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
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.
Build my planFree to start · No credit card
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.
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.
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.
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.
04Taper2 weeks · Feb 8, 2027 – Feb 21, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Feb 22, 2027 – Feb 28, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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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