Date
Sat, 24 Oct 2026
Start
18:30
Venue
Parque Provincial Ischigualasto, San Agustín de Valle Fértil, San Juan, Argentina
Villa San Agustín, Valle Fértil
Countdown
October
The relaxed 35 km option on the same evening: a promotional ride with age categories plus handbike and tandem classes, so plenty of people can line up.
Key facts
01MTB only: no gravel or e-bikes on this distance
02Medical certificate valid within 12 months; under 18s need a guardian or certified authorization
03Promo categories are for ages 13+; handbike and tandem are open age
Create a free training plan for the Desafío Valle de la Luna 35 km
7-day free trial, no card required
The course
The route
Villa San Agustín
Distance35km
StartElevation
0 kmDrag map to rotate33.1 km
Weather
Late-October, Villa San Agustín
29°CTypical high
13°CTypical low
4°CColdest in 20 years
10%Days with rain
Highs around 29°C and lows around 13°C, but it has dropped to 4°C. Rain on 10% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserAdventure Pro, through Asociación Civil San Juan Sol y Aventura
Websitedesafiovalledelaluna.com.ar
Instagram@desafiovalledelaluna
Running since2023
Training
Training for the Desafío Valle de la Luna 35 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 Desafío Valle de la Luna 35 km plan targets
Typical sessions
35 km
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
Terrain and skills practice specific to the course
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 Desafío Valle de la Luna 35 km plan.
7-day free trial, no card required.
