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Grasshopper Adventure Series – Huffmaster

Grasshopper Adventure Series – Huffmaster takes place on Sun, Feb 28, 2027 in Maxwell, United States. The main route is 143.2 km.

Date
Sun, Feb 28, 2027
Start
Maxwell 🇺🇸
Distance
143.2 km
Level
Open to all
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Your 17-week plan to Grasshopper Adventure Series – Huffmaster

The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.

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Huffmaster is a mixed-terrain ride from the Maxwell Fire Department in Maxwell, California, on rolling gravel and lightly travelled pavement. Courses are 89 miles, 59 miles, or the 49-mile Huffmaster Mini.

What would it take you?

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

Estimated finish

4:30–5:20

Peak-week training

6–8 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

Your road to race day

Race day at Grasshopper Adventure Series – Huffmaster is 17 weeks away. This is how a coach divides that time. The first phase starts now.

  1. 01Base5 weeks · Nov 2, 2026 – Dec 6, 2026

    Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.

  2. 02Build6 weeks · Dec 7, 2026 – Jan 17, 2027

    Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.

  3. 03Peak3 weeks · Jan 18, 2027 – Feb 7, 2027

    The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.

  4. 04Taper2 weeks · Feb 8, 2027 – Feb 21, 2027

    Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.

  5. 05Race week1 week · Feb 22, 2027 – Feb 28, 2027

    Openers, rest and logistics. The work is done; the job now is arriving fresh.

Get this plan built around your own fitness

Frequently asked questions

When is Grasshopper Adventure Series – Huffmaster?

Grasshopper Adventure Series – Huffmaster takes place on Sun, Feb 28, 2027 in Maxwell, United States.

How long is Grasshopper Adventure Series – Huffmaster?

The main route is 143.2 km.

Who is Grasshopper Adventure Series – Huffmaster for?

Grasshopper Adventure Series – Huffmaster is open to all participants.

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