TRIATHLON EVENTS.
Browse 35 upcoming triathlon events across the UK. Find races, competitions, and community events near you.
Upcoming Triathlon Events
TRIATHLON
Fishguard Multi Sport Festival
5 JUN·FISHGUARD
From
£13.50
TRIATHLON
Fishguard Aquabike
6 JUN·FISHGUARD·SPRINT
From
£75
TRIATHLON
Wales Triathlon
6 JUN·FISHGUARD·STANDARD
From
£79
TRIATHLON
Dorney Lake Triathlon - June
6 JUN·WINDSOR
From
£60
TRIATHLON
Slateman Triathlon & Duathlon
14 JUN·CAERNARFON·MULTI_DISTANCE
From
£5
TRIATHLON
IRONMAN 70.3 Staffordshire
14 JUN·STAFFORDSHIRE
From
£34.99
TRIATHLON
Long Course Weekend Wales
26 JUN·TENBY·MULTI_DAY
From
£13.50
TRIATHLON
Llandudno Triathlon & Duathlon
28 JUN·LLANDUDNO
From
£26.74
TRIATHLON
Wild Horse Llandudno Triathlon & Duathlon
28 JUN·LLANDUDNO·STANDARD
From
TBC
TRIATHLON
Dorney Lake Evening Triathlon - July
1 JUL·WINDSOR
From
£60
TRIATHLON
IRONMAN UK
5 JUL·BOLTON
From
£34.99
TRIATHLON
Breca Swimrun Lake District
11 JUL·LAKE DISTRICT
From
£34.99
TRIATHLON
BOX END MASS START SWIM 2 of 3 - 2026
11 JUL·BEDFORD
From
£15
TRIATHLON
Dorney Lake Triathlon - July
12 JUL·WINDSOR
From
£60
TRIATHLON
Marlow Triathlon
19 JUL·MARLOW
From
£72
Frequently Asked
How many triathlon events are there in the UK?
There are 35 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.
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