La Osera vs Madrid Alpine Marathon
La Osera (45km, 2300m D+) vs Madrid Alpine Marathon (44km, 2500m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced 
Advanced Physical profile
| La Osera | Madrid Alpine Marathon | |
|---|---|---|
| Date | 16 May 2026 | 14 June 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Advanced | Advanced |
| Max elevation gain | 2,300m D+ | 2,500m 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 — Madrid Alpine Marathon
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Alpine Marathon 44K | 44 | 2,500 | 9h |
| Cross Alpino del Telégrafo 19K | 19 | 1,050 | — |
Logistics & costs
| La Osera | Madrid Alpine Marathon | |
|---|---|---|
| Location | Paterna del Madera, Albacete, Castile-La Mancha | Cercedilla, Community of Madrid |
| Distance between venues | 280 km | |
| Registration opens | — | 27 February 2026 |
| Registration closes | — | 5 June 2026 |
| Mandatory Gear | 0 mandatory items | 6 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
La Osera
No recommendations
Madrid Alpine Marathon
No recommendations
Accommodation
La Osera
No recommendations
Madrid Alpine Marathon
No recommendations
Gear
La Osera
-
Salomon Speedcross 6Recommended for bothSalomon
Madrid Alpine Marathon
- Salomon Speedcross 6Recommended for both
Salomon
-
Gore Wear R7 GTX ShakedryGore Wear
-
Buff ThermonetBuff
-
Lifesystems Thermal BlanketLifesystems
-
Salomon Soft Flask 150 mlSalomon
Nutrition
La Osera
-
Maurten Gel 100Maurten
-
Bocadillo de Guayaba Gourmet LatinoRecommended for bothGourmet Latino
Madrid Alpine Marathon
-
226ERS Isotonic Drink226ERS
-
- Bocadillo de Guayaba Gourmet LatinoRecommended for both
Gourmet Latino
Transport
La Osera
No recommendations
Madrid Alpine Marathon
No recommendations
Car Rental
La Osera
-
Recommended for both -
Recommended for both
Madrid Alpine Marathon
- Recommended for both
- Recommended for both
Insurance
La Osera
No recommendations
Madrid Alpine Marathon
No recommendations
Body Care
La Osera
-
After Bite Xtra GelAfter Bite
Madrid Alpine Marathon
-
Julbo AerospeedJulbo
-
Buff CoolNet UV+Buff
Sun Protection
La Osera
-
Recommended for both -
Recommended for both
Madrid Alpine Marathon
- 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 Madrid Alpine Marathon. In terms of elevation gain, Madrid Alpine Marathon 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 Madrid Alpine Marathon?
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.