* Three-Time All-American *
Career Bests (thru 2016 indoors):
- 400 meters: 52.59
- 800: 2:10.23
- 200: 24.16
- 500: 1:10.82i
- 600: 1:32.04i
Stanford Record Book:
Outdoors
- 400: 3rd
Indoors
- 400: 1st
- 500: 1st
- 4x400: 1st, 2nd, 5th, 7th, 8th, 9th
- DMR: 2nd, 3rd, 5th
At Stanford:
- Ran the 400 leg on Stanford's 2014 NCAA indoor runner-up distance medley relay team.
- Two first-team honors on the indoor DMR.
- Earned second-team outdoor All-America honors at the 2015 NCAA Championships in the 4x400.
2016 Season:
Indoors
- Ran the 400 leg on Stanford's third-place NCAA Championships DMR team.
- Brought Stanford from fourth to first with a 52.78 split, the fastest in the race.
- Earned the distinction of running legs on Stanford's school-record 4x400 team and the year's fastest distance medley relay team, in the same season.
- Anchored Stanford's school-record 4x400 team (3:33.78) with a 52.5 at the Don Kirby Elite.
- Ran the second leg (400) in the Cardinal DMR that won the Penn State National in 10:54.58, the eighth-fastest collegiate time in history, running a 52.6 split.
- Second in the MPSF Championships 400 (53.39), for her highest conference individual finish, indoors or outdoors.
- MPSF All-Academic team.
2015 Season:
Outdoors
- Earned All-America second team honors as a member fo the 15th-place Card 4x400 at NCAA’s.
- Pac-12 All-Academic honorable mention.
- Big Meet triple winner (200, 400, 4x400).
- USTFCCCA All-Academic team.
- Ran season-best 52.76 at the Pac-12 prelims.
- Fourth at the Pac-12 Championships in the 400 at 52.84.
- Advanced to the NCAA West Prelims in the 400, running 53.40 for 15th.
Indoors
- Broke her own school record in the 400 by running 53.35 to win the Husky Classic.
- Placed sixth at the MPSF Championships in the 400 (54.30).
- Ran leadoff on third-place 4x400 at the MPSF Championships (3:38.18).
- Ran legs on 4x400 relays that won the Razorback Invitational and Husky Classic.
- Her lead off split at Razorback was 53.91 on the 200-meter banked track at Arkansas.
- MPSF All-Academic team.
2014 Season:
Outdoors
- Won the Stanford Invitational 400 with a season best 52.70, placing her No. 3 all-time in Stanford history.
- Captured Big Meet victories in three events: the 200 (a lifetime best 24.16), 400 (52.70), and 4x400 (3:42.46).
- Ran the second leg of Stanford's runner-up distance medley relay at the Penn Relays.
- Named Pac-12 All-Academic honorable mention.
Indoors
- Earned first-team All-America honors by running the second (400 meter) leg on Stanford's second-place distance medley relay team at the NCAA Championships.
- Ran a split of 53.56 to extend Stanford's lead.
- Placed fourth at the MPSF Championships in the 400, breaking her own school record with a personal indoor best of 53.36.
- Broke the Stanford indoor 400 record in the season-opening UW Indoor Preview, running 53.39 on Jan. 18.
- Also broke the meet record.
- Was the sixth-fastest, indoors and outdoors, at Stanford.
- Won the invitational 500 at the Penn State National, setting a school record of 1:10.82.
- The time missed the all-time collegiate top 10 by 0.06.
- Ran the second leg (52.7 split for 400) during Stanford's school record-setting distance medley relay (10:54.04) in a winning effort at the Penn State National on Jan. 31.
- MPSF All-Academic team.
2013 Season:
Outdoors
- Ran the No. 7 400 time in school history with a 54.15 at the Triton Invitational.
- It was the second-fastest by a freshman in Stanford history.
- Placed 14th overall in the 400 at the Pac-12 Championships.
- Was 38th at the NCAA West Prelims (55.30).
- Second in the Big Meet at 54.29.
- Ran anchor on the sixth-place team at the Pac-12's in the 4x400 (3:38.15).
Indoors
- Anchored Stanford to third in the MPSF Championships in the 4x400.
- Team ran 3:38.16, the fourth-fastest indoor time in school history.
- Placed ninth in the 400 at MPSF's in 54.71.
- Had a season best 400 of 54.34 at the Alex Wilson Invitational.
- Made collegiate debut with a 1:32.04 in the 600 for second at the UW Preview.
- Won the Armory Invitational 500 title in 1:13.39.
High School:
- As a freshman, won Texas Class 4A state titles in the 400 (53.88) and the 800 (2:10.23).
- Her winning 800 time was a 4A state-meet record.
- Twice finished in the top 25 at the state 4A cross-country championships.
- 2009 All-Area Girls Track & Field Newcomer of the Year by the Dallas Morning News.
- Missed the 2010 and 2011 state meets because of injury.
- Ran 53.95 to finish second in the 2012 state 5A final in the 400.
- With both twins in the lineup, the Wolves 4x400 relay set a 5A Region 1 record of 3:43.68 in 2012.
Personal:
- Parents are Jessie and Terry Williams.
- Majoring in human biology.
- Twin sister Kaitlyn also runs for Stanford.
Career Results:
| Year | Season (Meets) | Event | Season Best | Conf. Finish | W. Prelims | NCAA Champs. |
| 2016 | Indoors (4) | 400 | 53.39 | 2 (MPSF) | -- | -- |
| 200 | 24.47 | -- | -- | -- | ||
| 4x400 | 3:33.78 | 2 (MPSF) | -- | -- | ||
| DMR | 10:54.58 | -- | -- | 3 | ||
| 2015 | Outdoors (6) | 400 | 52.76 | 4 (Pac-12) | 15 | -- |
| 200 | 24.08 | -- | -- | -- | ||
| 4x400 | 3:35.15 | 3 (Pac-12) | 10 | 15 | ||
| SMR | 3:58.02 | -- | -- | -- | ||
| DMR | 11:11.07 | -- | -- | -- | ||
| Indoors (3) | 400 | 53.35 | 6 (MPSF) | -- | -- | |
| 4x400 | 3:36.81 | 3 (MPSF) | -- | -- | ||
| 2014 | Outdoors (3) | 400 | 52.70 | -- | -- | -- |
| 200 | 24.16 | -- | -- | -- | ||
| 4x400 | 3:42.46 | -- | -- | -- | ||
| DMR | 10:57.64 | -- | -- | -- | ||
| Indoors (5) | 400 | 53.36 | 4 (MPSF) | -- | -- | |
| 500 | 1:10.82 | -- | -- | -- | ||
| 4x400 | 3:37.23 | 4 (MPSF) | -- | -- | ||
| DMR | 10:54.04 | -- | -- | 2 | ||
| 2013 | Outdoors (6) | 400 | 54.15 | 14 (Pac-12) | 38 | -- |
| 200 | 24.89w | -- | -- | -- | ||
| 4x400 | 3:35.11 | 6 (Pac-12) | -- | -- | ||
| Indoors (6) | 400 | 54.34 | 9 (MPSF) | -- | -- | |
| 500 | 1:13.39 | -- | -- | -- | ||
| 600 | 1:32.04 | -- | -- | -- | ||
| 4x400 | 3:38.16 | 3 (MPSF) | -- | -- |