Zwift’s big fondo events are a popular tradition where thousands of riders push themselves to finish long weekend rides. And while the ZFondo Series took a year off last year, it’s back for the 2025/26 indoor season, with the first event happening this weekend!
Here are all the details for this year’s ZFondo Series…
Routes and Schedule
The last weekend of each month is designated as a Fondo Weekend, and each month features a different route.
Events are scheduled every three hours on Friday, Saturday, and Sunday on Fondo Weekends.
September 26-28, 2025
- Route: Bambino Fondo
- Length: 52.6km (32.7 miles)
- Elevation: 581m (1906’)
October 24-26, 2025
- Route: Medio Fondo
- Length: 73.4km (45.6 miles)
- Elevation: 1010m (3314’)
November 28-30, 2025
- Route: Gran Fondo
- Length: 97.8km (60.8 miles)
- Elevation: 1196m (3924’)
December 2025 – March 2026 details to be announced…
How Categorization Works
You must choose a category when you sign up, but the category you choose is entirely up to you, and all categories start together and are visible to each other.
The idea is that you’ll choose a category at the approximate pace you plan to ride, making it easy to see and group up with other riders targeting a similar pace.
Available categories:
- A: 4.2 W/kg
- B: 3.2 W/kg
- C: 2.6 W/kg
- D: 1.8 W/kg
- E: 1.5 W/kg
1000 XP Bonus + Kit Unlocks
Past fondos have typically featured jersey unlocks, but some of the designs weren’t always a hit. (Does anyone wear the salmon/chocolate 2023 kit?)
So Zwift is switching things up this year by giving a 1000 XP bonus the first time you complete each month’s fondo event.
Read All About Zwift XP, Levels, and Unlocks for Cyclists >
Of course, a fondo wouldn’t be a fondo without a kit unlock. But instead of releasing another set of fondo kits, Zwift is awarding different legacy Zwift Fondo kits each month:
September (ZFondo Medio 2023)
October (ZFondo February 2022)
November (ZFondo November 2020)
Is this a race?
Officially, no. But hundreds (possibly thousands) of riders will turn out for each of these popular “fun race” events, and the front of each event will certainly be filled with strong riders going all out.
With so many riders participating, everyone should be able to find a group that suits their desired pace. You do you!
Questions or Comments?
Post below!
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