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Welcome back to Climbers’ Edge, a monthly newsletter dedicated to all things climbing! We’re thrilled to deliver the latest stories, TCC updates, and safety tips to our International Tree Climbing Community. We wish you safe and happy climbing!


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Congrats to the 2025 APTCC Winners

Stephanie Dryfhout from the New Zealand Arboriculture Association and Barton Allen-Hall from Arboriculture Australia won the 2025 Asia-Pacific Tree Climbing Championship (APTCC), held from 23-25 May in Brisbane, Australia.


The three-day event featured 49 climbers—20 women and 29 men—showcasing the skills of the region's top climbers.


"It was awesome," Dryfhout said. "The trees made for a challenging climb, and the good weather held out. Everything about [this competition] was executed well."


Both Dryfhout and Allen-Hall are returning APTCC champions. In addition to both competitors being the 2024 APTCC Masters' Challenge winners in Kuantan, Malaysia, Dryfhout also won the competition in 2023 in Changi, Singapore, and Allen-Hall in 2019 in Christchurch, New Zealand.

Additionally, Dryfhout and Allen-Hall were the Masters' Challenge winners of the 2024 International Tree Climbing Championship (ITCC) in Savannah, Georgia, US.


For many professional climbers, the 2025 TCC season is still in the early stages.

Although she was victorious, Dryfhout said she still has a lot of training to complete for the 2025 ITCC.


"I think I have a lot more work to do, but I'll be going to some competitions for some practice," Dryfhout said. "I'll have to start ramping up the training till [the 2025 ITCC], but I'm excited to go to New Zealand."


Dryfhout said she prepared for the 2025 APTCC by practicing by simulating a competitive environment.


“I was lucky enough that a guy from New Zealand set up an open Masters’ series that we’ve been competing in every few weeks and each getting an opportunity to do a masters’ climb and doing some cool big work,” she said.

Similarly, Allen-Hall's dedication to his sport is evident. He expressed his need to prepare for the upcoming ITCC but also shared that he trains throughout the year, showcasing his unwavering commitment to his passion.


We had our nationals a bit over a month ago,” he said. “That was kind of the start of the season for me, and it was a good warmup. It looks the same all year round to me. I enjoy climbing trees a lot, so I do it all year round. It’s my passion and my hobby. The only thing that changes is my commitment to diet.


Looking ahead, the ISA regional events continue with the 2025 European Tree Climbing Championship that will be held in Pszczyna, Poland, and the highly anticipated ITCC that will take place from October 17 to 19, 2025, in Christchurch, New Zealand.


Click here for a complete list of the competition results. If you are interested in volunteering for an upcoming TCC please visit the ITCC website.

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Safety Tip

This tip and others like it can be found in the Arborists' Certification Study Guide, 4th edition, by Sharon J. Lilly, Corinne G. Bassett, James Komen, and Lindsey Purcell. To learn more, visit the ISA Store.

ISA 2025 Events Calendar

2025 ETCC

2025 ITCC

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