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Spring BYB 5M/10M Trail Running Series Rosaryville Off-Road Half Marathon/10K Fountainhead Off-Road Half Marathon/10K
Blue Crab Bolt 5K/10K Trail Running Series

XTERRA EX2 Off-Road Triathlon/Duathlon

Rocky Gap Adventure Race
EX2 Off-Road Half Marathon/10K Fall BYB 5M/10M Trail Running Series    
Blue Crab Bolt 10K Trail Running Series:


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Blue Crab Bolt Trail Running Series - Registration

Registration update on 6/18/15 @ 6:30am - Race day registration for the BCB#3 at Schaeffer Farms WILL be available on site. Check-in opens at 6:30am and the race starts at 8am. See 'Directions' link for special race day staginging area.

Why Register Early?

  • Guarantee yourself a spot in the race. These races have limited entry and may sell out before race day.
  • Pay less. The earlier you register, the more money you will save.
  • EX2 offers a very liberal refund policy.
  • Guarantee yourself a t-shirt in your specified size (see below).
  • Commitment equals motivation.
Register online with
Preferred method of registration!

See Who's RacingYou may register and pay online for this race., our registration service provider, charges a fee for this convenience (6.5% of reg fee + $1). To avoid paying the convenience fee, print out the registration form and send in via the US mail.



Register Online at

Refund, Transfer & Cancellation Policies

Series (ALL 3 races):
- Early (2 months out - By: 3/30/15)
- Regular (2 weeks out - By: 5/16/15)
- Late (3 days out - By: 11:59pm on Wed, 5/27/15, close of online reg)
- Race Day (On: 5/30/15 - if space is available)

Individual Races:

- Early (2 months out)
Race #1 by: 3/30/15
Race #2 by: 4/6/15

Race #3 by: 4/20/15

- Regular (2 weeks out)
Race #1 by: 5/16/15
Race #2 by: 5/23/15
Race #3 by: 6/6/15

- Late (3 days out - By 11;59pm on the following dates - close of online reg)
Race #1 by: Wed, 5/27/15
Race #2 by: Wed, 6/3/15
Race #3 by: Wed, 6/17/15




Register by Mail

Via mail by printing the Blue Crab Bolt Trail Running Series Registration Form and sending a check made payable to: EX2 Adventures.

Required Forms

If you are registering online, you will complete the liability waiver online. If you mail in your registration, please print, sign, and send in the liability waiver with your registration.
(See Schedule)

Entry Fee Includes

Fun and challenging course design, limited race entry of 300-400 athletes depending on park, professional race operations, wonderful volunteer support, aid stations stocked with water and Gatorade, medical support, chip timing, accurate results, timely posting of results at the event and on the EX2 website, plentiful post-race food (breakfast burritos and other tasty treats - yum!), electric atmosphere, great music, awards, and colorful t-shirts (one/person for the series. see below).


High-quality Zorrel t-shirts for men and Next Level t-shirts for women are distributed at these races. The Zorrel Z100 men’s tees have a cotton feel and microfiber Dri-Balance Lifestyle Moisture Transport Technology. The Next Level ‘boyfriend’ women’s tees are a 100% super soft combed 4.3 oz cotton jersey with a slim fashion fit, a longer length, and longer sleeves, like your boyfriend's old t-shirt but with a fit for women. Any racer may order either the men’s tee or the women’s tee. All racers that register at least 10 days before the event are guaranteed a t-shirt in their specified size. In an attempt to predict racer participation, we will order some additional t-shirts. However, those registering within 10 days of the event will receive t-shirts while supplies last. Racers will receive one t-shirt for the entire series, regardless how many races in the series are entered. The vast majority of racers do not want more than one t-shirt and this policy enables us to keep the reg fee as low as possible.

Hi-Res Race Photos

As the official photographers of EX2 Adventures, Swim Bike Run Photo captures the spirit of adventure and friendly competition at each of our races. They offer digital downloads and traditional prints. The very talented photographers at SBR take thousands of photos at each race and they all go online within 14 days of the event. A link to their website will be available from the ‘results’ webpage. If you see a photo you fall in love with, please support this awesome company and make the purchase.

Blue Crab Bolt Trail Running Series is sponsored by:

The Bike Lane IFP
Baird Automotive DrinkMore Water
Positively Chiropractic Pow-Her



Thank you for visiting EX2 Adventures.
Since the year 2000, EX2 Adventures has produced quality outdoor adventure experiences for the greater Washington DC metropolitan community. We encourage you to browse our site and join us at our events. Whether as a competitor, volunteer, or sponsor you are sure to have an excellent experience!