Planning math only
This calculator provides arithmetic based on the values entered. It is not coaching, medical advice, safety guidance, nutrition advice, or a guarantee that a runner can achieve the displayed pace or time.
Official information controls
Courses, station locations, rules, and cutoff times can change. Confirm every value with the current materials supplied by the race organizer. When an official rule conflicts with this calculator or a printed card, the official rule controls.
Conditions change the plan
Weather, terrain, elevation, navigation, congestion, equipment issues, injury, and fatigue can materially change arrival times. Build an appropriate margin and make race-day decisions using current conditions and qualified guidance where needed.