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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Porto Half Marathon
The Porto Half Marathon is a course of 21.1 km with 84.9 m of climbing. Its lowest point is 4 m and its highest 22 m above sea level. Next race: Sunday 19 September 2027.
At a glance
- Race day
- The 2027 race
- Distance
- 21.1 km13.1 mi
- Half marathon
- Total climb
- 84.9 m279 ft
- Highest point 18 m59 ft above lowest
The course
Drag along the profileThe 2026 course climbs 84.9 m in total, between a low of 4.4 m at about km 7.0 and a high of 22.3 m at about km 15.2.
Start, finish
© OpenStreetMap contributors
Height drawn many times taller than life · GEDTM30
0 5 10 15 20 km
0 5 10 13.1 mi
Dashed: bridge
Your 2 gels, at the orange marksFor a 1:55 finish, one every 40 minutes
- km 7.3mile 4.6
- km 14.7mile 9.1
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- 85 m of climbing in an 18 m band84.9 m of climbing in a band of 17.9 m, the highest point at about km 15.
- Aid every five kilometresWater at every fifth kilometre, gel at km 10 and 15.
- Start and finish at the old sanatorium in FozStart, finish and bag drop at the old sanatorium in Foz do Douro.
Course notes 3 short reads on the course
km 0 to 21.1Gradient85 m of climbing in an 18 m band84.9 m of climbing in a band of 17.9 m, the highest point at about km 15.
On the 2026 route the road stays between 4.4 m at about km 7.0 and 22.3 m at about km 15.2, a spread of 17.9 m. The total climb adds up to 84.9 m.
Measured
Whole courseTacticsAid every five kilometresWater at every fifth kilometre, gel at km 10 and 15.
The organiser lists water at 5, 10, 15 and 20 km. Bananas were at km 5 and 15, Powerade and a Snupe gel at km 10 and 15, and at the finish water, Super Bock beer, bananas and fruit. Pacers carried flags for 4:00, 4:30, 5:00, 5:30 and 6:00 min/km.
Sourced
Whole courseFinishStart and finish at the old sanatorium in FozStart, finish and bag drop at the old sanatorium in Foz do Douro.
The organiser put the wardrobe in the start and finish area at the Antigo Sanatório de Tuberculosos da Foz do Douro. Runners were told to take metroBus line 1 to Império and run or walk the last 1.7 km to the bag drop beside the start line. After the finish, showers were provided by Clube Fluvial Portuense from 10:15 to 12:30, and medal engraving was on offer at the finish.
Sourced
Entry
The forecast for Sunday
Race morning, on the record
We hold no start time for this race, so the record is read at 09:009:00 AM, local time.
Race fuel
Energy gel
2 gels for Porto, plus 1 spare
Finish
One every 40 minutes, the orange marks on the profile. Porto stays within 18 m59 ft of height, so they go by the clock:
Under about 75 minutes most runners need no gel: water at the aid stations does it.
- km 7.3mile 4.6
- km 14.7mile 9.1
For your long training runs:
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. Enough for race day and two test long runs.
Easy to forget on race morning: pack them with your bib the night before.
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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, 8 ml
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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Number belt
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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Electrolytes
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.
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Blister plasters
Compeed blister plasters, medium, 6
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.
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Keep exploring
More races to look at after the Porto Half Marathon.
