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Initiative to the Legislature IL26-638 (Girls' Sports Participation)

Unofficial result: Passed

Source: results.votewa.gov

Washington
My vote power: Above average

What does this measure do?

Washington school sports policies would have to bar students the initiative defines as biologically male from female-only interschool sports, with a health care provider's statement verifying biological sex for those who play. Girls' teams would be limited by biological sex.

Read the official ballot measure (PDF)

Proposed by: Citizen initiative by Let's Go Washington (founder Brian Heywood)

A campaign group founded by hedge fund executive and Republican donor Brian Heywood. State lawmakers did not act on it, so voters decide.

Source: news.ballotpedia.org

A YES vote means

Female-only school sports would be limited by biological sex, verified by a health care provider's statement.

A NO vote means

Washington's current rules on who can play school sports stay.

Campaign Finance Information

Campaign Finance Information

Largest donors supporting

  • Brian HeywoodHedge fund CEO; sponsor of these initiatives$606,869
  • Steve GordonRetired trucking company executive$250,000
  • Lawrence HughesRetired (per filing); Medina, Washington$250,000
  • Robert CrowInvestor (per filing); Medina, Washington$245,000
  • Kelley DevCom LLCBellevue, Washington LLC; owner not named in filings$200,000

Some of this money went to groups that also work on other measures.

Largest donors opposing

  • Inatai FoundationWashington health-equity foundation$250,000
  • National Education Association · DCNational teachers union$250,000
  • Washington Education AssociationWashington's teachers union$248,989
  • No on 645Union-funded campaign against Initiative 645Its top donors: Washington Education Association; Washington Federation of State Employees; SEIU 775 Ballot Fund$157,000
  • ACLU of WashingtonCivil liberties group$120,672

Some of this money went to groups that also work on other measures.

Filings as of September 17, 2026 · Sources: pdc.wa.gov23

Sources: sos.wa.gov2

Source: sos.wa.gov