La Osera vs Marató dels Dements
La Osera (45km, 2300m D+) vs Marató dels Dements (42.5km, 3808m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced 
Advanced Physical profile
| La Osera | Marató dels Dements | |
|---|---|---|
| Date | 16 May 2026 | 8 November 2025 |
| Terrain | Mountain | Mountain |
| Difficulty | Advanced | Advanced |
| Max elevation gain | 2,300m D+ | 3,808m D+ |
Distances — La Osera
| Name | Km | D+ |
|---|---|---|
| Marathon 45K | 45 | 2,300 |
| Half Marathon 25K | 25 | 1,300 |
| Sprint Trail 12K | 12 | 600 |
| Hiking 12K | 12 | 600 |
Distances — Marató dels Dements
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Marató | 42.5 | 3,808 | 11h |
| Mitja | 22.5 | 2,007 | 5h 30min |
Logistics & costs
| La Osera | Marató dels Dements | |
|---|---|---|
| Location | Paterna del Madera, Albacete, Castile-La Mancha | Eslida, Valencian Community |
| Distance between venues | 227 km | |
| Registration opens | — | — |
| Registration closes | — | — |
| Mandatory Gear | 0 mandatory items | 7 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
La Osera
No recommendations
Marató dels Dements
No recommendations
Accommodation
La Osera
No recommendations
Marató dels Dements
No recommendations
Gear
La Osera
-
Salomon Speedcross 6Recommended for bothSalomon
Marató dels Dements
- Salomon Speedcross 6Recommended for both
Salomon
Nutrition
La Osera
-
Maurten Gel 100Maurten
-
Bocadillo de Guayaba Gourmet LatinoRecommended for bothGourmet Latino
Marató dels Dements
- Bocadillo de Guayaba Gourmet LatinoRecommended for both
Gourmet Latino
Transport
La Osera
No recommendations
Marató dels Dements
No recommendations
Car Rental
La Osera
-
Recommended for both -
Recommended for both
Marató dels Dements
- Recommended for both
- Recommended for both
Insurance
La Osera
No recommendations
Marató dels Dements
No recommendations
Body Care
La Osera
-
After Bite Xtra GelAfter Bite
Marató dels Dements
No recommendations
Sun Protection
La Osera
-
Recommended for both -
Recommended for both
Marató dels Dements
- Recommended for both
- Recommended for both
Summary
If you're looking for a longer distance, La Osera is the choice. If you prefer a shorter and more accessible race, consider Marató dels Dements. In terms of elevation gain, Marató dels Dements is the more demanding option. Both races offer a complete Pack 360 with everything you need for race day.
Frequently asked questions
Which is harder, La Osera or Marató dels Dements?
When does each race take place?
How many distances does each race offer?
What type of terrain does each race have?
Do I need the same mandatory gear for both?
Plan your race
Compare Spain's best trail running races side by side. Analyze distances, elevation, registration prices, mandatory gear and the complete Pack 360 to make the best decision.