+Ultra running refers to any footrace exceeding the conventional [Marathon](/wiki/marathon) distance of 42.195 kilometers. These grueling events test human [Endurance](/wiki/endurance), often spanning vast distances over challenging terrain and requiring immense mental fortitude. Participants explore the limits of their physical and spiritual capabilities, often engaging in [Trail Running](/wiki/trail_running) for extended periods.
+## See also
+- [Running](/wiki/running)
+- [Long Distance](/wiki/long_distance)
+- [Athletics](/wiki/athletics)
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