DateExpected
Early August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Spooner Lake State Park, Glenbrook, Nevada
Glenbrook, Nevada
Countdown
August
A single 50 km loop out of Glenbrook for runners who want a proper ultra without the crowds. Fewer than a hundred start, and the cut-offs keep you honest.
Key facts
01Cut-off at mile 14.8: 4 hours 30 minutes after the start
02Cut-off at mile 20: 6 hours after the start
Create a free training plan for the Marlette 50K and Marlette 10 Miler 50 km
7-day free trial, no card required
The course
The route
Glenbrook
Distance50km
StartElevation
0 kmDrag map to rotate44.6 km
Weather
Early-August, Glenbrook
29°CTypical high
13°CTypical low
5°CColdest in 20 years
8%Days with rain
Highs around 29°C and lows around 13°C, but it has dropped to 5°C. Rain on 8% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserBig Blue Adventure, LLC
Websitetahoetrailrunning.com
Instagram@bigblueadventure
Running since2014
Training
Training for the Marlette 50K and Marlette 10 Miler 50 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 Marlette 50K and Marlette 10 Miler 50 km plan targets
Typical sessions
50 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
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 Marlette 50K and Marlette 10 Miler 50 km plan.
7-day free trial, no card required.
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