NOTE: NBC Chicago will offer a live stream of the race from start to finish Sunday. Tune in live here .

The 2025 Chicago Marathon steps off Sunday, but what time will runners cross the start and finish lines?

Start times depend on a variety of factors, including which subgroup a runner is in and which "wave" they start with.

Marathon start times are staggered into "waves" so runners will cross the finish line at varying points throughout the day.

Here's a look at the race day schedule for Sunday:

Full Marathon schedule

The first group kicks off the race starting at 7:20 a.m. CT on Sunday.

Here's the full start time schedule for each group and wave:

Men’s Wheelchair Start: 7:20 a.m.

Women’s Wheelchair Start: 7:21 a.m.

Handcycle Start: 7:23 a.m.

Wave 1 Start: 7:30 a.m.

See Full Page