Next race
Sunday, 6 June 2027
8:00 am start
Distance
42.195 km / 26.2 mi
Riverside urban road
Elevation
Flat · 50 m gain
50 m climbing
Race profile
The Maraton de Rosario draws approximately 2,500 finishers each June on a riverside urban road in Rosario, Argentina. It is Rosario's flagship marathon and centers the course on the Monumento a la Bandera and Paraná waterfront. The route passes the National Flag Memorial area, long river boulevards, and flat avenues through the city. The course is very flat throughout.
Maraton de Rosario is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
Approximately 2,500 finishers
Course & terrain
Starts and finishes on Rosario's Parana riverfront. The route passes the National Flag Memorial area, long river boulevards, and flat avenues through the city. Very flat throughout. Very flat throughout.
The Maraton de Rosario course is flat over 42.195 km (26.2 miles). Runners cover 50 metres of climbing and 50 metres of descent, with minimal net elevation change from start to finish.
Registration
The Maraton de Rosario accepts open registration through 42krosario.com.ar with no lottery or qualifying standard. Sign-up for the June race typically opens a few months beforehand. International runners apply through the same online portal as local club runners.
Getting there
Rosario Islas Malvinas International Airport (ROS)
14 km / 9 mi
Common questions
Official resources
Last updated 11 October 2026. Edition dates and course details are reviewed regularly.
Close to this race
Other races closest to Rosario.
The Buenos Aires Marathon draws approximately 9,000 finishers on an urban road in Buenos Aires, Argentina. The course starts and finishes at Av. Figueroa Alcorta y Dorrego. The route passes La Boca, Puerto Madero, Palermo, and the Recoleta district, including the Obelisco. Mostly flat through the wide avenues of the capital.
Next race: Sunday, 19 September 2027
The Maratón de Montevideo is Uruguay's largest marathon, drawing about 4,000 finishers each September along the Río de la Plata waterfront. The course passes the Rambla of Montevideo, the Ciudad Vieja, and the Punta Carretas district on flat coastal terrain. September spring weather in the Southern Hemisphere makes it South America's charming Atlantic capital marathon.
Next race: Sunday, 5 September 2027
The Maraton de Mar del Plata draws approximately 2,000 finishers each April on a scenic coastal road in Mar del Plata, Argentina. Its Argentine autumn date and dramatic coastline are the race's big draw. The route passes Atlantic cliffs, beachfront boulevards, and resort-city roads beside the ocean. Rolling terrain with moderate climbs shapes the middle miles.
Next race: Sunday, 4 April 2027
The Porto Alegre Marathon draws approximately 1,800 finishers on an urban road in Porto Alegre, Brazil. The course starts and finishes at the Gasômetro plant on the waterfront. The route follows the Guaíba lake shore and passes the Redenção Park. Mostly flat along the lakeside.
Next race: Sunday, 13 June 2027
Planning guides
Practical guides to help you plan, train for, and run this race.
When a flat course helps your time, when hills are worth the view, and how to pick terrain that fits your training and goals.
How temperature, humidity, wind, and rain affect marathon performance — and how to use typical race-day weather when choosing a start line.
Match a race to your goals — personal bests, sightseeing, atmosphere, or a major milestone — using course data and realistic expectations.
