Whether you are running a music festival for 10,000 people or a corporate conference for 200, every event carries risk. Crowd safety, weather disruption, vendor no-shows, power failures, medical emergencies, and regulatory non-compliance can all derail months of planning in a matter of minutes.
An event risk assessment is not just good practice. In many jurisdictions, it is a legal requirement. Local authorities, venues, and insurers routinely ask for a documented risk assessment before they will approve your event. And beyond compliance, it is the single most effective tool for making sure your event runs safely and smoothly.
This guide provides a comprehensive checklist you can use on any event, from corporate gatherings to outdoor festivals, along with practical guidance on how to score and manage each risk.
What is an event risk assessment?
An event risk assessment is a structured process of identifying everything that could go wrong at your event, evaluating how likely and how severe each risk is, and documenting the controls you will put in place to prevent or manage them.
It covers the full lifecycle of the event: build-up and setup, the live event itself, and the breakdown and exit. It considers risks to attendees, staff, volunteers, performers, vendors, and the general public.
If you are familiar with the fundamentals of risk registers, the process is the same. You identify risks, score them using a probability × impact matrix, assign owners, define controls, and review regularly in the lead-up to the event.
The event risk assessment checklist
Work through each category below with your event team. For each risk you identify, score it on probability (1 to 5) and impact (1 to 5), then document your controls.
1. Venue and site safety
Risk area |
What to consider |
|---|---|
Capacity |
Is the venue capacity appropriate for your expected attendance? Do you have a system for monitoring numbers in real time? |
Access and egress |
Are entry and exit points clearly marked and sufficient for the crowd size? Can emergency vehicles access the site? |
Emergency exits |
Are fire exits unobstructed, clearly signed, and sufficient for the venue capacity? |
Floor/ground conditions |
Are there trip hazards, uneven surfaces, or areas that become slippery in wet weather? |
Structural integrity |
If using temporary structures (stages, marquees, barriers), have they been inspected and certified? |
Lighting |
Is the venue adequately lit, including exit routes, car parks, and outdoor areas? |
Accessibility |
Can attendees with disabilities access all areas safely? Are accessible toilets and viewing areas provided? |
2. Crowd management
Risk area |
What to consider |
|---|---|
Crowd density |
Could any areas become dangerously overcrowded (entrances, stages, bar areas)? |
Queuing |
Are queuing systems in place for entry, food, bars, and toilets? |
Barriers and fencing |
Are crowd barriers positioned correctly to manage flow and prevent crushing? |
Signage and wayfinding |
Can attendees navigate the site easily? Are key locations (first aid, toilets, exits) clearly signed? |
Security personnel |
Do you have sufficient trained security staff? Are they briefed on the event layout and emergency procedures? |
Alcohol management |
If serving alcohol, do you have measures to manage intoxicated attendees? |
3. Weather and environmental
Risk area |
What to consider |
|---|---|
Extreme heat |
Do you have shade, water stations, and a plan for heat-related illness? |
Heavy rain/storms |
Can the site handle heavy rain? Are there contingency plans for lightning (especially for outdoor stages)? |
High winds |
At what wind speed do temporary structures become unsafe? Who makes the call to take them down? |
Cold weather |
For winter or evening events, are heating and shelter adequate? |
Flooding |
Is the site at risk of flooding? Are drainage systems adequate? |
Darkness |
For events extending past sunset, is the site safely lit? Are pathways to car parks illuminated? |
4. Fire safety
Risk area |
What to consider |
|---|---|
Fire risk sources |
Cooking equipment, pyrotechnics, electrical installations, generators, smoking areas |
Fire detection |
Are smoke detectors and fire alarms in place and tested? |
Firefighting equipment |
Are fire extinguishers accessible and appropriate for the risk types present? |
Evacuation plan |
Is there a documented evacuation plan? Has it been rehearsed with staff? |
Fire marshal coverage |
Are there enough trained fire marshals for the venue size? |
5. Medical and first aid
Risk area |
What to consider |
|---|---|
First aid provision |
Is first aid cover proportionate to the event size and risk profile? |
Medical facilities |
Is there a designated first aid point? For larger events, is there a medical tent with appropriate equipment? |
Ambulance access |
Can an ambulance reach the first aid point and exit the site quickly? |
Specific health risks |
Are there risks specific to your event (allergic reactions at food events, dehydration at outdoor events, drug-related incidents at music events)? |
Communication |
Can first aid staff communicate with event control and emergency services? |
6. Electrical and technical
Risk area |
What to consider |
|---|---|
Electrical installations |
Have all temporary electrical installations been inspected and certified by a qualified electrician? |
Generators |
Are generators positioned safely, refuelled safely, and adequately ventilated? |
Cables and wiring |
Are cables routed safely and protected from foot traffic, vehicle traffic, and water? |
Sound and lighting rigs |
Have rigging points been load-tested? Are suspended items secured with secondary safety bonds? |
Power failure |
Is there a backup power plan for essential services (emergency lighting, PA system, security)? |
7. Food and drink
Risk area |
What to consider |
|---|---|
Food hygiene |
Do all food vendors have current food hygiene certifications? |
Allergen management |
Are allergen information and labelling requirements being met by all vendors? |
Water supply |
Is potable water available? Are water stations provided for outdoor events? |
Waste management |
