Maratón Internacional de Buenos Aires takes place on Sun, Sep 19, 2027 in Buenos Aires, Argentina. The main route is 42 km.
- Date
- Sun, Sep 19, 2027
- Start
- Buenos Aires 🇦🇷
- Distance
- 42 km
- Level
- Open to all
Your 46-week plan to Maratón Internacional de Buenos Aires
The Base 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.
Build my planFree to start · No credit card
The 42K course is a flat, fast urban route through Buenos Aires neighborhoods including Palermo, Recoleta, Puerto Madero and La Boca.
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
3:40–4:25
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 Maratón Internacional de Buenos Aires is 46 weeks away. This is how a coach divides that time. The first phase starts now.
01Base34 weeks · Nov 2, 2026 – Jun 27, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Jun 28, 2027 – Aug 8, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Aug 9, 2027 – Aug 29, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Aug 30, 2027 – Sep 12, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Sep 13, 2027 – Sep 19, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Maratón Internacional de Buenos Aires?
Maratón Internacional de Buenos Aires takes place on Sun, Sep 19, 2027 in Buenos Aires, Argentina.
How long is Maratón Internacional de Buenos Aires?
The main route is 42 km.
Who is Maratón Internacional de Buenos Aires for?
Maratón Internacional de Buenos Aires is open to all participants.
Similar races
Organising this race?