RunThrough Ultra Trail Girona vs Zegama-Aizkorri
RunThrough Ultra Trail Girona (103km, 2881m D+) vs Zegama-Aizkorri (42km, 2736m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced
ElitePhysical profile
| RunThrough Ultra Trail Girona | Zegama-Aizkorri | |
|---|---|---|
| Date | 23 May 2026 | 24 May 2026 |
| Terrain | Trail | Skyrunning |
| Difficulty | Advanced | Elite |
| Max elevation gain | 2,881m D+ | 2,736m D+ |
| Max ITRA | — | 3 |
Distances — RunThrough Ultra Trail Girona
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Ultra 103K | 103 | 2,881 | 24h |
| Trail 50K | 50 | 1,129 | 14h |
| Trail 26K | 26 | 454 | 8h |
Distances — Zegama-Aizkorri
| Name | Km | D+ | ITRA | Max Time |
|---|---|---|---|---|
| Maratón Zegama-Aizkorri 42K | 42 | 2,736 | 3 | 10h |
| Kilómetro Vertical | 4.5 | 1,050 | 1 | 2h |
Logistics & costs
Pack 360 — Services
Registration
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Accommodation
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Gear
RunThrough Ultra Trail Girona
Salomon Speedcross 6Recommended for bothSalomon
Zegama-Aizkorri
Salomon Speedcross 6Recommended for bothSalomon
Nutrition
RunThrough Ultra Trail Girona
Maurten Gel 100Maurten
Precision Fuel & Hydration PH 1500Precision Fuel & Hydration
Zegama-Aizkorri
Bocadillo de Guayaba Gourmet LatinoGourmet Latino
Transport
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Car Rental
RunThrough Ultra Trail Girona
Recommended for both
Zegama-Aizkorri

Recommended for both
Insurance
RunThrough Ultra Trail Girona
No recommendations
Zegama-Aizkorri
No recommendations
Body Care
RunThrough Ultra Trail Girona
BodyGlide Original Anti-Chafe BalmBodyGlide

Zegama-Aizkorri
No recommendations
Sun Protection
RunThrough Ultra Trail Girona
Zegama-Aizkorri
No recommendations
Terrain and elevation
RunThrough Ultra Trail Girona is classified as Trail, while Zegama-Aizkorri is Skyrunning — different technical demands on paper. On its longest distance, Zegama-Aizkorri climbs around 65m per km versus 28m/km on the other race — the higher that ratio, the steeper and more technical the climbs tend to be.
Location and travel
RunThrough Ultra Trail Girona (Catalonia) and Zegama-Aizkorri (Basque Country) sit roughly 434km apart — worth factoring into travel plans if you're weighing both for the same season.
Entry price
Zegama-Aizkorri is the cheaper entry, starting from €25 versus €35 for RunThrough Ultra Trail Girona — a €10 gap on the entry-level distance.
Time of year
Both races take place in May, so you'll have to pick one per season. RunThrough Ultra Trail Girona falls right in its region's recommended window. Zegama-Aizkorri falls right in its region's recommended window.
Mandatory gear
The two mandatory gear lists don't overlap at all. RunThrough Ultra Trail Girona additionally requires frontal, silbato, telefono and 1 more; Zegama-Aizkorri additionally requires cortavientos.
Summary
If you're looking for a longer distance, RunThrough Ultra Trail Girona is the choice. If you prefer a shorter and more accessible race, consider Zegama-Aizkorri. In terms of elevation gain, RunThrough Ultra Trail Girona 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, RunThrough Ultra Trail Girona or Zegama-Aizkorri?
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
