He was third in both events at the CIF Southern Section Masters Meet after sweeping both events in the Southern Section Division IV finals.
He won the 200 in 21.19 at the section finals and broke his own meet record by winning the 400 in 47.69.
Freshman Brian Bolus was fifth in the triple jump (43 feet, 10 1/2 inches) at section finals, where the Lightning's 1,600 relay finished second.
The Lightning finished second at the Academy League finals, as Chandy won the 200 and 400 and sophomore Connor Rose won the 800 and 1,600.
Bolus won the league triple jump title and was second in the high jump and long jump.
The Lightning's 1,600 relay also claimed the league title.
Football: The Lightning made history by winning their first playoff game, a thrilling 28-27 triumph over Pasadena Poly. They lost to Campbell Hall in the CIF Southern Section Division XIII quarterfinals.
Sage Hill (9-2) won its first seven games and was led on offense by sophomore quarterback Jamie McGee and running backs Keya Manshadi and Don Ayres, as well as senior wide receiver Zach Milder.
Ayres, a Newport-Mesa Dream Team selection as a junior inside linebacker, and junior cornerback Braden Ross preserved the historic playoff win by stuffing the Pasadena Poly quarterback on a last-second, two-point conversion try.
Also making the Dream Team for the Lightning were senior linebacker Nick Sohl and Manshadi, a tailback and receiver.
Manshadi rushed for 1,069 yards and 15 touchdowns on 146 carries and caught 27 passes for 416 yards and six TDs.
Ayres led the team with 66 tackles.
Soccer: The Lightning (9-5-5) won the Academy League title. A year after notching the program's first postseason win, they lost in overtime in the first round of the CIF Southern Section Division VI playoffs, 2-1, to Oak Park.
Sage Hill had four valuable seniors, including forward Milder, goalie Zach Shockley, Will Fletcher and Chris Neale.