Race or adventure?
This is the first fork, and it decides most of what follows. A race has a start gun, timing, a results sheet and riders who will bury themselves for a placing. An adventure event has a route, a rough start window and a finish — the point is the riding, not the ranking.
Plenty of events are both: a timed lead group at the front, a few hundred people riding it as a long day out behind. The event page usually tells you which culture dominates — look for words like "race", "championship" and "categories" versus "ride", "experience" and "no-drop".
If you're unsure, pick the adventure framing for your first one. It removes the pressure and you still ride the same gravel.
Distance: pick from what you already ride
The honest rule is simple: choose a distance you have ridden, or one you can build to comfortably in the weeks you actually have. Gravel distances hit harder than road distances — rolling resistance, concentration and rough surfaces add up.
Rough bands riders use: under 50 km is a taster or a family-friendly option; 50–100 km is a solid half-day and the most common first-event choice; 100–150 km is the classic gravel-race distance; 150 km and up becomes a full day where pacing, food and mechanical self-sufficiency decide your finish.
Terrain and elevation matter more than the number
Two events at the same distance can be completely different days. Smooth forest doubletrack in Denmark and loose alpine climbs in Switzerland are not comparable efforts.
Before entering, check three things on the organizer's page: the surface mix (how much tarmac, gravel, singletrack), the total elevation gain, and whether the climbing comes in a few long ascents or endless short ones. Then compare that to the terrain you train on. If your local riding is flat and the event has 2,000 m of climbing, drop a distance band.
One-day gravel or multi-day bikepacking?
A one-day event ends with a shower and a meal. A multi-day event means you sleep out — either in a provided bivvy spot or wherever you can — and carry what you need. The second one is a different skill set: sleep, food, navigation and managing yourself when tired.
Multi-day events are not automatically harder per hour, but they are far less forgiving of poor planning. If you have never slept out on a bike trip, do that once privately before you enter a multi-day event.
Supported or self-supported?
Supported events give you aid stations, signage, mechanical help and usually a sweep vehicle. You can ride with a half-empty jersey pocket and still be fine.
Self-supported events put all of it on you: your own food and water strategy, your own repairs, no outside assistance, often no course markings — just a GPX file. Most ultra-distance and bikepacking races work this way, and the rules are strict about what counts as outside help.
Neither is better. But read the event's support rules before you enter, because they change what you need to carry, what you need to know and how fast you'll actually move.
Destination and travel
An event you can drive to on Saturday morning costs you a morning. An event abroad costs flights, a bike box, accommodation and days off — so the riding has to be worth the trip.
A practical approach: keep one or two local events as your season's backbone, and add one destination event you genuinely want to see. Check accommodation near the start before you register, not after — in small host towns it goes first.
Community and atmosphere
Gravel events vary enormously in feel: village-hall grassroots with homemade cake, festival-scale expos with brand tents, or silent self-supported departures at 4 a.m. with twelve people.
Photos and recap videos from previous editions tell you more than any description. If the images show people laughing at a feed stop, expect that. If they show solitary riders on an empty ridge at dusk, expect that instead.
How much experience do you actually need?
For most one-day events under 100 km: you can ride three hours off-road, change a tube or plug a tubeless tyre, and read a GPX route. That's the real bar.
For long one-day races: add proven nutrition, pacing discipline and a bike you have ridden loaded on the same kind of surface.
For self-supported multi-day and ultra events: add night riding, sleep management, mechanical self-reliance and the judgement to stop before things get dangerous. Organizers of the harder events often state a qualifying ride or prior finish — that requirement exists for good reasons.