Snowdonia Marathon

  • Llanberis
  • 42.2 km
  • Ballot entry

The bottom line: this 42.2 km marathon is a mixed profile.

Data current as of

The five sub-scores

PB potential
Value
Conditions100
Beginner-friendly
Organisation

No single black-box number: each sub-score is shown independently. See the scoring methodology.

Snowdonia Marathon's marathon is a loop course over 42.2 km that runs a mixed profile.

How hilly is the Snowdonia Marathon?

Course profile not yet available for this race.

The course is a loop course. The marathon route covers 42.2 km. It starts at Llanberis (postcode LL55 4TA) and finishes at Llanberis.

What are realistic finish times?

Finisher distribution not yet available for this race.

Fit depends on your goal here: weigh the course shape and conditions below against a flat-out PB attempt. Scenery-seekers get a mountain backdrop.

What does it really cost to run?

True-cost model not yet available for this race.

Snowdonia Marathon's marathon is covered by our verified fact set; see the data table for specifics.

What are typical race-day conditions?

  • 10°CTypical temperature
  • 24 kphTypical wind
  • 6 mmTypical rainfall
  • 69Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

Expect typical race-day temperatures around 10°C, winds near 24 kph and about 6 mm of rain on an average year. Overall the conditions are favourable for endurance running — a help if you are chasing a time.

Verdict

The bottom line: this 42.2 km marathon is a mixed profile.