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Greater Arizona Bicycling Association, Inc.
Where cycling is more than just riding a bike
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HomeTumacacori Century Challenge

Tumacacori Century Challenge

Monday September 28th to Sunday, October 4 , 2020.  
Start location:  Sahaurita, AZ or Anywhere, USA

Distances: 100 Mile Loop/Out & Back, 70 Mile Out & Back, 30 Mile Out & back.
(Virtual Ride)

THE most popular GABA bicycle ride in Southern Arizona! Three options are available for riders from novice to very experienced cyclists.

What makes this such a GREAT ride?

• It's October in Tucson...perfect weather for a bicycle ride.

• With El Tour De Tucson a month away, it proves to be an excellent training ride.
• The route is a mixture of flat, rolling hills, and challenging climbs, all the while being very picturesque!
• Many cyclists record their best time for riding a century on this route!

Register Now!

Course Overview & Maps                                                                               

All route options run south through the scenic Santa Cruz River Valley, Tubac, and Tumacacaori Mission with distance options that will accommodate all levels of cyclists.

100 Mile Out & Back - Rio Rico
Tum 70
70 Mile Out & Back - Tumacacori Mission
Tum 30  mi
30 Mile Out & Back - Arivaca - Tumacacori Mission
How it works:
1. Register on the GABA website. Registration fee for members and non-members is $25.00.

• Register to ride one of the 100 mile, 70 mile, or 30 mile distances.

 If you like to ride with friends, invite them to register and join you on your ride as long as  there are less than 10 of you in a group and you maintain social distancing. You can't share miles but you can share in the experience.

2. Start your ride from any location in Sahaurita or Green Valley, or anywhere USA (we do encourage you to ride the Tumacacori Century route). You have a week to complete the Tumacacori Century Challenge. Challenge dates: Monday September 28th to Sunday October 4th, 5:00 pm.

3. This ride is on your own. There will be no volunteer support for this challenge and no Day of Registration. 

4. Join the virtual community of fellow riders through our Strava Group, Greater Arizona Bicycling Association (GABA) Encourage your friends and talk smack about who will complete the challenge.

 Log your ride in the GABA Strava Group.
 Label your ride Tumacacori Century Challenge or Tumacacori Challenge.
 Supported Rides will monitor the GABA Strava Group to see who has completed the Challenge.

Participants will receive:
To be determined...


Online registration opens August 24, 2020, and closes at 10 pm on September 27th.

Each rider is required to register. Fees are per 
rider, not per bike (both riders of a tandem mustregister separately.) 

*  Registration fee is $25.00 for members and non-members. The fee will not increase and there is No Day of Registration.

Register Now!

What your ride fee goes towards.                                                                              

To support the Greater Arizona Bicycling Association and COVID-19 relief.

Ride Specific Information                                                                                            

If you have questions about this ride, please contact Colleen at

Cancellation Policy                                                                                                    

Cancellation Policy can be found on the Registration page.Cancellation Policy can be found on Registration page