If the thought of another run-of-the-mill 5K bores you to tears, sign up for one of these unique fitness events. From dodging zombies to running through obstacle courses and lots of social drinking, there’s definitely an event on this list that will challenge and entertain you this year. Reward that hard training with some fun!

Here are five of the most popular races on the market:

1. Tough Mudder

A hardcore obstacle course race designed by British Special Forces, Tough Mudder tests your strength, stamina, mental grit and camaraderie. Your team will forge through ice water, mud, fire and 10,000 volts of electricity – making sure no one gets left behind, and finishing off the day with beer and live music.

2. The Color Run

Known as “The Happiest 5K On The Planet,” The Color Run is the original paint race that hosted more than 170 events around the world in 2013. Join the fun this year and wear white to the starting line. You’ll finish the race doused in color before attending the larger than life Finish Festival equipped with music, dancing, and even more explosions of color.

3. The Quadrathlon

This Grant, New Mexico, quadrathlon combines biking, cross country skiing, running and snowshoeing for the ultimate adventure course. The race starts at an elevation of 6,500 feet and climbs to the spectacular 11,301 foot summit of Mt. Taylor before returning to the finish line. Compete by yourself, in a pair, or on a relay team.

4. The Warrior Dash

Touted as the world’s toughest obstacle course, this extremely demanding 5K features fire jumping, cargo net climbing, mud crawling and more. You never know what challenge will be thrown at you next on this course, but finishers receive a furry warrior hat and get celebrate with beer and live music.

5. Zombie Run

Fans of The Walking Dead will want to sign up for this one. Run for your life from a horde of hungry, merciless zombies who will test your speed and endurance in this terrifying yet fun race. “Survivors” who finish the race with more than one health flag will receive a medal, while everyone else will join the horde of the undead. Choose to run alone, as a team or be one of the zombies.