Sienna Lief

Waltham Track · Class of 2027

108 resultsTrack & Field2024–20269 first-place finishes

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Best marks in available results
Event / course	Mark	Meet	Date
100 Meters · OutdoorUSATF Region 1 Junior Olympic Championships · Jun 25	12.47a	USATF Region 1 Junior Olympic Championships	June 25, 2026
200 Meters · IndoorMSTCA Northeast Invitational · Jan 10	28.93a	MSTCA Northeast Invitational	January 10, 2025
200 Meters · OutdoorBSC-2 Milton, Framingham, Wellesley at Weymouth · Apr 15	26.64a	BSC-2 Milton, Framingham, Wellesley at Weymouth	April 15, 2026
300 Meters · IndoorBay State Conference - Block #4 · Jan 9	47.05a	Bay State Conference - Block #4	January 9, 2025
55 Meter · IndoorBay State Conf - Block#1 · Dec 11	7.82a	Bay State Conf - Block#1	December 11, 2025
55 Meters · IndoorBay State Conf - Meet of Champions · Feb 4	7.48a	Bay State Conf - Meet of Champions	February 4, 2026
55 Meters · OutdoorThe Rising Stars Classic · Mar 8	7.98a	The Rising Stars Classic	March 8, 2025
600 Meters · IndoorBay State Conference - Block #2 · Dec 19	1:52.84a	Bay State Conference - Block #2	December 19, 2024
Long Jump · IndoorBay State Conf - Block #2 · Dec 18	15-11.00	Bay State Conf - Block #2	December 18, 2025
Long Jump · OutdoorBSC-3 Braintree, Brookline, Weymouth at Wellesley · Apr 29	17' 0"	BSC-3 Braintree, Brookline, Weymouth at Wellesley	April 29, 2026
Triple Jump · IndoorMSTCA Boston Holiday Challenge · Dec 27	32-09.25	MSTCA Boston Holiday Challenge	December 27, 2025
Triple Jump · OutdoorBSC-2 Milton, Framingham, Wellesley at Weymouth · Apr 15	33-01.00	BSC-2 Milton, Framingham, Wellesley at Weymouth	April 15, 2026

Best marks from the meets included here. Cross Country bests are grouped by course and distance.

