TRIATHLON EVENTS.
Browse 21 upcoming triathlon events across the UK. Find races, competitions, and community events near you.
Triathlon by City
Upcoming Triathlon Events
TRIATHLON
Marlow Triathlon
19 JUL·MARLOW
From
£72
TRIATHLON
Outlaw Triathlon (Full)
26 JUL·NOTTINGHAM
From
£34.99
TRIATHLON
Snowman Triathlon
26 JUL·LLANBERIS·STANDARD
From
£200
TRIATHLON
Dorney Lake Triathlon 26th July
26 JUL·WINDSOR
From
£60
TRIATHLON
Wales SwimRun
1 AUG·PEMBROKE·SWIMRUN
From
£135
TRIATHLON
London Triathlon
1 AUG·LONDON
From
£34.99
TRIATHLON
Dorney Lake Triathlon August
8 AUG·WINDSOR
From
£60
TRIATHLON
ATW St Neots Triathlon - Race 2
8 AUG·ST NEOTS
From
£73.14
TRIATHLON
Aberfeldy Triathlon
16 AUG·ABERFELDY
From
£34.99
TRIATHLON
Dorney Lake Evening Triathlon - August
26 AUG·WINDSOR
From
£60
TRIATHLON
BOX END MASS START SWIM 3 of 3 2026
29 AUG·BEDFORD
From
£15
TRIATHLON
Dorney Lake Triathlon August
30 AUG·WINDSOR
From
£60
TRIATHLON
Triathlon Y Bala
6 SEPT·BALA·STANDARD
From
£5
TRIATHLON
Saundersfoot Triathlon
11 SEPT·SAUNDERSFOOT·SPRINT
From
£94.95
TRIATHLON
ATW St Neots Triathlon - Race3
20 SEPT·ST NEOTS
From
£62.54
Frequently Asked
How many triathlon events are there in the UK?
There are 21 upcoming triathlon events listed on Upforit across the UK. New events are added every week.
Where can I find triathlon events near me?
Browse triathlon events by city above, or use the events page location filter to find events near your postcode.
More Event Types
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