Kickoff the 2020 NFL season with the Broncos Fit 7K at Empower Field at Mile High!   All members of Broncos Country, walkers and runners alike, are invited to join the Denver Broncos at the Broncos Fit 7K over Labor Day Weekend with proceeds benefiting the National Sports Center for the Disabled.   Participants will start the run/walk at Empower Field at Mile High and head west into the beautiful Sloan’s Lake area before heading back to the stadium where…