ONE TOUGH 5K! at Crystal Lake Park. This Dash and Deciduous 5k trail run is "delightfully dangerous," featuring "ankle-twisting roots" and "steep, dangerous hills." It's a "super secret, FREE, timed 'FATASS' 5k" with "Danger" signs along the course, making it feel like the "longest 3.1 of my life!" Challenging for beginners, veteran trail runners will find plenty to enjoy. If enough people show up, keep an eye out for hidden Easter eggs you can trade for a small prize.