10K races near Sydenham

A midweek run to chase personal bests. The course follows the River Thames. Runners can complete it multiple times within the 7-hour limit.

Run at Dorney Lake. The flat course circles the lake, where GB's Olympic rowers train. It's a great run for all levels, whether you're aiming for a PB or just want a finisher's medal.

The Mornington Chasers’ Regent’s Park 10K Winter Series begins its schedule of six Sunday morning races in October, running until March. Each event is a chip-timed 10k within Regent’s Park in London. The route is accurately measured, traffic-free, and suitable for beginners, club runners, and those aiming for a consistent winter performance. The course begins and ends on the Broad Walk, close to the espresso bar. It remains entirely within the park and is predominantly flat, with a few minor inclines. Participants receive kilometre markers, marshals, a water station, baggage storage, and a finisher medal. Note that the toilets near the start require a 20p contactless card payment.

The East Grinstead 10K, also known as the Andy Ripley Memorial Run, is a largely flat multi-terrain 10K held in East Grinstead, beginning at Imberhorne School. This community race takes place in October, organized by volunteers from East Grinstead Runners for runners. It typically attracts 300 to 400 participants, from those running their first 10K to experienced club athletes. Chip timing and UK Athletics rules provide a formal race structure while maintaining a local atmosphere. The route is primarily off-road for the first 7 km, utilizing well-maintained bridleways, before transitioning to 3 km on residential streets. Marshals are stationed along the course, and a water station is available at the halfway point. The race commemorates Andy Ripley OBE, a former England rugby union international and dedicated East Grinstead sportsman who was involved with local athletics and triathlon clubs prior to his death from prostate cancer. All proceeds benefit local charities, including East Grinstead Lions, their prostate cancer screening initiatives, and Being Neighbourly.

Run Kent Tonbridge begins at The Judd School, guiding runners on a marked, measured single loop through the Kent countryside. The event provides three distances: a half marathon, 10K, and 5K, with staggered morning starts, beginning with the longer race. It is a RunThrough event featuring chip timing, kilometre flags, stocked water stations, and marshals at key turns. The race returns road running to the streets around Tonbridge, with support from Tonbridge Rotary Club and Tonbridge Lions. Demelza, the local children’s hospice, serves as the event charity, enabling many runners to raise funds. Spectator areas, course entertainment, and cheering marshals contribute to a community atmosphere, distinct from a basic club run. The finish area offers food, drink, complimentary race photos, post-race items, and a themed medal.

The Thames Meander - Autumn is a flat riverside race series in Richmond, commencing and concluding at the Petersham & Ham Sea Scouts HQ on Petersham Road. Participants can select from 10km, half marathon, or marathon distances, with all three utilizing the Thames Path towpath for out-and-back courses. The format is straightforward: run alongside the river, turn at the designated checkpoint for your chosen distance, and return to the original finish area. The 10km turnaround point is at Kew Gardens Car Park on Ferry Lane. The half marathon extends to the Thames Path opposite Barnes Sports Club. The marathon follows the same 13.1-mile out-and-back course as the half marathon, run twice. The path is suited for consistent running, not technical trail running, and as a public thoroughfare, runners will encounter walkers and cyclists. Marshals are stationed along the course and at turnaround points. Checkpoints provide gels, drinks, electrolyte powders, and high-energy food. KLP Medics are present at the start/finish and Kew Gardens Car Park.

Run Kent’s Tonbridge race series starts and finishes at The Judd School in the historic town of Tonbridge. It is an October road-running event with three distances on the same day: a half marathon, 10K, and 5K, all held on closed roads. Each route is a professionally marked and measured single loop, going through Tonbridge and out onto the surrounding Kent countryside roads. The races support Tonbridge Rotary Club and Tonbridge Lions, with local bands, aid stations, and spectators adding to the day along the course.

The Chase The Moon Battersea 5K & 10K is an evening race in London’s Battersea Park, with 5K and 10K options starting at 7:00pm. Both races use a completely flat park course, suitable for runners aiming for a personal best or those seeking a simple after-work run. The route begins and ends at the Parks Bandstand, near the SW11 4NJ start postcode. It circles the park, avoiding a complex point-to-point course. This loop format simplifies navigation for participants and offers spectators multiple opportunities to view runners.

The Kent Downs 50 Ultra Challenge begins at a basecamp near Maidstone, leading participants onto the North Downs Way within the Kent Downs. This event offers 50km, 25km, and 10km routes suitable for ultra-distance runners, long-distance walkers, and those seeking a shorter trail challenge. Participants can choose to self-fund or fundraise for charity, with over 600 charities participating, including Oasis Domestic Abuse Service as a supported cause. The course is marked and supported by the Ultra Challenge framework, featuring frequent rest stops with complimentary food and beverages, medical personnel, marshals, and massage services. Walkers may opt for the ULTRA MARCH® format, while quicker runners can select the TRAILBLAZERZ® option. Individual start times are available to accommodate various paces. On-site parking and weekend camping facilities are provided, allowing participants to extend their involvement over the full weekend. The race is recognized with ITRA Mountain Level 2 points and awards 150 points to finishers.

The ASICS LDNX 10K is a 10K race on closed roads in Wembley, London, held in October. Its notable feature is the finish on Olympic Way, leading runners towards Wembley Stadium and its arch, unlike races ending in less distinctive locations. This event is organized by the team responsible for the Manchester Marathon and the London Winter Run 10K. The inaugural event was designed for thousands of participants, with capacity for up to 12,000 entries. The course utilizes fully closed roads around Wembley, featuring live music inspired by the stadium area's performance heritage and an indoor start experience before runners begin. It caters to experienced athletes, club runners, and those attempting their first 10K, with charity places offered for Alzheimer's Research UK. Participants receive a medal, and post-race activities for runners and supporters include an after-party at BoxPark. The name LDNX combines London with X, the Roman numeral for 10.