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Get the appUnited Kingdom has 148 upcoming Triathlon events across distances like 0K, 1K, 2K, 3K, 4K, 5K, 6K, 7K, 9K, 10K, 11K, 12K, 13K, 14K, 18K, 20K, 21K, 22K, 23K, 24K, 25K, 26K, 27K, 28K, 29K, 30K, 32K, 33K, 35K, 40K, 42K, 44K, 48K, 49K, 50K, 52K, 55K, 60K, 63K, 66K, 80K, 90K, 92K, 93K, 101K, 112K, 113K, 116K, 201K. Recent additions include The Northumbrian, ATW Triathlon - Mallory Park - June, The SAXON Triathlon & Multisport Festival.
148 events
27
The Northumbrian
Sat, Jun 27, 2026Hexham, United Kingdom
27
ATW Triathlon - Mallory Park - June
Sat, Jun 27, 2026Leicester, United Kingdom
28
The SAXON Triathlon & Multisport Festival
Sun, Jun 28, 2026Northampton, United Kingdom
28
The Original Swanage Triathlon Festival
Sun, Jun 28, 2026Swanage, United Kingdom
28
Wild Horse Brewing Co. Llandudno Triathlon & Duathlon 2026
Sun, Jun 28, 2026Llandudno, United Kingdom
28
Saxon Triathlon
Sun, Jun 28, 2026Northampton, United Kingdom
28
As Keen As Mustard Grafham Water Swimrun Event
Sun, Jun 28, 2026Huntingdon, United Kingdom
28
Ullswater Epicman Triathlon & Multisport
Sun, Jun 28, 2026Penrith, United Kingdom
1
Dorney Lake Evening Triathlon July 2026
Wed, Jul 1, 2026Windsor, United Kingdom
1
Capernwray Mid Week Series July
Wed, Jul 1, 2026Carnforth, United Kingdom
4
Outlaw Holkham Weekend 2026
Sat, Jul 4, 2026Wells-next-the-Sea, United Kingdom
4
FixAddiction Triathlon
Sat, Jul 4, 2026Windsor, United Kingdom
4
Windermere Triathlons & Duathlons 2026
Sat, Jul 4, 2026Windermere, United Kingdom
4
Outlaw Holkham Weekend
Sat, Jul 4, 2026Wells-next-the-Sea, United Kingdom
4
FixAddiction Triathlon
Sat, Jul 4, 2026Windsor, United Kingdom
5
North Wales Triathlon & Aquathlon July 2026
Sun, Jul 5, 2026Mold, United Kingdom
5
Hitchin Triathlon
Sun, Jul 5, 2026Hitchin, United Kingdom
5
Swashbuckler On Tour
Sun, Jul 5, 2026Ringwood, United Kingdom
5
The Bridge Triathlon
Sun, Jul 5, 2026Dartford, United Kingdom
5
Pembrokeshire Coast Triathlon
Sun, Jul 5, 2026Haverfordwest, United Kingdom
5
The Kilkerran MOK Tri Series 2026 - Race 2
Sun, Jul 5, 2026Campbeltown, United Kingdom
8
SWMA Tri Series Race 3
Wed, Jul 8, 2026Wotton-under-Edge, United Kingdom
11
Dorney Lake Triathlon July 2026
Sat, Jul 11, 2026Windsor, United Kingdom
11
2026 Upton Triathlon
Sat, Jul 11, 2026Worcester, United Kingdom
11
Cheltenham Tri in the Park Junior & Adult Triathlon
Sat, Jul 11, 2026Cheltenham, United Kingdom
11
Ripon Triathlon Festival 2026
Sat, Jul 11, 2026Ripon, United Kingdom
11
Nairn Triathlon Festival
Sat, Jul 11, 2026Nairn, United Kingdom
11
St Agnes Swimrun
Sat, Jul 11, 2026Isles of Scilly, United Kingdom
12
Eastbourne Triathlon and Multiport Festival
Sun, Jul 12, 2026Eastbourne, United Kingdom
12
The One on the River - Marlow Summer Triathlon
Sun, Jul 12, 2026Marlow, United Kingdom
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