Course Marshal

Serve as course marshal directing participants along the route. Be there to support them and cheer them on at one of the many locations along the route. Details will be provided at orientation and as volunteers are dropped off at their specific location.

Packet Pickup

Be a part of the anticipation and excitement before the big race! Packet pick up takes place at four different locations this year. Athletes will pick up event information and their packets. Assist us at packet pickup by distributing t-shirts and race information, greeting runners or providing directional assistance throughout the site.

Thursday, September 22nd: 11am-6pm
CDA - Chicago Department of Aviation
10510 W. Zemke Road, Chicago, IL 

Friday, September 23rd: 11am-6pm
Willis Tower - Lobby near Wacker Side (south of Starbucks)
233 S. Wacker Drive, Chicago, IL

Saturday, September 24th: 10am-4pm
Fleet Feet Pipers Alley
1620 N. Wells Street, Chicago, IL

Sunday, September 25th: 6:30am-8:00am
Race Site - O’Hare International Airport
W Cargo Rd
Franklin Park, IL 60131

Water Station

If you like to be hands-on in keeping participants safe and hydrated, the Water Station is the spot for you. Water Station volunteers set-up and teardown the Aid Station along the route. This role does involve physical activity and the ability to lift 25 lbs. or more.

Runner Services

Be the first to greet runners as they come across the finish line!  We need your help to assist runners as they seek water and food.

Ask Me & Directional

Direct participants around the race site and answer race related questions.

Gear Check

Assist participants as they “Check” their belongs while they participate.  Gear Check allows participants to bring personal items with them to have after they participate in one of the events.

Event Location

O'Hare International Airport, Chicago, IL, United States

Click here to view map