2026 Boston Distance Running Series (5k, Marathon, 10k, Half-Marathon)
The Boston Athletic Association (BAA) provides pathways for inclusion of runners with intellectual impairments in The Boston Marathon and other annual events.
FOUR ANNUAL EVENTS OFFERED:

- Boston 5K (April 18, 2026)
- Boston Marathon (April 20, 2026)
- Boston 10k (Tentatively June 21, 2026)
- Boston Half Marathon (TBA November 2026)
TWO COMPETITION PATHWAYS FOR ATHLETES WITH INTELLECTUAL IMPAIRMENTS:
- T20 Paralympic Division (Virtus II1 or II2 National Eligibility)
- General Adaptive Runner Program (Virtus II1, II2 or II3 National Eligibility)
WHO’S ELIGIBLE:
- Athletes with National Virtus II1 or II2 eligibility can compete for prize money in the competitive Para T20 Class (without a guide runner and higher qualifying times) at this event, or may choose to stay in Adaptive Runner Program (with a guide runner and lower qualifying times).
- Athletes with National Virtus II3-Higher Functioning Autism (who are not eligible for Para T20) can compete in the Adaptive Runner Program.
ABOUT THE T20 PARALYMPIC DIVISION:
In 2023 The Boston Athletic Association (BAA) made an important announcement when they added a competitive division for intellectual impairment which is open to Virtus II1/II2/T20 runners with National or International classification.
- Full Scale IQ of 75 or lower on accepted IQ assessment WAIS, WISC, or Stanford Binet, and
- Adaptive Behavior significant limitations (70 or lower in at least one domain area) on Vineland, ABAS or AAMR scales, and
- Evidence there was diagnosis of Intellectual Disability before age 22
HOW TO APPLY:
Those interested who already have Virtus eligibility (listed our US Track & Field National List) should reach out to Athletes Without Limits using our Contact Us form so we can help you navigate this new opportunity.
New US runners with Autism, Down Syndrome and Intellectual Disability should start by applying to Athletes Without Limits for an eligibility review using our US Athlete Virtus & Para Eligibility Application Page.
BE SURE TO ALSO REGISTER WITH THE B.A.A:
You’ll also want to watch entry deadlines, complete the event registration process on the B.A.A website and apply directly to the B.A.A. Adaptive Runner Program while we work to confirm your Virtus or Para eligibility.
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