By Erik Boal, DyeStatCAL Editor

Here is an event-by-event breakdown of what to look for in these invitational girls track events Friday and Saturday at the 49th Arcadia Invitational:

100-meter dash (6:40 p.m. PDT Saturday)

Favorite: Lauren Rain Williams, Oaks Christian. With defending state champion Zaria Francis of Rio Mesa not competing, Williams is looking to repeat at Arcadia after sweeping the 100 and 200 last year. She was edged by Francis and Celera Barnes in the 60-meter final at the New Balance National Indoor finals, but is the wind-legal state leader at 11.52.

Other contenders: Celera Barnes, St. Bonaventure and Lynna Irby, Pike (Indiana). Barnes placed second in the 60-meter dash in the New Balance National Indoor final and has a wind-legal best in the 100 of 11.50. Irby has a wind-legal best of 11.47 in the 100 and placed eighth in the New Balance National Indoor 60-meter final.

Sleeper: Amanda Van Buren, Vista Murrieta. Finished just ahead of Barnes at the Mt. Carmel Invitational and has the potential to challenge in this event, along with Long Beach Poly’s Ariyonna Augustine.

200 meters (8:22 p.m. PDT Saturday)

Favorite: Lauren Rain Williams, Oaks Christian. Produced a wind-legal 23.57 to sweep the 100 and 200 at last year’s meet on her way to running a wind-legal outdoor best 22.90 to capture silver at the World Youth Championships.

Other contenders: Celera Barnes, St. Bonaventure and Amanda Van Buren, Vista Murrieta. Last time they met, they clocked 23.89 and 23.90 at the Mt. Carmel Invitational, but they’ll both need to run faster in order to challenge Williams.

Sleeper: Kayla Richardson, Walnut. Ran a wind-aided 23.45 and wind-legal 23.85 last year, but hasn’t faced much competition so far this season.

400 meters (7 p.m. PDT Saturday)

Favorite: Lynna Irby, Pike (Indiana). The World Youth silver medalist has a lifetime-best 51.79, but she is entered in the 100, 200 and 400, so how her schedule unfolds could determine what she is capable of producing.

Other contenders: Kaelin Roberts, Carson and Hannah Waller, Buchanan. The past two state champions and the invitational winners the last two years haven’t raced since 2014, with both capable of winning again having dipped under 54 seconds on the Arcadia track.

Sleeper: Carolyn Wilson, Oaks Christian. The junior has the potential to surprise in her Arcadia debut with an outdoor best of 54.80.

800 meters (6:50 p.m. PDT Saturday)

Favorite: Cassie Durgy, Huntington Beach. The state leader and U.S. No. 2 repeated as champion at the APU/Arroyo Meet of Champions Distance Classic and has the potential to eclipse her personal-best 2:08.85.

Other contenders: Ginelle DeMone, Leduc Composite (Alberta) and Erica Schroeder, San Marcos. DeMone was the Arcadia runner-up last year and has an outdoor best of 2:08.78 after winning indoors at the Simplot Games, with Schroeder the defending state champion with a lifetime-best 2:07.08.

Sleeper: Bianca Tinoco, Golden Valley. Ran 2:11.00 as part of a double with a 4:57.05 mile at the APU/Arroyo Meet of Champions Distance Classic, but is solely focused on this challenge, looking to improve on her personal-best 2:09.35.

1 Mile (5:49 p.m. PDT Saturday)

Favorite: Allie Schadler, Rio Rico (Arizona). Although she placed sixth in this event as a sophomore in 4:49.45, Schadler has demonstrated significant improvement since then and showcased impressive 800 speed at Stanford by clocking 2:10.11 to hold off San Marcos’ Erica Schroeder.

Other contenders: Amanda Gehrich, Tesoro. The defending 1,600 state champion is looking forward to another opportunity against a quality field after a second-place finish in the invitational mile race at the APU/Arroyo Meet of Champions Distance Classic and a runner-up effort at Arcadia last season.

