Buenos Aires Marathon Race Prep

Maratón Internacional de Buenos Aires: a flat loop course in Buenos Aires. Pacing by section, fueling, and race-day tips.

Use TrainPace to plan a simple, repeatable strategy for Buenos Aires Marathon: pacing targets, fueling basics, and course/elevation awareness.

Pace calculator: training zones + race pace
Fuel planner: carbs/hour + gel timing
Elevation analysis: hills, grades, and difficulty

How to prepare for Buenos Aires Marathon

Plan pacing, fueling, and course strategy for Buenos Aires Marathon using free calculators and GPX elevation analysis.

Pick a realistic goal time: Use a recent race result or time trial to set a starting point.
Set training paces: Calculate easy, tempo, threshold, and interval paces for your training block.
Build a fueling plan: Estimate carbs/hour and gel timing that you can practice in long runs.
Review course elevation: Upload a GPX to spot key climbs and decide where to adjust effort.

Maratón Internacional de Buenos Aires course guide

The Buenos Aires Marathon has been held since 1984 and is organised by Asociación Ñandú. The organisers call it the fastest marathon in Latin America. The course starts and finishes in Palermo and passes many of the city's landmarks.

Maratón Internacional de Buenos Aires at a glance
Fact	Value
Location	Buenos Aires, Argentina
Distance	42.195 km (marathon)
Usually held	September
Course	flat, loop
Official site	https://www.maratondebuenosaires.com/

Course highlights

Start and finish at Avenida Figueroa Alcorta and Dorrego, near the Bosques de Palermo
River Plate stadium in the north of the city
Obelisk and Teatro Colón in the city centre
Plaza de Mayo and the Casa Rosada
La Boca and Puerto Madero

Maratón Internacional de Buenos Aires pacing strategy

The course is flat with long straight sections and few turns, so an even pace is realistic. Start at goal pace and avoid going out fast in the cool early morning.

Pacing by course section
Section	Terrain	Advice
km 0–10	Flat, northern leg from Palermo	Settle into goal pace and do not chase the crowd.
km 10–30	Flat city streets through the centre, Plaza de Mayo and La Boca	Keep an even pace; the landmarks and crowds make it easy to speed up by mistake.
km 30–42.2	Flat return towards Palermo	Hold your pace and push in the last 5 km if you feel strong.

Fueling notes

No aid-station list was found in the sources, so check the official race guide. Plan to take gels at regular intervals, for example every 30 to 40 minutes.

Race-day tips

The race starts at 7:00, so plan your journey to Palermo in advance
Pick up your kit at the expo in Parque Sarmiento, which is open on the Friday and Saturday before the race
The Buenos Aires Herald reports live music along the route, so you may not need headphones
Bring a warm layer for the early start; the race starts at 7:00

Frequently asked questions

Is the Buenos Aires Marathon course flat?

Yes. The Buenos Aires Herald calls it a flat course, and the organisers describe it as the fastest marathon in Latin America.

When is the Buenos Aires Marathon held?

It is held in September, on a Sunday. Older sources say October, but recent editions were in September.

Where does the Buenos Aires Marathon start?

It starts and finishes at Avenida Figueroa Alcorta and Dorrego in Palermo, at 7:00 in the morning.

Facts checked 2026-10 against the sources below. Race details change from year to year — confirm with the official site before race day.

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