Dare You, Double Dog Dare You, and Triple Dog Dare You Results.

Please tag Joshua Strong if you use these photos (@_joshuawstrong on Instagram). For business use, please contact Joshua directly at hello@joshuawstrong.com.

Please tag Emily Sierra if you use these photos (@em.sierra). For business use, please contact Emily directly at emily@emilysierra.com.

Please tag Tyler Phillips if you use these photos (@tylerphillipsphoto). For business use, please contact Tyler directly at tylerevanphillipsphotography@gmail.com.

Please tag Front Range Media if you use these photos (@frontrangemedia). For business use, please contact Front Range Media directly at dion@frontrangemedia.com.

Please tag Brooke Schimmels if you use these photos (@brookeschimmels). For business use, please contact Brooke directly at brookeschimmels@gmail.com.

Dare You, Double Dog Dare You, and Triple Dog Dare You Results.

Please tag Josh Weinberg if you use these photos (@jweinberg on Instagram).

You are able to use these photos personally but not commercially. Please tag Front Range Media for personal use.

Please tag August Kreutz if you use these photos (@augustkreutz on Instagram).

50- and 107-mile results.

You are able to use these photos personally but not commercially. Please tag Orea Media for personal use.

You are able to use these photos personally but not commercially. Please tag Front Range Media for personal use.