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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Gran Maratón HERSA Mazatlán
At a glance
- Race day
- The 2026 race
- Start
- 06:056:05 AM
- Distance
- 42.2 km26.2 mi
- Marathon · Half marathon · 10K · 5K
The course
The 25th Gran Maratón HERSA Mazatlán runs on Sunday 6 December 2026, with the marathon gun at 6:05 am on Avenida Leonismo Internacional opposite the Teodoro Mariscal Stadium.
- A 6:05 am marathon gun on Avenida Leonismo InternacionalSunday 6 December 2026, marathon gun 6:05 am, on Avenida Leonismo Internacional.
- Three days of expo, a Saturday evening 5K and 10K and a carb dinnerKits Friday 9:50 to 20:00 or Saturday 8:00 to 16:00; 5K and 10K Saturday at 17:00.
Course notes 2 short reads on the course
Whole courseConditionsA 6:05 am marathon gun on Avenida Leonismo InternacionalSunday 6 December 2026, marathon gun 6:05 am, on Avenida Leonismo Internacional.
The convocatoria gives the marathon gun as 6:05 am and the half marathon as 6:20 am, with the wheelchair, crutch, blind and low-vision half marathon categories at 6:00 am. The start is on Avenida Leonismo Internacional opposite the Teodoro Mariscal Stadium. The organiser describes both distances as certified by World Athletics and the Mexican federation FMAA.
Sourced
Whole courseConditionsThree days of expo, a Saturday evening 5K and 10K and a carb dinnerKits Friday 9:50 to 20:00 or Saturday 8:00 to 16:00; 5K and 10K Saturday at 17:00.
Kits are collected at the sports expo in the parking lot of the Teodoro Mariscal Stadium and are not handed out outside expo hours. On Saturday the 5K and 10K start at 17:00 and a carbohydrate dinner runs from 17:00 to 21:00 on Avenida Leonismo Internacional, with a mascot costume race at 19:30 and a light show at the stadium at 21:00. The organiser says there are no sign-ups on race day and entries cannot be refunded or moved to another event; a change of distance can be requested by email up to a week before.
Sourced
Race weekend
Friday 4 December Expo
-
09:509:50 AM–20:008:00 PM
Sports expo and race kit pickup Parking lot of the Teodoro Mariscal Stadium. Kits are handed out only during the expo hours, and must be collected before the race.
Saturday 5 December Expo
-
08:008:00 AM–16:004:00 PM
Sports expo and race kit pickup Parking lot of the Teodoro Mariscal Stadium -
17:005:00 PM–21:009:00 PM
Carbohydrate dinner Av. Leonismo Internacional -
21:009:00 PM
Light show Estadio Teodoro Mariscal
Other races and side events (2)
-
17:005:00 PM
5K and 10K start Av. Leonismo Internacional -
19:307:30 PM
Mascot costume race Av. Leonismo Internacional
Sunday 6 December Race day
-
06:056:05 AM
Marathon start Av. Leonismo Internacional, opposite the Teodoro Mariscal Stadium. The convocatoria gives the marathon gun as 6:05 am; the 21K follows at 6:20 am, with wheelchair, crutch, blind and low-vision 21K categories going at 6:00 am.
Times as published by the organiser, in Mazatlán time, checked . Confirm on their site before you travel.
The forecast for Sunday
Race morning, on the record
Add to calendar .ics file, times in Mazatlán time
Entry
Race fuel
Energy gel
5 gels for Mazatlán, plus 1 spare
Finish
One every 40 minutes, by the clock:
Under about 75 minutes most runners need no gel: water at the aid stations does it.
- km 7mile 4.4
- km 14.1mile 8.7
- km 21.1mile 13.1
- km 28.1mile 17.5
- km 35.2mile 21.8
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.
Order by 15 November to test them on two long runs first.
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, 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.
Get it on Amazon
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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.
Get it on Amazon
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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.
Get it on Amazon
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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.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
Keep exploring
More races to look at after the Gran Maratón HERSA Mazatlán.
