There are 14 upcoming 5k races in Essex listed. Next up: Leigh-on-Sea Running Festival 2026 (Sunday, 25 October 2026), Phoenix Striders Summer Series " The Halloween Special" (Tuesday, 27 October 2026), ATW Remembrance Runs (Saturday, 7 November 2026).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
Leigh-on-Sea · Leigh Marina, Leigh-On-Sea, Essex, SS9 2ES
Leigh-on-Sea Running Festival 2026 is organised by Mammoth Events in Leigh-on-Sea. Entry options: HALF MARATHON Standard Entry; 10K Standard Entry ⌵ReadMore⌵; 5K Standard Entry. The course surface has not been confirmed.
£25.68–£43.73
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Basildon · Langdon Nature Discovery Park Lower Dunton Road
Phoenix Striders Summer Series " The Halloween Special" takes place in Basildon on 27 October 2026. Organised by Phoenix Striders Walking and Running Club. Published venue: Langdon Nature Discovery Park Lower Dunton Road. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£2.50–£4.50
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Saffron Walden · Debden Airfield, Carver Barracks, Water Ln, Wimbish, Saffron Walden CB10 2YA
ATW Remembrance Runs is organised by ATW in Saffron Walden. Entry options: Half Marathon; 10K; 5K. The course surface has not been confirmed.
£25.44–£43.46
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Braintree
Raynedeer Run 2026 takes place in Braintree on 13 December 2026. Organised by Hare & Tortoise Running. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£19.50–£40
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Chelmsford · The Voodoo Keller Bar 59 New Street , (Waterloo Lane) Chelmsford, Essex CM1 1NE
The Voodoo Keller Rabbit easter 5k fun run takes place in Chelmsford on 24 March 2027. Organised by Multisport Management. Published venue: The Voodoo Keller Bar 59 New Street , (Waterloo Lane) Chelmsford, Essex CM1 1NE. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£19.76–£20.80
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Chelmsford · The Voodoo Keller Bar 59 New Street , (Waterloo Lane) Chelmsford, Essex CM1 1NE
May 4th be with you 5k takes place in Chelmsford on 04 May 2027. Organised by Multisport Management. Published venue: The Voodoo Keller Bar 59 New Street , (Waterloo Lane) Chelmsford, Essex CM1 1NE. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£18.72–£20.80
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Southend-on-Sea · Garon Park, Eastern Avenue, SS2 4FA
A 5km fundraising run for Cancer Research UK at Garon Park in Southend-on-Sea. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
£7.99
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Boxted · Boxted St Peters School, Boxted
Boxted 10k, 5k and Junior 2k takes place in Boxted on 13 June 2027. Organised by Boxted Runners. Published venue: Boxted St Peters School, Boxted. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£13–£18
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Basildon · Gloucester Park, Cranes Farm Road, SS14 3GR
A 5km fundraising run for Cancer Research UK at Gloucester Park in Basildon. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
£7.99
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Colchester · Colchester Sports Park, Northern Gateway, Cuckoo Farm Way, Colchester, CO4 5YX
St John's 1K, 3K, 5K and 10K Run 2027 takes place in Colchester on 27 June 2027. Organised by The Fundraisers Association for St Johns C of E Primary School. Published venue: Colchester Sports Park, Northern Gateway, Cuckoo Farm Way, Colchester, CO4 5YX. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£7.20–£16.20
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Brentwood · Wild Forest, Parsonage Farm, Ongar Road, Brentwood, CM15 0LA
A 5km muddy obstacle run at Wild Forest on the Nuclear Races site, organised by Essex Wildlife Trust. Open from age 13. Registration costs £40 and participants must also pledge to raise £100.
£40
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Chelmsford · Hylands Park, Greenbury Way, CM2 8FS
A 5km obstacle-course fundraising event for Cancer Research UK at Hylands Park in Chelmsford. Participants can run, jog or walk at their own pace. The course includes climbing, crawling and sliding obstacles. The organiser asks each participant to aim to raise £50.00. Starts are arranged in waves; choose a time when booking.
£11.24
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Colchester · Lower Castle Park, High Street, CO1 1XN
A 5km fundraising run for Cancer Research UK at Lower Castle Park in Colchester. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
£7.99
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Colchester · Colchester Sports Park, Cuckoo Farm Way, Colchester, CO4 5YX
ATW Colchester Friday Night Runs takes place in Colchester on 13 August 2027. Organised by Active Training World. Published venue: Colchester Sports Park, Cuckoo Farm Way, Colchester, CO4 5YX. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£22
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Work out your target 5k time and pace.