Support this Site

Please donate any amount to help support Fastest Known Time.  Maintaining over 600 routes (and counting), with 300 gpx files alone, takes a lot of time and effort.  Thank you!

Donate by check

Make your check out to "Fastest Known Time LLC" and mail to:

Fastest Known Time LLC
3135 4th Street
Boulder, CO 80304

Donate with PayPal or credit card

Click "Donate" below. A PayPal account is not necessary for credit card donations.


Thank you!