Challenges

Challenges to do with a friend

These are the most popular time-boxed challenges to do with a friend, from 75 Hard and 75 Soft to Dry January, Sober October and Deep Work 30. Each page lists the rules, tips for finishing and exactly what you track in GLIN. Eight are built into the app; the rest take about 30 seconds to set up.

Updated October 21, 2026

Health

Training, nutrition, sobriety and sleep.

66 days · Build it in GLIN5am ClubUp at 5 a.m. for the 20/20/20 victory hour.75 days · Built into GLIN75 HardSix daily disciplines for 75 days.75 days · Built into GLIN75 SoftA gentler 75-day health sprint.30 days · Built into GLINDry 3030 consecutive alcohol-free days.31 days · Build it in GLINDry January31 alcohol-free days to start the year.30 days · Build it in GLINNo Sugar30 days without added sugar.31 days · Build it in GLINSober October31 alcohol-free days in the fall.

Work

Focus, output and business momentum.

30 days · Built into GLINDeep Work 30One focused 90-minute block each day.100 days · Built into GLINThe 100100 points per day for 100 days of business momentum.

Relationships

Dating, friendship and showing up for your partner.

10 weeks · Built into GLIN10 First DatesTen weeks of intentional dating.30 days · Built into GLINReach Out 30Daily hellos and weekly deep connections.30 days · Built into GLINShow Up 30Daily undistracted time with your partner.

Don’t see yours?

Any challenge you can describe works in GLIN. Tap “I want to make my own”, name it, choose a length in days or weeks, add the actions that count and how many points each is worth, and invite a friend.

Pick one. Invite a friend.

Free to download. Invite a friend and start today.

QR code that opens the GLIN download page

Scan with your phone to download GLIN.