Every race will include running/trekking, mt. biking (including single-track), and map and compass navigation (all mandatory points for END-SPAR will be pre-plotted). Additional disciplines, depending on the year's course, might include climbing/rope work (tree climbing, rope ladders, two and three wire bridges, tyrolean traverses, rope swings, etc.), pack-rafting, swimming, or canoeing. Categories include: 3/4 person coed (premiere), 3/4 person all male (open), 2 person open, 2 person coed. Entry fees are $40 pp before March 1st and $50 pp before April 25th. Registration closes at midnight on the 25th of April. Entry Includes: maps, park entry, all mystery challenge equipment, swag, light post-race refreshments, and a prize pool. Race will be limited to 30 paying teams. Teams receiving free entry will not count towards this cap. The race is expected to fill up.