You’ve heard of the Indy 500, well, here comes the Undie 500.

The finish line is at St. Margaret’s House in downtown South Bend.

The day center for women will host an underwear drive, aiming to collect 500 pairs of new women’s and children’s underwear.

The Undie 500 event on Saturday.

You can drop your donations off to the St. Margaret’s House parking lot on Lafayette Blvd, from 9 a.m. until 12 p.m. on Saturday, May 21.