Triathlon Equipment

Discover Decathlon's wide range of triathlon equipment, designed to optimize performance in every leg of the race. From wetsuits and bikes to running shoes and nutrition, we have everything triathletes need to succeed. Shop online or in-store and prepare to conquer your next triathlon.
103 items
KIPRUN PACK OF 2 PAIRS OF RUN500 FINE CREW RUNNING SOCKS
KIPRUN PACK OF 2 PAIRS OF RUN500 FINE CREW RUNNING SOCKS
Rate: 4.8 stars, 62 votes
£5.99
KIPRUN PACK OF 2 PAIRS OF RUN500 THICK MID-CALF RUNNING SOCKS
KIPRUN PACK OF 2 PAIRS OF RUN500 THICK MID-CALF RUNNING SOCKS
£6.99
KIPRUN PACK OF 2 PAIRS OF RUN 500 THICK MID RUNNING SOCKS
KIPRUN PACK OF 2 PAIRS OF RUN 500 THICK MID RUNNING SOCKS
Gallery item 1 out of 2
KIPRUN PACK OF 2 PAIRS OF RUN 500 THICK MID RUNNING SOCKS
2 colors
£5.99
KIPRUN KIPRUN 500 INV kids comfort running socks 2-pack - black and white
KIPRUN KIPRUN 500 INV kids comfort running socks 2-pack - black and white
Rate: 4.6 stars, 475 votes
£4.99
KIPRUN RUN900 THIN INVISIBLE RUNNING SOCKS
KIPRUN RUN900 THIN INVISIBLE RUNNING SOCKS
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KIPRUN RUN900 THIN INVISIBLE RUNNING SOCKS
Rate: 4.5 stars, 1426 votes
2 colors
£6.99
KIPRUN Run900 Mid-Calf Thick Running Socks - Red/Yellow
KIPRUN Run900 Mid-Calf Thick Running Socks - White/Red
KIPRUN RUN900 EP. MID-CALF RUNNING SOCKS MADE IN FRANCE
KIPRUN RUN900 RUN WILD THICK MIDCALF RUNNING SOCKS - WHITE BLACK
KIPRUN RUN900 MID-CALF THICK RUNNING SOCKS
KIPRUN RUN900 MID-CALF THICK RUNNING SOCKS
KIPRUN Run900 Mid-Calf Thick Running Socks - Black/Red/Yellow
KIPRUN Run900 Mid-Calf Thick Running Socks - White/Red
KIPRUN Run900 Mid-Calf Thick Running Socks - White/Green/Red
KIPRUN Run900 Mid-Calf Thick Running Socks - Green/Red
KIPRUN RUN900 MID-CALF THICK RUNNING SOCKS - PHOSPHORESCENT
Gallery item 1 out of 11
KIPRUN Run900 Mid-Calf Thick Running Socks - Red/Yellow
Rate: 4.7 stars, 478 votes
11 colors
£7.99£9.99
KIPRUN KIPRUN 500 MID kids' running socks 2-pack - navy blue
KIPRUN KIPRUN 500 mid kids' comfort running socks 2-pack - navy and striped green
KIPRUN KIPRUN 500 mid kids' comfort running socks 2-pack - striped and plain purple
KIPRUN Kids' Socks AT 500 Mid 2-Pack - Plain Pink and White Pink Blue Stripes
Gallery item 1 out of 4
KIPRUN KIPRUN 500 MID kids' running socks 2-pack - navy blue
Rate: 4.6 stars, 593 votes
4 colors
£4.99
KIPRUN RUN900 MID-CALF FINE RUNNING SOCKS - BLUE
KIPRUN RUN900 MID-CALF THIN RUNNING SOCKS
KIPRUN RUNNING MID-CALF FINE SOCKS - RUN 900 BLACK
KIPRUN Run900 Mid-Calf Fine Running Socks - Fluo Yellow
Gallery item 1 out of 4
KIPRUN RUN900 MID-CALF FINE RUNNING SOCKS - BLUE
Rate: 4.5 stars, 688 votes
4 colors
£6.99£9.99
KIPRUN ECO-DESIGN RUN900 MID FINE RUNNING SOCKS - WHITE
KIPRUN RUN900 MID FINE RUNNING SOCKS
KIPRUN RUN900 MID FINE RUNNING SOCKS - YELLOW
Gallery item 1 out of 3
KIPRUN ECO-DESIGN RUN900 MID FINE RUNNING SOCKS - WHITE
Rate: 4.6 stars, 3179 votes
3 colors
£7.99
KIPRUN RUNNING MID THICK SOCKS RUN 900 WHITE
KIPRUN RUN900 MID THICK RUNNING SOCKS
KIPRUN RUNNING MID THICK SOCKS - RUN 900 BLACK
KIPRUN RUN900 MID THICK RUNNING SOCKS - YELLOW
KIPRUN RUN900 MID THICK RUNNING SOCKS - BLUE
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KIPRUN RUNNING MID THICK SOCKS RUN 900 WHITE
Rate: 4.6 stars, 3424 votes
5 colors
£7.99
KIPRUN Kids' Athletics Low Socks 3-Pack - black
KIPRUN Kids' Athletics Low Socks 3-Pack - white
Gallery item 1 out of 2
KIPRUN Kids' Athletics Low Socks 3-Pack - black
Rate: 4.6 stars, 821 votes
2 colors
£3.49
