River Fit 2025: HIIT It Hard

Get ready to sweat, move, and build strength on the <a href="https://www.google.com/maps/place/Fiedler+Field/@42.3562419,-71.0771361,620m/data=!3m1!1e3!4m6!3m5!1s0x89e370a068a0c859:0xee511c7cf526557d!8m2!3d42.3562644!4d-71.0757695!16s%2Fg%2F11b_05_kr0?entry=ttu&amp;g_ep=EgoyMDI1MDkwOS4wIKXMDSoASAFQAw%3D%3D">Charles River Esplanade</a> with this high-energy Bodyweight HIIT Class Series provided to you by Caroline at CarolineRufoWellness! This 60-minute class combines bursts of high-intensity cardio with bodyweight strength movements to help you torch calories, boost endurance, and improve functional fitness—no equipment needed. Each session is designed to challenge all fitness levels, offering modifications to meet you where you are and push you to where you want to go. Expect a dynamic mix of full-body circuits, explosive intervals, and active recovery to keep your heart rate up and your muscles working. Perfect for busy professionals, weekend warriors, and anyone looking to get a powerful workout using just your body. We encourage participants to registered before every class and to bring their own yoga mat.&nbsp;Pre-registration is highly recommended in order to receive timely updates.&nbsp;Please cancel if you can no longer attend. High Intensity Interval Training will take place every&nbsp;Thursday at 6pm&nbsp;on the following dates:<ul><li>September 25</li><li>October 2</li><li>October 9</li></ul>This event is part of&nbsp;our&nbsp;River Fit Fall&nbsp;Series. Learn more and register for other events in this series&nbsp;<a href="https://events.humanitix.com/host/esplanade-association">here</a>. Event Cancellation In the event of extreme weather or other hazardous conditions, the Esplanade Association will email all participants and post a cancellation notice. Please follow our social media accounts Facebook page (<a href="https://www.facebook.com/EsplanadeBoston/">@EsplanadeBoston)</a>&nbsp;/&nbsp;Instagram (<a href="https://www.bing.com/ck/a?!&amp;&amp;p=008d7f72c9e11873906731010fa33ad157b31138f06b360c2000f8832c5179fdJmltdHM9MTY1MzUwODUyOSZpZ3VpZD1kOGRhOWQyYy00Yjg3LTQwMWEtODE4OC1lNmM0Yjk1YmNhNjYmaW5zaWQ9NTE1OA&amp;ptn=3&amp;fclid=a09fe0bb-dc64-11ec-ad4f-d835eeaa604f&amp;u=a1aHR0cHM6Ly93d3cuaW5zdGFncmFtLmNvbS9lc3BsYW5hZGVpbmJvc3Rvbi8&amp;ntb=1">@EsplanadeInBoston</a>)&nbsp;to keep up to date about potential class cancellations.

Fiedler Field on the Charles River Esplanade

Esplanade Association

S22: conversations

Wondering what to do in Boston? Places to eat? Free activities? Good for a group? Date night spot? Girls night out? The best things to do? Ask Joyraft!

Best places to go in Boston? Things to do? Places to eat?

Questions & answers about things to do in Boston

Recs 💬

Community recs 💬

S4: top picks

The most fun, cool and unique things to do in Boston. Can’t miss events, shows and experiences. Concerts, restaurants, bars, free things in Boston and beyond.

The most fun and cool events happening around Boston

Hot and new things to do in Boston

Hot & new

Hot & new 🔥

S11: happening this weekend

What to do in Boston this weekend? From festivals, concerts, performances, free events, screenings and more, Joyraft has the best things to do in Boston.

25+ things to do in Boston/Cambridge/Somerville this weekend

Things to do in Boston this weekend

This wknd

This weekend for you

S21: roundups

Our top picks: outdoor dining, free events, spring festivals, best bars, upcoming concerts, museum parties - the latest in and around Boston.  Slug: joyraft-top-picks-best-things-to-do-boston-ma

Top picks of the best things to do in and around Boston

Joyraft picks: Boston’s best things to do

Roundups ⭐️

Curated by Joyraft ⭐️

S28: calendar experiences

This week in Boston

This week in Boston 📆

This week 📆

S20: c+d experiences

Discover new, unique events and experiences happening in and around Boston. Perfect for date night, good for a group or with a friend. Be the first to know.

The newest events happening in and around Boston

The newest events on Joyraft

Just added

Just added to Joyraft

S16: editor picks

The most unique and can’t miss things coming up in Boston / Cambridge / Somerville and beyond. Festivals, food, drinks, fairs, concerts, art and free activities.

Unique and Can’t Miss Things to Do in Boston

Can’t-miss things to do in Boston 🚨

Can't-miss things to do 🚨

S2 (A): top experiences

The most popular things to do on Joyraft. Concerts, restaurants, bars, events, parties, openings, kid friendly, date ideas, free things in Boston and beyond.

Top 20 things to do in Boston

Top 20: Joyraft’s most popular

Top 20

Top 20 on Joyraft

S3 (A): trending experiences

Discover can’t miss events and things to do in Boston. The most fun, unique and cool events coming to the Boston area this spring and summer.

The hottest events happening in Boston

Trending events on Joyraft

Trending 📈

S17: interest based

Your guide to everything free in and around Boston. From events, to fairs, to festivals, to outdoors. Joyraft has all the free events happening near you.

100+ free things to do in Boston and beyond

Free things to do in Boston

Free things to do

S19: interest based

Kid-friendly events in Boston

S18: interest based

Where to eat and drink in Boston? Joyraft has Boston’s newest bars, restaurants and specials. Drinks and pre fixe dinner menus. Cambridge & Somerville too.

Boston Bars and Restaurants: Events and Openings

Food & drink experiences in Boston

Food & drink experiences 

Where

River Fit 2025: HIIT It Hard

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