| Knox Bike Racing MTB Wednesday Series | Knoxville | May 12, 2021 |
| Liv Ladies All Ride Signature Camp | Bentonville | May 15, 2021 |
| Royal Gorge Six & Twelve | Cañon City | May 15, 2021 |
| A Singletrack Mind-2-day MTB Core Fundamentals | Palo Alto | May 15, 2021 |
| Return to the Ridge (Cane Creek Cup MTB Series) | Danville | May 16, 2021 |
| Farmall Hill Mountain Bike Challenge | Fairport | May 16, 2021 |
| BetterRide w/Gene Hamilton, 3-Day MTB Skills Course | Fairfax | May 21, 2021 |
| CMJ Raceway | Hixton | May 22, 2021 |
| 3/6 Hours of Loyston Point | Andersonville | May 22, 2021 |
| Knox Bike Racing MTB Wednesday Series | Knoxville | May 26, 2021 |
| Rebecca's Giddy Up Challenge | Remote | May 28, 2021 |
| Mountain Creek Spring National | Vernon | May 28, 2021 |
| BetterRide w/Gene Hamilton, 3-Day MTB Skills Course | Asheville | May 28, 2021 |
| A Singletrack Mind-1-day Women's MTB Core Fundamentals | Truckee | May 29, 2021 |
| A Singletrack MInd- E-Bike Core Fundamentals | Lake Tahoe | May 30, 2021 |
| A Singletrack Mind-Jumps, Drops, Berms, Park Progressions | Novato | Jun 4, 2021 |
| BetterRide w/Gene Hamilton, 3-Day MTB Skills Course | Fairfax | Jun 4, 2021 |
| Liv Ladies All Ride Signature Camp | Bend | Jun 5, 2021 |
| A Singletrack MInd-2-Day MTB Core Fundamentals | Marin | Jun 5, 2021 |
| Battle of the Bikes (Cane Creek Cup MTB Series) | Mayodan | Jun 6, 2021 |