Ultra & Trail
Ultramarathon, vert, cutoff times, crew, pacers, drop bags, and backcountry racing.
Terms in This Category
5 termsVert (Vertical Gain)
Total elevation gain in a race. A 100-miler might have 20,000+ feet of vert.
Cutoff Time
Maximum allowed time to reach checkpoints or finish. Miss a cutoff and you're pulled from the race.
Pacer
A runner who accompanies an ultra racer through later miles for safety, motivation, and navigation.
Drop Bag
Gear bag placed at an aid station before the race, containing fresh clothes, food, and supplies.
Crew
Your personal support team at an ultra — friends or family who meet you at aid stations with food, gear, and encouragement.
Organize Ultra Races?
List your races free and reach athletes looking for their next challenge.
List Races FreeLearn More
This category covers key terms, concepts, and techniques used in endurance sports. Browse the terms below to learn definitions, training applications, and how they relate to your racing goals.
Each term page links to upcoming races and events. You can also search for specific race types or browse our events page filtered by discipline and location.