+An **ultramarathon** is any [running](/wiki/running) race longer than the traditional 42.195-kilometer (26.219-mile) [marathon](/wiki/marathon) distance. These events test human limits of endurance, often spanning vast distances over challenging terrain and multiple days.
+## See also
+- [Endurance](/wiki/endurance)
+- [Trail Running](/wiki/trail_running)
+- [Long-distance Running](/wiki/long-distance_running)
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