Half is the 21.0km road ultra at Two oceans Marathon 2025 (South Africa). The race starts on April 11, 2026.
By gradient, 20% of the distance is uphill, 25% downhill and 54% flat. Surface: 98% road. Flat-equivalent effort: 21.6 FlatKM.
The course is runnable enough that trekking poles are not needed.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
On race day, start temperatures have historically ranged from 17°C to 24°C, with around 21°C at the highest point; the chance of precipitation is about 24%.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Half.
