Essendon Country Club Charity 10K & Family Fun 5K
25 Jan
Essendon Country Club Charity 10K & Family Fun 5K
Organised by: Essendon Country Club
ATW Bedford 5 & 10
25 Jan
ATW Bedford 5 & 10
Organised by: ATW
ATW Watford Half Marathon & 10K
01 Feb
ATW Watford Half Marathon & 10K
Organised by: ATW
Dorney Duathlon - Feb
07 Feb
Dorney Duathlon - Feb
Organised by: ATW
Wokingham 5km/10km & Kids Fun Run
08 Feb
Wokingham 5km/10km & Kids Fun Run
Organised by: Barnes Fitness
ATW Love Welwyn Garden City 10K
15 Feb
ATW Love Welwyn Garden City 10K
Organised by: ATW
Harrow Hill 10K
15 Feb
Harrow Hill 10K
Organised by: Harrow Hill Race
February Half Term Kids Triathlon Training Camp
17 Feb
February Half Term Kids Triathlon Training Camp
Organised by: Barnes Fitness
ATW Bedford Half Marathon & 10k
22 Feb
ATW Bedford Half Marathon & 10k
Organised by: ATW
ATW 2026 EVENT PASS
01 Mar
ATW 2026 EVENT PASS
Organised by: ATW
ATW Great Yarmouth Seafront Half Marathon, 10k & 5k
01 Mar
ATW Great Yarmouth Seafront Half Marathon, 10k & 5k
Organised by: ATW
TapSocial Brewery 10km
01 Mar
TapSocial Brewery 10km
Organised by: Barnes Fitness
Dorney Duathlon - March
08 Mar
Dorney Duathlon - March
Organised by: ATW
ATW Nottingham Holme Run
08 Mar
ATW Nottingham Holme Run
Organised by: ATW
Essex 20 - Essex County Road Running Championships
15 Mar
Essex 20 - Essex County Road Running Championships
Organised by: ATW
Essex 20
15 Mar
Essex 20
Organised by: ATW
ATW Debden 10k and 5k
15 Mar
ATW Debden 10k and 5k
Organised by: ATW
Siren Craft Brew 10km
15 Mar
Siren Craft Brew 10km
Organised by: Barnes Fitness
Hillingdon 20
22 Mar
Hillingdon 20
Organised by: ATW
Colchester Harriers Essex Under 11 2k Road Race
22 Mar
Colchester Harriers Essex Under 11 2k Road Race
Organised by: Essex Athletics
ATW Run Fest at Lee Valley
22 Mar
ATW Run Fest at Lee Valley
Organised by: ATW
Essex AA and Suffolk AA County Road Relays
22 Mar
Essex AA and Suffolk AA County Road Relays
Organised by: Essex Athletics
Highworth 5 mile road race
22 Mar
Highworth 5 mile road race
Organised by: Highworth Running Club
Fortitude Ultra - Pippingford
28 Mar
Fortitude Ultra - Pippingford
Organised by: ATW
ATW St Albans Easter 10K
03 Apr
ATW St Albans Easter 10K
Organised by: ATW
Dorney Duathlon - April
04 Apr
Dorney Duathlon - April
Organised by: ATW
ATW Stevenage Spring Half Marathon & 10k
06 Apr
ATW Stevenage Spring Half Marathon & 10k
Organised by: ATW
ATW Mallory Park Duathlon - Incorporating the draft-legal Sprint Duathlon Age Group Qualifier (World Championship)
12 Apr
ATW Mallory Park Duathlon - Incorporating the draft-legal Sprint Duathlon Age Group Qualifier (World Championship)
Organised by: ATW
Cambridge Cambourne 10k & Fun Run
12 Apr
Cambridge Cambourne 10k & Fun Run
Organised by: Cambridge and Coleridge AC
ATW Mallory Park Runs
12 Apr
ATW Mallory Park Runs
Organised by: ATW
Cambridge Biomedical Campus 10k, 5k and Fun Run
19 Apr
Cambridge Biomedical Campus 10k, 5k and Fun Run
Organised by: ATW
Dunstable Road Runners 5 mile Race
19 Apr
Dunstable Road Runners 5 mile Race
Organised by: Dunstable Road Runners
