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Marathons in South America

Browse marathon races in South America with athlete-first guides, sources, and planning tools.

Updated and verified Oct 14, 2026

Race directory

Find your next start line

Search by race or place, then narrow by month, surface, or course profile.

Showing 19 of 19 races.

Filters

October 2026

  • Ultra BM Marathon
    17 October 2026 • São Paulo, Brazil • mixed • flat • Verified 2026-04-04

November 2026

December 2026

March 2027

  • Maratón de La Paz
    14 March 2027 • La Paz, Bolivia • road • hilly • Verified 2026-07-15

April 2027

May 2027

Browse all remaining races (11)

June 2027

Date to be confirmed

Featured races

Find a race worth training for

Compare the date, place, surface, and course profile before opening the full race guide.

Search all 19 races

Explore by place

Narrow the directory

From search to start line

Choose, train, and prepare

Use only what you need next: a selection guide, a realistic plan, or one race-day calculator.

How to use this race directory

2027 calendar

This directory currently links 19 race guides, including 5 with a listed 2027 date. Compare verified dates across sports in the 2027 race calendar. Dates marked to be confirmed remain unverified; they are not announcements.

Marathon races in South America

Use this hub to shortlist a region, then open a country hub for the full directory. We keep these pages curated so you can browse quickly — and we show sources + verification timestamps where possible.

How to use this hub

  • Choose 1–2 countries where travel and logistics are realistic.
  • Open an event guide, verify time-sensitive details on the official site, and pick a plan length you can execute.
  • Practice fueling and pacing early so race week stays calm.

Training guardrails

  • Keep easy runs truly easy so workouts stay high quality.
  • Progress one variable at a time (volume first, then intensity).
  • Use cutback weeks every 3–4 weeks to absorb training.
  • If pain changes your gait, scale back and get assessed.

How to use this guide

Treat this page as a decision checklist:

  1. Confirm the race date and official logistics.
  2. Choose a realistic training plan length (16–24 weeks is common).
  3. Practice fueling and pacing in long runs.
  4. Keep race week simple: tested shoes, tested gels, conservative start.

Verification reminder

Race details change between editions (dates move, routes get rerouted, and registration rules update). Use this page as a starting point, then confirm time-sensitive details on the official site close to race day.

Training guardrails

  • Keep easy runs truly easy so workouts stay high quality.
  • Progress one variable at a time (volume first, then intensity).
  • Use cutback weeks every 3–4 weeks to absorb training.
  • If pain changes your gait, scale back and get assessed.

Adaptive AI coach for iPhone

Meet your adaptive AI coach.

Tell your coach what you are training for. It builds the plan, follows the work you complete, and adapts upcoming training when recovery, your schedule, or real life changes.

FAQs

Where can I compare the 2027 race dates?

The 2027 race calendar groups verified dates by month and sport. This directory links 19 race guides; 5 currently list a 2027 date. Confirm dates and availability with the organizer.

Why doesn’t this directory have tons of filters?

Because the fastest way to pick a race is usually a short, curated list — not a maze of filters. Open an event guide to see the details that change training and race-week decisions.

Where do the facts come from?

We store sources for each event and show a last-verified timestamp. If we can’t verify a time-sensitive fact, we mark it as unknown.

How should I pick a race date?

Choose a date you can realistically build toward, then train backward with a plan length that matches your base and recovery.

Keep going

Sources