McBride (16) earned herself a national trial when she blasted away from her opponents at the South Island rowing championships.
McBride won the open women's single sculls in convincing fashion in 7min 50.82sec, from her Southern Regional Performance Centre opponents Olivia Low (7min 55.46sec) and Lisa Owen (7min 57.67sec).
The John Parnell-coached sculler is on target to get to the world junior rowing championships in Lithuania next August.
At Plovdiv, Bulgaria, last year McBride stroked the New Zealand quadruple sculls to a bronze medal.
She teamed with her old mate Hannah Duggan and they finished second to the Central RPC crew in the open women's double sculls in 7min 32.46sec.
McBride and Duggan finished eight seconds in front of Waihopai when they won the women's under 19 double sculls in 7min 50.71sec.
The Otago club's top male sculler Jack O'Leary teamed with Eachann Bruce, from Wanaka, this season and they convincingly won the men's' under-19double sculls in 7min 00.94sec.
They controlled the race from the start to beat Cure by seven seconds.
O'Leary came third in the single sculls in 7min 30.86sec.
Younger sister Anna came from behind in the last 200m to win the girls under-16 single sculls in 8min 31.96sec from Julia Fauth (Oamaru) 8min 32.12sec.
Anna O'Leary was fourth with 200m left but then upped her rating to 37 strokes a minute to snatch the win in the last 10m.
Riley Bruce (Wanaka), the younger brother of Eachann, won the men's under-16 single sculls in 7min 51.25sec.
Nicholas Jackson and Jarrod Wellman (Wanaka) won the men's under-19 coxless pair in 7min 15.81sec.
The Dunstan Arm combination of Simon Smith and Doug Cryer won the club double sculls in 6min 55.54sec.
Jacqui van Dam and BrigetMcArthur (Dunstan) won the masters women's double sculls in 4min 06.62sec.
The Dunstan Arm girls under-15 double sculls of Ella Galletly and Eirlys Bond was second in 8min 16.82sec.
The North End novice double sculls of Ryan Wilson and Sam Munro was first in 7min 34.47sec.
The women's novice double sculls of Sydney Cook and Lucy Geddes was first in 8min 22.53sec.
Caitlin Buist and Nicola Shanks (Otago University) were second in the women's club double sculls in 7min 45.92sec.
Shanks was third in the single sculls in 8min 35.06sec and Masters rower Imogen Coxhead (Port United) fourth.
The North End girls under-16 coxed four of Zoe Sabonadiere, Tessa Read, Eliza Adams, Maggie Burns and Sarah Wyber (cox) was third in 7min 57.78sec.
Emma Winders (Otago) was second in the girls under-17 single sculls, in 8min 23.81sec and Maysie Scott (Oamaru) third in 8min 29.94sec.
The North End boy's under-16 eight of Scott Bezett (stroke), Thomas Chin, Matthew McNamara, Callum Gordon, Liam Guthrie, Ben Alexander, Corey Lewis, George Sammons and Hamish Sinclair (cox) was third in 6min 55.77sec.
