Date
Sun, 23 May 2027
Start
09:00
Venue
Five rounds in California: Ukiah, Maxwell, Monte Rio, and Caspar
Caspar, Mendocino County
Countdown
May
The Mero Mero is the full-size Ukiah gravel epic: 122 km with about 2,570 m of climbing. It's a long, hilly day on gravel that will test your legs and your patience.
Key facts
01No license required
02E-bikes are not permitted
Create a free training plan for the Grasshopper Adventure Series 122 km
7-day free trial, no card required
The course
The route
Caspar
Distance122km
Total climb2,566m
StartElevation
0 kmDrag map to rotate110.5 km
Weather
Late-May, Caspar
16°CTypical high
10°CTypical low
4°CColdest in 20 years
15%Days with rain
Highs around 16°C and lows around 10°C, but it has dropped to 4°C. Rain on 15% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserHopper Adventures LLC (Miguel Crawford)
Instagram@grasshopperadventureseries
Running since1998
Training
Training for the Grasshopper Adventure Series 122 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Grasshopper Adventure Series 122 km plan targets
Typical sessions
122 km with 2,566 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Sustained climbing repeats on real gradients
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Grasshopper Adventure Series 122 km plan.
7-day free trial, no card required.
Other races at Grasshopper Adventure Series
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