Swimming Marathon Checklist

A swimming marathon needs more than a pool booking and a list of participants. You need a clear timeline for permits, insurance, registration, fundraising, safety, lane assignments, volunteers, catering, and awards. Start with the venue, date, and operating hours, then build the participant process around the pool’s capacity. In the final weeks, confirm supervision, publish the program, prepare start groups, and check every route and piece of timing equipment before participants arrive.

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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
Record date and times
2 people
Check permits
Check insurance
Set fundraising goal
2 people
Draft participant terms and conditions
2 people
Create registration form
Set up payment method
Open registrations
Send invitations
2 people
Post promotion online
Send sponsorship packages
2 people
Process registrations
2 people
Collect dietary requirements
Recruit volunteers
2 people
Confirm supervisors
Order catering
Order medals
Order T-shirts
Publish the program
Develop safety plan
2 people
Check evacuation routes
2 people
Create lane layout
2 people
Assign starter groups
2 people
Assign start numbers
2 people
Email participant information
Email volunteer instructions
Check the weather forecast
Pick up groceries
2 people
Prepare materials
3 people
Check the baths and changing rooms
2 people
Set up tables and chairs
4 people
Set up registration desk
2 people
Set up the catering area
3 people
Place lane markers
2 people
Prepare safety equipment
2 people
Hang up decorations
2 people
Test audio and microphone
2 people
Chill food and drinks
2 people
Lay out bib numbers
2 people
Print registration lists
Give volunteer briefing
3 people

Event

Receive participants
4 people
Hand out starter packs
3 people
Guide participants to their lanes
3 people
Give the opening speech
Start the swim marathon
2 people
Monitor lanes and safety
4 people
Register laps
4 people
Track live scores
2 people
Encourage participants
2 people
Refill drinks
2 people
Restock fruit and snacks
2 people
Serve coffee and tea
2 people
Empty trash bins
2 people
Explain sponsor information
Register donations
2 people
Monitor breaks for participants
2 people
Announce end time
Register final laps
4 people
See participants off
3 people
Present prizes and medals
3 people
Announce the final amount

Aftercare

Clean up catering
3 people
Clear tables and chairs
4 people
Remove decorations
2 people
Sort materials
3 people
Clean the bath and stands
3 people
Check changing rooms
2 people
Collect waste
3 people
Return borrowed materials
2 people
Process donations administratively
2 people
Publish results
Send thank-you email
Share photos with participants

What to bring

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

Furniture

Foldable tablesqty 8
Folding chairsqty 40
Registration tablesqty 2
Party tentsqty 2
Clothes racksqty 2
Coat racksqty 4
High tablesqty 6

Tableware

Reusable drinking cupsqty 150
Platesqty 120
Cutlery setsqty 120
Coffee cupsqty 80
Serving bowlsqty 12
Serving plattersqty 8

Equipment

Speaker
Wireless microphone
Extension cordsqty 4
Power stripsqty 4
Coolersqty 4
Thermos flasksqty 6
Stopwatchesqty 6
Calculatorsqty 3
Laptopqty 2
Tabletsqty 4
Chargersqty 8
Power banksqty 4
Printer
Walkie-talkiesqty 8
Calculatorsqty 3
Megaphone
Flashlightsqty 6

Sports equipment

Field linesqty 8
Starting blocksqty 8
Kickboardsqty 20
Pull buoysqty 20
Wall clocksqty 4
Life ringsqty 4
Rescue polesqty 2
Numbered bibsqty 120
Medical bagsqty 2
Neck strapsqty 2
Bib numbersqty 120
Round cardsqty 150
Medalsqty 120
Swimming gogglesqty 20
Swim capsqty 120
Towelsqty 20
A4 scoreboardsqty 8
Whistlesqty 8
Reflective vestsqty 20
First aid kitsqty 2
Cold packsqty 12
Emergency blanketsqty 12

Decorations

Buntingqty 6
Balloonsqty 100
Sponsor bannersqty 8
Directional signsqty 12
Welcome sign
Prize table sign
Tableclothqty 8
Name card holdersqty 12

Lighting

LED light stringsqty 4
LED lampsqty 8

Kitchen

Cutting boardsqty 4
Chef's knifeqty 4
Bread knivesqty 2
Pliersqty 6
Serving spoonsqty 6
Coolersqty 4
Kettlesqty 3
Coffee machinesqty 2

Cleaning

Floor squeegeesqty 3
Bucketsqty 4
Cleaning clothsqty 20
Hand broomsqty 3
Dustpan and brushqty 3
Waste binsqty 8
Microfiber clothsqty 20
Toilet brushesqty 4

Catering

Groceries
Water dispensersqty 4
Drink cratesqty 8
Bread basketsqty 8
Thermo boxesqty 6
Food containers with lidsqty 12
Serving jugsqty 8
Milk jugsqty 6
Sugar bowlsqty 6

Tips

Book the swimming location and confirm its available hours before opening registration. Allow at least 8–12 weeks for permits, insurance checks, participant terms, and a workable lane layout.
Set a registration deadline at least 7 days before the swim. Use the final list to assign start numbers and groups, collect dietary requirements, and give volunteers a reliable participant count.
Write the safety plan around the actual pool layout. Check evacuation routes, position life rings and rescue poles, confirm medical bags are accessible, and assign supervisors to every active pool area before the first start.
Publish the program no later than 5–7 days before the event. Include check-in time, starting groups, lane assignments, warm-up rules, meal timing, and where participants collect medals or T-shirts.
Test timing and communication equipment during the final venue check. Bring spare batteries where needed and verify stopwatches, wall clocks, the speaker, wireless microphone, extension cords, and power strips before event morning.

Frequently asked questions

How far in advance should I organize a swimming marathon?: Start planning at least 8–12 weeks ahead. That gives you time to reserve the pool, check permits and insurance, open registration, recruit volunteers, order medals and T-shirts, and complete the safety plan.
When should swimming marathon registration close?: Close registration at least 7 days before the event. Use that final week to process payments, confirm dietary requirements, assign start numbers and groups, and publish an accurate program.
How many volunteers do I need for a swimming marathon?: Plan separate coverage for registration, pool supervision, timing, participant support, catering, and the finish area. Confirm the exact number with the venue’s safety requirements, then schedule every role for the full event period plus setup and pack-down.
When should I order medals and swimming marathon T-shirts?: Place both orders as soon as registration numbers are stable, ideally 3–4 weeks before the event. Keep the final participant count and any size information available when confirming quantities.

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.