Looking for the ideal 20 mile / 32.2 km marathon training run? 20 Along the Forth is perfectly timed for runners preparing for a 2026 Spring Marathon or ultra marathon. At 20 miles /32.2 km, it’s the sweet spot to test your fitness, pacing, and endurance before the big day.
This isn’t just another training race, it’s also a fundraising event for The MS Society Scotland. Every mile you run helps support vital research and services for people living with multiple sclerosis.
The route begins at Cargilfield School, then winds through the scenic Dalmeny Estate, into South Queensferry and across the iconic Forth Road Bridge before heading back to Barnton. Expect around 75% tarmac and 25% runnable estate roads with 1,150ft (350 m) of overall undulation. Don’t worry - there are no big hills! Please note there are no road closures for this event.
EVENT INFO
Location
Start & registration: Cargilfield School, 45 Gamekeeper’s Road, Barnton, Edinburgh
Distance & Age Limits
20 miles (32.2 km): Ages 18+
Entry Limit
Maximum 1,000 runners
Wave Starts
8:30am: runners aiming for 4 - 4.5 hours
9:00am: runners aiming for 3 - 4 hours
9:30am: runners aiming for under 3 hours
Entries
£30 (optional £1 charity donation)
What’s included
Chip timing
Finisher’s Medal & event memento
Post run fuel ( wraps / sandwiches / sweet treats / water / tea )
Route & Safety
Fully marked and marshalled
Water stations at miles 5.5 (9.5 km) and 14.5 (23 km)
First aid cover
Getting there
Free on street parking around the school as well as in the school grounds
Lothian Bus no 47 stops near the school
Charity Partner
The MS Society Scotland – This event was started in 2019 as a fundraiser and awareness builder for The MS Society, a disease Race Director Cat’s mother died with in 2013. Did you know that Scotland has the highest incidence rate of Multiple Sclerosis?
Check out our video footage from last year’s event, our FAQ’s or see past event results to get inspired and sign up today! ⬇️
“You do it really well Blast Running - keep up the great work 👏”