A flat, fast 20 mile race with guaranteed PB potential.
Download Dangelo, pick The Secret Running Festival 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.
Already have Dangelo? Add this race in the app →
12 weeks
Start by Monday 28 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 →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 The Secret Running Festival.
Every week counts back from 21 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.