Stop the Clot Event Calendar

On November 1, 2026, thousands of runners will take on the streets of New York City. As a member of Team Stop the Clot, you’ll run for more than a finish line — you’ll run to prevent blood clots and save lives. Every mile you train and every dollar you raise supports the National Blood Clot Alliance’s mission dedicated to advancing the prevention, early diagnosis and successful treatment of life-threatening blood clots. Why Run with Team Stop the Clot?

As a team member, you'll receive:

• Guaranteed entry to the 2026 TCS New York City Marathon (if selected)
• Personalized fundraising support and toolkit
• Team coaching and fundraising strategy calls
• Official Team Stop the Clot race singlet
• Recognition on our website and social media
• The opportunity to make a lifesaving impact