Running

Den Grønne Halvmarathon

Den Grønne Halvmarathon takes place on Sun, Apr 25, 2027 in Kongens Lyngby, Denmark. The main route is 21.1 km.

AL Sydbank Den Grønne Halvmaraton features a scenic half marathon and 10 km course through green areas and the heart of Kongens Lyngby.

What this race demands

Den Grønne Halvmarathon demands sustained pacing over a 21.1 km distance through the green areas and center of Kongens Lyngby in spring.

Aerobic endurance

Completing the 21.1 km distance requires continuous cardiovascular output and efficient energy utilization for well over an hour.

Pacing discipline

A half marathon distance punishes early surges, requiring athletes to hold a steady, sustainable effort from start to finish.

Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.

Estimated finish

1:45–2:10

Peak-week training

5–7 h/week

A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.

IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal

Race day at Den Grønne Halvmarathon is 35 weeks away. This is how a coach divides that time. The first phase starts now.

01Base23 weeks · Aug 24, 2026 – Jan 31, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Feb 1, 2027 – Mar 14, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Mar 15, 2027 – Apr 4, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Apr 5, 2027 – Apr 18, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Apr 19, 2027 – Apr 25, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.

Organising this race?