Your Cart

0 item(s) in cart/ total: $0    view cart
Registration Closed for 2019!

Registration Closed for 2019!

Your Price:$40.00
Not for Sale.
Free Shipping.

Choose Options

First Name
Last Name
Race Waiver
I have read and agree
B21 Singlet Size
Men S
Men M
Men L
Men XL
Women S
Women M
Women L
Women XL
Iron Runner Jacket/Vest or 1/4 Zip Size
Men's Small
Men's Medium
Men's Large
Men's X-Large
Women's Small
Women's Medium
Women's Large
Women's X-Large
Want to sponsor the B21 Running Race Series? Sponsor Information
Registration Form Here
The cost to enter the B21 Race Series is $40.00 payable to Berkshire Running Center.
Registration for the B21 Series does not include your race registrations for each race.

B21 Series 2019

You Pick Your Race Schedule! Run 50K or 31 Miles of races and volunteer for 1 to earn your Iron Runner SWAG in 2019!

The First Race on January 1st is the only race getting double mileage for 2019! Run 3.1 miles get credit for 6.2!

You can only count 1 of the Frosted Mug 5K series races and 1 of the SRS races towards your total race miles

Get a B21 Singlet just for signing up!

  1. January 1st New Year’s Run 5k
  2. January 27th Frosted Mug #1 5K
  3. February 10th Frosted Mug #2 5K
  4. February 24th Frosted Mug #3 5K
  5. March 10th Frosted Mug #4 5K
  6. May 19th Steel Rail Half Marathon and 8K
  7. June 8th Chug Run 5K
  8. June 20st Green Mile
  9. June 27th Run For the Suns 1 Mile
  10. July 10th SRS
  11. July 17th SRS
  12. July 24th SRS
  13. July 31st SRS
  14. Aug 7th SRS
  15. Aug 14th SRS
  16. Aug 21nd SRS
  17. Aug 28th SRS
  18. August 4th Guido’s Great 8 Mile
  19. September 1st Greylock Road Race 8 Mile
  20. September 8th Greylock Glen Trail Races 5k & 10K *NEW RACE*
  21. September 22rd Apple Squeeze 5k/5Miler
  22. October 13th Ramblefest 15K and 2 person relay (7.5K ea) *NEW RACE DISTANCE**

**Details about these races are tentative at the time, once confirmed the * will be removed.  

We do reserve the right to switch races if we feel there is a need, however every attempt will be made to keep the schedule as is.