[ RACE.2026 ] 🇦🇷 Buenos Aires, Argentina
Buenos Aires International Marathon Training Plan
20 September 2026
Buenos Aires is the fast one of South America: an ultra-flat loop from the edge of the Palermo parks through Recoleta and the city's monuments, run in the southern-hemisphere spring.
What the course is actually like
The race starts and finishes on Avenida Figueroa Alcorta by the Bosques de Palermo and loops through the city - the Palermo parklands, Recoleta, and a monument run past the Obelisco and the government quarter - on avenues wide enough to swallow the field. The profile is about as flat as city marathons get, with only isolated gentle inclines.
Its reputation as the continent's fastest marathon is earned: broad, straight, sea-level roads that let you set a rhythm and keep it. For South American runners chasing qualifying times it is the natural target; for visitors it is a PB course with a capital city attached.
How to train for it
Flat-course training, southern calendar: the September date means a winter build for locals and, for northern-hemisphere visitors, a marathon at the end of your summer - which makes heat-adapted training legs meeting a cool spring morning, a favourable trade.
The course's width and straightness reward pace-group discipline and punish nothing except optimism. Long goal-pace blocks, practised fuelling at speed, and a deliberately restrained first 10K are the entire tactical manual here; the course contributes no complications of its own.
Weather and what to expect on the day
September in Buenos Aires is early spring: typically cool mornings warming to mild, with the kind of conditions that let trained runners hit their numbers. As with any single-date race, warm or windy editions happen - but the seasonal odds are good.
The city brings real energy to the day, and the parklands start keeps logistics calmer than a downtown gun. If your goal is a time, treat Buenos Aires the way you would treat Valencia or Rotterdam: trust the course, hold the plan, and let the flatness do its work.
Which distance are you running?
Official site: www.aims-worldrunning.org/races/872.html
// SAMPLE BUILD
What a 12-week Marathon build looks like
A typical outline for Buenos Aires International Marathon. Your actual plan is built around your level, schedule and goal time - this shows the shape of the training.
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