Woking Spring Triathlon & Junior Aquathlon
26 Apr
Woking Spring Triathlon & Junior Aquathlon
Organised by: ATW
Dorney Triathlon - May
02 May
Dorney Triathlon - May
Organised by: ATW
ATW St Neots Triathlon - Race 1
03 May
ATW St Neots Triathlon - Race 1
Organised by: ATW
HSV Sprint Triathlon
10 May
HSV Sprint Triathlon
Organised by: ATW
Hatch End-Harrow Triathlon
10 May
Hatch End-Harrow Triathlon
Organised by: Jetstream Tri Club
Alton Ten
10 May
Alton Ten
Organised by: Alton 10
Odyssey 10km
10 May
Odyssey 10km
Organised by: Barnes Fitness
ATW Big East & Maldon Triathlon
16 May
ATW Big East & Maldon Triathlon
Organised by: ATW
Wheathampstead 10k & 2k Fun Run
17 May
Wheathampstead 10k & 2k Fun Run
Organised by: Wheathampstead10k
Hillingdon Cycle Circuit Kids Duathlon
17 May
Hillingdon Cycle Circuit Kids Duathlon
Organised by: Barnes Fitness
ATW Box End Mixed Team Relay
23 May
ATW Box End Mixed Team Relay
Organised by: ATW
The Bewl Water Triathlon
24 May
The Bewl Water Triathlon
Organised by: First Stride
ATW Box End Triathlon
24 May
ATW Box End Triathlon
Organised by: ATW
ATW Centurion 100KM Triathlon Box End
24 May
ATW Centurion 100KM Triathlon Box End
Organised by: ATW
Hatfield Broad Oak 10k
25 May
Hatfield Broad Oak 10k
Organised by: Hatfield Broad Oak 10k
Midweek Dorney Triathlon - May
27 May
Midweek Dorney Triathlon - May
Organised by: ATW
Dorney Triathlon - June
06 Jun
Dorney Triathlon - June
Organised by: ATW
ATW Grafman Middle Distance Triathlon
07 Jun
ATW Grafman Middle Distance Triathlon
Organised by: ATW
ATW St Albans Half Marathon #icelollyrun
14 Jun
ATW St Albans Half Marathon #icelollyrun
Organised by: ATW
Dinton SUPathlon
19 Jun
Dinton SUPathlon
Organised by: Barnes Fitness
ATW Stewartby Lake Triathlon & Aquabike
21 Jun
ATW Stewartby Lake Triathlon & Aquabike
Organised by: ATW
ATW Triathlon - Mallory Park - June
27 Jun
ATW Triathlon - Mallory Park - June
Organised by: ATW
ATW Children’s Triathlon Mallory Park - June
27 Jun
ATW Children’s Triathlon Mallory Park - June
Organised by: ATW
Silsoe Stride
28 Jun
Silsoe Stride
Organised by: Silsoe Stride
Midweek Dorney Triathlon - July
01 Jul
Midweek Dorney Triathlon - July
Organised by: ATW
ATW Odyssey At Box End Triathlon
05 Jul
ATW Odyssey At Box End Triathlon
Organised by: ATW
The Bishop's Stortford Mitre 10k, 5k & 1K
05 Jul
The Bishop's Stortford Mitre 10k, 5k & 1K
Organised by: The Bishop's Stortford High School
Arctic One Tri and Paratri Festival 2026
11 Jul
Arctic One Tri and Paratri Festival 2026
Organised by: Arctic One
ATW Bristol Triathlon
12 Jul
ATW Bristol Triathlon
Organised by: ATW
Dorney Triathlon - July
12 Jul
Dorney Triathlon - July
Organised by: ATW
Castle To Coast Triathlon
18 Jul
Castle To Coast Triathlon
Organised by: ATW
Eton Dorney Family Triathlon
19 Jul
Eton Dorney Family Triathlon
Organised by: Barnes Fitness
ATW St Albans Summer 10K
19 Jul
ATW St Albans Summer 10K
Organised by: ATW
Dorney Triathlon - July
26 Jul
Dorney Triathlon - July
Organised by: ATW
ATW Mallory Park Triathlon - Incorporating the 2027 European Age Group Championship Sprint Triathlon Qualifier.
