By Erik Boal, DyeStat Editor

Here is a list of 10 women's storylines to keep an eye on Friday-Sunday at the USATF Junior Outdoor Championships at Hayes Track at the Haugh Complex in Bloomington, Ind.:

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Middle-distance masterpiece

Two of the five prep female athletes in history to run under 2:01 will square off when reigning NCAA Division 1 champion Sammy Watson, a freshman at Texas A&M, is expected to match up against Bolles School FL senior and Stanford commit Caitlin Collier.

Collier clocked 2:00.85 on June 2 at the Music City Distance Carnival to elevate to the No. 4 all-time high school performer, trailing Watson, who ranks third with her 2:00.65 personal best from July in Switzerland.

Collier ranks second this year in the World U20 rankings, trailing only Australia’s Keely Small (2:00.81), with Watson at No. 4 with her 2:02.20 from May 25 at the NCAA Division 1 West Regionals in Sacramento.

Watson won the USATF Junior title in 2016 on her way to IAAF World U20 gold in Bydgoszcz, Poland. Collier captured the USATF Junior crown last year, before securing bronze at the Pan American U20 Championships in Trujillo, Peru.

UNLV freshman Avi’Tal Wilson-Perteete, who ranks third among World U20 athletes this year with her 2:01.14 from the West Regionals, looks to rebound after not qualifying for the NCAA final.

Baxter ready to battle for another team

Virginia Tech freshman Rachel Baxter has been a constant representing the U.S. in the pole vault on the World U18 and U20 levels since her sophomore year at Anaheim Canyon High in California.

After competing in 2015 at the World U18 Championships in Cali, Colombia and in 2016 at the World U20 Championships in Poland, followed by the Pan American U20 Championships last year in Peru, Baxter will look to extend the streak to four straight summers competing internationally by qualifying to compete July 10 in Tampere, Finland in her final year of World U20 eligibility.

Baxter, who placed fourth at the NCAA Division 1 Outdoor Championships, ranks No. 5 among World U20 vaulters this year with a 14-3.50 (4.36m) clearance. Virginia Tech teammate Lisa Gunnarsson, representing Sweden, placed third in the NCAA final and leads all World U20 athletes at 15-1 (4.60m).

New Caney TX senior Nastassja Campbell, who shares the high school national lead with a 14-0 (4.27m) clearance, will also challenge for a spot on the U.S. roster.

High hopes in hurdles

Four of the seven prep female athletes in history who have run under 13 seconds in the 100-meter hurdles under all conditions are scheduled to compete, with only two spots on the line to qualify for the American roster.

George Walton Comprehensive GA junior Tia Jones set the national high school record at the 2016 USATF Junior Outdoor Championships in Clovis, Calif., running a wind-legal 12.84 seconds, which is equal to No. 4 in World U20 history.

USC freshman Chanel Brissett, a 12.95 performer at Cheltenham PA, elevated to the No. 2 all-time World U20 performer, clocking 12.75 to win the Pac-12 title May 13.

Florida State freshman Cortney Jones ascended to No. 7 in World U20 history by running 12.86 in the semifinals at the NCAA Division 1 Outdoor Championships.

Georgia freshman Tara Davis, who ran the fastest all conditions time ever by a high school athlete by clocking a wind-aided 12.83 last year, looks to dip under 13 seconds again after a season-best 13.09 in the NCAA Division 1 semifinals.

Jones and Davis captured gold and silver medals last year at the Pan Am U20 Championships in Peru.

Oregon freshman Kaylah Robinson, who ran a wind-aided 12.98 during her senior year at El Cerrito CA, hopes to improve on her season-best 13.24 from the Pac-12 Championships. South Carolina freshman Caitlyn Little could also steal a roster spot with a season-best 13.10 at the SEC Outdoor Championships.

Wilson pursues throwing trifecta

UCLA freshman Alyssa Wilson was one of only two American athletes to compete in two individual events at the Pan Am U20 Championships last year, winning the shot put and placing ninth in the hammer throw in Peru.

Wilson secured All-America honors at the NCAA Division 1 Outdoor Championships by placing fourth in the hammer throw and sixth in the shot put.

She is also entered in Indiana in the discus throw, her first opportunity Friday to make the U.S. team, followed by the hammer throw Saturday and the shot put Sunday.

A pair of Ivy League freshmen, Princeton’s Obi Amaechi and Penn’s Ashley Anumba, are entered in the discus, along with national high school leader Shelby Moran of Sherwood OR.

Wilson be challenged by fellow freshmen Makenli Forrest of Louisville and Jill Shippee of North Carolina in the hammer throw, along with Moran.

In the shot put, South Carolina freshman Kathleen Young, Iowa State freshman Essence Henderson and Ashland redshirt freshman Lindsay Baker will all look to knock off Wilson.

Hall hopes for more heptathlon history

Anna Hall won’t need to eclipse her national high school heptathlon record in order to make the U.S. roster, but it will be interesting to see what the Valor Christian CO junior does competing at sea level after setting the national high school record May 31 and June 1 at altitude at the Great Southwest Classic in Albuquerque, N.M.

Hall, who ranks No. 8 among World U20 heptathletes this year with 5,798 points, will square off with Marietta GA standout Sterling Lester in a rematch of their Great Southwest showdown. Lester is the only other entry close to the IAAF World U20 qualifying mark of 5,300 points, winning the Arcadia Multis with 5,288 points April 6-7.

Hall is the No. 2 American U20 performer in history, trailing only former Georgia star Kendell Williams.

