How long should a wellness challenge run for?

A six-week format can provide enough time for employees to participate consistently while keeping the challenge clearly time-limited ( 15 ). Shorter challenges don’t give enough time for habits to form or for streak mechanics to become meaningful. Longer challenges—12 weeks or more—work well for experienced programs with strong social infrastructure, but require more active engagement management to prevent midpoint drop-off. For a first challenge, six weeks hits the balance: long enough to matter, short enough to maintain urgency.

How many employees need to participate for a challenge to work?

There’s no hard minimum, but team-based challenges require enough participants to form genuine teams—typically five to 10 people each. Below that, the social dynamics that make team competition meaningful don’t fully form. For a company of 100 employees, a challenge with 50-60 active participants across eight to ten teams will generate more engagement than a challenge with 80 registered participants who never interact within the platform.

How do you keep remote employees engaged in a wellness challenge?

For distributed teams, consider using location-flexible goals, an in-challenge group chat, and recognition for consistent participation. Remote employees disengage when the challenge feels designed for people who see each other in an office—step challenges that reference walking routes, social mechanics that depend on in-person interaction, or launch events that only happen on-site. Design for distributed participation first, and on-site employees will follow.

What's the best way to structure prizes for a distributed team?

Keep prizes digital and flexible where possible. Digital gift cards and charitable donation options can give employees local choice across regions without requiring physical shipping ( 16 ). For team prizes, consider experiences that don’t require co-location (virtual team events, group subscriptions) alongside individual redemption options. The structure matters more than the specific prizes: longest streak, team participation rate, and a random-draw element for all active participants covers the three motivation problems described earlier.

How do you measure whether a wellness challenge was successful?

Define success metrics before launch. Consider tracking participation beyond launch, the share of employees who remain active through most of the challenge, typical streak length, and any self-reported engagement or well-being data collected at the end. Comparing these against your first challenge gives you a baseline to improve from. Presenting them to leadership is straightforward when the platform generates the data automatically.

Should wellness challenges be mandatory?

No. Mandatory participation undermines the psychological mechanism that makes challenges work—voluntary engagement creates ownership ( 2 ). Mandatory enrollment creates resentment and produces participation that looks good in a report but changes nothing about daily habits. Strong launch communications, visible social proof (colleagues already joining), and a prize structure worth competing for are far more effective at driving participation than compulsion.