Swimming marathon checklist: what to arrange and when

A swimming marathon needs more than lanes and a stopwatch. You need a confirmed pool, trained safety cover, clear race rules, accurate lap counting and a registration process that works before the first swimmer arrives. This checklist takes you from permits and entries to the final poolside setup. Use it to decide what must be booked weeks ahead, what can wait until race week and what should be checked on the morning itself.

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The plan, step by step

Every task with its own sub-checklist, in the order you'll actually need them.

Preparations

Reserve a swimming location
Confirm event date
Prepare safety plan
2 people
Check permits
Schedule lifeguards
Arrange first aid staffing
Publish registration form
Send invitations
2 people
Publish the competition rules
Process registrations
2 people
Collect dietary requirements
Assign starter groups
2 people
Prepare race numbers
2 people
Order prizes and medals
Book catering
Inventory supplies
2 people
Do the shopping
3 people
Chill drinks
2 people
Prepare snacks
3 people
Check route and water area
3 people
Mark out the swimming lanes
3 people
Set up tables and chairs
4 people
Set up registration desk
2 people
Set up the first aid station
2 people
Check changing rooms
2 people
Set up signage
2 people
Test audio and microphone
2 people
Test timekeeping
3 people

Event

Give the safety briefing
4 people
Welcome volunteers
2 people
Register participants
4 people
Hand out race numbers
2 people
Hand out swim caps
2 people
Bring participants to the start
3 people
Give the signal
2 people
Monitor swimming safety
6 people
Register laps
4 people
Guide participants
4 people
Distribute water and fruit
3 people
Refill drinks
2 people
Serve snacks
3 people
Serve coffee and tea
2 people
Keep the pool area clean
2 people
Empty trash bins
2 people
Announce interim results
Announce the final round
Register finishers
3 people
Welcome participants
3 people
Present medals
3 people
Announce the final result
See participants off
2 people

Aftercare

Clear away swimming equipment
4 people
Clear tables and chairs
4 people
Switch off equipment
2 people
Wash dishes
3 people
Collect waste
3 people
Clean the venue
4 people
Collect lost and found items
Send results digitally
Share participant photos
Return rental items
2 people
Store leftover stock
2 people
Handle the deposit and keys

What to bring

Grouped the way you'd shop for it, with quantities.

Furniture

Party tentsqty 3
Tablesqty 10
Chairsqty 80
Registration desk
Clothes racksqty 4
Waste binsqty 8
Beer tablesqty 4

Sports equipment

Swimming lanesqty 8
Starting blocksqty 8
Life ringsqty 6
Rescue linesqty 6
Rescue tubesqty 6
Stopwatchqty 6
Scoreboardsqty 8
Round countersqty 8
Swimming gogglesqty 12
Spare swim capsqty 20
Bib numbersqty 120
Medal ribbonsqty 120
Sports towelsqty 20
Drink bottlesqty 120
Dressing room binsqty 8
Waterproof scorecardsqty 150
Clipboardsqty 12
Markersqty 24
Conesqty 20
First aid kitqty 2
Emergency blanketsqty 20
Whistlesqty 12
Reflective vestsqty 20
Medalsqty 120
Reusable cupsqty 3

Equipment

Sound system
Wireless microphonesqty 2
Speakersqty 2
Extension cordsqty 6
Power stripsqty 6
Mobile chargersqty 6
Laptop
Printer
Payment terminalqty 2
Thermos flasksqty 8
Coolersqty 8
Hot platesqty 2

Tableware

Reusable cupsqty 150
Coffee cupsqty 150
Platesqty 150
Soup bowlsqty 100
Cutlery setsqty 150
Serving spoonsqty 12
Coffee spoonsqty 80
Soup ladlesqty 100

Lighting

LED lampsqty 8
String lightsqty 6
Battery lanternsqty 6
Spare batteriesqty 24

Decorations

Bannersqty 6
Directional signsqty 20
Start sign
Finish sign

Cleaning

Mopsqty 4
Bucketsqty 4
Broomsqty 4
Litter pickersqty 3

Kitchen

Cutting boardsqty 6
Chef's knifeqty 4
Serving plattersqty 16
Thermos cupsqty 12
Soup kettlesqty 4

Catering

Groceries

Tips

Confirm the venue, date and permits before opening registration. Ask the pool which lanes, changing rooms and water zones are available, then build the safety plan around that layout.
Set deadlines for entries, dietary requirements and starter groups. Close registrations early enough to prepare race numbers, waterproof scorecards and group assignments rather than doing them at check-in.
Schedule more than swimmers: assign lifeguards, first-aid cover, starters, lap counters and finish-time recorders. Put every role and shift on a written roster at least 7 days before the marathon.
Test the race equipment before race day. Check that lane lines, starting blocks, life rings, rescue lines, rescue tubes, stopwatches and lap counters are present and usable, with spare swim caps and goggles available.
Plan the poolside flow before setup starts. Place registration, changing-room access, first aid, drinks and waste bins where people can reach them without blocking the lanes, and cool drinks before the first start.

Frequently asked questions

How far in advance should I organise a swimming marathon?: Start venue, permit and safety planning at least 8 to 12 weeks ahead. Open registration only after the date, pool layout, officials and safety coverage are confirmed.
How many lifeguards do I need for a swimming marathon?: There is no single number for every pool: follow the venue’s rules and local requirements. Confirm the required lifeguard-to-swimmer coverage with the pool at least 4 weeks before the event and record every shift.
When should swimming marathon registration close?: Close registration 7 to 14 days before the event if you need to assign starter groups, prepare bib numbers and order medals. Keep a short exception window only if it will not affect safety numbers or race administration.
What equipment is needed for a swimming marathon?: Plan for lane lines, starting blocks, stopwatches, scoreboards or lap counters, waterproof scorecards, rescue equipment and communication equipment. Check the full inventory 7 days before the event and again on setup day.

Start this plan in Lizzt

Every task and item on this page, ready in your own event. Invite people, split the work, and see who has done what.