There are 20 upcoming 10k races in Hertfordshire listed. Next up: Halloween Hobble: 5K,10K, HALF MARATHON, FULL MARATHON & ULTRA-MARATHON (Saturday, 31 October 2026), Brewery Trail Run (Saturday, 21 November 2026), ATW Stevenage Winter Half Marathon & 10k (Sunday, 13 December 2026).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
ATW Stevenage Winter Half Marathon & 10k takes place in Stevenage on 13 December 2026. Organised by Active Training World. Published venue: Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
St Albans · Highfield Park, St Albans, Hertfordshire
ATW St Albans Easter 10K takes place in St Albans on 26 March 2027. Organised by Active Training World. Published venue: Highfield Park, St Albans, Hertfordshire. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
ATW Stevenage Spring Half Marathon & 10k takes place in Stevenage on 29 March 2027. Organised by Active Training World. Published venue: Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
St Albans · Hertfordshire County Show, Dunstable Road, St Albans AL3 7PT, UK
Inflatable 5K - St Albans is organised by UK Running Events in St Albans. Entry options: 5K; 2.5K; 10K; 15K. The course surface has not been confirmed.
Ware · Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
Circuit Du Sore Legs is organised by Zig Zag Running in Ware. Entry options: Bespoke Event Medal - 10k; Bespoke Event Medal - 5k; Bespoke Event Medal - 6 hours; Bespoke Event Medal - Full Marathon; Bespoke Event Medal - Half Marathon; Bespoke Event Medal - Ultra Marathon.
Watford · Cassiobury Park, Off Cassiobury Park Avenue, WD18 7LG
A 10km fundraising run for Cancer Research UK at Cassiobury Park in Watford. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
ATW St Albans Half Marathon #icelollyrun takes place in St Albans on 13 June 2027. Organised by Active Training World. Published venue: Verulamium Park, St Albans AL1 2DL. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
Stevenage · Fairlands Valley Park, Broadhall Way, SG2 8QJ
A 10km fundraising run for Cancer Research UK at Fairlands Valley Park in Stevenage. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
St Albans · Highfield Park, St Albans, Hertfordshire
ATW St Albans Summer 10K takes place in St Albans on 18 July 2027. Organised by Active Training World. Published venue: Highfield Park, St Albans, Hertfordshire. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
St. Albans · Verulamium Park, Holywell Hill, AL1 2DL
A 10km fundraising run for Cancer Research UK at Verulamium Park in St. Albans. Participants can run, jog or walk at their own pace. The organiser asks each participant to aim to raise £50.00.
Welwyn Garden City · Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
ATW Welwyn Half Marathon & 10k takes place in Welwyn Garden City on 03 October 2027. Organised by Active Training World. Published venue: Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
