The Great River Race 2025 takes place on Saturday, 20 September, bringing nearly 300 traditional rowing boats to the River Thames. Crews will row 21.6 miles upstream from Millwall in East London to Ham in Richmond, passing under many of the city’s most recognisable bridges. It is known as London’s River Marathon and attracts competitors of all ages, abilities, and backgrounds.
Since its start in 1988, the event has grown into one of Europe’s largest fixed-seat rowing races, drawing teams from across the UK and abroad. Some crews take on the challenge for speed and trophies, while others focus on charity fundraising or enjoy the atmosphere in costume. With over 2,500 participants, the race has become both a sporting test and a community celebration.
Spectators line the riverbanks every year to watch the colourful procession of boats make their way through central London. The event not only highlights the city’s rowing heritage but also offers a unique way to experience the Thames during the wider Totally Thames Festival.
Key Details of the Great River Race 2025
The Great River Race 2025 brings together hundreds of traditional rowing boats for a long-distance challenge on the River Thames. Crews of all levels compete in a timed event that combines endurance, heritage, and community spirit.
Date and Timetable
The race will take place on Saturday, 20 September 2025. It is part of the Totally Thames Festival, a month-long celebration of London’s river.
Racing begins in the morning with crews registering and preparing their boats at the start line. The first boats usually set off late morning, with staggered starts based on handicaps to keep competition fair.
The event attracts over 2,000 competitors in nearly 300 boats, so the timetable is carefully managed. Boats may be launched the day before at Millwall or Ham, with security provided overnight.
Spectators can expect activity throughout the day, with the fastest crews finishing in just over two hours and others taking up to six. Presentations and prize-giving typically follow at the finish in Ham, Richmond.
Route and Distance
The course stretches 21.6 miles (approximately 34.7 km) along the River Thames. It runs upstream, following the river’s natural bends and passing under many of London’s most recognisable bridges.
The distance makes it comparable to a marathon, demanding both stamina and teamwork. Crews row in fixed-seat boats with a cox and a passenger, keeping with the traditions of London’s Watermen.
The route is not only a test of endurance but also a scenic journey. Rowers pass through central London, taking in views of landmarks while navigating the busy waterway. The Thames tide and current add an extra challenge, making preparation essential.
With a wide mix of crews, from competitive athletes to charity teams in costume, the route offers both serious racing and a festive atmosphere.
Start and Finish Locations
The race starts at Millwall, East London, near the Docklands. This area provides space for launching boats and assembling crews. Some participants choose to launch from nearby sites such as Poplar Rowing Club or South Dock Marina before rowing to the start.
The finish is at Ham, Richmond, on the western stretch of the Thames. Boats are rafted and retrieved here, with parking and crane services available for trailers and larger craft.
Ham provides a large riverside area for spectators, organisers, and prize-giving. It also serves as the main hub for post-race logistics, including boat towing, storage, and bus transfers for crews returning to their accommodation.
This start-to-finish route links two distinct parts of London, showcasing both the city’s historic riverfront and its quieter stretches upstream.
Entry Requirements and Registration Process
The Great River Race 2025 sets clear rules for who can take part, what types of boats are allowed, and how crews must complete their entry. The process ensures fair competition, safety on the Thames, and smooth organisation on race day.
Eligibility Criteria
The race is open to all traditional fixed-seat rowing boats. Each crew must row with at least four oars, and every boat must carry a cox and a passenger. This requirement reflects the heritage of London’s Watermen, who once ferried people across the Thames.
Crews can include both experienced rowers and beginners. Many teams take part for competition, while others dress up and raise money for charities. International crews are also welcome, with boats often travelling from abroad to join the event.
Participants must be physically fit enough to row the 21.6-mile course from Millwall to Ham. Safety rules require all rowers to follow guidance on lifejackets, boat handling, and navigation. Children may take part if accompanied by responsible adults and if the boat meets safety standards.
Boat Classifications
Boats are divided into categories to ensure fair racing. The event accepts only traditional, fixed-seat rowing craft, not sliding-seat racing shells. Designs range from skiffs and gigs to shallops and cutters.
Each entry must meet measurement requirements, which are checked before race day. Crews may need to submit a Boat Measurement Form to confirm compliance. Boats are then placed into classes based on size, type, and number of oars.
The organisers award trophies across many classes, not only for the fastest overall time. Categories may include best dressed crew, family teams, and charity fundraisers. This system allows both competitive and recreational crews to take part on equal terms.
Entry Fees and Deadlines
Registration requires completing an official entry form. For 2025, entries closed once the race reached capacity, but a waiting list remains available. Crews must provide details of their boat, cox, rowers, and passenger.
Fees vary depending on boat type and crew size. Payment confirms a place, and additional forms may be needed for parking, towing, or craneage at the start and finish points.
Deadlines are strict. Late entries are not accepted once registration closes. Crews are advised to prepare forms early, as places often fill months before race day on 20 September 2025.
Race Day Experience
The Great River Race covers 21.6 miles along the River Thames, drawing hundreds of traditional boats and crews. From the first launch at Millwall to the final celebrations at Ham, the day combines careful organisation, endurance on the water, and a lively atmosphere at the finish.
Start Procedures and Launching
Crews gather at Millwall Slip in East London well before the official start. Boats are checked for safety, and each team ensures that equipment such as oars, lifejackets, and cox gear are ready. Organisers stagger departures to manage the large number of entries and to avoid congestion on the river.
The starting sequence is timed to the incoming tide. This helps rowers maintain steady progress westward and reduces delays. Crews must listen closely for instructions, as marshals guide them into position before the signal to begin.
Each boat must carry a passenger in addition to rowers and a cox. This rule ensures consistency across the wide variety of fixed-seat craft, from gigs and skiffs to cutters and traineras. Teams often rotate roles during the race, so preparation at the start is essential.
