Date
Sat, 21 Nov 2026
Venue
Arena WTR, Fazenda São Pedro da Juréia, Estrada Almirante Paulo Meira, Vale das Videiras, Petrópolis, RJ, Brazil
Cascatinha, Rio de Janeiro
Countdown
November
A weekend double: run the 17 km trail on Saturday, then ride the 28 km mountain bike race on Sunday. A decent amount of climbing across both days.
Key facts
01Saturday: 17 km trail run. Sunday: 28 km MTB
02Run time limit 6 hours, ride time limit 3 hours
Create a free training plan for the WTR Serra do Mar 45 km
7-day free trial, no card required
The course
The route
Cascatinha
Distance45km
StartElevation
0 kmDrag map to rotate45.7 km
Weather
Late-November, Cascatinha
29°CTypical high
19°CTypical low
12°CColdest in 20 years
68%Days with rain
Highs around 29°C and lows around 19°C, but it has dropped to 12°C. Rain on 68% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserAEESB, V3A and Speed Eventos Esportivos (World Trail Races)
Websiteworldtrailraces.com
Instagram@worldtrailraces
Training
Training for the WTR Serra do Mar 45 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 WTR Serra do Mar 45 km plan targets
Typical sessions
45 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
Steady mileage with one or two quality days a week
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 WTR Serra do Mar 45 km plan.
7-day free trial, no card required.
Other races at WTR Serra do Mar
More events in November in Brazil
Ultra Trail AmazônicaSun, 1 Nov 2026 · Manaus→Audax Trail Tour – Edição FelizExpected Early November 2026 · Feliz→Ultra Desafio do Padre 57KExpected Early November 2026 · Start: Igreja de Conceição da Linha Feijó→Sicoob Mons Ultra Trail – One Hundred World Championship Grand FinalWed, 11 Nov 2026 · Nova Trento→Desafio MTB Regente “Marco Aurélio da Rocha Moreno”Expected Mid November 2026 · Regente Feijó→Extremo Sul UltramarathonFri, 20 Nov 2026 · Chuí→
