Cycling

ZRL 2026/27 Round 4 Race 1 (Zwift)

ZRL R4 R1 is a round of the Zwift Racing League, whose 2026/27 Round 4 runs from 2 March to 6 April 2027.

Your road to race day

Race day at ZRL 2026/27 Round 4 Race 1 (Zwift) is 25 weeks away. This is how a coach divides that time. The first phase starts now.

01Base13 weeks · Sep 16, 2026 – Dec 15, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Dec 16, 2026 – Jan 26, 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 · Jan 27, 2027 – Feb 16, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Feb 17, 2027 – Mar 2, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Mar 3, 2027 – Mar 9, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.

ZRL 2026/27 Round 4 Race 1 (Zwift) is open to all participants.

Organising this race?