Saturn Running - Midweek Chasing Numbers

MAY
29
2026
This flexible event along the River Thames gives you 7 hours to run your chosen distance. With distances from 3 km to an ultra marathon, a well-stocked aid table, and a finisher's medal for everyone, it's a great midweek challenge. Come for the run, stay for the birthday cake!
7 hour 60 kilometers 50 kilometers Marathon Half Marathon 10 kilometers 5 kilometers

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Event Format

This is a flexible time challenge event with a 7-hour window. Participants can choose their own distance starting from a minimum of 3 km. Distances are run by completing laps of a measured course. Each full lap is approximately 7 km or 4.37 miles, but this can change to a shorter loop depending on course conditions. There are turn points within the lap for 3 km and 5 km distances to accommodate younger runners. A half marathon is achieved with 3 laps, a marathon with 6 laps, and an ultra-marathon with 7 or more laps.

Available race distances include:

  • 3 km
  • 5 km
  • 10 km
  • Half Marathon
  • Marathon
  • 50 km
  • Ultra Marathon
  • Time Challenge

Course and Location

The route runs along a stretch of the River Thames in Staines. The course is fully signed and requires no navigation experience. The surface is mainly well-made paths and tarmac with a very short grass section. Road shoes are suitable for the terrain.

Participation Details

The event is open to walkers. Participants can start anytime within the 7-hour window.

All finishers completing at least 3 km receive a medal. Additional distance pins are awarded for completing a half-marathon or longer. The pins available include Half-Marathon, Mega-Half, Marathon, 50km, and Ultra.

The entry price of £20.00 is available for members, who also get guaranteed entry and a mini-me medal pin at each event. Non-member prices are higher.

Venue and Logistics

The event venue is The Last Hop in Staines. Toilets and changing facilities are available at the start/finish area. These facilities open at 8:00 AM.

Parking is available at Bridge Street Car Park in Staines (TW18 4TP). There is an unofficial bag drop area at the start/finish, but it is not secure. Headphones are permitted during the run.

All finishers receive a goody bag, with a vegan option available. An aid station at the start/finish area of each lap offers a selection of savoury snacks, sweets, fruit, cheese, and vegan items.

Race numbers are collected on the day at registration. Final instructions are emailed to participants in the week before the event. Visit the organization's website for the most recent information.

7 hr
Time Challenge
60 km
Ultra Marathon
50 km
Marathon
Marathon
Half Marathon
Half Marathon
10 km
5 km