Maratona Internacional de Manaus takes place on Sun, Mar 28, 2027 in Manaus, Brazil. The main route is 42.2 km.
- Date
- Sun, Mar 28, 2027
- Start
- Manaus 🇧🇷
- Distance
- 42.2 km
- Level
- Open to all
Held across two consecutive days in Manaus, this international marathon takes runners through the heart of the Amazon rainforest with courses ranging from 5 km to a full 42 km.
Official event pageWhat this race demands
The Maratona Internacional de Manaus requires runners to complete a full 42.2 km distance through the Amazon rainforest climate.
Aerobic endurance
Covering the full 42.2 km marathon distance demands sustained cardiovascular capacity and structural resilience over several hours of continuous running.
Thermal regulation
Running within the Amazon rainforest environment requires effective management of heat and humidity to sustain output and prevent premature fatigue.
A marathon duration exceeding 2.5 hours requires consistent intake of 60 to 90 grams of carbohydrates per hour to maintain performance and glycogen stores.
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
3:45–4:30
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 Maratona Internacional de Manaus is 31 weeks away. This is how a coach divides that time. The first phase starts now.
01Base19 weeks · Aug 24, 2026 – Jan 3, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Jan 4, 2027 – Feb 14, 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 · Feb 15, 2027 – Mar 7, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Mar 8, 2027 – Mar 21, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Mar 22, 2027 – Mar 28, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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