May 2026 Running Races Near Buffalo, NY
This page lists running races happening in May 2026 within about 100 miles of Buffalo, NY, using event information sourced from RunSignUp.
Saturday, May 2, 2026
Beyond Vision Dash – Buffalo, NY
Family-friendly run/walk in the city.
Details and registration: Beyond Vision Dash on RunSignUp
Cinco de Mayo Run – Clarence, NY
Festive Cinco de Mayo-themed community run in Clarence.
Details and registration: Cinco de Mayo Run main event page
DENFIT ULTRA (50k / 100k) – Colden, NY (Buffalo Ski Center)
Trail ultra with 50k and 100k options, running across the weekend of May 2–3, 2026.
Details and registration: DENFIT ULTRA on RunSignUp
Saturday–Sunday, May 9–10, 2026
Mind Over Miles — 24 Hour Challenge – Buffalo, NY (Delaware Park)
24-hour run challenge looping around Delaware Park.
Details and registration: Mind Over Miles — 24 Hour Challenge on RunSignUp
Thursday, May 21, 2026
The Buffalo Shakeout – Buffalo, NY
5-mile shakeout and kickoff run to start Buffalo Marathon Weekend.
Details and registration: The Buffalo Shakeout on RunSignUp
Saturday–Sunday, May 23–24, 2026
Buffalo Marathon Weekend – Buffalo, NY
Full weekend of events including a marathon, half marathon, 5K, and related runs and walks.
Details and registration: Buffalo Marathon Weekend on RunSignUp
Friday, May 29, 2026
Christian Central Academy’s GRACE RACE (Color Run) – Buffalo, NY
School-based color run fundraiser supporting Christian Central Academy.
Details and registration: Christian Central Academy’s GRACE RACE (Color Run) on RunSignUp