Hundreds of runners braved grey skies and a healthy covering of mud to raise funds for vital cancer research.

Races took place at the Norfolk Showground on Sunday, with children's and adults Pretty Muddy courses as well as five and 10-kilometre Race for Life events.

They were held in aid of Cancer Research UK.

Here are some of our photos of the day - please send any you took to raceforlife@archant.co.uk

Eastern Daily Press: Max and Ethan after the Pretty Muddy Kids obstacle course at the Norfolk Showground.Max and Ethan after the Pretty Muddy Kids obstacle course at the Norfolk Showground. (Image: Michelle Bartram)

Eastern Daily Press: Isla Papworth, age 11, and Jameson Gibson, age 9, at the finish line.Isla Papworth, age 11, and Jameson Gibson, age 9, at the finish line. (Image: Kimberley Papworth)

Eastern Daily Press: Finley ran the 5k Pretty Muddy Kids in memory of his Grandad who he sadly lost in August 2020. He raised lots of money for a very good cause. We'll done Fin. Grandad would be proud of his little squirt.Finley ran the 5k Pretty Muddy Kids in memory of his Grandad who he sadly lost in August 2020. He raised lots of money for a very good cause. We'll done Fin. Grandad would be proud of his little squirt. (Image: Chloe Carvell)

Eastern Daily Press: Toby Barber, age 10, completed the Kids Pretty Muddy 5k at the Norfolk Showground. He raced for his nanny, who is battling cancer for the third time. He raised £115.00 and we are all very proud of him.Toby Barber, age 10, completed the Kids Pretty Muddy 5k at the Norfolk Showground. He raced for his nanny, who is battling cancer for the third time. He raised £115.00 and we are all very proud of him. (Image: Laura Barber)

Eastern Daily Press: Harry Smith, age 7, completed the Race for Life Pretty Muddy Kids 5K at the Norfolk Showground.Harry Smith, age 7, completed the Race for Life Pretty Muddy Kids 5K at the Norfolk Showground. (Image: Hayley Smith)

Eastern Daily Press: Christopher Norris, Louise Norris and Harry Smith Harry Smith completed the Race for Life Pretty Muddy Kids 5K at the Norfolk Showground.Christopher Norris, Louise Norris and Harry Smith Harry Smith completed the Race for Life Pretty Muddy Kids 5K at the Norfolk Showground. (Image: Hayley Smith)

Eastern Daily Press: Alanna Fernee ran with daughter Sofia who completed the Kids Pretty Muddy 5K at the Norfolk Showground before running the adult one herself.Alanna Fernee ran with daughter Sofia who completed the Kids Pretty Muddy 5K at the Norfolk Showground before running the adult one herself. (Image: Glen Fernee)

Eastern Daily Press: Sofia Fernee running the Pretty Muddy Kids 5K at the Norfolk Showground for Cancer ResearchSofia Fernee running the Pretty Muddy Kids 5K at the Norfolk Showground for Cancer Research (Image: Glen Fernee)

Eastern Daily Press: Lucas, aged 9, and Mia, aged 6, ran the Pretty Muddy Kids 5k at the Norfolk Showground.Lucas, aged 9, and Mia, aged 6, ran the Pretty Muddy Kids 5k at the Norfolk Showground. (Image: Sami Withers)

Eastern Daily Press: Joe having completed the Race for Life Pretty Muddy Kids 5k run at the Norfolk ShowgroundJoe having completed the Race for Life Pretty Muddy Kids 5k run at the Norfolk Showground (Image: Gareth Thomson)

Eastern Daily Press: Isla Rebbeck, age 7, and Brooke Rebbeck, age 9, at the start line for the Race for Life Pretty Muddy Kids 5k at the Norfolk Showground.Isla Rebbeck, age 7, and Brooke Rebbeck, age 9, at the start line for the Race for Life Pretty Muddy Kids 5k at the Norfolk Showground. (Image: Danny and Laura Rebbeck)

Eastern Daily Press: Isla Rebbeck, age 7, and Brooke Rebbeck, age 9, from North Walsham slide into the mud during the Pretty Muddy Kids 5k at the Norfolk Showground.Isla Rebbeck, age 7, and Brooke Rebbeck, age 9, from North Walsham slide into the mud during the Pretty Muddy Kids 5k at the Norfolk Showground. (Image: Danny and Laura Rebbeck)

Eastern Daily Press: Water pistols add to the fun of both the adults' and childrens' Pretty Muddy 5k at the Norfolk Showground.Water pistols add to the fun of both the adults' and childrens' Pretty Muddy 5k at the Norfolk Showground. (Image: Danny and Laura Rebbeck)

Eastern Daily Press: Brooke Rebbeck, age 9, and Isla Rebbeck, age 7, from North Walsham after completing the Pretty Muddy Kids 5k.Brooke Rebbeck, age 9, and Isla Rebbeck, age 7, from North Walsham after completing the Pretty Muddy Kids 5k. (Image: Danny and Laura Rebbeck)

Eastern Daily Press: Ian, Adam and Shane running Race for Life's Pretty Muddy 5k together for Oaklands Residential Home, Southwold.Ian, Adam and Shane running Race for Life's Pretty Muddy 5k together for Oaklands Residential Home, Southwold. (Image: Saffron Wright)

Eastern Daily Press: Running the Pretty Muddy 5k for Oaklands Residential Home, Southwold.Running the Pretty Muddy 5k for Oaklands Residential Home, Southwold. (Image: Saffron Wright)

Eastern Daily Press: Before Race for Life's Pretty Muddy 5K at the Norfolk Showground in memory of Kirsty's mother-in-law.Before Race for Life's Pretty Muddy 5K at the Norfolk Showground in memory of Kirsty's mother-in-law. (Image: Kirsty Cater)

Eastern Daily Press: After Race for Life's Pretty Muddy 5K at the Norfolk Showground in memory of Kirsty's mother-in-law.After Race for Life's Pretty Muddy 5K at the Norfolk Showground in memory of Kirsty's mother-in-law. (Image: Kirsty Cater)

Eastern Daily Press: Race for Life at the Norfolk Showground.Race for Life at the Norfolk Showground. (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life 2021 at the Norfolk ShowgroundRace for Life 2021 at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Smiles after completing the Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundSmiles after completing the Race for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life events get underway at the Norfolk Showground.Race for Life events get underway at the Norfolk Showground. (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life at the Norfolk Showground, October 2021.Race for Life at the Norfolk Showground, October 2021. (Image: Jessica Coppins/Archant 2021)

Eastern Daily Press: Race for Life's Pretty Muddy 5k at the Norfolk ShowgroundRace for Life's Pretty Muddy 5k at the Norfolk Showground (Image: Jessica Coppins/Archant)