Indoor marathon checklist: what to arrange and when

An indoor marathon needs more than a marked-out course. You have to confirm that the hall can hold runners, spectators and equipment, then build a clear route with safe start and finish areas. Registration, bibs, timing, first aid and volunteer stations should be settled before race week. This checklist covers the planning sequence, including details that are often left until the last few days, such as dietary information, chilled drinks, starter packs and power for timing and sound equipment.

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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

Confirm date and room capacity
Set out the course in the hall
2 people
Map the start and finish area
2 people
Make reservations for the venue and equipment
Check event insurance
Send invitations
Publish registration form
Process registrations
2 people
Collect dietary requirements
Send participant confirmations
Create bib numbers and participant list
2 people
Send route and safety instructions
Assign volunteers to stations
2 people
Confirm first aid staffing
Set up time tracking
2 people
Prepare music and announcements
2 people
Check the shopping list
Order race numbers and medals
Do the shopping
2 people
Assemble starter packs
4 people
Sort the participant list and wristbands
2 people
Chill drinks
2 people
Prepare snacks
3 people
Prepare course materials
3 people
Check weather and safety information
Check the hall floor and changing rooms
2 people
Assemble start and finish arches
4 people
Mark off the course
4 people
Place arrows and distance signs
3 people
Set up registration tables
3 people
Set up tables for first aid stations
3 people
Test timing equipment
2 people
Connect the sound system
2 people
Check lighting and power
2 people
Set up the coffee and drinks station
3 people
Set up first aid table
2 people
Mark changing rooms and luggage area
2 people
Prepare starter packs per participant
4 people
Give volunteer briefing
2 people

Event

Open registration and pick-up
5 people
Receive and label luggage
3 people
Guide participants to the starting pen
3 people
Give the opening briefing
2 people
Start the marathon
3 people
Keep track of lap and time results
4 people
Guide participants along course stations
6 people
Serve water and sports drinks
4 people
Refill drinks
2 people
Restock fruit and energy bars
2 people
Serve coffee and tea
2 people
Serve snacks
2 people
Check changing rooms
2 people
Handle baggage collection
3 people
Present finisher medal
3 people
Register finishers
2 people
Check end-time sheets
2 people
Handle prize ceremony
3 people
Make closing announcements
Escort participants to the exit
3 people

Aftercare

Dismantle course materials
4 people
Take down the start and finish arches
4 people
Clear tables and chairs
4 people
Collect and sort waste
3 people
Wash dishes and supplies
3 people
Clean coffee station
2 people
Clean changing rooms and toilets
3 people
Leave the hall floor clean
3 people
Turn off timekeeping equipment
2 people
Disconnect the sound system
2 people
Store leftover food chilled
2 people
Check borrowed equipment
2 people
Return rented equipment
2 people
Register lost and found items
Publish results
Send participant thank-yous

What to bring

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

Furniture

Tablesqty 12
Chairsqty 35
Changing room benchesqty 8
Waste binsqty 12

Sports equipment

Start arch
Finish arch
Conesqty 80
Barrier tapeqty 12
Crowd barriersqty 20
Round signsqty 10
Distance signsqty 20
Bib numbersqty 180
Start number bandsqty 180
Participant medalsqty 180
Prizesqty 6
Timing matsqty 2
Stopwatchesqty 6
Reflective vestsqty 20
Luggage tagsqty 180
Emergency blanketsqty 30

Equipment

Laptopqty 2
Printer
Sound system
Microphoneqty 2
Extension cordsqty 8
Power stripsqty 8
Charging stationsqty 2
Coolersqty 8
Kettlesqty 3
Coffee machinesqty 2
Thermos flasksqty 6
Scalesqty 2

Tableware

Reusable drinking cupsqty 250
Coffee cupsqty 80
Platesqty 120
Cutlery setsqty 120
Serving spoonsqty 8

Kitchen

Cutting boardsqty 4
Chef’s knives and bread knivesqty 6
Serving plattersqty 12
Thermos bottlesqty 6
Cool bagsqty 4

Decorations

Welcome bannersqty 2
Directional signsqty 25
Name badgesqty 40
Tableclothsqty 12

Lighting

LED lampsqty 8
Emergency lightingqty 4

Cleaning

Mopsqty 4
Bucketsqty 4
Broom setsqty 3
Cleaning cartsqty 2
Hand sanitizer pumpsqty 8
First aid kitsqty 2
Dustpan and brushqty 3

Catering

Groceries

Tips

Confirm the hall’s capacity and layout before opening registration. Allow space for the course, start and finish arches, changing benches, luggage, spectators, tables and waste bins rather than counting only the running area.
Send route, safety and arrival instructions before race day, ideally with participant confirmations. Include where to collect bibs and wristbands, where bags go, and when runners should arrive for check-in.
Assign volunteers to specific stations and give each person a time and position. For a marathon, confirm first-aid coverage and keep reflective vests, emergency blankets and a clear access route available at the venue.
Test timing mats, stopwatches, the laptop, printer and sound system together at least one day before the event. Check extension cords, power strips and charging stations so announcements and results do not depend on one untested socket.
Prepare food and drinks in stages: assemble starter packs and sort bibs before race day, then chill drinks and prepare snacks close to opening time. Collect dietary requirements during registration and label suitable options separately.

Frequently asked questions

How far in advance should I organise an indoor marathon?: Start venue and capacity planning at least 12 weeks ahead, especially if you need equipment reservations or insurance confirmation. Open registration only after the course layout and participant limit are clear.
How many volunteers do I need for an indoor marathon?: Plan at least one volunteer for each staffed station, plus separate people for registration, course supervision, timing and finish support. Final numbers depend on the route and field size, but assign every position at least 7 days before race day.
When should I send indoor marathon instructions to participants?: Send the first confirmation immediately after registration, then send route, safety and arrival instructions 5 to 7 days before the event. Share any last-minute changes as soon as they are confirmed.
When should I set up the indoor marathon course?: Prepare course materials and mark the route before participants arrive, with a full layout check at least 2 hours before the start. Test the start and finish areas, distance signs, barriers and timing equipment during that check.

Start this plan in Lizzt

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