Upcoming Events
Calendar
Check out races, clinics, group rides, and more happening in the Grand Rapid area. We share GRIMBA activities on our calendar as well as help promote other local MTB events. If you have an event you’d like posted, please send it to grimbamn@gmail.com.
Join the conversation on upcoming events on our Facebook Page.
Fat Forest Fourteen 2025
This year’s Fat Forest Fourteen fat bike ride will be held at Tioga Recreation on the second Saturday in February. Details and registration coming soon.
Tioga Thrillseeker MTB Race
4th Annual Thrillseeker Race in partnership with the Minnesota Mountain Bike Race Series. Categories for all ages and skills levels, from youth to elite.
Visit the Thrillseeker website for details.
Fat Forest Fourteen 2024
This year’s Fat Forest Fourteen fat bike ride will be held at Tioga Recreation on the second Saturday in February. Details and registration coming soon.
Tioga Thrillseeker MTB Race
3rd Annual Thrillseeker Race in partnership with the Minnesota Mountain Bike Race Series. Categories for all ages and skills levels, from youth to elite.
More details coming soon.
Expect registration to open one month prior.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights - Fat Bike Group Ride
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Tioga Thrillseeker MTB Race
2nd Annual Thrillseeker Race in partnership with the Minnesota Mountain Bike Race Series. Categories for all ages and skills levels, from youth to elite.
BBQ Box Company and Borealis Creamery will be on-site selling food.
Coffee will be provided by Brewed Awakenings.
Kids Group Ride
Join us every week on Wednesdays during the summer and fall. This is a no-drop ride open to kids of all ages and their grown-ups. We'll break into groups so all kids can ride the trail levels and pace that are fun for them.
Important Info:
This is not a drop-off event, if your child is not old enough to ride on their own then you must be with them. You assume full responsibility for your child. There is no coaching or instruction.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Kids Group Ride
Join us every week on Wednesdays during the summer and fall. This is a no-drop ride open to kids of all ages and their grown-ups. We'll break into groups so all kids can ride the trail levels and pace that are fun for them.
Important Info:
This is not a drop-off event, if your child is not old enough to ride on their own then you must be with them. You assume full responsibility for your child. There is no coaching or instruction.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Kids Group Ride
Join us every week on Wednesdays during the summer and fall. This is a no-drop ride open to kids of all ages and their grown-ups. We'll break into groups so all kids can ride the trail levels and pace that are fun for them.
Important Info:
This is not a drop-off event, if your child is not old enough to ride on their own then you must be with them. You assume full responsibility for your child. There is no coaching or instruction.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Fat Forest Fourteen 2022
This year’s Fat Forest Fourteen fat bike ride will be held at Tioga Recreation. The base is good and our volunteer groomers have been working hard to keep the trails in top-notch condition.
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Thursday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Emily Bujold.
Depart from trailhead at 5:30.
Just show up or RSVP on Facebook ➡
Wednesday Group Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no-drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups.
Hosted by Paul Watson.
Depart from the trailhead at 4:15.
Just show up or RSVP on Facebook ➡
Fat Forest Fourteen
This year’s Fat Forest Fourteen fat bike ride will be held at Tioga Recreation. The base is good and our volunteer groomers have been working hard to keep the trails in top-notch condition.
Friday Night Lights
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Friday Night Lights
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Meet at the Tioga Recreation Parking lot.
Come with a Fat Tire Bike and a smile.
Lights will be needed. Handlebar light and headlamp would be optimal but one of either will work.
Just show up or RSVP on Facebook ➡
Friday Night Lights
Join GRIMBA in our winter Friday Night Lights rides. Jan 8, Jan 22, and Feb 5 as a lead up to the Fat Forest Fourteen. Want to add more rides? Volunteer to lead! We’ll ride a few groomed trails and enjoy some fireside chat after.
Meet at the Tioga Recreation Parking lot.
Come with a Fat Tire Bike and a smile.
Lights will be needed. Handlebar light and headlamp would be optimal but one of either will work.
Just show up or RSVP on Facebook ➡
“The Pie Burner” Thanksgiving Weekend FatBike Ride 2020
After much back and forth and with the blessing of the host venues ownership...this ride will go on as planned!!
It will take whatever form it will; with whoever feels comfortable attending. There will be no preregistration. If you want to ride...show up!
More information will appear here and on the Pie Burner Facebook page…
GRIMBA Group Ride
Join us for a group ride! This is a social ride but we plan on getting some good runs in. We can hit whatever trails everyone is comfortable with and if we have enough people we can break into two groups. EVERYONE is welcome, you do not need to be a GRIMBA member. It is a no-drop ride so ride at your own pace and we will wait for you.
Bring a headlamp just in case.
Meet at Basecamp at 5:00, we’ll depart at 5:15 sharp.
Just show up or RSVP on Facebook ➡
Weekly Ladies Ride
This is a social ride on intermediate/blue trails and everyone is welcome. It is a no drop ride so ride at your own pace and we will wait for you. If we have enough people we can break into two groups. Bring a headlamp just in case.
Meet at Basecamp at 5:00, we’ll depart at 5:15 sharp.