Jazmin Carlin and Joe Roebuck concluded the British Gas International with three gold medals apiece in a last session of finals that delivered a brace of victories for Olympic 100m champion Ruta Meilutyte, of Plymouth Leander and Lithuania, and former Olympic and world champion Anthony Ervin (USA).

Meilutyte clocked 30.55 on the way to gold at London 2012 last year. Today she dominated the dash in 30.57, her best solo 50m swim but not her fastest lap ever. In her wake came Dutch challenger Moniek Nijhuis (NED), on 31.33, and Edinburgh's Kathryn Johnstone 31.94.

Ervin, Cal Aquatics, clocked 49.21, off a 23.10 lead 50m split. The minor spoils went to Sebastiaan Verschuren (NED) 49.47, off 23.93, and Grant Turner, Loughborough, in 50.33, off 23.89.

In other finals:

Women's 400m freestyle

Jazmin Carlin, coached by Bud McAllister at Swansea, concluded a fine meet with a 4:07.14 victory for her third triumph of the meet. She set personal best times in the 800m and 1500m (8:24 and 16:18), while the 400m effort was the fourth fastest of her career and inside the 4:07.56 she clocked at Olympic trials after a period of illness that ended her dreams of racing at a home Games.

Carlin was challenged all the way to the last lap this evening. World s/c and European and Commonwealth 400IM champion Hannah Miley served as pace setter: she was the sole sub-minute swimmer at the 100m mark, Carlin back in fifth just over 1:01. By the half-way mark, Miley retained the lead in 2:02.66, Carlin 3rd in 2:04.26 and Miley's medley Olympic teammate Aimee Wilmott on 2:04.07 out in lane 7 in second.

Miley, coached by her father Patrick at Garioch, was still the hare leading hounds at the 300m mark though Carlin had caught up, the gap 3:05.78 to 3:06.01. The Swansea swimmer finally clocked the best split in the race at the 350m mark and sped on to victory, leaving Miley smiley: silver in 4:09.30 marked a lifetime best in the midst of hefty training and at the end of a busy four days of racing in Leeds. Willmott, too, celebrated a lifetime best, on 4:10.54.

“I’m really happy with that," said Carlin. "It was always going to be tough after the 1500m yesterday but I just said to my coach that I wanted to give it a go; to come out with gold is fantastic. The 400m is my favourite event, but my coach thinks I may be better suited to the 800m and 1500m so we’ll need to have a sit down before June to discuss which to prioritise for the trials.”

Men's 200m medley: 

Joe Roebuck collected his third gold of the meet with a 2:00.04 victory that held off Loughborough and Olympic teammate Roberto Pavoni, on 2:00.98. Adam Harrington made it a clean sweep for Loughborough in 2:02.51. The youth final went to Matthew Johnson, Co Sheffield, 2:04.29.

Roebuck and Pavoni swam almost stroke for stroke the whole way, Roebuck never behind, on 25.89 to 26.31 on butterfly, 56.95 to 57.27 on backstroke, 1:31.61 to 1:31.93 on breaststroke and the biggest gap of all, 0.94sec by the end wall. 

“It was really tough race tonight but I enjoyed being up against such a high calibre field," said Roebuck. "I’m concentrating on the 200IM, 200Fly and 100Fly at the moment rather than the 400IM, so I’m glad to have won gold in each of those events here. I enjoy the 200m more so I will be focusing on that for the rest of the season and will continue to work hard on my sprint speed in training.”

Men's 800m freestyle:

In morning declared-winner heats, one of the names to watch for from Britain, 18-year-old Millfield schoolboy James Guy kept up his record of setting personal best times in every race he swam, a big best of 8:04.38 delivering victory over Daniel Fogg, Olympic 1500m finalist and marathon podium challenger at London 2012. Fogg, in heavy training, took second in 8:05.38, with Thomas Sunter, of Sheffield, third in 8:08.51. Guy has the European Junior Championships in his sights this season but after winning the 200m free in  Leeds with a 2sec personal best on 1:48, he may also be looking at a relay berth come world-title trials in June.

Guy said: “I’m really happy with the way this meet has gone. I swam that last race for my friend Chloe [Waddell] who sadly passed away recently; that was for her. I am going to try and focus on my 200m Freestyle mainly at the trials this June in the hope of making the World Championship team and beyond that I hope to compete at the World Youths in Dubai."

Women's 100m Butterfly

Joint 100m free world champion in 2011, Jeanette Ottesen Gray (DEN), out in 26.96, sped to a 58.99 victory over Alys Thomas, of Swansea, on a personal best of 59.62, and medley and breaststroke ace enjoying a new adventure, Siobhan-Marie O'Connor, Bath University, celebrating a huge best time of 59.63. The final also featured double Olympic sprint freestyle champ Ranomi Kromowidjojo (NED), in 7th on 1:00.98.

