In the Endurance Analytics catalog · 23 races in the sample · 2026 · RSA · 10–∞ km
| # | Race | Gain per kilometre, m/km ↓ |
|---|---|---|
| 1 | TM35 Table MountainUltra-Trail Cape TownRSA · 2026 · 34.2 km | 62 |
| 2 | UT100Ultra-Trail Cape TownRSA · 2026 · 97.2 km | 53 |
| 3shared | Otter RaceOtter African Trail RunRSA · 2026 · 39.2 km | 53 |
| 3shared | Otter ChallengeOtter African Trail RunRSA · 2026 · 39.2 km | 53 |
| 5 | EX23 ExplorerUltra-Trail Cape TownRSA · 2026 · 23.1 km | 51 |
| 6 | PT55 Peninsula TraverseUltra-Trail Cape TownRSA · 2026 · 55.2 km | 49 |
| 7 | MUT 60MUT - Mountain Ultra Trail by UTMBRSA · 2026 · 57.2 km | 48 |
| 8 | MUT MarathonMUT - Mountain Ultra Trail by UTMBRSA · 2026 · 42.6 km | 48 |
| 9 | KS16 KickstarterUltra-Trail Cape TownRSA · 2026 · 15.8 km | 48 |
| 10 | UTCT 100 MilerUltra-Trail Cape TownRSA · 2026 · 160.5 km | 45 |
| 11 | MUT MilerMUT - Mountain Ultra Trail by UTMBRSA · 2026 · 164.6 km | 44 |
| 12 | MUT 100MUT - Mountain Ultra Trail by UTMBRSA · 2026 · 99.1 km | 43 |
| 13 | UTD MilerUltra-Trail DrakensbergRSA · 2026 · 162.2 km | 36 |
| 14 | UTD100Ultra-Trail DrakensbergRSA · 2026 · 99.0 km | 33 |
| 15 | MUT ChallengeMUT - Mountain Ultra Trail by UTMBRSA · 2026 · 25.1 km | 33 |
| 16 | DRJ25Ultra-Trail DrakensbergRSA · 2026 · 25.4 km | 32 |
| 17 | SDR36Ultra-Trail DrakensbergRSA · 2026 · 34.1 km | 31 |
| 18 | GCU65Ultra-Trail DrakensbergRSA · 2026 · 61.2 km | 31 |
| 19 | GXA14Ultra-Trail DrakensbergRSA · 2026 · 14.3 km | 31 |
| 20 | MUT LiteMUT - Mountain Ultra Trail by UTMBRSA · 2026 · 11.9 km | 21 |
| 21 | Comrades MarathonComradesRSA · 2026 · 86.2 km | 20 |
| 22 | HalfTwo oceans MarathonRSA · 2026 · 21.2 km | 18 |
| 23 | UltraTwo oceans MarathonRSA · 2026 · 56.1 km | 12 |