By using this website you agree to our
RaceTypeRunningAll distances
CloseSelect distance
CalendarAdd date
CloseSelect date
LocationPinAdd location
CloseAdd location
Popular locations
Benefits of booking with Let’s Do This
Tick
Best price guarantee
trustpilot

100km Runs

176 events found
LocationPin
Open map
  • Route
    Trail
    Calendar

    Sat, 11th Sep

    Thames Path Challenge
    LocationPin

    London, Greater London

    Participants

    ultramarathon and more

    5

    (1 reviews)

    FilledTicket£10 – £198
    Booking perksGreat atmosphereGreat scenery
  • Route
    Trail
    Calendar

    Sat, 4th Sep

    South Coast Challenge
    LocationPin

    Eastbourne, East Sussex

    Participants

    ultramarathon and more

    5

    (1 reviews)

    FilledTicket£5 – £198
    Booking perksGreat atmosphereGreat scenery
  • Route
    Road
    Calendar

    Sat, 18th Sep

    Beyond Badminton Trail
    LocationPin

    South Gloucestershire, South Gloucestershire

    Participants

    ultramarathon, marathon, half marathon, 10k, 5k

    FilledTicket£15 – £40
    Booking perksGreat atmosphereGreat scenery
  • Route
    Trail
    Calendar

    Sat, 25th Sep

    Chiltern 50 Challenge
    LocationPin

    Henley-on-Thames, Buckinghamshire

    Participants

    ultramarathon and more

    FilledTicket£5 – £129
    Booking perksGreat atmosphereGreat scenery
  • Calendar

    Sat, 2nd Oct

    Trail Pursuit Brecon Beacons
    LocationPin

    Talybont-on-Usk, Powys

    Participants

    ultramarathon, marathon, half marathon, 10k, 5k and more

    FilledTicket£24 – £154
    Booking perksGreat atmosphere
  • Route
    Trail
    Calendar

    Sun, 10th Jul 2022

    XTERRA Snowdonia Trail Marathon
    LocationPin

    Caernarfon, Gwynedd

    Participants

    ultramarathon, marathon, half marathon, 10k

    5

    (4 reviews)

    FilledTicket£28 – £86.94
    Booking perksGreat atmosphereGreat scenery
  • Calendar

    Sat, 13th Nov

    Race to Remember
    LocationPin

    Aldershot, Hampshire

    Participants

    ultramarathon, 10k and more

    FilledTicket£20 – £75
    Booking perks
  • Route
    Trail
    Calendar

    Sat, 11th Jun 2022

    The Broads Walk Challenge
    LocationPin

    Acle, Norfolk

    Participants

    ultramarathon and more

    FilledTicket£42.54 – £97.92
    Booking perksGreat scenery
  • Calendar

    Sun, 15th Aug

    Salisbury Plain Marathon, Half Marathon & 50 Mile
    LocationPin

    Tidworth, Wiltshire

    Participants

    marathon, half marathon, ultramarathon

    4.5

    (1 reviews)

    FilledTicket£28 – £55
    Booking perks
  • Route
    Trail
    Calendar

    Sun, 22nd Aug

    The Great Hertfordshire AONB Run Event
    LocationPin

    Hitchin, Hertfordshire

    Participants

    ultramarathon, marathon, half marathon, 10k

    FilledTicket£20 – £60
    Booking perksGreat scenery
  • Route
    Trail
    Calendar

    Sat, 28th Aug

    Drovers Ultra
    LocationPin

    Crieff, Perth and Kinross

    Participants

    ultramarathon

    FilledTicket£55
    Booking perksGreat scenery
  • Calendar

    Sat, 28th Aug

    Running Tribe Series - Race 8, Course 2
    LocationPin

    Chalfont Saint Peter, Buckinghamshire

    Participants

    10k, half marathon, marathon, ultramarathon

    FilledTicket£41.30 – £48
    Booking perks
  • Route
    Trail
    Calendar

    Sat, 28th Aug

    The Summer Green Man Ultra
    LocationPin

    Bower Ashton, Bristol City

    Participants

    ultramarathon

    FilledTicket£10 – £170
    Booking perks
  • Calendar

    Sat, 4th Sep

    Rock Hard Coast Trails
    LocationPin

    Kingsbridge, Devon

    Participants

    5k, 10k, half marathon, marathon, ultramarathon and more

    FilledTicket£14 – £42
    Booking perks
  • Calendar

    Fri, 17th Sep

    Peak District Challenge
    LocationPin

    Hathersage, Derbyshire

    Participants

    ultramarathon, 10k and more

    5

    (2 reviews)

    FilledTicket£21 – £97.50
    Booking perksGreat scenery
  • Calendar

    Sat, 18th Sep

    Maverick adidas Terrex Frontier North Downs
    LocationPin

    Guildford, Surrey

    Participants

    ultramarathon, marathon, half marathon, 10k

    FilledTicket£30 – £60
    Booking perks
  • Route
    Trail
    Calendar

    Sat, 18th Sep

    The Fox Ultra, Marathon & Half Marathon
    LocationPin

    Godalming, Surrey

    Participants

    ultramarathon, marathon, half marathon

    5

    (35 reviews)

    FilledTicket£34 – £64
    Booking perks
  • Route
    Trail
    Calendar

    Sat, 18th Sep

    The Purbeck Running Festival - Ultra, Marathon, 16 Mile, & 3 Mile
    LocationPin

    Swanage, Dorset

    Participants

    marathon, ultramarathon, 5k, 10k and more

    FilledTicket£11 – £54
    Booking perksGreat scenery
  • Route
    Trail
    Calendar

    Sat, 25th Sep

    Ochil Ultra
    LocationPin

    Perth, Perth and Kinross

    Participants

    ultramarathon

    FilledTicket£53 – £60
    Booking perksGreat scenery
  • Calendar

    Sat, 25th Sep

    Running Tribe Series - Race 9, Course 3
    LocationPin

    Chalfont Saint Peter, Buckinghamshire

    Participants

    10k, half marathon, marathon, ultramarathon

    FilledTicket£41.30 – £48
    Booking perks
  • Calendar

    Sat, 2nd Oct

    Maverick Adidas Terrex Frontier Ox Drove
    LocationPin

    Netherhampton, Wiltshire

    Participants

    ultramarathon, marathon, half marathon, 10k

    FilledTicket£30 – £63
    Booking perks
  • Calendar

    Fri, 8th Oct

    Atlantic Coast Challenge
    LocationPin

    Upton Towans, Cornwall

    Participants

    ultramarathon, marathon

    FilledTicket£65 – £180
    Booking perks
  • Calendar

    Sat, 9th Oct

    Atlantic Coast Ultra
    LocationPin

    Upton Towans, Cornwall

    Participants

    ultramarathon

    FilledTicket£80 – £135
    Booking perks
  • Calendar

    Sat, 23rd Oct

    Running Tribe Series - Race 10, Course 1
    LocationPin

    Chalfont Saint Peter, Buckinghamshire

    Participants

    10k, half marathon, marathon, ultramarathon

    FilledTicket£41.30 – £48
    Booking perks
Showing 1 - 24 of 176 events
Previous123
8Next