How to Set a Realistic Fitness Goal With Friends

The fastest way to kill a group fitness challenge is to pick a goal too hard for the slowest person and too easy for the fastest. Half the group quits in week one. The other half coasts.

A good goal makes the weakest person stretch and the strongest person work. Here is how to find that number.

Step 1: Know the range

Before you set anything, ask each person two questions:

• How many days a week do you currently do something active?
• Roughly how much (km, minutes, workouts) do you do in a typical week?

You do not need precision. You need a range. If your group spans "0 days a week" to "5 days a week," your goal has to bend around both.

Step 2: Pick the format that handles range best

Some formats handle range better than others.

• Streaks are the most range-friendly. "Move 20 minutes a day" works for everyone.
• Personal-best targets are excellent. Each person tries to beat their own last week by 10%.
• Team-total goals scale naturally. Combined steps to a city.
• Individual totals punish the slowest. Use only when the group is already similar.

For more format ideas, see the 27 group challenge ideas.

Step 3: Set the number based on the slowest person

The math that works most of the time:

• Take the least active person's current weekly volume
• Add 25% to 40% to that number
• That is your weekly target

So if the slowest person currently walks 20 km a week, target 25 to 28 km. That is a real stretch for them, totally doable for the rest, and the fitter members can chase a personal-best on top.

Setting the bar based on the fastest person guarantees the slowest quits. Setting it based on the slowest keeps everyone honest.

Step 4: Pick a window that fits

• 2 weeks: good for a quick reset, a challenge people can power through
• 4 weeks: the sweet spot for most groups, long enough to recover from a bad week
• 8 to 12 weeks: training for an event, building a habit, only attempt with motivated groups
• Open-ended: these always drift. Avoid unless the format is a streak that everyone genuinely wants to compete on indefinitely.

Step 5: Build in a midpoint

Whatever the length, announce a midpoint check-in. "Halfway there, here is who's on track." This catches the people who started fast and faded, and gives the slow starters a chance to push.

Step 6: Make sure the goal is visible

Goals are pointless if people forget what they are aiming for. A shared leaderboard solves this. Whatever tool you use, the goal and the current standings should be one tap away.

A reasonable setup that handles most groups:

• Cross-platform tracking (Strava, Garmin, manual)
• Auto-updating leaderboard
• Visible goal at the top of the screen

Meryus handles all of that for free. For the wider field, see the best apps for group fitness challenges.

Common goal mistakes

• Picking 10,000 steps a day for a desk-job group. Brutal for most office workers, especially in winter.
• "Run a marathon distance over the month." 42 km in 30 days is roughly 1.4 km a day. Looks impressive, but if half the group has never run, it is still too much.
• Round numbers that look good in a Slack post. 1 million pushups, 1,000 km, etc. Cool branding, terrible math, kills the challenge by week two.
• Setting individual targets but pretending it is a group challenge. Pick one or the other.

A worked example

Group of 6 friends. Mix of one runner, two casual joggers, and three people who walk occasionally.

• Slowest person currently walks ~15 km a week
• 25% stretch is ~19 km a week
• Pick a 4-week challenge
• Per-person target: 80 km in 4 weeks
• Format: total distance, team scoreboard
• Stretch goal: as a team, hit 600 km combined (gives the runner room to push)

That gives the slowest person a real goal, the runner a team total to chase, and everyone something to talk about.

Quick start

Set the goal on Meryus, share the join code, and watch the leaderboard fill in. Two-minute setup, full month of accountability. For more on running the whole challenge end to end, see how to run a fitness challenge with friends.