I've been working with Coach Keri-Ann for almost 2 years now and have loved every minute. Before she started helping me, I had been running on and off for leisure but struggling to make any significant improvements. With Keri-Ann's help I've now done more than I imagined, with PRs and races in distances from 1 mile all the way to the marathon! Not only that, but she and the community she's building here have made it so much fun...I highly recommend Keri-Ann and Mercuria Running!!

- Bobby L.

Keri-Ann is an exceptional coach and trainer. Her program allows for runners of all levels to improve and feel great about their progress. Highly recommend!

- Rob O.

I loved training with Mercuria and having Keri-Ann as my coach!
I learned so much and also had fun! Keri is a truly gifted athlete and coach; she has the ability to bring runners of all abilities into a group and create an environment where everybody feels accepted, encouraged, and challenged to grow. Lots of fun, lighthearted moments throughout training (even the hill workouts) that helped each runner reach their potential and enjoy the process. I'd give 10 stars if I could!

- Jenny H.

Highly recommend! I hadn’t run in a couple of years and wasn’t sure how it would feel getting back into it. Keri-Ann provided clear guidance that helped me build confidence, improved speed and mileage.. Each week, she sent encouraging emails outlining the route, and focus for each session; a very organized training plan. She was warm and charming, riding her bike alongside runners to offer support, smiles and encouraging words. The group included runners of all ages and levels; everyone was very welcoming. I enjoyed that we could all could advance at our own personal pace….no stopwatch timed workouts here! The themed days added a fun touch to training. Thanks to the coach-led program, I completed a 10K after taking a few years off from road racing, I feel strong and committed to my new running routine. Oh, and I didn’t think I’d like the evening workouts but it turns out I really looked forward to them.

- Nancy S.

Do you drive by people running and wonder why anyone would spend their Saturday morning doing that? Do you do a double take when the same group of runners are wearing matching shirts or fun costumes? Well join Mercuria and find out what fun you’re missing! Keri-Ann is the best coach who has helped me, a non-runner, really enjoy running. She fosters a great community that builds life long friendships. Join us!

- Elizabeth M.

I've been running with Mercuria Running for the past 3 years. Coach Kerri-Ann is incredible — supportive, knowledgeable, and genuinely invested in your goals. Most recently, she helped me safely maintain my running routine throughout my pregnancy. Her thoughtful guidance, personalized plans, and encouragement made all the difference. Whether you're training for a race or running for joy, Mercuria offers a welcoming, empowering community and expert coaching. Highly recommend!

- Julie D.

Keri-Ann is an amazing running coach. She exudes positivity and is personally committed to helping every single one of her runners obtain their maximum potential. I hadn’t run seriously in over 10 years and she helped get me over a 10K finish line in less than 2 month! I’d highly recommend joining her at Mercuria Running to train for your next run or just to learn how to run smarter and faster.

- Colleen B.

Keri-Ann is the type of coach you need to succeed. Her coaching style is uniquely tailored to fit your lifestyle, time constraints, and personal fitness goals. The running plan she made me had so much variety that I was constantly challenged in a way that helped me get faster and perform on race day. Throughout the training process, she gave such great, personalized advice on gear selection, nutrition, technique, and many other areas. Thanks to her plan, I was able to beat my half marathon goal by 8 minutes. I can honestly say I will never have another running coach!

-Brady G.

Coach Keri-Ann is awesome! Being coached by her has helped me develop as a runner and has reminded me to have fun with it! Not only am I having the most fun I ever have while running, I am also setting new personal bests. I have learned to trust how I feel on the run and stay flexible with the plan. Coach Keri-Ann is extremely supportive, encouraging and positive. She always checks-in and adjusts training when necessary. I am so grateful for everything she has helped me achieve and look forward to the future!

-Allison Z.

Working with Coach Keri-Ann has been amazing! She's helped me improve my fueling and form, and I've hit three PRs in the short time working with her. I love the flexibility of each week's runs, and the support and interaction that she provides throughout the week. The training plans are right-sized for my fitness level and never seem daunting. I feel like I've known Coach Keri-Ann for years! If you're looking for a supportive and interactive coach, I can't recommend her and Mercuria Running enough.

-Cara Y.

