endurancelimit

noun
UK /ɪnˈdjʊərəns ˈlɪmɪt/
US /ɪnˈdʊrəns ˈlɪmɪt/

The point where you can't keep going any longer.

After running ten miles, she finally reached her endurance limit.


OTHER MEANINGS

2. The highest amount of stress a material can bear before it fails.

Engineers tested the metal's endurance limit under repeated bending.

3. The longest time a person can keep doing something tiring.

His endurance limit for studying is about two hours.

4. The point at which an athlete's body can no longer perform.

The marathon runner pushed past her endurance limit in the final mile.