Marathon Week is taking over NYC, and you don't have to be running 26.2 miles to get in on the fun. From free coffee and exclusive giveaways to limited-time brand pop-ups, shakeout runs, custom race-day gear and spectator experiences, some of your favorite brands are going all out for the 2026 New York City Marathon. Whether you're running, cheering from the sidelines or just looking for something fun (and free) to do in NYC this week, consider this your guide to the best marathon-week events happening across the city. Save this roundup, send it to your running crew and follow @nycagenda for your weekly edit of free things to do in New York City. Some events require advance registration, and giveaways are available while supplies last. #NYCMarathon #NYCpopup #NYCEvents #NYCThingsToDo #nycagenda - @nycagenda