I’ve been running with Coach Keri-Ann since Summer 2020 and have felt a tremendous difference in my performance. She’s taught and encouraged me to trust my training plan, the process, and my body. Save the miles/effort for when it counts and enjoy each workout. She incorporates fun and energy into every workout and is always available whenever I need coaching support (questions about my plan, paces, etc.) or to encourage me. My current training plan is the perfect mix of challenge and fun and I’m learning that more miles don’t necessarily mean better outcomes. If you want a coach you can trust, who will encourage you to push yourself into the best runner you can be, and who is downright fun, choose Coach Keri-Ann. You won’t be disappointed, you might just PR.

-Sarah G.

I've worked with Coach Keri-Ann of Mercuria for two running seasons now and I'm glad I found her. Before Coach Keri-Ann I went through a couple of other coaches and never really clicked, but Mercuria has a different approach to training that is more supportive and more flexible. Even though Keri-Ann is on the other side of the country from me, she still checks in many times a week, and before my races she really helps get me in a game day mindset. I plan on working with Coach Keri-Ann again, as soon as I find my next big race.

-Andy G.

I can’t praise the coaches at Mercuria Running enough. I had the pleasure of working with coach Keri-Ann on my training to help me reach and shatter some big goals I had set out at the beginning of the year. All of the coaches at Mercuria are highly knowledgeable, detail-oriented, very helpful, and kind. Keri-Ann helped to custom tailor a training plan to fit my schedule, adjusting it as I progressed to train for a couple races. It all culminated in a great finish at the California International Marathon, far exceeding my goal for my first marathon. The coaches at Mercuria will help you work on your form, step up your PR’s, and help you conquer your next big goal!

-Sergei

Keri-Ann is an amazing coach and person. Her passion for running is inspiring. She is very supportive, positive, and fun. She has helped me accomplish so much over these past few months in becoming a stronger and faster runner. I highly recommend Coach Keri-Ann!

-Nicole B.

I've been working with Coach Keri-Ann for almost 2 years now and have loved every minute. Before she started helping me, I had been running on and off for leisure but struggling to make any significant improvements. With Keri-Ann's help I've now done more than I imagined, with PRs and races in distances from 1 mile all the way to the marathon! Not only that, but she and the community she's building here have made it so much fun...I highly recommend Keri-Ann and Mercuria Running!!

-Bobby L.

I’ve been a client of Mercuria Running for almost 2 years and am proud to call myself a Mercurian! I answered an email blast from our local running store for a half marathon training group led by Coach Keri-Ann Rugg and signed up. Although I had run a few HMs already, I was curious what a formal training program could do. Turns out a lot. I am now knowledgeable about different types of training runs, pacing, hydration and fueling and often find myself helping less experienced runners. Under Coach Keri-Ann’s expert supervision I have now run 13 HMs and also done something I never thought I would do - run 2 marathons! (and am signed up for 2 more!) Through it all, Keri-Ann’s belief in me and guidance were crucial. Another benefit was making new friends and having the accountability of group training. Since the group training I also have had the confidence to follow my own individual programs for specific races. I highly recommend Mercuria!

- Steve B.

I am so happy that I found Mercuria running!! Before working with coach Keri-Ann, I had lost all confidence in my running. My previous coach was not a great fit and I had become very discouraged. Keri-Ann is supportive and listens to create training plans that work for me. She is incredibly knowledgeable and positive. She has helped me bring the joy and even more fun back to running :) Not to mention I ran my first marathon with her help. I would definitely recommend Mercuria Running to anyone that wants to have fun while training & achieve new goals!

- Lisa R.

I had always been a leisure runner and had been anxious about the prospect of racing or running higher miles. Since working with Keri-Ann in Portsmouth, I have certainly reached and surpassed my personal goals. Keri-Ann is thoughtful in her programming and incredibly supportive for all runners she coaches. She ensures we feel confident in our fueling, hydration, nutrition, and strength while thoughtfully planning our workouts to accent our weekly goals. Her running groups have changed my relationship with running as I now feel stronger and smarter as I approach races and training programs. I have met some of my closest friends in this group and feel so grateful to have met Keri-Ann. If you are in the Seacoast area and want to learn how to be an informed runner and integrate into the Portsmouth community, THIS is the group/coach for you!! Forever a Mercurian!

- Emily S.