Expected July 2027
Distance
Start Time
Cutoff
Terrain
A twelve-day running series held in Walton-on-Thames, offering daily 5K, 10K, half marathon, marathon, ultra marathon, and timed events on a flat, off-road riverside course.
Riverside towpath along the Thames Path
Measured and certified out-and-back laps
No elevation gain or loss
Start/finish near Weir Pub and Xcel SPORTS HUB Stadium
Start / Finish
Near Weir Pub and Xcel SPORTS HUB Stadium, Walton-on-Thames
Same as start (out-and-back course)
Terrain
Route
Getting There
What you get
Finisher t-shirt
Daily medal
Technical finisher t-shirt (based on category)
No medal/no t-shirt option available
On the day
Before you enter
Other questions
The Double-Down option lets participants run two half marathons per day, enabling you to complete 20 or 24 consecutive half marathons over the series.
Yes, the course has no elevation gain or loss. It is a flat, off-road trail along the Thames Path.
Finishers receive a daily event medal and a technical finisher t-shirt based on their category. A no medal/no t-shirt entry option is also available.
Yes, you can change your chosen distance, including on the day of the event.
Yes, an early start option is available, giving you almost 9 hours of running time each day.
Entry fee
Registration isn't open yet. We'll show pricing when the organiser confirms.Walton-on-Thames, United Kingdom
Expected July 2027
Provisional date, around Jul 28Are you the organiser of Phoenix Surrey Easter Twelve in Twelve Run Series?
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