The Darcars Twilight Runfest, presented by the Rockville Rotary Foundation and the City of Rockville, is back!

The 8-kilometer road race and 1-mile family fun run will be held Saturday, July 21.

Registration is open at The early bird registration fee through May 30 is $25.

Twilight Runfest ad.

The pre-race festival will begin in Downtown Rockville at 6:30 p.m. Planned activities — weather permitting — include band, beer, community booths and vendors. The fun run begins at 7:45 p.m.; the 8K starts at 8:15 p.m.

The fee from June 1-July 19 is $33. After July 19 and for race-day registration, the fee is $45. The 1-mile fun run is $10 per individual, $30 per family.

For more information on the Twilight Runfest, visit or find it on Facebook,