Ten swimmers, one private lane, one hundred 100s each. A hard, fun, 10km morning by the sea. Take it on with us.
Run by Tumbl · meet 8.45am for a dry-land warm-up
That's 10km. At Sea Lanes, where the pool's 50m, it comes to 200 lengths. You swim a 100, take the rest you've earned, and go again. Then you do that ninety-nine more times.
Everyone swims their own 100s, side by side, all chasing the same number. You'll start together and finish together, and somewhere around rep 60 you'll be very glad of the nine other people grinding through it next to you. Getting each other to the end is the best bit of the whole day.
Every 100 leaves on a set time. Here's how it works.
We start a new 100 on a set time, likely every 1:45 to 2:00. Swim your 100, and whatever time is left before the next send-off is your rest. Swim it quicker, rest a bit longer.
That's why pace matters more than speed here. Pick one you can repeat and the whole set settles into a rhythm.
10km is a long way. This one is for people who already know they can cover the distance, or are close to it.
This is your kind of morning if:
Not sure the pace is right for you? Drop us a note and we'll work it out together. Better to sort it now than halfway through rep 50.
Your job is the 100 × 100. We've got everything else.
One lane, ten swimmers, ours for the morning. No weaving around the public, no stopping at the wall to let someone past.
We set the send-off and keep the morning on track. You just turn up, follow the clock, and swim.
Nine other swimmers taking on exactly the same thing, in the lane right next to you. You'll pull each other through the back half.
We line it up so everyone lands the last 100 together. Then we're out, dry, and onto the seafront to celebrate pulling it off.
Gather on the deck to get the shoulders moving before we get in. We settle on the turnaround time together here too.
Into the water and away. We keep the send-off ticking over while you find your rhythm and settle in for the long one.
The set lands on number 100 and we swim it home as a group. That's 10km done.
Out of the pool, into something warm, and onto the seafront with the group. Talking about it afterwards is half the fun.
A 50m outdoor pool right on Brighton seafront, heated to 19°C to match the summer sea. The UK's National Open Water Swimming Centre. A proper place to take on a proper distance.
Sea Lanes, Brighton · photo via sealanesbrighton.co.uk
On the seafront, east of Brighton Pier along Madeira Drive.
About a 15 min walk from Brighton station.
Pay and display parking along Madeira Drive.
Register your interest with your name and email. The first 10 get a place, and we'll email you to confirm and sort the £30. Anyone after that goes on the reserve list, in case a spot opens up.
£30 per swimmer. That's the private lane for the morning, with the whole thing organised and run so all you have to do is swim.
You take the rest you earn between each 100, and you can take a longer breather whenever you need one. You're here to get it done and enjoy it. We'd rather you stop for a drink and carry on than blow up at rep 70.
If you can hold around 1:30 to 1:50 per 100, a 1:45 to 2:00 send-off leaves you a bit of rest each time, so you're not chasing the clock. Not sure where your pace lands? hello@tumblswim.com and we'll work it out together. No pressure either way.
It depends on the send-off we settle on. On a 2-minute turnaround the set takes about three and a quarter hours, so from a 9am start you'd finish around 12.30pm. We've got the lane until 1pm either way, so keep your late morning clear.
Freestyle is what the turnaround is built around. If you want to drop in the odd 100 of another stroke to break it up, that's your call, just keep an eye on the send-off.
Your usual kit: costume, cap, goggles, towel. Bring a drink and a snack for the lane side. It's a long set, so something to nibble between reps helps. Pack something warm to throw on between reps too.
Neither. There's a send-off clock to swim to, but nobody's racing anybody and we're not posting times. Everyone swims their own 100s, and the only target is finishing all 100.
Sea Lanes is heated to 19°C, the same as the sea in summer. It's an outdoor pool, so pack something warm for the breaks and after.
Saturday 22 August · 9am · Sea Lanes, Brighton. Ten swimmers, one lane, 10km. Grab a spot before they go.
First 10 to register get a place. We'll email to confirm and sort payment.