My marathons

Patagonia Run

April, day not yet published San Martín de los Andes
San Martín de los Andes
San Martín de los Andes. Photograph by No machine-readable author provided. Albasmalko assumed (based on copyright claims)., Public domain via Wikimedia Commons

The course

The organiser describes the 42k as a mountain marathon with 2,403 m of climbing, starting at the Regimiento de Caballería de Exploración de Montaña 4 on Thursday 8 April 2027.

The course in short 3 lines
  • A marathon in the mountains2,403 m of climbing, a start on Thursday 8 April 2027.
  • Five days of races in the Lanín National Park21k Wed, 42k and 12k Thu, 100 Mi and 110k Fri, 70k Sat.
  • Eighteen or older for the 42k18 or older for the 42k; the 21k opens at 17.
Course notes 3 short reads on the course
Whole courseGradientA marathon in the mountains2,403 m of climbing, a start on Thursday 8 April 2027.

The 2027 circuit follows the 2026 edition. A second organiser figure puts the 42k at about 2,530 m of climbing.

Sourced

Whole courseCrowdFive days of races in the Lanín National Park21k Wed, 42k and 12k Thu, 100 Mi and 110k Fri, 70k Sat.

The organiser says the races run inside the Lanín National Park and on the hills and trails around San Martín de los Andes. The 10k and 21k have climbs of about 600 m and 1,400 m, the 70k about 4,300 m, the 110k about 6,020 m and the 100 Mi (160 km) about 9,230 m.

Sourced

Whole courseTacticsEighteen or older for the 42k18 or older for the 42k; the 21k opens at 17.

Runners who have completed 17 years by 7 April 2027 may enter the 21k, and those with 14 years completed by 8 April 2027 the 12k. The organiser allows a few younger exceptions on the shorter distances under a strict protocol.

Sourced

Race fuel

Energy gel
An energy gel sachet
Illustration · drag to turn

5 gels for San Martín de los Andes, 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.

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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.

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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

Trip

Getting a place

Entry through the organiser

Entry details on the organiser’s site →

The organiser, a third party. We take no entries and have no part in the race.

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