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Running Yamanashi Prefecture? Order your gels by 22 November to test them on two long runs. Get them on Amazon Amazon partner link
The Mount Fuji Marathon is a hilly course of 42.2 km with 201.2 m of climbing. Its lowest point is 834 m and its highest 922 m above sea level. Next race: Sunday 13 December 2026, starting at 09:00.
The course stays between 834 m and 922 m above sea level, climbs 201.2 m in the full marathon, and its high point comes at 30.2 km after a climb that starts near 20 km.
© OpenStreetMap contributors
km 12.6mile 7.8
The organiser's first cut-off gate stands just before the Kawaguchiko Bridge, at about 12.1 km.
Photo: Guilhem Vellut from Annecy, France, CC BY 2.0
Height drawn many times taller than life · GEDTM30
Dashed: bridge upright dashes: cut-offs
Your 5 gels, at the orange marksFor a 4:00 finish, one every 40 minutes
Get them on AmazonAmazon partner link
The start is already high, at about 839 m, and the first 20 km stay between about 835 m and 868 m along Lake Kawaguchi: the road is at 836 m at km 10 and 837 m at km 20. Then it climbs, to about 907 m at km 25 and 922 m at km 30, the highest point of the course at 30.2 km. The descent is as long: 862 m at km 35, 838 m at km 37.7 and 835 m at km 40, then a level finish at 839 m.
In all the marathon climbs 201.2 m, which a watch on the day will count differently. The organiser sets six cut-off gates, the fourth at 30.3 km, close to the high point.
Measured
On Sunday 13 December 2026 the marathon starts at 9:00 and runners have 6 hours, counted from the gun, so the finish closes at 15:00. The six gates are in front of the Kawaguchiko Bridge (12.1 km, 10:57), the Terasaki fishing cooperative car park (20.5 km, 12:03), in front of Saiko Gyomin-so (27.3 km, 13:00), in front of Saiko Community Hall (30.3 km, 13:24), the Ashiwada branch office (35.1 km, 14:03) and the Katsuyama roadside station (37.7 km, 14:24). The start and the finish are both at the Funatsuhama Hirahama car park in Fujikawaguchiko, on a course certified by the Japan Association of Athletics Federations.
Sourced
The organiser’s home page says the 15th Mount Fuji Marathon is held on 12 and 13 December 2026 in Fujikawaguchiko, Yamanashi. Saturday has the new Fuji View Run (4 km and 8 km) and Fuji View Walk. Sunday has the full marathon, a marathon with a finish-support programme, the 17 km run around Lake Kawaguchi and the 10.5 km charity fun run. The organiser reports that general entry in all full marathon categories for international residents sold out.
Sourced
7 Dec 2026
12:0012:00 PM–19:007:00 PM
Bib in hand?A number belt holds it without pins through your race top. Clip it on tonight.
Number belt on AmazonAmazon partner link
07:007:00 AM–08:008:00 AM
09:009:00 AM
15:003:00 PM
10:5710:57 AM
12:0312:03 PM
13:001:00 PM
13:241:24 PM
14:032:03 PM
14:242:24 PM
Times as published by the organiser, in Yamanashi Prefecture time, checked . Confirm on their site before you travel.
The forecast for Sunday
Add to calendar .ics file, times in Yamanashi Prefecture time
Entry through the organiser
The organiser, a third party. We take no entries and have no part in the race.
Race fuel
One every 40 minutes, the orange marks on the profile, by the clock:
Under about 75 minutes most runners need no gel: water at the aid stations does it.
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 22 November to test them on two long runs first.
We earn a small fee if you buy through these links. The price is the same.
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.
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.
We earn a small fee if you buy through these links. The price is the same.
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.
We earn a small fee if you buy through these links. The price is the same.
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.
We earn a small fee if you buy through these links. The price is the same.
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.
We earn a small fee if you buy through these links. The price is the same.
More races to look at after the Mount Fuji Marathon.