In the Endurance Analytics catalog · 701 races in the sample · 2026 · Whole world · 10–∞ km
| # | Race | Gain per kilometre, m/km ↓ |
|---|---|---|
| 1 | Summit CourseFuji Mountain RaceJPN · 2026 · 20.0 km | 147 |
| 2 | Grandeur West Face ×9Grandeur NeverestUSA · 2026 · 64.7 km | 141 |
| 3 | High ChallengeAbsolute Biokovo ChallengeCRO · 2026 · 13.5 km | 121 |
| 4 | Ueda SkyraceUeda SkyraceJPN · 2026 · 25.4 km | 118 |
| 5 | Pikes Peak AscentPikes Peak Ascent and MarathonUSA · 2026 · 21.3 km | 111 |
| 6 | Mount Kinabalu International ClimbathonMount Kinabalu International ClimbathonMAS · 2026 · 23.9 km | 111 |
| 7 | Sky ChallengeAbsolute Biokovo ChallengeCRO · 2026 · 26.7 km | 110 |
| 8 | Skyrun du Grand MontSkyrun du Grand MontFRA · 2026 · 22.9 km | 100declared |
| 9 | Extreme ChallengeAbsolute Biokovo ChallengeCRO · 2026 · 44.2 km | 100 |
| 10 | 5th Station CourseFuji Mountain RaceJPN · 2026 · 14.8 km | 99 |
| 11 | Ibarra SkyraceIbarra SkyraceECU · 2026 · 16.3 km | 99 |
| 12 | ZacUp SkyRace del GrignoneZacUp SkyRace del GrignoneITA · 2026 · 26.1 km | 98 |
| 13 | Andes Mountain SkyraceAndes Mountain SkyraceCHI · 2026 · 34.0 km | 96declared |
| 14 | Titov Vrv SkyRaceTitov Vrv SkyRaceMKD · 2026 · 20.0 km | 95declared |
| 15 | TGS ExtremeTrail Grigne SudITA · 2026 · 40.4 km | 95 |
| 16 | Sky (Youth A & B)Youth Skyrunning World ChampionshipsCRO · 2026 · 12.5 km | 92declared |
| 17 | TGS SprintTrail Grigne SudITA · 2026 · 21.8 km | 89 |
| 18 | Matterhorn Ultraks ExtremeMatterhorn UltraksSUI · 2026 · 15.6 km | 89 |
| 19 | Maga SkymarathonMaga SkymarathonITA · 2026 · 36.2 km | 88 |
| 20 | Pisão Extreme L 65K (Masters Skyrunning World Championships SkyUltra)Pisão ExtremePOR · 2026 · 61.7 km | 88 |
| 21 | Half MarathonTransvulcania adidas TERREXESP · 2026 · 25.0 km | 87 |
| 22 | Acantilados del Norte SkyraceAcantilados del NorteESP · 2026 · 27.9 km | 86 |
| 23 | Pisão Extreme M 35KPisão ExtremePOR · 2026 · 37.4 km | 86 |
| 24 | Marató dels Dements (SkyMasters)Marató dels DementsESP · 2026 · 40.4 km | 85 |
| 25 | SKYRACEDurmitorMNE · 2026 · 34.0 km | 85 |
| 26 | Cuatro Refugios SkyrunCuatro RefugiosARG · 2026 · 40.0 km | 84declared |
| 27 | ETCHOKA UTMB Mont-BlancFRA · 2026 · 14.5 km | 83 |
| 28 | YCCHOKA UTMB Mont-BlancFRA · 2026 · 14.7 km | 83 |
| 29 | UTA11HOKA Ultra-Trail Australia by UTMBAUS · 2026 · 11.3 km | 83 |
| 30shared | 28K World Series MenMuju Trail Grand FinaleKOR · 2026 · 28.2 km | 82 |
| 30shared | 28K World Series WomenMuju Trail Grand FinaleKOR · 2026 · 28.2 km | 82 |
| 32 | Mitja Marató dels Dements d'AínMarató dels DementsESP · 2026 · 23.0 km | 82 |
| 33 | SkySkyrunning World ChampionshipsESP · 2026 · 29.4 km | 81 |
| 34 | Olympus Ultra 71KOlympus MarathonGRE · 2026 · 70.1 km | 81 |
| 35 | The Rut Mountain Runs 28kThe Rut Mountain RunsUSA · 2026 · 27.8 km | 81 |
| 36 | Monte Rosa TrailMonte Rosa WalserWaeg by UTMBITA · 2026 · 79.7 km | 80 |
| 37 | TUX070Mayrhofen Ultraks ZillertalAUT · 2026 · 67.1 km | 80 |
| 38 | MSA Classic Up & DownDéfi des Couleurs SimardCAN · 2026 · 15.1 km | 80 |
| 39 | Olympus Marathon 44KOlympus MarathonGRE · 2026 · 42.3 km | 79 |
| 40 | Čaven TrailČaven RunSLO · 2026 · 16.3 km | 79 |
| 41 | Minotaur SkyRaceMinotaur SkyRaceCAN · 2026 · 32.7 km | 79 |
| 42 | Sierre-ZinalSierre-ZinalSUI · 2026 · 31.1 km | 79 |
| 43 | Trofeo KimaTrofeo KimaITA · 2026 · 47.3 km | 79 |
| 44 | MIUT LegendMadeira Island Ultra-Trail®POR · 2026 · 88.5 km | 78 |
| 45 | Kackar 20KKaçkar by UTMBTUR · 2026 · 19.8 km | 78 |
| 46 | Sinjal - Utrka na vrh HrvatskeSinjalCRO · 2026 · 17.3 km | 77 |
| 47 | Myoko Trail 23.5KMyoko TrailJPN · 2026 · 24.9 km | 77 |
| 48 | Cordillera Blanca SkyraceCordillera Blanca SkyracePER · 2026 · 24.9 km | 77 |
| 49 | Skyrace Gorges du TarnSkyrace Gorges du TarnFRA · 2026 · 25.4 km | 77 |
| 50 | Walserwaeg TrailMonte Rosa WalserWaeg by UTMBITA · 2026 · 40.0 km | 77 |
