Marine Corps Marathon takes place on Sun, Oct 25, 2026 in Arlington, United States. The main route is 42.2 km.
- Date
- Sun, Oct 25, 2026
- Start
- Arlington 🇺🇸
- Distance
- 42.2 km
- Climbing
- 120 m
- Level
- Open to all
Your 3-week plan to Marine Corps Marathon
The Taper phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
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Recognized for impeccable organization on an iconic course managed by the U.S. Marines in Arlington, VA, and the nation’s capital, the Marine Corps Marathon is the third largest marathon in the United States and does not offer prize money, earning its nickname 'The People’s Marathon.'
What this race demands
The Marine Corps Marathon requires sustained running endurance over a standard 42.2 km distance with minimal elevation change in an autumn climate.
Aerobic Endurance
Covering 42.2 km requires a high level of cardiovascular capacity and muscular stamina to sustain forward motion over several hours.
Impact Durability
The repetitive pounding of a road marathon places significant mechanical stress on the lower limbs, requiring specific structural preparation for late-race fatigue.
A sustained effort of this duration requires regular exogenous carbohydrate intake of 30 to 60 grams per hour to maintain blood glucose and support continuous output.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
3:50–4:35
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Marine Corps Marathon is 3 weeks away. This is how a coach divides that time. The first phase starts now.
01Taper2 weeks · Oct 5, 2026 – Oct 18, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
02Race week1 week · Oct 19, 2026 – Oct 25, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Marine Corps Marathon?
Marine Corps Marathon takes place on Sun, Oct 25, 2026 in Arlington, United States.
How long is Marine Corps Marathon?
The main route is 42.2 km.
What does Marine Corps Marathon demand?
The Marine Corps Marathon requires sustained running endurance over a standard 42.2 km distance with minimal elevation change in an autumn climate.
How much climbing does Marine Corps Marathon have?
Marine Corps Marathon has 120 m of climbing.
Who is Marine Corps Marathon for?
Marine Corps Marathon is open to all participants.
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