Pac-12 presence in the sprints

After running side by side during their freshman seasons in search of Pac-12 and NCAA glory, USC talent Twanisha “Tee Tee” Terry and Oregon’s Jasmin Reed and Lauren Rain Williams could become teammates on the U.S. roster, depending on their performances in the 100-meter dash.

Terry, the World U20 leader this year and equal to the No. 4 performer in history with her wind-legal 10.99 effort April 21 at the Mt. SAC Relays, decided to scratch the 200 and only focus on the 100.

Alabama freshman Tamara Clark, No. 2 among World U20 performers this year and sixth all-time, has run 11.02. Reed and Williams have run 11.23 and 11.29, the only additional entries under 11.30.

Williams and Clark rank third and fourth among World U20 athletes in the 200 at 22.51 and 22.53.

Along with fellow sub-23 entries Reed and Ohio State freshman Anavia Battle, also entered in the 200 is Denver East CO junior Arria Minor, who ranks No. 8 among World U20 performers this year at 22.89.

Minor is also entered in the 400, where she’ll square off against Miami (Florida) freshman Symone Mason and Florida freshman Taylor Manson. Oregon freshman Shae Anderson is entered in the 200 and 400 as well.

Mason captured silver in the 200 and bronze in the 100 last year at the Pan Am U20 Championships in Peru.

Jumping medalists seek memorable returns

Georgia freshman Tara Davis secured the gold medal in the long jump last year in Peru after achieving the same feat in 2015 at the World U18 Championships in Colombia. Only a foot injury in 2017 prevented Davis from trying to qualify for a fourth consecutive American roster.

The World U20 long jump leader at 21-9 (6.63m), Davis boasts a significant advantage over the rest of the field. She placed fifth at the NCAA Division 1 Outdoor Championships with a wind-aided leap of 21-3.25 (6.48m).

Texas Tech freshman G’Auna Edwards, who has jumped 20-9 (6.32m), or Purdue freshman Zhane Smith at 20-7.25 (6.28m) are capable of securing the second spot on the U.S. roster, but it could also go to Mansfield Lake Ridge TX junior Jasmine Moore, the national prep leader at 21-0.25 (6.41m).

Alabama freshman Jaimie Robinson and Moore were second and third last year in the triple jump in Peru, but Moore has ascended to another level this season, producing a wind-legal leap of 44-1 (13.43m) and a wind-aided effort of 45-4.75 (13.84m).

Robinson, who soared to a wind-legal 43-10.50 (13.37m) mark and wind-aided 44-4 (13.51) effort as a high school senior, couldn’t match those performances so far this season. Her best mark came April 20 with a leap of 42-9.50 (13.04m).

Curtis senior Lexi Ellis, who set the Washington state record May 26 with a 43-6 (13.26m) jump, is also expected to challenge for a roster spot, along with Silver Creek senior Arianna Fisher, the California state champion.

Showdown of six-foot standouts

Sanaa Barnes of Northwest Nelson TX qualified for the Pan Am U20 Championships last year, placing ninth, but it will be a tall order for the Villanova commit to secure a spot on another American roster competing Saturday against three athletes boasting 6-foot clearances this year.

Zionsville IN senior Katie Isenbarger is the national prep leader at 6-1 (1.85m), Panther Creek NC sophomore Morgan Smalls ranks second at 6-0.25 (1.84m) and Noblesville IN junior Shelby Tyler is tied for No. 3 at 6-0 (1.83m).

Barnes is tied for sixth nationally at 5-11 (1.80m).

LSU freshman Abigail O’Donohue, who boasts a 5-11.25 (1.81m) clearance, is also entered.

Distance duels feature promising preps chasing college talents

Whether it’s Villanova’s Rachel McArthur and Brigham Young’s Kate Hunter squaring off against Bolles School FL senior Caitlin Collier in the 1,500 meters, or Iowa State freshmen Cailie Logue and Amanda Vestri matching up in the 3,000 against rising prep stars Katelynne Hart, Marlee Starliper, London Culbreath and Adoette Vaughan, it will be fascinating to see which athletes prevail.

Hart (Glenbard West), Starliper (Northern PA), Culbreath (McKinney North TX) and Vaughan (Hockaday TX) have all competed at the national level in cross country.

Logue and Vestri are also entered in the 5,000, along with Boise State freshman Emily Venters and Starliper.

The 3,000 steeplechase features Villanova’s Alexandra Harris, the Pan Am U20 bronze medalist last year in Peru, taking on Furman’s Kristlin Gear, as well as Katie Thronson of Lewis and Clark WA, in addition to La Costa Canyon CA junior Kristin Fahy.

Taylor Ewert of Beavercreek OH and Marist freshman Lauren Harris, both national high school record holders during their careers in the racewalk, will compete Sunday in the 10-kilometer event.

A daunting double

Bullis MD star Masai Russell, the Pan Am U20 bronze medalist in the 400-meter hurdles last year in Peru, has multiple goals in mind this weekend, beginning with a title Saturday in Indiana.

Russell is then scheduled to fly to North Carolina to compete Sunday for Bullis in search of relay gold medals at New Balance Nationals Outdoor.

The conflicting schedules won’t allow Russell to race in the shuttle hurdles relay Saturday in Greensboro, but she is expected to compete Sunday for Bullis in the 4x100 and 4x400 relays.

Russell boasts the top qualifying time in the 400 hurdles at 57.55, with LSU freshman Jurnee Woodward the only other entry with a sub-58 effort at 57.77.

Several high school 300-meter hurdlers will be testing themselves at the longer distance, including junior Brooke Jaworski of Wausau West, who clocked 41.40 at the Wisconsin state meet.

Russell is the No. 4 all-time prep performer in the 300 hurdles at 40.16 and ranks 21st in the 400 hurdles.