Men's 50m backstroke: 

Dutch visitor Bastiaan Lijesen sped to a 25.32 victory over world champion Liam Tancock, of Loughboro University, on 25.50, with Marco Loughran, of Guildford Ct, taking third in 25.87. The youth finals went to Jack Ness, Co Aberdeen,  in 26.63.

Women's 200m Backstroke: 

Olympic finalist Elizabeth Simmonds, now at Bath University, had the race in her grip from blocks to a 2:10.25 victory, though junior Lauren Quigley, of Hazel Grove, kept the leader company on her way to a 2:11.20 best time. Third place went to Dutch visitor Sharon Van Rouwendaal in 2:12.36.

Simmonds was out first in 30.57 at the 50m mark, retained the lead in 1:03.73 at the half-way and extended her narrow lead over Quigley in 1:37.21 by the last turn. The win was in the bag but Quigley did not give up and, with 100m world record holder Gemma Spofforth having retired, is among a talented group of juniors on the cusp of challenging for senior places.

“It’s been an average week for me; I’ve been a bit up and down which I think is a fair representation of how my training has been since the Olympics," said Simmonds. “It’s been a bit of a transition and adaptation for me so I think that’s been reflected in my swimming this week so it was good to get back on top tonight. It’s good to see where we are this time in the year.”

• Results in full
• Hear what the swimmers have to say in their own words at British Swimming.

Paralympic swimmers were also in action in Leeds. This report courtesy of British Swimming:

Paralympic Champion Jessica-Jane Applegate (S14) scooped her fourth gold of the four-day meet in the MC 50m Freestyle on the final day of the British Gas International in Leeds.

The UEA Norwich swimmer improved on her British Record from the heats setting 28.04 (1101 points) to finish ahead of fellow S14 swimmer Chloe Davies (Trowbridge) who swam to a new

lifetime best of 29.77 (920 points) and Romford Town’s Amy Marren (S9) in 30.35 (876 points), also a new British Record.

“That was okay, it’s not what I wanted,” said Applegate. “If I’m honest I wanted the time for Nationals for youths, for abled bodied as well as the disability - that was a 28.04 - and the time I need is 27.97 so I’m completely gutted.

“I am really trying to go for the abled bodied nationals, I’m really competitive so hopefully next time I’ll get it. This week has been great though.”

Edinburgh University’s Craig Rodgie (S14) claimed the Men’s MC 50m Freestyle crown.

Having already lifted MC 100m Butterfly gold in Leeds, Rodgie improved on his personal best in the heats to set 25.82 (940points) �“ just 0.03 off the British Record.

“That was great, that was a PB in heavy training so I’m really happy with that.

“I was looking to go 25. Tonight, I was aiming for the British record and I got close but I’m happy with that.

“The week has gone okay. I was ill a couple of weeks ago so I’ve come here and to see what I need to do ahead of the trials next month.”

Matthew Walker won silver in 29.25 (847 points) while Josef Craig took bronze in 29.43 (831 points).

Harriet Lee impressed to win gold in the MC 100m Breaststroke, beating a strong challenge from Paralympic silver medallist Charlotte Henshaw (SB6).

The Peterborough swimmer touched for gold in 1.20.32 (879 points) with Henshaw in second with 1.41.35 (837 points)

Claire Cashmore took bronze in 1.23.28 (796 points).

Lee said: “I’m really happy with that time, it will give me confidence for the next four weeks of training.

“Touch wood this year the preparations have been going well. I swam a really good 200m Breaststroke too so it’s going well ahead of trial.

“As well as this, I’m focusing on the 200IM and 50 Free at the trials too, there is a lot more to come in those events.”

Scott Quin (SB14) improved his own British Record to win the MC 100m Breaststroke gold in the final event of the meet.

The Warrender swimmer took the title in 1.09.14 (897 points) ahead of Stockport Metro’s Dan Pepper (SB14) in 1.13.72 (740 points) and Aaron Moores in 1.15.76 (682 points).

“Just looking at the board when I touched to see the time, I was so excited. I’m so happy.

“I didn’t expect to swim so fast, I’ve had a bit of a niggle but I spoke to my coach and my physio just today they gave me the support and they told me to relax, swim as well as I could and tonight paid off.

“Hopefully I have a few sets to finish off in hard training before taper ahead of the trials so I’m trying to get the key things right. Speak to Laurel (Bailey) and Kris (Gilchrist) and see where we can make improvements.”