Is there adequate bin provision? How is food waste managed? |
Refrigeration |
Do vendors have adequate refrigeration, especially for outdoor summer events? |
8. Transport and traffic
Risk area |
What to consider |
|---|---|
Vehicle-pedestrian separation |
Are vehicles and pedestrians kept apart during setup, the event, and breakdown? |
Parking |
Is parking adequate and managed? Are accessible spaces provided? |
Public transport |
Have you coordinated with local transport providers for increased service? |
Traffic management |
Do you need traffic management plans for the surrounding road network? |
Load-in/load-out |
Is the setup and breakdown schedule managed to prevent vehicle-pedestrian conflicts? |
9. Communications and emergency response
Risk area |
What to consider |
|---|---|
Emergency plan |
Is there a documented major incident plan? Does everyone who needs it have a copy? |
Communication channels |
Do all key personnel have radios or a reliable communication method? Is there a backup if mobile networks are overloaded? |
Emergency services liaison |
Have you briefed local police, fire, and ambulance services about the event? |
Public address system |
Can you communicate with the entire audience in an emergency? |
Lost persons |
Is there a lost persons protocol, especially for events with children? |
10. Legal and regulatory
Risk area |
What to consider |
|---|---|
Licences and permits |
Do you have all required licences (premises, alcohol, entertainment, street trading)? |
Insurance |
Do you have adequate public liability insurance? Do vendors carry their own insurance? |
Health and safety law |
Are you compliant with local health and safety regulations? |
Noise limits |
Are there noise restrictions? Do you have monitoring equipment? |
Data protection |
If collecting attendee data (registration, CCTV), are you compliant with data protection requirements? |
Scoring and prioritising event risks
Use the standard 5×5 matrix to score each risk. For events, calibrate the impact scale to your context:
Score |
Label |
What it means for your event |
|---|---|---|
1 |
Negligible |
Minor inconvenience; barely noticed by attendees |
2 |
Minor |
Small disruption; affects a few people temporarily |
3 |
Moderate |
Noticeable impact; part of the event disrupted or delayed |
4 |
Major |
Significant disruption; large portion of event affected, possible injury |
5 |
Catastrophic |
Event cancelled, serious injury or fatality, major legal/reputational damage |
A useful rule for events: any risk with a safety dimension that scores 3 or higher on impact should be treated as a priority regardless of the probability score. You cannot accept a "Possible" risk of serious injury just because the numbers say it is only a Medium.
Example: outdoor music festival
ID |
Risk |
Prob |
Impact |
Score |
Key control |
|---|---|---|---|---|---|
R-001 |
Crowd crush at main stage barrier |
3 |
5 |
15 High |
Crowd management team, barrier design to spec, real-time density monitoring |
R-002 |
Thunderstorm forces stage evacuation |
3 |
4 |
12 High |
Weather monitoring service, documented evacuation plan, PA system for announcements |
R-003 |
Food vendor serves allergen without labelling |
4 |
3 |
12 High |
Pre-event allergen audit, vendor training requirement, clear labelling mandate |
R-004 |
Generator failure during headliner |
2 |
4 |
8 Medium |
Backup generator on standby, tested switchover procedure |
R-005 |
Alcohol-related violence |
3 |
3 |
9 Medium |
Trained security, drink limit policy, rapid ejection protocol |
R-006 |
Car park flooding after rain |
3 |
2 |
6 Medium |
Drainage survey, alternative parking area identified, marshals with signage |
Timeline: when to do what
Event risk management is not a one-time exercise. Here is a timeline for integrating it into your planning:
3+ months before: Initial risk assessment with core team. Identify the major risks and start putting controls in place. Share the risk register with the venue, local authority, and insurers as needed.
1 month before: Detailed review. Add risks specific to the confirmed event programme, vendor list, and site plan. Ensure all high-risk controls are confirmed and resourced. Brief the safety team.
1 week before: Final review. Walk the site (if outdoor) or inspect the venue. Confirm all safety equipment is in place. Brief all staff and volunteers on the emergency plan.
Event day: Dynamic risk management. Monitor conditions (weather, crowd density, incidents) and update your risk response in real time. The risk register should be accessible to the event control team.
Post-event: Debrief. What risks materialised? Were the controls effective? What should be added or changed for next time? Update the register for future events.
Run your event risk assessment in Riskjar. Built-in event risk categories, automatic scoring, action tracking for every control measure, and a shared register your whole team can access on the day. Get started free.
Common mistakes in event risk assessment
Doing it too late. If your risk assessment happens the week before the event, it is too late to meaningfully change anything. Start early enough that you can actually implement controls.
Copying last year's assessment without updating. Every event is different, even if it is an annual repeat. The site may have changed, the programme is different, new regulations may apply. Use last year's assessment as a starting point, not a finished document.
Ignoring the breakdown phase. Many event teams focus all their risk management on the live event and forget that the breakdown and load-out phase has its own significant risks: vehicle movements on a site that may still have pedestrians, fatigue-related accidents, and reduced lighting.
Not communicating the plan. A risk assessment that lives on the event manager's laptop provides no value to the security team, the medical team, or the volunteer coordinators who need to act on it. Make it accessible to everyone who has a role in managing risk.
The best event risk assessment is one that your team actually uses. Keep it practical, keep it current, and make sure the people on the ground know what is in it.