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Three-loop course through Greenbelt, Maryland and the U.S.D.A. Beltsville Agricultural Research Center. USATF-certified, Boston Marathon qualifier.

Relay option: three (or two) runners complete 9.7, 7.3 and 9.2 mile legs.

Aid stations: 13 aid stations at approximately two-mile intervals. Water and Gatorade at all; PowerGel at many.

Comfort Stations: facilities available at aid stations (except for 2.4-mile).

Aid Station Drinks Food Comfort Station
Start Line Water/Gatorade
#1(Mile 2.4) Water/Gatorade
#2(Mile 4.2, 11.5, 18.8) Water/Gatorade Jeally beans/ Pretzels X
#3(Mile 5.8, 13.1, 20.4 ) Water/Gatorade Power Gel X
#4(Mile 8, 15.3, 22.6) Water/Gatorade Bananas X
#5(Mile 9.7, 17, 24.3 )

Relay Exchange

Water/Gatorade X
Finish Line Water/Gatorade X

Timing and Bib Numbers: Bib number must be visible at all times during the race.  The race will be chip-timed using the Chronotrack chip timing system.  All runners will be given a net and gun time. Overall awards will be based on gun time and age groups based on net chip time.

Time limit: 6½ hours (equates to a 14:53/mile pace). Solo marathoners must begin the third loop by 2:15 pm.