This is the recipe as suggested in the cookbook (where they're called Enduro Balls) but we change it up based on what we have on hand.
1 cup pitted dates
1 1/2 cup rolled oats
1/2 cup raw almonds
1/3 cup raw shelled sunflower seeds
1/4 cup raw shelled pumpkin seeds
2 tablespoons hemp seeds
2 tablespoons ground flaxseed or chia seed (optional)
2 tablespoons cocoa powder
1/4 teaspoon salt
1/3 cup honey
1/4 cup almond butter
1/3 cup fresh mint (we don't add this in, it seems to weird)
2 teaspoons vanilla extract
1/3 cup mini chocolate chips
Soak sour dates in warm water for 30 min, drain on paper towels. Place your dates, and everything up to the salt in a food processer and blend until everything is finely chopped. Add the honey, almond butter, mint if you're weird, and vanilla and blend until it starts to look like the texture of play doh. Pulse in chocolate chips. Roll those bad boys up into balls and store them in the fridge for up to a week. What we sometimes do is just form it into a big brick and slice it into squares. The shape doesn't really matter as once it's been in your pocket for 7 miles it's going to turn into an amorpheus blob anyway.
Heres the cookbook for anyone who's curious, it also has recipes for your own sports drinks and energy gels if you don't want to go store-bought.
https://www.amazon.com/Rocket-Fuel-Power-Packed-Sports-Adventure/dp/1937715469