The 18-year-old stormed into the 200m breaststroke final in France and wound up finishing sixth as he improved his personal best to 2:07.02minutes.
That continues a fine year for Benson as he followed up his gold and silver at the 2011 World Junior Championships by securing an Olympic spot, making the semi-finals of the 100m breaststroke.
And the Scot believes there is plenty more to come as he looks to juggle both the 100m and 200m breaststroke events from here on out.
"The 200m final went really well for me. I am normally more of a 100m swimmer but I have been training really well aerobically so I thought the 200 might be good for me," said Benson.
"I ended up taking three seconds off my time in the last weekend so really happy with that. This has given me a lot of confidence going for the world short course champs and the rest of the season.
"I would like to do both the 100 and 200m. I train more like a 200m swimmer as I do a lot more aerobic stuff than speed but I am definitely working on 200m a lot more and it is a big priority for me now."
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