattle Foundation, the Space Needle Foundation is committed to elevating our community’s collective future by supporting organizations who are at the forefront of transforming lives and make a positive difference in the Puget Sound region.

Philanthropy has the power to ensure all people have an equal opportunity to achieve their full potential. Seattle Foundation provides the expertise, network of partners and research that enables philanthropists to maximize their impact in meeting our community’s most critical needs. Every day, the Seattle Foundation convenes, communicates with and catalyzes our philanthropic partners, uniting passion and discipline to create lasting change.  

Pick your distance

Running

Adult Registration

You will be able to choose the racing or non-competitive staircase upon arrival. Adult registration agrees to raise a minimum of $200. You may choose your start time in the next section. Elites must be able to run a 5-6 minute mile. You will choose your wave start time on the next page.

Sep 27, 2026 Adult Registration 7:30 AM
$90.00
Closed

Kids Registration

Each youth climber will receive a limited edition Base 2 Space T-shirt and is required to raise a minimum of $100 through their personal fundraising page to participate in the stair climb. Climbers 10 years and younger are required to climb with a guardian. You will choose your wave start time on the next page.

Sep 27, 2026 Kids Registration 7:30 AM
$55.00
Closed

Typical race-day weather

Based on 12 years of Open-Meteo archive data for this event's race dates in Seattle, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 11.1° / Maximum temperature (race-week average) 18.0°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 10.5° / Maximum feels like — heat index / wind chill (race-week average) 18.0°
Peak wind (km/h)
Strongest wind of the day (race-week average)
16.8
Precip (mm)
Precipitation over the day (race-week average)
2.2mm
Humidity
Mean relative humidity (race-week average)
80.3%
Sunrise
Sunrise at the start line on September 27, 2026 (PDT)
Sunset
Sunset at the start line on September 27, 2026 (PDT)
Daylight
Hours between sunrise and sunset on race day
11h 53m

The sun rises at 7:03 AM and sets at 6:56 PM local time (PDT) in Seattle on September 27, 2026 — 11h 53m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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2026 results — Base 2 Space

1,540 finishers across 2 distances · leading places in the Adult Registration

View all results
Leading finishers of the 2026 Base 2 Space
Place Name Time Pace
1 Thomas Baker 4:35 11:27 /mi
2 Vasily Tarasov 4:46 11:54 /mi
3 Tristan Roth 4:51 12:06 /mi
4 Jill Paha 5:15 13:07 /mi
5 Andre Ellison 5:20 13:19 /mi

Every finisher is on the results page, filterable by distance, gender and age group.

All results by year

2026 edition View Results
2025 edition View Results
2024 edition View Results
2023 edition View Results

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 133 Seattle events

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