Sleeper: Erica Schroeder, San Marcos. Ran 4:54.86 in a solo effort at the Stanford Invitational and has strong closing speed if she can remain in contact with the leaders entering the final lap.

3,200 meters (8:35 p.m. PDT Saturday)

Favorite: Hannah DeBalsi, Staples (Connecticut). The three-time Foot Locker national cross country finalist ran 10:29.46 for 2 miles indoors this year, but has run 9:55.05 for 2 miles outdoors in 2014, which is better than anyone else in the field at either distance.

Other contenders: Fiona O’Keeffe, Davis Senior. DeBalsi and O’Keeffe will be future teammates at Stanford, and they could work together to push the pace up front. O’Keeffe has a 3,200 personal-best 10:00.85 and leads several talented California entries in this field.

Sleeper: Annie Hill, Glacier (Montana). The sophomore has a career-best of 10:31.54, but has never run against a field of this caliber and has the potential to challenge DeBalsi and O’Keeffe based on her cross country success.

100-meter hurdles (6:24 p.m. PDT Saturday)

Favorite: Tara Davis, Agoura. Has run a state-best 13.64 and will be highly motivated after encountering a fall at the Texas Relays.

Other contenders: Jurnee Woodward, Vacaville, Elsja Mecham, Summit Academy (Utah) and Autumn Smith, Mountain Pointe (Arizona).Three of the most gifted hurdlers in the group have the potential to challenge for the title should Davis stumble again.

Sleeper: Kaylah Robinson, El Cerrito. Continued to gain confidence after her victory at the Stanford Invitational in 14.06 and is looking to eclipse her personal-best 13.97.

300-meter hurdles (7:26 p.m. PDT Saturday)

Favorite: Jurnee Woodward, Vacaville. Ran a lifetime-best 41.01 to place second at the Texas Relays, placing her entry time a full second ahead of the field.

Other contenders: Elsja Mecham, Summit Academy (Utah) and Breanna Bernard-Joseph, Roosevelt. Produced a great battle at the NIKE Chandler Rotary Invitational and both have the potential to run under 42 seconds.

Sleeper: Maya Miklos, Gunn. The national leader in the 400-meter hurdles at 1:00.62 will look to continue her momentum following another victory at the Stanford Invitational.

4 x 100 relay (5:37 p.m. PDT Saturday)

Favorite: Carson. Ran a state-leading 46.29 at the Stanford Invitational and should benefit from Kenyla Miles gaining eligibility this week following the 30-day sit-out period rule.

Other contenders: Serra and Newark Memorial. The only other California teams to run under 47 seconds could prevail if Carson struggles to execute its passes.

Sleeper: Mountain Pointe (Arizona). Won the NIKE Chandler Rotary Invitational in 47.10 and looks to prevent a California sweep of the sprint relays.

4 x 200 relay (5:42 p.m. PDT Friday)

Favorite: Serra. Won the California Winter Outdoor Championship in February and placed third last year at Arcadia, looking to secure the title this season.

Other contenders: Parkland (North Carolina) and Rancho Cucamonga. Parkland returns only one athlete from last year’s runner-up, but has great tradition in the sprint relays, and Rancho Cucamonga won the California Relays in convincing fashion.

Sleeper: Bishop O’Dowd. Although not as strong a contender in a loaded 4 x 100 field, the Dragons have the potential to surprise in this event.

4 x 400 relay (9:27 p.m. PDT Saturday)

Favorite: Carson. The state leader at 3:50.84, the Colts are expected to have Kaelin Roberts on the anchor, giving them an opportunity to sweep both the 4 x 100 and 4 x 400 titles.

Other contenders: Mission Viejo and Buchanan. Ranked second and third in the state, they both have the potential to run under 3:50 and will need to in order to prevail.

Sleeper: Oaks Christian. The wild cards in the field, the Lions are expected to have Carolyn Wilson and Lauren Rain Williams on their lineup and will be motivated after a second-place finish last year despite running 3:47.83.

