Half Marathon races near Londerzeel

Den Halve van Geshaa is a half marathon held in Grasheide, a hamlet of Putte in Antwerp province, Belgium, on the first Saturday of October. The main race covers 21.1 km. Runners can also complete the distance as a relay team of two or three. Additionally, a 7 km race follows the same route for those preferring a single lap. The start and finish are located at the SV Grasheide football club on Galeistraat. The half marathon consists of three laps of 7.033 km each. Approximately half of the course is unpaved, combining quiet paved roads with field and forest paths. The route is closed to traffic, with marshals and kilometer markers provided. Water stations are available on each lap, along with a supply point at 3.5 km. Geshaalopers organize the event, making it accessible for local runners and relay teams, and supporting a different charitable cause annually.

The Van Cauter Half Marathon Erpe-Mere takes place in October in Erpe-Mere, East Flanders, Belgium. The main 21.1 km race begins at the church in Aaigem. The event also features 3.5 km and 11.5 km runs, alongside youth races of 450 m for toddlers, 750 m for younger primary-school children, and 1000 m for older primary-school children. The shorter races and youth distances are based at Domain Steenberg. Half marathon runners use Aaigem as their race base and collect their numbers at the church. The event is a fixture on the local sports calendar, offering live timing, many children and recreational runners, and supporters along a route showcasing the greener parts of Erpe-Mere.

The Vondelhof Trail begins and ends at the Vondelhof in Haaltert, with Maspoe organizing the race from Vondelen 14. Participants can select from 12 km, 21 km, or 30 km routes, all designed as trail courses rather than road races. Over 70% of the course is off-road, making it a day for trail shoes, not fast, flat asphalt. The event takes place in autumn and is in its second edition. The route includes singletrack, unpaved forest paths, gravel roads, mud, and some climbing; organizers advise that good grip is important. It is not suitable for wheelchairs or strollers. The race is cup-free, requiring runners to bring their own cup for water at aid stations. Streets near the start will be closed to traffic, parking is restricted to surrounding streets, and arriving on foot or by bike is encouraged. Later in the day, Haaltert Loopt offers 4 km, 8 km, and 12 km options with the same setup.

The TREK Antwerp Marathon is an October running event in Antwerp, a Belgian port city on the Scheldt. Participants can select the full marathon, half marathon, or 10K, accommodating both long-distance runners and those seeking a shorter city race. The event draws a significant field for a Belgian city race, with approximately 20,000 runners participating across the three distances. This marks the sixth edition of the race. The route crosses the center of Antwerp, passing historic landmarks instead of skirting the city's periphery. Marathon participants are supported by pacers identified by colored target-time flags. The course features aid stations and distinct kilometer and time markers. All finishers are awarded a medal, and marathon entrants also receive an event T-shirt. Additionally, runners have the option to pay after completing the race to have their medal engraved with their name and finish time. Timing is managed via electronic chip with live results available online. The practical arrangements include changing tents and secure bag storage, but showers are not provided at the venue.

The Linker Oevert Marathon Antwerpen is a city road race in Antwerp, Belgium, held in mid-October. Participants can select 10 km, half marathon, or full marathon distances, accommodating both those advancing from shorter races and experienced marathoners. Each distance features a single-loop course: 10 km, 21.0975 km, or 42.195 km. The route crosses Antwerp, offering sights of the River Scheldt and city landmarks. Spectators can cheer runners, then explore Antwerp's attractions such as the zoo, the MAS museum, or the diamond district.

Trage Wegen Jogging is a running event held in October in Boutersem, located in Belgium’s Vlaams-Brabant province, starting at Sport’O’Droom. Participants can choose from 5 km, 10 km, 16 km, and 21 km distances. Time registration uses chips, and the event features a free-start format divided into two blocks. The course consists almost entirely of unpaved paths, featuring numerous single-track sections, making it more of a trail run than a road race. The route is marked, and aid stations are available along the way. Sport’O’Droom offers amenities such as changing rooms, showers, and luggage storage. Additionally, there are 400 m and 800 m kids' runs. Every child participating receives a medal. This marks the 12th edition of the race.

Beemdenjogging begins and ends at Kapelstraat 1 in Zoersel, sending runners into the Zoerselbos for a recreational nature run. Online registration remains open until late October, offering lower prices for pre-registration and a higher fee for same-day sign-ups. The facilities are functional: parking and bicycle storage are available at the start, with additional parking nearby in Zoersel, along with free sports bag storage, changing rooms, and showers. The course consists mainly of unpaved roads, guiding participants through forest paths and quieter areas within and surrounding the Zoerselbos. The 14 km and 21 km routes feature aid stations, but participants must provide their own cup or bottle as disposable cups are not provided; reusable cups are available for purchase. All finishers receive a complimentary pancake post-race, and event photos will be published on the website, with participants able to inform photographers if they prefer not to be photographed.

Donkmeerloop De Mooiste Halve is a road race held at Festival Hall Donkmeer in Berlare, East Flanders. The start and finish are on Donklaan, adjacent to the lake. The race offers 6 km, 12 km, and half marathon distances, and is scheduled for autumn. Jente Samson, the Flanders Project Team, the municipality of Berlare, and the Province of East Flanders organize the event. It has been held for 11 consecutive editions, expanding from 450 participants in its first year to over 2,000, with fields now sold out. The courses traverse the Donkmeer area, the old duck decoy, and Nieuwdonk. This ensures even the shorter distances offer the same lake-and-park environment as the half marathon. Half marathon participants can utilize seven pacers, identifiable by orange shirts, aiming for finish times between 1:20 and 2:10. Past editions featured the Belgian Championship, charity runs, and support for a children's heart fund. The race maintains practical amenities: aid stations on each lap, electronic timing, changing facilities and showers at the start/finish, medals for all finishers, a finisher drink, and trophies awarded.

20km door het Zoniënwoud is a 20 km forest race in Auderghem, on the edge of Brussels. It is a trail run, with over 90% of the route unpaved. The course is fully marked, and runners receive one aid station. The race carries a UTMB Index 20K listing and features 370 meters of climbing, suitable for those seeking a short, genuine off-road challenge. The route remains primarily within the Zoniënwoud, utilizing gravel paths and single tracks with some steep ascents. It is entirely traffic-free, marked by orange arrows and large signs, and limited to 1,500 participants across four start waves. The event includes a walking option for children up to 12 and dogs, offered free of charge, contributing to a wider local atmosphere compared to a race exclusively for runners.