hackathons in Seattle 2026

upcoming hackathons in Seattle: campus, city and online events, with listed prizes and deadlines.

As of November 2026, Tensor Hack lists 5 open hackathons naming Seattle: all in person or hybrid. The next listed event starts Fri, 6 Nov 2026 (Project Hack Night & Social). One lists a prize, worth $100 at the source.

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05 / 05 shown

01 / in-person / < starts nov 6 · in 3d >

Project Hack Night & Social

Puget Sound Programming Python (PuPPy) · seattle, wa

prize TBA

02 / in-person / < closes nov 15 · 13d left >

Haven Seattle

Hack Club · seattle, washington, usa

$100 prizeDESIGN

03 / in-person / < starts nov 20 · in 17d >

Project Hack Night & Social

Puget Sound Programming Python (PuPPy) · seattle, wa

prize TBA

04 / in-person / < starts dec 10 · in 37d >

Encrypted Compute Hackathon

Niobium · seattle, wa

prize TBA

05 / in-person / < starts jul 24, 2027 >

Waterlines: Mapping Land & Water Advocacy Along the Duwamish | Community Mapping + Environmental Storytelling Hackathon

Personal · bellevue, washington

prize TBA

about this track

hackathons in seattle 2026

this page collects hackathons whose listing names Seattle: events held at Seattle campuses and venues, plus online hackathons run by Seattle-based hosts. Seattle includes Redmond and Bellevue listings.

every listing links to its source page. check the venue, eligibility and registration deadline there before you form a team.

Make a free shortlist Browse the calendar

faq

how do i find hackathons in Seattle?

this page lists every hackathon in the Tensor Hack index whose name, host or location mentions Seattle, sorted by date. the usa page covers the rest of the country.

are Seattle hackathons in person or online?

both. campus hackathons are usually in person, while some hosts run their events online. each card shows the format the source lists.

can students from other cities join?

many university hackathons welcome students from other schools, and some are limited to enrolled students or a region. eligibility is set by the host, so read the rules on the source page.

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