How to organise a costume run-through

A costume run-through combines the timing and safety needs of a road race with the practical problems of changing, storing and wearing costumes. Start by fixing the date, route and start and finish locations, then deal with permits, insurance and traffic control before opening registration. Give yourself time to check costume sizes, prepare race numbers and assemble starter packs. On the day, keep registration, costume storage, route marking and first aid clearly separated so participants know where to go.

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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

1
Record date and route
2 people
2
Apply for permits
3
Check insurance
4
Reserve start and finish location
5
Arrange traffic controllers
6
Arrange first aid coverage
7
Open the registration form
8
Send invitations
2 people
9
Publish route map
10
Process registrations
2 people
11
Collect dietary requirements
12
Assign volunteers
2 people
13
Design race numbers
14
Print race numbers
2 people
15
Check participant list
2 people
16
Check costume sizing
2 people
17
Create a music playlist
18
Order prizes and medals
19
Check route in advance
2 people
20
Distribute traffic plan
21
Check the shopping list
2 people
22
Do the shopping
3 people
23
Sort costumes
2 people
24
Assemble starter packs
3 people
25
Prepare route arrows
2 people
26
Bring materials to the venue
3 people
27
Build party tents
4 people
28
Set up tables and chairs
3 people
29
Assemble the start arch
3 people
30
Assemble the finish arch
3 people
31
Set up registration tables
2 people
32
Set up costume distribution
2 people
33
Chill drinks
2 people
34
Set out coffee and tea
2 people
35
Prepare snacks
3 people
36
Lay out bib numbers
2 people
37
Place route arrows
4 people
38
Place kilometer markers
2 people
39
Place traffic barriers
4 people
40
Test sound system
2 people
41
Set up the first aid station
2 people
42
Check toilets
2 people
43
Brief traffic controllers
2 people
44
Give volunteer briefing
2 people

Event

45
Open registration
4 people
46
Hand out starter packs
4 people
47
Distribute costumes
3 people
48
Guide participants to the start
3 people
49
Give the starting signal
2 people
50
Staff route checkpoint
8 people
51
Staff traffic points
6 people
52
Carry out finish registration
3 people
53
Hand out medals
2 people
54
Refill drinks
2 people
55
Serve snacks
3 people
56
Operate the music
57
Guide the photo moment
2 people
58
Honor the prize winners
3 people
59
Collect costumes
3 people
60
Guide the audience to the exit
2 people

Aftercare

61
Remove route barriers
4 people
62
Collect route arrows
4 people
63
Collect waste
4 people
64
Clear tables and chairs
3 people
65
Take down party tents
4 people
66
Wash dishes
2 people
67
Clean the venue
4 people
68
Reload materials
3 people
69
Collect lost and found items
2 people
70
Wash costumes
2 people
71
Return costumes
2 people
72
Return rental equipment
2 people
73
Lost and found messages
74
Send participants' photos
75
Publish results
76
Process invoices and receipts
2 people

What to bring

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

Furniture

Party tentqty 2
Tablesqty 8
Chairsqty 24
Registration deskqty 2
Clothes racksqty 4
Waste binsqty 8

Sports equipment

Start arch
Finish arch
Route arrowsqty 35
Kilometer markersqty 6
Bib numbersqty 120
Race bib strapsqty 120
Medalsqty 120
Costumesqty 120
Clothing coversqty 120
Traffic conesqty 30
Crowd barriersqty 12
Ropeqty 100
Whistlesqty 12
Stopwatchesqty 4
Clipboardsqty 12
Pensqty 40
Emergency blanketsqty 12
Glovesqty 12

Equipment

Sound system
Microphoneqty 2
Speakersqty 2
Extension cordsqty 4
Power stripsqty 4
Power banksqty 6
First aid kitsqty 2
Flashlightsqty 6
Walkie-talkiesqty 12
Mobile phone chargersqty 6

Lighting

LED lampsqty 8
String lightsqty 4

Tableware

Reusable cupsqty 160
Coffee cupsqty 80
Platesqty 120
Cutlery setsqty 120
Serving plattersqty 12
Serving spoonsqty 8

Kitchen

Coffee machinesqty 2
Kettlesqty 2
Coolersqty 6
Thermos flasksqty 6
Cutting boardsqty 4
Chef's knivesqty 4
Pliersqty 6
Measuring cupsqty 2
Ice packsqty 24

Decorations

Buntingqty 10
Balloonsqty 150
Balloon weightsqty 8
Tableclothsqty 8
Wayfinding signsqty 12
Photo backdrop

Cleaning

Broomqty 3
Dustpan and brushqty 3
Mopsqty 3
Bucketsqty 3
Cleaning glovesqty 12
Laundry basketsqty 6

Catering

Groceries

Tips

Confirm the route and permissions before sending invitations. Check the route in advance, publish a map, and allow time for traffic controllers, first aid coverage and any required permits or insurance.
Set a registration deadline that leaves at least 7 days to check the participant list, dietary requirements and costume sizing. Use the final list to prepare race numbers, straps and starter packs instead of assembling them at registration.
Plan costume handling as a separate station. Use clothes racks and clothing covers, label costumes by participant, and place this area away from the registration desk so changing does not block arrivals.
Mark the route before participants arrive, not during the start window. Put out route arrows, kilometre markers, cones and barriers, then give volunteers clipboards, pens, whistles and a simple traffic plan.
Test the finish setup the day before, including the finish arch, stopwatch, sound system, microphone and power. Bring extension cords, power strips, power banks and LED lamps because outdoor connections and late-finish visibility are easy to overlook.

Frequently asked questions

How far in advance should I organise a costume run-through?: Start planning at least 8 to 12 weeks ahead if the route uses public roads. Apply for permits, check insurance and reserve the start and finish locations before opening registration, then close registrations about 7 days before the event.
How many volunteers do I need for a costume run-through?: Use at least one volunteer for registration, one for costume storage, one at the start and one at the finish, plus one person at each key crossing or route turn. Add a route lead and a volunteer coordinator so operational questions do not reach the participants.
When should I put out the route arrows and kilometre markers?: Place them on the morning of the event only if the route is secure and the team can finish at least 60 minutes before the start. Otherwise, prepare them the day before and check every turn again 30 minutes before participants set off.
How many drinks should I plan for a costume run-through?: For the first hour, allow two to three drinks per participant, depending on the weather and distance. Add a reserve of about 10 percent and confirm any dietary requirements before shopping or preparing participant supplies.

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