Formentera Trail 21.1
El Pilar de la Mola, Spain · Sunday 6 June 2027
A Mediterranean paradise for trail runners, the Formentera Trail 21.1 takes place on the smallest of Spain’s Balearic Islands, offering an unforgettable off-road experience. The course follows dusty coastal paths, rocky trails, and rugged cliffs, with stunning panoramic views of the turquoise sea. While the race features challenging inclines and technical terrain, the breathtaking scenery and refreshing ocean breeze make every mile worth the effort.
Difficulty Calculator
h
:m
:s
Adjusted Time
5:01:01
Time difference: +61.0 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain380m
Elevation High184m
Elevation Low9m
Weather Forecast
High31°C
Low16°C
Chance of Rain0%
How hard is Formentera Trail 21.1?
Very Difficultharder than 96% of marathons
Flattest / easiestHardest
On our difficulty model, Formentera Trail 21.1 plays about 57 minutes slower than an average road marathon for a 3:30 runner. It ranks #45 hardest of 1150 marathons we analyse, and #1 of 20 in Spain. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Formentera Trail 21.1?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Formentera Trail 21.1 | Difference |
|---|---|---|
| 3:00:00 | 3:43:50 | +43:50 |
| 3:30:00 | 4:22:19 | +52:19 |
| 4:00:00 | 5:01:01 | +1:01:01 |
| 4:30:00 | 5:39:57 | +1:09:57 |
| 5:00:00 | 6:19:09 | +1:19:09 |
| 5:30:00 | 6:58:38 | +1:28:38 |
| 6:00:00 | 7:38:24 | +1:38:24 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Formentera Trail 21.1 2027 Course Analysis
Formentera Trail 21.1 is a full marathon held in El Pilar de la Mola, Spain. It is scheduled for Sunday 6 June 2027. The course is run on trail surface with 380m of total climbing, with its high point near 184m above sea level. For registration and full race details, visit the official Formentera Trail 21.1 website.
Elevation Profile
This is a hilly course with 380m of total climbing, rising to around 184m above sea level. It pays to train on hills and to pace the climbs conservatively.
Expected Race Day Weather
Based on historical weather data for June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 16°C and 31°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Trail
Formentera Trail 21.1 is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Formentera Trail 21.1 against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Formentera Trail 21.1 fits your goal, these courses play out about the same on our difficulty model.
Other Marathons in Spain
Palma Marathon Mallorca
Palma, Spain
Road329m gainOct 2026
TUI Palma Marathon Mallorca
Mallorca, Spain
Road124m gainOct 2026
Palma Marathon
Palma de Mallorca, Spain
Road237m gainOct 2026
TotalEnergies Bilbao Night Marathon
Bilbao, Spain
Road212m gainNov 2026
Gran Canaria Maspalomas Marathon
Maspalomas, Spain
Road153m gainNov 2026