Triathlon organising checklist

Organising a triathlon means coordinating three courses, participant communication, safety cover and a race-day crew that can act quickly. Start with the date, venues and permits, then confirm the swim, bike and run routes before opening registration. In the final weeks, focus on volunteers, medical and water rescue support, timing, course markings and equipment. This checklist keeps the planning sequence clear and highlights details that are often left until race week.

Organize this event for free with Lizzt

The plan, step by step

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

Preparations

Set the date and route
3 people
Apply for permits
2 people
Reserve start and finish location
2 people
Check the swimming water
2 people
Check the cycling course
3 people
Check the running course
3 people
Prepare safety plan
3 people
Apply for traffic measures
2 people
Open participant registration
2 people
Send invitations
2 people
Process registrations
2 people
Collect dietary requirements
Send participant information
2 people
Recruit volunteers
2 people
Assign volunteers
2 people
Arrange medical support
2 people
Reserve lifeboats
2 people
Arrange timekeeping
2 people
Assign start numbers
2 people
Print participant list
Check the weather forecast
Check course markings
3 people
Gather sports equipment
3 people
Do the shopping
3 people
Chill drinks
2 people
Assemble starter packs
4 people
Set out route signs
2 people
Load Tents and Tables
4 people
Load the finish arch
2 people

Event

Set up the bib number desk
4 people
Set up the swimming start area
5 people
Set up transition area
5 people
Set up finish area
5 people
Mark off bike course
8 people
Mark off the running course
6 people
Mark bends and crossings
4 people
Install bike racks
3 people
Set up signage
4 people
Set up the first aid station
3 people
Check the rescue equipment
3 people
Set up water stations
5 people
Hand out starter packs
5 people
Register participants
4 people
Inspect bicycles
2 people
Brief participants
3 people
Set up the starting lanes
3 people
Guide the swim start
8 people
Guard the transition area
4 people
Secure the bike course
10 people
Secure the running course
8 people
Record split times
4 people
Refill water
4 people
Refill Sports Drink
3 people
Serve fruit and snacks
3 people
Receive finishers
5 people
Handle medal distribution
2 people
Process results
3 people
Support awards ceremony
3 people
Serve participants' meal
6 people
Refill drinks
3 people
Guide the last participants
4 people
Clear the course
4 people

Aftercare

Dismantle the start and finish area
6 people
Take down the transition area
4 people
Remove course markers
6 people
Collect waste
5 people
Clean the venue
5 people
Clean sports equipment
3 people
Inventory materials
2 people
Return rental items
3 people
Store leftover stock
2 people
Dispose of waste
2 people
Publish results
2 people
Thank participants
2 people
Handle lost and found
Return traffic materials
2 people

What to bring

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

Furniture

Party tentsqty 4
Foldable tablesqty 12
Folding chairsqty 40
Bicycle racksqty 80
Waste binsqty 12
Crowd barriersqty 60
Beer tablesqty 8

Sports equipment

Swimming buoysqty 12
Life ringsqty 8
Rescue linesqty 4
Conesqty 80
Course tapeqty 12
Bib numbersqty 150
Race bib strapsqty 150
Swim capsqty 150
Bike helmetsqty 10
Bottle holdersqty 10
Spare bike pumpsqty 4
Bike tool kitsqty 4
Spare inner tubesqty 20
Traffic conesqty 40
Finish arch
Stage blocksqty 3
Medal ribbonsqty 150
Sports towelsqty 30

Equipment

Time registration system
Walkie-talkiesqty 12
Megaphonesqty 3
Laptopsqty 2
Tabletsqty 4
Mobile chargersqty 8
Extension cordsqty 6
Power stripsqty 6
Portable lightingqty 6
Coolersqty 8
Thermos flasksqty 6
Flashlightsqty 8

Tableware

Reusable drinking cupsqty 250
Reusable platesqty 180
Reusable cutleryqty 180
Coffee cupsqty 80
Serving plattersqty 20
Serving tongsqty 12

Kitchen

Coffee machinesqty 2
Kettlesqty 2
Cutting boardsqty 4
Chef's knivesqty 4
Cooler cratesqty 6
Insulated dispensersqty 4
Storage binsqty 20
Food glovesqty 4

Decorations

Route signsqty 30
Start and finish signsqty 4
Directional signsqty 25
Barrier tapeqty 10
Flagsqty 30
Flagpolesqty 30

Lighting

String lightsqty 8
LED lightsqty 12

Cleaning

Trash bagsqty 150
Broom setsqty 4
Floor squeegeesqty 3
Bucketsqty 6
Spongesqty 12
Microfiber clothsqty 20
Hand soap dispensersqty 6
Disinfectantqty 6
Toilet paperqty 48
Paper towelsqty 24

Catering

Groceries

Tips

Secure permits and traffic measures before opening registration. Confirm the swim area, bike route and run route early enough to change the course if an approval or safety issue arises.
Set a clear deadline for participant information and dietary requirements. Send start procedures, course details and equipment guidance at least 7 days before race day, then keep the final participant list available for check-in.
Plan volunteer coverage by station, not just by total headcount. Assign separate people for the swim, transition area, crossings, aid points, finish area and communications, with walkie-talkies for key coordinators.
Check water safety and medical support as one plan. Confirm rescue boats, life rings, swim buoys, rescue lines and medical personnel before the race, and include a weather decision point at least 24 hours beforehand.
Prepare the timing and course-marking kit the day before. Test the timing system, laptops and tablets, check bib numbers and swim caps, and place cones, barriers and course tape according to a written route plan.

Frequently asked questions

How far in advance should I organise a triathlon?: Start planning at least 6 months before race day. Apply for permits, traffic measures and medical or water-rescue support first, because these arrangements can determine the date and route.
When should triathlon registration open?: Open registration only after the date, venues, courses and essential safety arrangements are sufficiently confirmed. Send the final participant information no later than 7 days before the event.
How many volunteers do I need for a triathlon?: The number depends on the course and number of crossings, but plan one named volunteer for every staffed post and add at least 10% cover for sickness or late changes. Keep separate coordinators for swim safety, transitions, roads and the finish area.
What should I check the day before a triathlon?: Recheck the weather, course markings, barriers, traffic measures, timing system and safety equipment 24 hours before the start. Prepare bibs, swim caps, participant lists and communication devices so setup does not depend on last-minute shopping.

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.