My marathons

Maratona Internacional de Foz do Iguaçu

Run on 27 September 2026. Next race: date not out yet. Foz do Iguaçu
Iguazu Falls
Iguazu Falls. Photograph by Mariordo (Mario Roberto Durán Ortiz), CC BY-SA 4.0 via Wikimedia Commons

The course

The 2026 marathon started at the Mirante do Vertedouro inside Itaipu Binacional and finished in the Iguaçu National Park, next to the Belmond Cataratas hotel.

The course in short 2 lines
  • From the Itaipu dam to the Iguaçu FallsStart at the Itaipu spillway lookout, through the town centre, finish beside the Falls.
  • Water every 3 km, then every 2 km from km 32Water stops every 3 km to km 30, every 2 km from km 32, free hotel transport to the start.
Course notes 2 short reads on the course
km 0 to 42.2GeometryFrom the Itaipu dam to the Iguaçu FallsStart at the Itaipu spillway lookout, through the town centre, finish beside the Falls.

The organiser describes the 2026 course as running from the Itaipu Binacional through the commercial centre of Foz do Iguaçu to the Cataratas do Iguaçu. The marathon was run on 27 September 2026, the 16th edition, with the start from 6:00 and a time limit of 6 hours.

Sourced

km 0 to 42.2ConditionsWater every 3 km, then every 2 km from km 32Water stops every 3 km to km 30, every 2 km from km 32, free hotel transport to the start.

The organiser lists the 2026 marathon’s water stops every 3 km up to km 30 and every 2 km from km 32, a baggage store at the entrance of Itaipu Binacional near the start, and free transport from partner hotels to the start on race day. Runners had to finish inside 6 hours to receive the participation medal. A 5K, a 10K and a relay for pairs ran alongside the marathon.

Sourced

Race fuel

Energy gel
An energy gel sachet
Illustration · drag to turn

5 gels for Foz do Iguaçu, plus 1 spare

Finish

One every 40 minutes, by the clock:

  1. km 7mile 4.4
  2. km 14.1mile 8.7
  3. km 21.1mile 13.1
  4. km 28.1mile 17.5
  5. km 35.2mile 21.8

Our pick: SiS BETA Fuel gel, box of 6, strawberry and lime. 40 g of carbohydrate a gel, about twice a usual gel, from two kinds of sugar your body takes up side by side.

Easy to forget on race morning: pack them with your bib the night before.

Get it on Amazon

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In Canada the button opens GU Energy Gel, Salted Caramel, 24-pack, the best seller there.

Outside the Netherlands, Belgium, Germany, Austria and Switzerland, the UK and Ireland, Spain and Portugal, Italy, the rest of the EU and Canada the button opens GU Energy Gel, Chocolate Outrage, 24-pack on Amazon.com, the best seller there.

Anti-chafe
Compeed Anti-blister stick
Photo: Compeed

Compeed

Compeed anti-blister stick, 8 ml

Best selling on Amazon amazon.nl, read 2 Nov

An invisible layer before the start keeps seams, straps and shoes from rubbing skin raw.

Put it on before you leave for the start: heels and toes, inner thighs, under a bra or heart-rate strap.

Try it on a long run first, like everything you use on race day.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.

Number belt
A race number belt
Illustration · drag to turn

Compressport Race Belt

Holds your bib without safety pins through your top, with loops for up to 8 gels.

Clip the bib on the night before, so it goes on with your shorts in the morning.

Keep the number on the front, where officials and photographers can see it.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.

Electrolytes
A tube of electrolyte tablets
Illustration · drag to turn

SiS Hydro electrolyte tablets, tube of 20

One tablet in a bottle puts back some of the salt you sweat out.

One tablet in 500 ml of water in the hour before the start.

Only if you have used them in training: nothing new on race day.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.

Blister plasters
Compeed Blister plasters, medium, 6
Photo: Compeed

Compeed

Compeed blister plasters, medium, 6

Best selling on Amazon amazon.nl, read 2 Nov

One in a pocket cushions a blister if one starts.

Put it on clean, dry skin and leave it until it comes off by itself.

Give a couple to whoever comes to cheer, so they are there at the km you need them.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.
distance
42.2 km26.2 mi
Sources and licence

Last checked.

We take no entries and are not part of the race. Everything above comes from the organiser, on the day named.

Date and entry information from the organiser.

Every source and licence behind them →

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