The 25th Annual Pre-Fat Bike Race



Saturday, Aug 21, 2021

Welcome to the Home of the

2021 Seeley Lions Club

PreFat Mountain Bike Event and Race!

This is our 25th Anniversary!!

Event Update – June 21, 2021

Thank you for your interest in the PreFat. Registration for the 2021 PreFat is now open!

The PreFat is the Seeley Lions major annual fundraiser that allows us to carry out the many yearly projects we carry out to provide help and service to our local community. Our sponsors and you participants make this possible!

We are confident that the 2021 Seeley Lions PreFat Mountain Bike Race will take place. Following are our current plans. Obviously we intend to hold an event that is safe and fun for all participants and our volunteers. For those reasons. the event format may be adjusted as we move forward. We will update this webpage as needed to assure that everyone is immediately aware of any changes that are needed.

Special 25th Anniversary PreFat Sportswear is also available.

The deadline for the PreFat Sportswear order has been kindly extended by Hidden Bay Graphics to August 23, 2021.

Orders must be placed no later than August 23, 2021, and will be ready for pick up at Hidden Bay Graphics or shipped to you the week of September 20, 2021.  These will NOT be available on race day.



Expert Race Lead Riders at Lake Helane

Expert Race Lead Racers at Lake Helane         Photo courtesy of Paul Ostrum

Five Big 2021 Events plus a Team Competition

25 Mile EXPERT Race


A fast, technical and physically challenging race course, for the advanced skilled and conditioned rider. For riders age 16 and older


17 Mile SPORT RaceSawmill

A fast, less technical, yet challenging course for the moderately skilled and conditioned rider. For riders age 12 and older.

10 Mile CITIZEN Race

A less technical, rolling course for beginner to moderately skilled and conditioned riders. For riders age 10 and older.


Norvado The Fat Bike race on a fast, less technical, yet challenging course for moderate to highly skilled and conditioned riders using the “Sport Course”. For riders age 12 and older.

Special Cub Event  Cub Event Sponsor

This is a self-timed kids event, approximately one mile in length for kids age 12 and under.


NOTE: All bikes, i.e. mountain, fat, and single speed race in ONE category in the Expert, Sport and Citizen races. Sorry, but no Tandem bikes are allowed due to the narrow and tight single track portions of the courses.


Larry Myhra, Co-Race Director

Ned Zuelsdorff, Co-Race Director


The PreFat Event is our largest annual fundraiser. All funds are used to support our community service activities, including continued improvements to Silverthorn Park just north from Seeley, and construction of a new, public warming cabin on the Seeley Trails. We welcome and appreciate and additional donations you are able to provide to the Seeley Lions to help us continue these efforts!!

2019 Race Results

View 2019 PreFat Results

2019 Team Results are available here