Treadmill v outdoor running - is there really a difference? The latest research on the refueling window. Sid's back and we talk AWA athletes to Kona, plus we review the racing at Galveston 70.3 and IRONMAN South Africa. Interview with Heather Wurtele.

Jocelyn McCauley co-hosts the show from Boise and we talk about her prep for IM Texas. We interview Hannah Wells after their team’s record breaking performance in The Speed Project. Sid’s back and we talk UK Anti Doping and Oceanside.

Recovery protocols - which work and which don't. Managing exercise induced asthma with diet. Interview with Olympic Gold Medalist Hamish Carter.

Bev does an ITU round up with Fitter's Tim Brazier plus Tim talks to NZ Triathlete Sam Ward. We talk to Mark Bowstead after his PB performance at IMNZ. Laura Siddall's back and we catch up on her win at Motatapu and some of the latest tri news.

Insulin sensitivity and sleep loss - how HIIT can help. We talk to Australian Matt Burton after his 2 recent great results at Challenge Wanaka and IRONMAN New Zealand. L-theanine supplementation and its effects on the immune system.

Interview with Skye Moench. The Off Season. Pre-race supplements - do we need them. Craig Nieper post Motatapu Xterra. Swim frequency and technique analysis.

Bevan, Mikki and Ross review the race at IRONMAN New Zealand plus we bring you interviews with the pros and pro panel footage from the race.

Mikki discusses Dan Plews’s LCHF approach to his world class performance in Kona last year. We chat with Jocelyn McCauley on the lead up to IMNZ. Sid's back and we talk through Challenge Wanaka and our predictions for IMNZ. Interviews with Craig Nieper and Heidi Sowerby.

Bevan and 'The Flea' (Ross Lockey) host this week’s episode and we review the weekend’s racing at Challenge Wanaka and IRONMAN 70.3 Geelong. We also bring you interviews with Braden Currie, Hannah Wells and Javier Gomez.

DVT and flying for athletes. Curcumin ingestion and its effect on muscle damage. Interview with Chelsea Sodoro. Coffee Club interviews with Jason Cheshire and Leigh Davidson. The Tarawera 102Km race with Josh Hockley.

The sleep tech industry – devices to aid sleep. Sid’s back in NZ and we chew the ‘tri goss fat’ around the Collins Cup and the Triple Crown. Interview with Paul Newsome, the founder and head coach of Swim Smooth.

Meditation for elite athletes. Interviews with Katie Zaferes and Hayden Wilde. Nutritional strategies to aid sleep. Sid talks to us about her new FACTOR bike.

How to improve your time trialing on the indoor trainer. Sid’s back. Sodium, the latest research. Interview with Joe Gambles.

We talk to our Fitter Radio Coffee Club race entry winners at the Mount Festival of Sport plus we interview race winners Mike Phillips and Hannah Wells. We also chat to Louise Minchin, Breakfast on BBC One presenter, about her experiences at Patagonman.

Running economy. LCHF and HBCD. Interview with David McNamee.

We interview Tristan Franklin winner of the free entry to IRONMAN Port Macquarie. We catch up with American pro triathlete Jocelyn McCauley after her podium 2nd at the IRONMAN Taupo 70.3 in December. Laura and Bev recap some of the highlights from 2018.

Probiotics - the latest research. Richard Thompson Ultraman World Champs Winner. Catch up with Laura Siddall

We talk to Kelly Sheerin of AUT about running shoes. Mikki tells us about Glutamine and we talk to Coffee Clubbers Craig Nieper, Kirsten Gillespie and Shaun Beuth.

Bevan and Sid review the IRONMAN 70.3 Taupo race from the weekend. We talk to IMNZ race entry winner Heidi Sowerby. Our Hot Property interview is with German pro triathlete Andreas Dreitz. Mikki gives us a couple of low carb recipes from her kitchen.

IRONMAN Western Australia race review. The Off Season with Laura Siddall. Interview with Anne Haug. The ergogenic effects of Rhodiola.

Race review of IM703 Western Sydney. Interview with HPS NZ Psychologist Lou Davey. Tim Brazier and Sid talk swimming. Holiday eating. Coffee Club race entry winners.

We talk to The Prof - Paul Laursen about his book ‘The Science and Application of High Intensity Interval Training’. Sid’s back in NZ. We interview Thor Hesselberg about the KiwiXtreme and Rockman. We interview Coffee Club race winners Kirsten Gillespie, Ross Lockey and Shane Dorman.

Noosa Tri winner Kevin Campbell. Mount Half winner Cam Langsford. Bev does PFS. UltraMan UK. Interview with Callum Millward. Food sequencing.

Racing on an LCHF diet - training the gut. Sid’s back and we talk controversy! Sid’s race at Challenge Sardinia and Cam Watt’s interruption of Callum Millward’s race in Kona. Interview with Age Group Champion Dan Plews. Interview with Queenstown Marathon entry winner Brad George.

Over-striding - is it killing the run leg of your triathlon. Interview with Richard Kingsford. Home-made Sports Drink. Interview with Sam Appleton. The Journey to317.

Interview with Mel Hauschildt. Noosa Tri Winner Kevin Campbell. Pilates for Sports Athlete Screening. The vegetarian athlete.

We bring you a wrap up with Sid and interviews from the finish line at the IRONMAN World Championship 2018!

Josh Amberger, Jan Van Berkel, Meredith Kessler, Kevin Collington, Liz Blatchford, Will Clarke, Emma Pallant

Braden Currie, Sarah True, Callum Millward, Joe Skipper, Mike Phillips, Luke and Beth McKenzie, Lauren Parker and Krystle Hockley

We bring you interviews with Susie Cheetham, Jocelyn McCauley, Tim Van Berkel, Simon Cochrane and Kirsty Calman.