14-Day Shadowboxing Cardio
Do 10 minutes of solo shadowboxing or bag-free cardio each day, at your own pace. Check in once a day.
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Sports · Facts & stats · iChallenge network
Daily facts and stats about mixed martial arts rules, history and fitness, plus real challenges to put them to work.
How does a fighter win by submission?
You went

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Do 10 minutes of solo shadowboxing or bag-free cardio each day, at your own pace. Check in once a day.
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Spend 10 minutes a day on gentle stretching and mobility. Check in once a day.
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Watch a fight replay you already have access to and score each round with the 10-point must system. Post a short write-up.
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Live counts from MMAChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on MMAChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
No wagering — knowledge and prediction games with leaderboard rank.
New rounds land weekly per topic.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.