Comprehensive list of road closures for this weekend's Great South Run 2026

Thousands of runners will hit the streets of Portsmouth this weekend as the epic Great South Run takes place in the city.

Children’s races and a 5k run take place on Saturday (October 17), with the main ten-mile event taking place on Sunday (October 18), meaning that a series of road closures and waiting restrictions will be in place.

These are:

From 6am on Monday 12th October 2026 until 5pm on Monday 19th October 2026:

• CLARENCE ESPLANADE From Avenue de Caen to junction with Jack Cockerill Way (west of entrance to Pyramids Car Park)

From 8am on Friday 16th October until 6pm on Sunday 18th October 2026:

• CLARENCE ESPLANADE Between South Parade and Jack Cockerill Way.
• VICTORIA AVENUE SPUR In its entirety.

From 6am on Saturday 17th October 2026 until 18:00 on Sunday 18th October 2026 (Serpentine Way (northbound) from 06:00 on Saturday 17th October 2026 until 9:30 on Sunday 18th October 2026):

• CLARENCE ESPLANADE Between Avenue de Caen and Pier Road
• THE DELL In its entirety.
• AVENUE DE CAEN In its entirety.
• SERPENTINE WAY (NORTHBOUND ONLY) In its entirety. (Southbound access under marshal control for access to businesses on Clarence Esplanade only).

From 9am until 1pm on Saturday 17th October 2026 (To facilitate vehicle removal operations.):

• WESTERN PARADE Between Clarence Parade and Southsea Terrace.

From 0800 -1330 on Saturday 17th October 2026 (To facilitate the 5K & Junior & Mini route):

• CLARENCE PARADE From Lennox Road South to Jack Cockerill Way.
• SOUTH PARADE From Jack Cockerill Way to St Helens Parade.

From 0800 to 1030 on Saturday 17th October 2026 (To facilitate the 5K & Junior route):

• EASTNEY ESPLANADE From St Helens Parade to St Georges Road.

From 09:30 to between 13:30 and 17:00 on Sunday 18th October 2026*:

• CLARENCE PARADE
• DUISBURG WAY
• GORDON ROAD
• VICTORIA AVENUE
• PEMBROKE ROAD
• HIGH STREET, OLD PORTSMOUTH Between Pembroke Road and St Georges Road.
• MUSEUM ROAD
• CAMBRIDGE ROAD
• BURNABY ROAD Between Cambridge Road and Park Road.
• PARK ROAD Between Burnaby Road and St Georges Road.
• ST GEORGES ROAD, PORTSEA
• ORDNANCE ROW
• THE HARD
• QUEEN STREET From its junction with The Hard to its junction with Wickham Street.
• WICKHAM STREET

• CLOCK STREET From its junction with Wickham Street to its junction with The Hard.
• BONFIRE CORNER
• CROSS STREET
• QUEEN STREET From its junction with Wickham Street to its junction with Alfred Road.
• ALFRED ROAD
• BISHOP CRISPIAN WAY From the bus gate to its junction with Alfred Road.
• MARKETWAY Between Unicorn Gate and Hope Street roundabout.
• ANGLESEA ROAD
• ST MICHAELS ROAD
• KING RICHARD I ROAD
• WINSTON CHURCHILL AVENUE* From Guildhall Walk to the Bradford Junction Roundabout. (*Winston Churchill Avenue between Isambard Brunel Road and Blackfriars Road will be closed from 09:10 to enable safe setup of the drinks station.)

• ISAMBARD BRUNEL ROAD Between Alec Rose Lane and Winston Churchill Avenue.
• LORD MONTGOMERY WAY
• HAMPSHIRE TERRACE
• LANDPORT TERRACE
• KINGS TERRACE
• JUBILEE TERRACE
• BELLEVUE TERRACE
• SOUTHSEA TERRACE
• KINGS ROAD Between Flint Street and Landport Terrace.
• WESTERN PARADE

• AUCKLAND ROAD WEST At its junction with Clarence Parade.
• SERPENTINE WAY (SOUTHSEA COMMON)
• SOUTH PARADE
• ST HELENS PARADE
• EASTERN PARADE
• ST GEORGES ROAD, EASTNEY
• CROMWELL ROAD
• HENDERSON ROAD Between Highland Road and Bransbury Road.
• HENDERSON ROAD Westbound carriageway between Bransbury Road and Ferry Road. (Eastbound under two-way light control.)
• HENDERSON ROAD Between Ferry Road and Eastney Esplanade.
• EASTNEY ESPLANADE
• SOUTHSEA ESPLANADE
• SOUTHSEA ESPLANADE LINK ROAD
• THE OCEAN AT THE END OF THE LANE

Additional waiting and loading restrictions in place at various times this week until October 19:

• CLARENCE ESPLANADE From Avenue de Caen to junction with Jack Cockerill Way (west of entrance to Pyramids Car Park).
• JACK COCKERILL WAY From Clarence Esplanade to its junction with Clarence Parade and South Parade.
• JACK COCKERILL WAY SPUR From Clarence Esplanade to its junction with Jack Cockerill Way.
• CLARENCE ESPLANADE Between South Parade and Jack Cockerill Way.

• VICTORIA AVENUE SPUR In its entirety.
• CLARENCE ESPLANADE Between Avenue de Caen and Serpentine Way
• THE DELL In its entirety.
• PIER ROAD
• AVENUE DE CAEN
• WESTERN PARADE (NORTHBOUND)
• PIER ROAD
• VICTORIA AVENUE
• PEMBROKE ROAD
• HIGH STREET (OLD PORTSMOUTH)
• ORDNANCE ROW (WEST SIDE) / THE HARD
• CROSS STREET/BONFIRE CORNER

• QUEEN STREET
• WICKHAM STREET
• CLOCK STREET
• DUISBURG WAY
• CLARENCE PARADE (NORTH SIDE)
• CLARENCE PARADE (SOUTH SIDE)
• SOUTH PARADE
• ST HELEN'S PARADE
• EASTERN PARADE
• HENDERSON ROAD
• EASTNEY ESPLANADE/SOUTHSEA ESPLANADE

HGV, cycle and local diversions will be signposted and marshalled on all roads approaching the route. Road closures will be lifted along the route when it is safe to do so. Pedestrian access will be maintained around the event.

For more details about the Great South Run visit www.greatrun.org/events/great-south-run.