The Kosmos 3-in-1 at Lake Umuzi, Secunda, has a marathon, a half marathon and a 10km on one day. Each can be entered on its own. The next edition is Saturday 13 March 2027.
Download Dangelo, pick Kosmos 3-in-1 from the race list, and get a structured plan built around race day, with pace targets from your own running and workouts synced to Garmin, Coros, Apple Watch, Apple Health and Health Connect.
Already have Dangelo? Add this race in the app →
16 weeks
Start by Monday 23 November 2026 for the full build to race day.
Browse marathon training plans
Start this plan in the app →12 weeks
Start by Monday 21 December 2026 for the full build to race day.
Browse half marathon training plans
Finish-focused half marathon plan
First half marathon? Start here
Start this plan in the app →8 weeks
Start by Monday 18 January 2027 for the full build to race day.
Start this plan in the app →Starting later than that? Dangelo shortens the build to fit the time you have left, and you'll still get a structured, achievable plan for Kosmos 3-in-1.
Have a finish time in mind for Kosmos 3-in-1? Open the plan for your goal.
Every week counts back from 13 March, so base, build, peak and taper land exactly where they should.
Dangelo reads your recent training from Garmin and Coros and sets workout paces you can actually hold, then adapts them as you get fitter.
Racing more than once? Add every event and the Race Calendar builds one connected plan that bridges the gaps between them.