Buffalo Marathon Weekend - Buffalo Marathon 5k Run

2027 marks the 26th anniversary of the Buffalo Marathon Weekend. Come out and enjoy a Full Marathon, Half Marathon, the Buffalo Marathon 5K, 5K Walk, Kids Mini-Marathon, Diaper Dash or The Ruffalo.  This is a fast, scenic Boston Marathon qualifier that takes you through the best streets, parks and waterways in Buffalo. Registration changes (deferrals, race transfers, participant transfers) close April 30, 2027. Please be Aware There are No Refunds.  Please understand to provide you with the best event possible we need to plan, budget and control our costs based on our registration numbers.  We do realize life does happen and things do come up that may prevent you from participating. With that in mind we are providing several options in the unfortunate event you cannot make the race.  Protect Your Race Registration Registration insurance is available for the nominal charge of 7.5%  of the registration cost including processing fee (minimum charge is $8.99).  Register with peace of mind knowing you can recover 100% of your registration cost plus fees If you cannot attend the race for a number of reasons, including covered injury, illness, traffic accidents, and more.