Tunnels Like Waldo Tunnel
Caldecott Tunnel
Tunnel
7.75
Good
CIM California International Marathon
Marathon
9.28
Excellent
Chesapeake Bay Bridge-Tunnel
Tunnel
8.92
Great
Holland Tunnel
Tunnel
8.85
Great
Chesapeake Channel Tunnel
Tunnel
8.22
Great
Lincoln Tunnel
Tunnel
8.22
Great
Thimble Shoal Tunnel
Tunnel
8.18
Great
Eisenhower-Johnson Tunnels
Tunnel
8.08
Great
Yerba Buena Island Tunnel
Tunnel
8.05
Great
Santa Rosa Marathon
Marathon
7.95
Good
Fort McHenry Tunnel
Tunnel
7.88
Good
Fort Pitt Tunnel
Tunnel
7.82
Good
Cumberland Gap Tunnel
Tunnel
7.75
Good
Hugh L. Carey Tunnel
Tunnel
7.72
Good
Belgian Waffle Ride California
Cycling Race
7.72
Good
Mount Baker Tunnel
Tunnel
7.68
Good
Ted Williams Tunnel
Tunnel
7.62
Good
Queens Midtown Tunnel
Tunnel
7.58
Good
Hampton Roads Bridge-Tunnel
Tunnel
7.52
Good
Monitor-Merrimac Memorial Bridge-Tunnel
Tunnel
7.38
Good
Port of Miami Tunnel
Tunnel
7.38
Good
Baltimore Harbor Tunnel
Tunnel
7.28
Good
Liberty Tunnel
Tunnel
7.25
Good
Mercer Island Tunnel
Tunnel
7.22
Good
