In the Endurance Analytics catalog · 701 races in the sample · 2026 · Whole world · 10–∞ km
| # | Race | Gain per kilometre, m/km ↓ |
|---|---|---|
| 551 | 16.7kmBukovački maratonSRB · 2026 · 16.2 km | 32 |
| 552 | Mala stazaKup Fruške GoreSRB · 2026 · 15.7 km | 32 |
| 553 | 64kmObala Ultra TrailSLO · 2026 · 63.8 km | 32 |
| 554 | Cocodona Cocodona 250CocodonaUSA · 2026 · 408.0 km | 32declared |
| 555 | 32 km TrailDéfi des Couleurs SimardCAN · 2026 · 32.4 km | 31 |
| 556 | Dragon's TailDragon's Back RaceGBR · 2026 · 139.2 km | 31 |
| 557 | Canyons 50KCanyons Endurance Runs by UTMBUSA · 2026 · 49.9 km | 31 |
| 558 | SDR36Ultra-Trail DrakensbergRSA · 2026 · 34.1 km | 31 |
| 559 | Rothrock 50KRothrock by UTMBUSA · 2026 · 52.9 km | 31 |
| 560 | GCU65Ultra-Trail DrakensbergRSA · 2026 · 61.2 km | 31 |
| 561 | Azbuka trailAzbuka trailSRB · 2026 · 16.8 km | 31 |
| 562 | GXA14Ultra-Trail DrakensbergRSA · 2026 · 14.3 km | 31 |
| 563 | 35.6kmBukovački maratonSRB · 2026 · 35.6 km | 31declared |
| 564 | mozart Marathonmozart 100 by UTMBAUT · 2026 · 43.6 km | 30 |
| 565 | Kepler ChallengeKepler ChallengeNZL · 2026 · 59.2 km | 30 |
| 566 | Full Marathon 42KEverest MarathonNEP · 2026 · 40.4 km | 30 |
| 567 | 31.7kmKočevsko Outdoor FestivalSLO · 2026 · 32.1 km | 30 |
| 568 | MarathonMoab Trail MarathonUSA · 2026 · 41.4 km | 30 |
| 569 | KosciMilerUltra-Trail Kosciuszko by UTMBAUS · 2026 · 159.1 km | 30 |
| 570 | FUNNY 10KJulian Alps Trail Run by UTMBSLO · 2026 · 11.1 km | 30 |
| 571 | Grindstone 100KGrindstone Trail Running Festival by UTMBUSA · 2026 · 104.7 km | 30 |
| 572 | Forest YellowDugi Otok TrailCRO · 2026 · 19.0 km | 30 |
| 573 | Bishop High SierraBishop High SierraUSA · 2026 · 100.0 km | 29declared |
| 574 | Night ChallengeNight Challenge Fruška GoraSRB · 2026 · 11.0 km | 29declared |
| 575 | ISKRA 11KISKRA Trail KošutnjakSRB · 2026 · 10.8 km | 29 |
| 576 | Snowbasin 58KSnowbasin by UTMBUSA · 2026 · 58.3 km | 29 |
| 577 | Laugavegur Ultra MarathonLaugavegur Ultra MarathonISL · 2026 · 52.2 km | 29 |
| 578 | Mont-Blanc 10KMont-Blanc MarathonFRA · 2026 · 10.0 km | 29 |
| 579 | Run Rabbit Run 100 MileRun Rabbit RunUSA · 2026 · 162.2 km | 29 |
| 580 | Canyons 25KCanyons Endurance Runs by UTMBUSA · 2026 · 24.8 km | 29 |
| 581 | MY13Malaysia Ultra-Trail by UTMBMAS · 2026 · 13.8 km | 29 |
| 582 | Flower 20KAmazean Jungle Trail by UTMBINA · 2026 · 16.6 km | 29 |
| 583 | Kosci100Ultra-Trail Kosciuszko by UTMBAUS · 2026 · 104.7 km | 29 |
| 584 | Island RedDugi Otok TrailCRO · 2026 · 37.0 km | 28 |
| 585 | Kodiak 100KHOKA Kodiak Ultra Marathons by UTMBUSA · 2026 · 100.2 km | 28 |
| 586 | Pacific Trails 50KHOKA Pacific Trails California by UTMBUSA · 2026 · 51.6 km | 28 |
| 587 | Red RaceDivča Winter TrailSRB · 2026 · 15.0 km | 28 |
| 588 | ULTRA Trail 2 daysIvanjica TrailSRB · 2026 · 67.1 km | 28 |
| 589 | Kodiak 100MHOKA Kodiak Ultra Marathons by UTMBUSA · 2026 · 160.1 km | 28 |
| 590 | Run Rabbit Run 50 MileRun Rabbit RunUSA · 2026 · 80.0 km | 28 |
| 591 | Kodiak 21KHOKA Kodiak Ultra Marathons by UTMBUSA · 2026 · 21.5 km | 28 |
| 592 | MIUT MarathonMadeira Island Ultra-Trail®POR · 2026 · 39.9 km | 28 |
| 593 | Three LakesDurmitor TrailMNE · 2026 · 11.1 km | 28 |
| 594 | 13.7kmSerbia EPIC Fruška Gora TrailSRB · 2026 · 13.7 km | 28 |
| 595 | Ultra Scotland 50Ultra ScotlandGBR · 2026 · 88.0 km | 28declared |
| 596 | Ultra Scotland 100Ultra ScotlandGBR · 2026 · 167.0 km | 28declared |
| 597 | Grindstone 50KGrindstone Trail Running Festival by UTMBUSA · 2026 · 51.9 km | 27 |
| 598 | 35kmObala Ultra TrailSLO · 2026 · 35.9 km | 27 |
| 599 | Kosci50Ultra-Trail Kosciuszko by UTMBAUS · 2026 · 49.8 km | 27 |
| 600 | Arc 12Arc of Attrition by UTMBGBR · 2026 · 24.1 km | 27 |