KIPRUN PACK OF 2 PAIRS OF RUN 500 THIN INVISIBLE RUNNING SOCKS
KIPRUN PACK OF 2 PAIRS OF RUN 500 THIN INVISIBLE RUNNING SOCKS
Gallery item 1 out of 2
KIPRUN PACK OF 2 PAIRS OF RUN 500 THIN INVISIBLE RUNNING SOCKS
Rate: 4.5 stars, 52 votes
2 colors
£4.99
KIPRUN RUN900 5-TOE RUNNING SOCKS
KIPRUN RUN900 5-TOE RUNNING SOCKS
Rate: 4.3 stars, 1362 votes
£9.99
KIPRUN Running Socks Run 100 3-Pack - white
KIPRUN Running Socks Run 100 3-Pack - black
Gallery item 1 out of 2
KIPRUN Running Socks Run 100 3-Pack - white
Rate: 4.5 stars, 29615 votes
2 colors
£3.99
Was £4.49
KIPRUN RUN900 THICK STRAP RUNNING SOCKS - BLACK
KIPRUN RUNNING THICK STRAP SOCKS - BLACK
KIPRUN Running Thick Socks Run 900 Strap - blue
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KIPRUN RUN900 THICK STRAP RUNNING SOCKS - BLACK
Rate: 4.4 stars, 5144 votes
3 colors
£9.99
KIPRUN Running Mid Socks Run 100 2-Pack
KIPRUN Comfort mid sock
Gallery item 1 out of 2
KIPRUN Running Mid Socks Run 100 2-Pack
Rate: 4.5 stars, 12131 votes
2 colors
£5.99
KIPRUN INVISIBLE RUNNING SOCKS RUN500 X2
KIPRUN RUN500 X2 INVISIBLE RUNNING SOCKS - MAUVE
KIPRUN Running Fine Invisible Socks Run 500 x2 - pink
KIPRUN Run 500 Running Invisible Socks x2 - Pink
Gallery item 1 out of 4
KIPRUN INVISIBLE RUNNING SOCKS RUN500 X2
Rate: 4.6 stars, 15935 votes
4 colors
£2.49£5.99
KIPRUN RUNNING SOCKS WITH FINE STRAPS - BLACK
KIPRUN STRAP THIN RUNNING SOCKS - GREY
Gallery item 1 out of 2
KIPRUN RUNNING SOCKS WITH FINE STRAPS - BLACK
Rate: 4.6 stars, 3704 votes
2 colors
£9.99
KIPRUN KIPRUN 500 low kids' comfort running socks 2-pack - green and pink
KIPRUN KIPRUN 500 low kids' comfort running socks 2-pack - green and pink
Rate: 5.0 stars, 21 votes
£4.99
KIPRUN Running High Socks Run 900 Merino Wool - black
KIPRUN Running High Socks Run 900 Merino Wool - black
Rate: 4.5 stars, 484 votes
£12.99
KIPRUN Run900 Running 5-Finger FIne Socks - Eco-Design - Black
KIPRUN Run900 Running 5-Finger FIne Socks - Eco-Design - Black
Rate: 4.2 stars, 378 votes
£9.99
KIPRUN Kids' Running Socks AT 500 Comfort High 2-Pack - navy green-yellow
KIPRUN Kids' Running Socks AT 500 Comfort High 2-Pack - navy green-yellow
Rate: 4.6 stars, 65 votes
£5.99
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
Gallery item 1 out of 4
PUMA Puma Short Crew Socks (3 Pairs)
Rate: 5.0 stars, 1 votes
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
Gallery item 1 out of 4
PUMA Puma Quarter Training Socks (3 Pairs)
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
1000 MILE 1000 Mile 2265 Trail Sock Twin Pack Ladies
1000 MILE 1000 Mile 2265 Trail Sock Twin Pack Ladies
Gallery item 1 out of 2
1000 MILE 1000 Mile 2265 Trail Sock Twin Pack Ladies
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.20
1000 MILE 1000 Mile 2026 Double Layer Fusion Anklet Sock
1000 MILE 1000 Mile 2026 Double Layer Fusion Anklet Sock
Rate: 5.0 stars, 1 votes
Sold and shipped by Bowls4u T/A 4U Trading Group
£15.66
1000 MILE 1000 Mile 1548 Double Layer Purple Trainer Liner Ladies
1000 MILE 1000 Mile 1548 Double Layer White Trainer Liner Ladies
1000 MILE 1000 Mile 1548 Double Layer Black Trainer Liner
1000 MILE 1000 Mile 1548 Double Layer Hot Pink Trainer Liner Ladies
1000 MILE 1000 Mile 1548 Double Layer Teal Trainer Liner
Gallery item 1 out of 5
1000 MILE 1000 Mile 1548 Double Layer Purple Trainer Liner Ladies
5 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
From £14.00
1000 MILE 1000 Mile 1998 Double Layer Fuchsia Approach Sock Ladies
1000 MILE 1000 Mile 1998 Double Layer Navy Approach Sock Ladies
Gallery item 1 out of 2
