In the Endurance Analytics catalog · 27 races in the sample · 2026 · SLO · 10–∞ km
| # | Race | Gain per kilometre, m/km ↓ |
|---|---|---|
| 1 | Čaven TrailČaven RunSLO · 2026 · 16.3 km | 79 |
| 2 | Čaven 24Čaven RunSLO · 2026 · 24.0 km | 72declared |
| 3 | Triglav Trail RaceTriglav Trail RunSLO · 2026 · 96.5 km | 68 |
| 4 | Triglav Lakes RaceTriglav Trail RunSLO · 2026 · 40.8 km | 65 |
| 5 | Up & DownEuropean Athletics Off-Road Running ChampionshipsSLO · 2026 · 13.0 km | 62 |
| 6 | GO 3VGO4TrailSLO · 2026 · 27.4 km | 60 |
| 7 | GO TRIMGO4TrailSLO · 2026 · 13.5 km | 60 |
| 8 | Trail 25KEuropean Athletics Off-Road Running ChampionshipsSLO · 2026 · 25.4 km | 52 |
| 9 | Sky Trail 50KJulian Alps Trail Run by UTMBSLO · 2026 · 54.0 km | 50 |
| 10 | Trail 52KEuropean Athletics Off-Road Running ChampionshipsSLO · 2026 · 51.8 km | 50 |
| 11 | I Feel Slovenia 120KJulian Alps Trail Run by UTMBSLO · 2026 · 119.8 km | 49 |
| 12 | Lake Bled 80KJulian Alps Trail Run by UTMBSLO · 2026 · 77.7 km | 49 |
| 13 | GO ULTRAGO4TrailSLO · 2026 · 62.8 km | 46 |
| 14 | Kranjska Gora 25KJulian Alps Trail Run by UTMBSLO · 2026 · 24.1 km | 45 |
| 15 | Vrata Valley RaceTriglav Trail RunSLO · 2026 · 26.0 km | 42declared |
| 16 | 108kmObala Ultra TrailSLO · 2026 · 107.2 km | 35 |
| 17 | INTERSPORT SPEED 15KJulian Alps Trail Run by UTMBSLO · 2026 · 17.0 km | 35 |
| 18 | Slovenian Alpine Museum RunTriglav Trail RunSLO · 2026 · 14.0 km | 33declared |
| 19 | 61.5kmKočevsko Outdoor FestivalSLO · 2026 · 61.7 km | 33 |
| 20 | 64kmObala Ultra TrailSLO · 2026 · 63.8 km | 32 |
| 21 | 31.7kmKočevsko Outdoor FestivalSLO · 2026 · 32.1 km | 30 |
| 22 | FUNNY 10KJulian Alps Trail Run by UTMBSLO · 2026 · 11.1 km | 30 |
| 23 | 35kmObala Ultra TrailSLO · 2026 · 35.9 km | 27 |
| 24 | 17kmObala Ultra TrailSLO · 2026 · 16.5 km | 27 |
| 25 | 11kmObala Ultra TrailSLO · 2026 · 10.8 km | 23 |
| 26 | 10kmKočevsko Outdoor FestivalSLO · 2026 · 10.2 km | 21 |
| 27 | 14kmKočevsko Outdoor FestivalSLO · 2026 · 14.0 km | 21 |