Rebecca Anderbury Rebecca Anderbury

Rebecca Anderbury

Nebula Tri Team

Rebecca's Story

Rebecca spent most of her teenage years playing hockey, with a brief stint in triathlon to please a PE teacher who was forming a new club; she left after less than year! It was only when she met her now-husband, Dan, at the end of 2017 that the sport would cross her radar again. Dan had just qualified for his first Ironman World Championship in Kona and, after getting a half marathon entry for Christmas, Rebecca started accompanying him on long training runs. Over the course of 9 months that progressed to swimming and cycling. By July she had joined Oxford Tri and after travelling to support Dan in Kona she left with one goal: to complete an Ironman.

Over the course of the next 3 years Rebecca went from a complete novice of the sport to a top amateur athlete, podiuming at several Ironman events and winning the ITU Long Distance World Championships in 2019. In 2023 she took the leap into the professional field with the aim of becoming a racer, and she hasn’t looked back! 2024 saw her first professional podium and a top 50 finish in The Ironman Pro Series, and she is keen to build on these achievements in 2025. Outside of triathlon, Rebecca works part-time in an NHS hospital as a pharmacist specialising in surgery

' Shoot for the moon because even if you miss you’ll land among the stars' - Rebecca Anderbury

Rebecca Anderbury

INSPIRATION: Claire Danson. Claire won her age group at Ironman 70.3 Staffordshire in 2019, one of my first races and I remembered her from the awards ceremony. A few months later she was involved in a crash while out cycling that severed her spinal cord, making her a paraplegic. It reminded me to grab life with both hands because change could literally be just around any corner; but more than that, Claire has reminded me what true resilience and determination looks like.

GREATEST CHALLENGE: You don’t look like a runner’. ‘Well if you’re not a club runner you won’t be able to do this session’. These were the words that greeted me the first time I had the courage to go along to an informal track session. I was mortified. I wanted to run back to my car and cry. I was in old running shorts, my trainers weren’t the best, and I wasn’t super skinny, and now all of my pre-session concerns about what people would think had become a reality before I’d even started running. I may not have ‘looked like a runner’, but I did stay, and I did complete the session, but I did cry in the car on the way home. It was an experience that is repeated all over the world for women trying to get into sport, not just triathlon. We don’t look like we fit that stereotype, or we aren’t at the top of the sport, and people dismiss us. I want triathlon to be the sport that breaks the mould, where women can come and enjoy themselves without fear of what other people will think, and where just completing an event is celebrated as much as winning it.  

2nd - Ironman 70.3 Swansea 2025

8th - Ironman Hamburg 2025

2nd - Ironman 70.3 Poznań 2024

2nd - Ironman 70.3 Swansea 2024

13th - Ironman Hamburg 2024 (sub 9 hours)

7th - Ironman 70.3 Valencia 2024

5th - Ironman 70.3 Swansea 2023

Nebula Tri Team

Nebula have chosen to launch a new Professional Women’s Triathlon Team. Why? Taking the step from Age Grouper to Professional is exceptionally hard, where most have to work full time alongside training and then need to be an influencer on the side to support any brands working with them. It’s also a lonely existence, with little positive feedback for a while. Going from first in AG races, to midpack Pro can be demoralising.  

We want to support up and coming Female Athletes to take this step, with financial support as well as all the kit they need for a season from our fantastic partners. Whilst we handle the story telling of their journey for them.  

We believe all athletes should have the same chance, not just those with more followers, and quite regularly Female athletes are overlooked or treated differently to their male counterparts. No longer!  

So Nebula, where stars are formed, with the best up and coming female talent in Triathlon to grow and reach for the stars. 

Alongside this we have our community and coached athletes forming a great team of Age Group Athletes driving for their own goals. Some coached by the Pro girls or our coaches. Others just wanting to be part of a community of like minded people. 

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rebecca.anderbury
13/07/25
This one meant a lot 💜 Very happy with how I raced today and a 2nd place finish 🥈more thoughts on the race to follow but for now, I’m going to enjoy the moment. Big thank you to everyone who cheered for me today, I don’t think I’ve ever experienced so many people shouting my name 😍 #ironman #ironmantri #raceday #swimbikerun #finishlinefeels #nebulatri #proseries #everysecondcounts #wearesungod #precisionfuelandhydration #zone3 #cuoreofswiss
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rebecca.anderbury
12/07/25
Excited to start a pro series race on home soil 🤩 I never thought I’d see the day when I’d be facing a non-wetsuit swim in Wales 😅 but here we are! Good luck to everyone racing tomorrow! 📹 gavgmedia #ironmantri #ironman #ironman703swansea #welshheat #lfg
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zone3official
07/07/25
What. A. Day. 💥 Last Thursday Zone3’s Lake Roadshow Hero event popped up at Swim Six Hills. The day had it all: sunshine, swim tips, wetsuit testing, free swims, refreshing drinks and seriously good vibes. Massive shoutout to Pro Triathlete & @nebulatri.team Coach @rebecca.anderbury who came down to share her swim wisdom. She had a great crowd gathered lakeside, and for good reason, her knowledge and tips were gold. Everyone had the chance to try on a range of Zone3 wetsuits in different styles and sizes, then jump straight in for a free swim at the beautiful open water swim venue. No pressure, just pure open water joy. What really made it special? The mix of people. Triathletes chasing race goals testing upgrades in suits. First-timers just dipping a toe in. Casual open water swimmers wanting a suit to see them through the winter. All in it together. Missed out on trying a wetsuit? Swim Six Hills has the full size curve of ZONE3 Advance wetsuits all season long, or check out where we’ll be at the next stop of the roadshow.
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rebecca.anderbury
19/06/25
How has it been nearly 3 weeks since Ironman Hamburg 😱 Looking forward to another hit out at Ironman 70.3 Swansea in my Cuore Gold 2in1 tri suit 🤩 dialled fit, fast, and still comfortable after hours of swim bike and run👌 I really enjoyed kickstarting my training again in Austria (thank you Dan for choosing such a great race/training location for us!). Plus it’s very motivating watching triathlon, kudos to all of you who completed that one! 📸 gavgmedia #cuore #ironman #swimbikerun #triathlon #triathlete #nebulatri
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rebecca.anderbury
13/06/25
zone3official and the blue Austrian water make me want to swim 😍 Enjoying my training camp/support crew duties here in Austria! #zone3 #klagenfurtamwörthersee #swim #lakeswimming #triathlon #triathlete #swimbikerun #nebulatri
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