1000 MILE 1000 Mile 1998 Double Layer Fuchsia Approach Sock Ladies
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£16.49
1000 MILE 1000 Mile 2275 Walk Sock Twin Pack
1000 MILE 1000 Mile 2275 Walk Sock Twin Pack
Sold and shipped by Bowls4u T/A 4U Trading Group
£21.47
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
Gallery item 1 out of 4
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Red
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Red
Sold and shipped by Bowls4u T/A 4U Trading Group
£12.50
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Grey Ladies
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Black Ladies
Gallery item 1 out of 2
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Grey Ladies
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.32
BRIDGEDALE TRAIL RUN Ultralight T2 Merino Sport 3/4 Crew Women's - Teal blue
BRIDGEDALE TRAIL RUN Ultralight T2 Merino Sport 3/4 Crew Women's - Teal blue
Sold and shipped by Bowls4u T/A 4U Trading Group
From £18.18
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Purple
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Purple
Sold and shipped by Bowls4u T/A 4U Trading Group
£14.37
1000 MILE 1000 Mile 3195 Double Layer Ultimate Lightweight Walk Sock
1000 MILE 1000 Mile 3195 Double Layer Ultimate Lightweight Walk Sock
1000 MILE 1000 Mile 3195 Double Layer Ultimate Lightweight Walk Sock
Gallery item 1 out of 3
1000 MILE 1000 Mile 3195 Double Layer Ultimate Lightweight Walk Sock
3 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.32
1000 MILE 1000 Mile 1466 Activ Socklet
1000 MILE 1000 Mile 1466 Activ Socklet
Sold and shipped by Bowls4u T/A 4U Trading Group
£12.00
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Royal Blue
1000 MILE 1000 Mile Lite Anklet Repreve Double Layer Sock Silver/Royal Blue
Sold and shipped by Bowls4u T/A 4U Trading Group
From £12.50
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
Gallery item 1 out of 7
PUMA Puma Sneaker Invisible Socks (3 Pairs)
7 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
1000 MILE 1000 Mile 2220 2 Season Walking Socks Ladies
1000 MILE 1000 Mile 2220 2 Season Walking Socks Ladies
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.32
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Black
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Grey
Gallery item 1 out of 2
1000 MILE 1000 Mile 100% Recycled Run Anklet 2262 Black
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.32
4.6/5 based on 87688 reviews collected online and in stores

Triathlon Equipment

Prepping for your first triathlon? Whatever stage of the journey you're on, our range of high-performance triathlon equipment for men and women caters to triathletes at every level. Are you racing in a tri suit or a full wetsuit for an open-water swim? You'll want to train in a swim cap and choose neoprene boots for streamlined and insulated movements through the water. For the bike stage, our range of triathlon cycling gear includes carbon frame road bikes, aero helmets, cleated cycling shoes and long-distance race handlebars for lightweight speed so you can focus on your transitions and splits. And for the run finale, whether you're racing a sprint or Olympic distance you'll need a supportive pair of running shoes and a blister prevention plan - choose moisture-wicking and cushioned running socks so you can focus on a strong finish Find everything you need for your swim, bike, and run in Decathlon's triathlon shop, ensuring you're well-equipped to conquer your next race.