4 x 800 relay (4:44 p.m. PDT Friday)

Favorite: Great Oak. The goal for the Wolfpack is to sweep all three distance relays and the quest begins here, with Destiny Collins, Kiyena Beatty, Taylor Lawson and Ally Talpash expected to compete.

Other contenders: Centennial (Nevada) and West Ranch. Both teams ran 9:30 or faster in March, but have bigger goals in their best opportunities to capture a relay championship at this year’s meet.

Sleeper: Clovis North. The two-time champions return three of the four from last year’s lineup in Camilla Hanson, Lauren Moffett and Lauren Lienau, but whether they have enough to overcome the graduation of anchor leg Mikaela Smith remains to be seen.

4 x 1,600 relay (7:45 p.m. PDT Friday)

Favorite: Great Oak. Although Destiny Collins and Evelyn Mandel are the only returning runners from last year’s lineup that ran 19:58.71, history has shown not to doubt the Wolfpack following its victory over Desert Vista (Arizona).

Other contenders: Davis Senior. Sofia Castiglioni, Abigail Fisk, Olivia O’Keeffe and Fiona O’Keeffe ran a national leader in the distance medley relay at the Stanford Invitational and will need to do the same in this event in order to defeat Great Oak.

Sleeper: Saugus. A former Arcadia Invitational champion and state record-holder in this event, the Centurions can’t be overlooked after a third-place finish last year.

800 sprint medley relay (6:53 p.m. PDT Friday)

Favorite: Bishop O’Dowd. With Carson shifting its focus to other relays, it could open the door for Bishop O’Dowd, which returns all four athletes from last year’s fourth-place finish.

Other contenders: Mountain Pointe (Arizona) and Carson. Although Carson has the fastest entry time of any team in the field, the Colts aren’t expected to run the same lineup that clocked 1:46.16 at the Redondo Invitational. Mountain Pointe has run 1:49.22 and finished fifth with the same lineup at Arcadia last year.

Sleeper: Oaks Christian. The Lions will have to make a decision as to whether they focus on the 800 or 1,600 sprint medley, but if their emphasis shifts to this event, they have the potential to win.

1,600 sprint medley relay (7:12 p.m. PDT Friday)

Favorite: Los Alamitos. Although last year’s Arcadia champion return only Ashley Willingham and Anijah Green from that lineup, the Griffins have the potential to win again depending on where other schools place their focus.

Other contenders: Oaks Christian and Long Beach Poly. After going 1-2 in last year’s 4 x 100 relay, the state powers could battle again for supremacy in this event. Both teams have plenty of options with their lineups, which could determine whether they can challenge the 4-minute mark.

Sleeper: St. Mary’s Berkeley. Has already produced a top 10 time nationally in the 800 sprint medley and the same lineup has the potential to surprise at the longer distance.

Distance medley relay (7:33 p.m. PDT Saturday)

Favorite: Great Oak. The Wolfpack has a strong desire to repeat as champion and with Destiny Collins choosing not to run the 3,200 in order to race this event, it gives them the opportunity to atone for a loss to Palos Verdes at the Redondo NIKE Invitational.

Other contenders: Palos Verdes, Centennial (Nevada) and Mission Viejo. All three teams will rely heavily on their opening and anchor legs in an attempt to break the 12-minute barrier and challenge Great Oak.

Sleeper: Davis Senior. Although the national leaders at 11:52.87 won’t have Fiona O’Keeffe on this lineup, the other three members will be competing, giving them the potential to challenge for another victory.

4 x 100 shuttle hurdles relay (6:13 p.m. PDT Friday)

Favorite: Mountain Pointe (Arizona). With Autumn Smith and Danielle Burns, the Pride moves up from the seeded race last year with aspirations of capturing the title.

Other contenders: Mission Viejo. Hannah Duarte and Olivia Teegarden give the Diablos the potential to secure victory.

Sleeper: Santa Margarita. Nikki Merritt will look to carry the Eagles in a race that also includes Fountain Valley.