01 Aug
ATW Mallory Park Triathlon - Incorporating the 2027 European Age Group Championship Sprint Triathlon Qualifier.
Organised by: ATW
ATW Colchester Friday Night Runs
07 Aug
ATW Colchester Friday Night Runs
Organised by: ATW
ATW Odyssey Triathlon
08 Aug
ATW Odyssey Triathlon
Organised by: ATW
ATW Odyssey Aquabike
08 Aug
ATW Odyssey Aquabike
Organised by: ATW
ATW First To Full Triathlon Festival
08 Aug
ATW First To Full Triathlon Festival
Organised by: ATW
Dorney Triathlon - August
08 Aug
Dorney Triathlon - August
Organised by: ATW
ATW St Neots Triathlon - Race 2
08 Aug
ATW St Neots Triathlon - Race 2
Organised by: ATW
ATW Odyssey12
08 Aug
ATW Odyssey12
Organised by: ATW
ATW Oundle Triathlon
16 Aug
ATW Oundle Triathlon
Organised by: ATW
ATW Oundle Children’s Triathlon
16 Aug
ATW Oundle Children’s Triathlon
Organised by: ATW
Midweek Dorney Triathlon - August
26 Aug
Midweek Dorney Triathlon - August
Organised by: ATW
ATW Bedford Running Festival
05 Sep
ATW Bedford Running Festival
Organised by: ATW
Woking Autumn Triathlon & Junior Aquathlon
13 Sep
Woking Autumn Triathlon & Junior Aquathlon
Organised by: ATW
Sandridge 10k
13 Sep
Sandridge 10k
Organised by: Sandridge 10K
ATW St Neots Triathlon - Race3
20 Sep
ATW St Neots Triathlon - Race3
Organised by: ATW
Dorney Triathlon - September
26 Sep
Dorney Triathlon - September
Organised by: ATW
ATW Grafham Triathlon
26 Sep
ATW Grafham Triathlon
Organised by: ATW
Dorney Duathlon - October
03 Oct
Dorney Duathlon - October
Organised by: ATW
ATW Welwyn Half Marathon & 10k
04 Oct
ATW Welwyn Half Marathon & 10k
Organised by: ATW
ATW Neon Run 5K & 10K
16 Oct
ATW Neon Run 5K & 10K
Organised by: ATW
ATW Grafham Duathlon
25 Oct
ATW Grafham Duathlon
Organised by: ATW
ATW Bedford 10k & Half Marathon
01 Nov
ATW Bedford 10k & Half Marathon
Organised by: ATW
ATW Remembrance Runs
07 Nov
ATW Remembrance Runs
Organised by: ATW
Dorney Duathlon - November
08 Nov
Dorney Duathlon - November
Organised by: ATW
ATW Hatfield 5
29 Nov
ATW Hatfield 5
Organised by: ATW
ATW Grafham Water Canicross
06 Dec
ATW Grafham Water Canicross
Organised by: ATW
ATW Grafham Water 10 Mile
06 Dec
ATW Grafham Water 10 Mile
Organised by: ATW
ATW Nottingham Holme Run
20 Dec
ATW Nottingham Holme Run
Organised by: ATW
ATW St Albans New Years Eve 10K
31 Dec
ATW St Albans New Years Eve 10K
Organised by: ATW

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