On the Water: The Race Itself
The route stretches from Millwall to Ham, passing under 28 bridges and through some of London’s most recognisable landmarks. Rowers face a physical test, balancing rhythm, stamina, and steering with the cox’s guidance.
Crews encounter both calm stretches and busy sections where the river narrows. Overtaking requires coordination, and the cox must watch for other boats while keeping the team’s pace steady. The tide provides some assistance, but the distance demands careful energy management.
Many participants approach the race differently. Some aim for speed and competitive times, while others row in fancy dress or focus on raising money for charities. Regardless of purpose, the shared effort on the Thames creates a strong sense of camaraderie between crews.
Finish Line Activities
The race ends at Ham Lands in Richmond, where spectators gather to welcome the boats. Crews cross the line to cheers, and volunteers record finishing times for each entry. The area quickly fills with rowers, coxes, and supporters celebrating their achievement.
At Ham riverside, food stalls, a bar, and music provide a relaxed setting after the long row. Some teams stay to enjoy the disco and social atmosphere, while others focus on recovering from the 21.6-mile effort.
The finish offers a mix of competition and community. Prizes recognise both speed and spirit, with awards for fastest crews, best fancy dress, and notable fundraising efforts. This balance reflects the inclusive nature of the Great River Race.
Teams, Roles, and Crew Preparation
Each boat in the Great River Race must balance skill, stamina, and teamwork. Crews succeed when they understand their roles, prepare with consistent training, and organise themselves effectively during the 21-mile course.
Role of the Cox
The cox is responsible for steering, race strategy, and safety. They must keep the boat in the correct part of the river, follow bridge passage rules, and ensure the crew avoids collisions. Their judgement is especially critical in congested areas such as the start, finish, and when approaching bridges.
A good cox communicates clearly and gives instructions at the right time. They must also stay aware of surrounding boats, river conditions, and official guidance from race marshals.
Unlike rowers, the cox does not provide physical power but directs the team’s effort. This role requires confidence, quick decision-making, and a strong understanding of the course. Without an effective cox, even skilled rowers can lose time or risk penalties.
Training and Fitness
Rowers need endurance and strength to cover more than 21 miles on the Thames. Training should combine long-distance rowing sessions with shorter, high-intensity intervals to build stamina and power. Crews that prepare with varied workouts are better able to handle both steady rowing and bursts of speed.
Strength training for the upper body, core, and legs supports better technique and reduces fatigue. Flexibility and recovery work, such as stretching, also help prevent injuries during long sessions.
Coxes and passengers may not row, but they also benefit from fitness training. A cox who can maintain focus for hours is less likely to make errors under pressure. Overall, preparation across the whole crew improves consistency.
Crew Organisation and Rotation
Most crews include four rowers, one cox, and one passenger. The passenger is not just a bystander; they may rotate with a rower when rules allow, giving the team flexibility. This rotation helps manage fatigue and keeps the boat moving at a steady pace.
Clear organisation before race day is essential. Teams often assign rowing order, rest times, and responsibilities in advance. A written plan ensures everyone knows when to switch roles and prevents confusion during the race.
Good crews also practise transitions so that changes happen smoothly. Even a small delay during a swap can cost valuable seconds. By rehearsing these shifts, teams maintain rhythm and conserve energy across the long course.
Spectator Information and Events
The Great River Race 2025 brings thousands of people to the banks of the River Thames. Visitors can enjoy prime viewing spots, take part in riverside activities, and show support for the crews as they row the 21.6-mile course.
Best Viewing Points
Spectators can follow the race along much of the Thames, but certain locations provide the clearest views. The start at Millwall Slipway offers a chance to see crews preparing and launching. This area is lively but can become crowded quickly.
Further along, Tower Bridge and Westminster Bridge allow people to watch boats pass under some of London’s best-known landmarks. These central spots are easy to reach by public transport and give good photo opportunities.
For those who prefer a quieter experience, Hammersmith Bridge and Barnes provide less crowded areas with open river views. The finish line at Ham, Richmond is one of the most popular places to gather. Here, families and supporters often wait to cheer on crews as they complete the course.
A simple reference for key points:
| Location | Highlight | Atmosphere |
|---|---|---|
| Millwall (Start) | Crews launching, race build-up | Busy, energetic |
| Tower Bridge | Iconic backdrop, central London | Crowded, lively |
| Hammersmith Bridge | Wide views, space to watch | Relaxed, open |
| Ham, Richmond (End) | Finish line celebrations | Festive, welcoming |
Onshore Entertainment
The race attracts not only rowers but also families, friends, and visitors who line the Thames. Many riverside pubs and cafés host gatherings, making it easy to find food and drink along the route. Some venues even decorate for the occasion.
Community groups often set up stalls near the finish at Ham. These may include local food stands, charity fundraising tables, and rowing club displays. Children can enjoy open spaces near Richmond, where families picnic while waiting for the crews.
Live commentary is usually available at key points, helping spectators follow progress. The atmosphere is informal, with people moving between bridges and riverside paths to catch different stages of the race.
Supporting Participants
The Great River Race includes a wide mix of crews, from competitive athletes to families rowing for charity. Spectators play a role in encouraging them, especially during the later stages when fatigue sets in. Cheering from bridges or riverbanks helps keep spirits high.
Many teams row in fancy dress or carry banners for their chosen charities. Donating to these causes is one way visitors can show support. QR codes or collection buckets are often available at viewing points.
At the finish in Richmond, clapping and welcoming tired crews is an important tradition. Family members often wait with refreshments, while rowing clubs greet their teams with flags and applause. This sense of support makes the event more than a race and strengthens its community feel.
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