Thousands of motorcyclists will fill the streets of Washington this weekend for the Rolling Thunder Run to raise awareness of prisoners of war and service members missing in action.

The 31st annual demonstration will feature a series of events culminating in a coordinated ride Sunday from the Pentagon through the National Mall to West Potomac Park.

Here are the key events to be aware of:

Friday, May 25

5 p.m. - Washington National Cathedral - ‘Blessing of the Bikes’

9 p.m. - Candle Light Vigil at the Vietnam Veterans Memorial

Saturday, May 26

9 a.m. - Opening of Thunder Alley, the official vendor site of Rolling Thunder XXXI on 22nd Street and Constitution Avenue NW. Remains open all weekend until 9 p.m.

Sunday, May 27

7 a.m. - Bikers rally in the North and South Pentagon parking lots

Noon - Rolling Thunder XXXI First Amendment Demonstration Run

1:30 p.m. - Rolling Thunder Speakers Program (Lincoln Memorial)

3 p.m.- Musical tribute to veterans

8 p.m. - Memorial Day Concert at the Capitol.

Monday, May 28 - Memorial Day

9 a.m. - WWII Memorial Wreath Laying Ceremony

2 p.m. - National Memorial Day Parade - Marching bands and veterans’ units from all 50 states. Begins at the corner of Constitution Avenue and Seventh Street Northwest.

3 p.m. - National Moment of Remembrance