Date	Meet	Event	Pl	Mark	Gr
Jul 27	2026 USATF National Junior Olympic Track & Field ChampionshipsJul 27 · Long Jump · Waltham TrackWaltham Track	Long Jump	--	DNS	11
Jul 27	2026 USATF National Junior Olympic Track & Field ChampionshipsJul 27 · 100 Meters · Waltham TrackWaltham Track	100 MetersRound P	--	DNSWind: -2.2	11
Jul 25	USATF-NE Open and Masters ChampionshipJul 25 · Long Jump · Waltham TrackWaltham Track	Long Jump	--	DNS	11
Jul 25	USATF-NE Open and Masters ChampionshipJul 25 · 100 Meters · Place 4 · Waltham TrackWaltham Track	100 MetersRound P	4.	12.84aWind: 1.8	11
Jul 25	USATF-NE Open and Masters ChampionshipJul 25 · 100 Meters · Place 4 · Waltham TrackWaltham Track	100 Meters	4.	12.96aWind: -0.3	11
Jun 25	USATF Region 1 Junior Olympic ChampionshipsJun 25 · Long Jump · Place 3 · Waltham TrackWaltham Track	Long Jump	3.	5.30mWind: 0	11
Jun 25	USATF Region 1 Junior Olympic ChampionshipsJun 25 · 100 Meters · Place 3 · Waltham TrackWaltham Track	100 MetersRound P	3.	12.76aWind: 0.3	11
Jun 25	USATF Region 1 Junior Olympic ChampionshipsJun 25 · 100 Meters · Place 3 · Waltham TrackWaltham Track	100 Meters	3.	12.47a PBWind: 1.1	11
Jun 12	USATF New England Association Junior Olympic ChampionshipJun 12 · Long Jump · Place 2 · Waltham TrackWaltham Track	Long Jump	2.	5.45mWind: -1.1	11
Jun 12	USATF New England Association Junior Olympic ChampionshipJun 12 · 100 Meters · Place 3 · Waltham TrackWaltham Track	100 MetersRound P	3.	12.89aWind: 1.2	11
Jun 12	USATF New England Association Junior Olympic ChampionshipJun 12 · 100 Meters · Place 1 · Waltham TrackWaltham Track	100 Meters	1.	12.84aWind: -1.1	11
May 29	MIAA Division 2 Track & Field ChampionshipMay 29 · Long Jump · Place 4 · WellesleyWellesley	Long Jump	4.	17-03.25	11
May 29	MIAA Division 2 Track & Field ChampionshipMay 29 · 100 Meters · Place 5 · WellesleyWellesley	100 MetersRound P	5.	12.74aWind: -0.5	11
May 29	MIAA Division 2 Track & Field ChampionshipMay 29 · 100 Meters · Place 4 · WellesleyWellesley	100 Meters	4.	12.65aWind: 0.3	11
May 20	BSC ChampionshipsMay 20 · Long Jump · Place 2 · WellesleyWellesley	Long Jump	2	17-8	11
May 20	BSC ChampionshipsMay 20 · 100 Meters · Place 2 · WellesleyWellesley	100 Meters	2	12.65a	11
May 20	BSC ChampionshipsMay 20 · 100 Meters · Place 2 · WellesleyWellesley	100 Meters	2	12.73a	11
May 6	Wellesley, Weymouth, Natick, and NeedhamMay 6 · Long Jump · Place 3 · WellesleyWellesley	Long Jump	3	15-5.5	11
May 6	Wellesley, Weymouth, Natick, and NeedhamMay 6 · 200 Meters · Place 4 · WellesleyWellesley	200 Meters	4	27.70a	11
May 6	Wellesley, Weymouth, Natick, and NeedhamMay 6 · 100 Meters · Place 2 · WellesleyWellesley	100 Meters	2	12.83a	11
May 2	MSTCA Division 2 RelaysMay 2 · Triple Jump · Place 8 · WellesleyWellesley	Triple Jump	8	10.05m	11
May 2	MSTCA Division 2 RelaysMay 2 · Long Jump · Place 6 · WellesleyWellesley	Long Jump	6	5.02m	11
Apr 29	BSC-3 Braintree, Brookline, Weymouth at WellesleyApr 29 · Long Jump · Place 2 · WellesleyWellesley	Long Jump	2.	17' 0" PB	11
Apr 29	BSC-3 Braintree, Brookline, Weymouth at WellesleyApr 29 · 200 Meters · Place 1 · WellesleyWellesley	200 Meters	1.	27.03a	11
Apr 29	BSC-3 Braintree, Brookline, Weymouth at WellesleyApr 29 · 100 Meters · Place 1 · WellesleyWellesley	100 Meters	1.	12.79a	11
Apr 23	MSTCA Warrior InvitationalApr 23 · Long Jump · Place 4 · WellesleyWellesley	Long Jump	4	16-8	11
Apr 23	MSTCA Warrior InvitationalApr 23 · High Jump · WellesleyWellesley	High Jump	—	NH	11
Apr 23	MSTCA Warrior InvitationalApr 23 · 100 Meters · Place 11 · WellesleyWellesley	100 Meters	11	12.74a	11
Apr 15	BSC-2 Milton, Framingham, Wellesley at WeymouthApr 15 · Triple Jump · Place 3 · WellesleyWellesley	Triple Jump	3.	33-01.00 PB	11
Apr 15	BSC-2 Milton, Framingham, Wellesley at WeymouthApr 15 · 200 Meters · Place 3 · WellesleyWellesley	200 Meters	3.	26.64a PB	11
Apr 15	BSC-2 Milton, Framingham, Wellesley at WeymouthApr 15 · 100 Meters · Place 2 · WellesleyWellesley	100 Meters	2.	12.69a	11
Apr 8	Weymouth, Wellesley & Walpole @ Newton NorthApr 8 · Long Jump · Place 3 · WellesleyWellesley	Long Jump	3.	16' 7"	11
Apr 8	Weymouth, Wellesley & Walpole @ Newton NorthApr 8 · 100 Meters · Place 1 · WellesleyWellesley	100 Meters	1.	12.97a	11

Date	Meet	Event	Pl	Mark	Gr
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · Long Jump · Place 5 · WellesleyWellesley	Long Jump	5	16-3.25	11
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · 55 Meters · Place 5 · WellesleyWellesley	55 MetersRound P	5	7.52a	11
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · 55 Meters · Place 6 · WellesleyWellesley	55 Meters	6	7.55a	11
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · Long Jump · Place 5 · WellesleyWellesley	Long Jump	5	16-03.25	11
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · 55 Meters · Place 6 · WellesleyWellesley	55 Meters	6	7.55	11
Feb 11	MIAA Division 2 Indoor Track & Field ChampionshipFeb 11 · 55 Meters · Place 5 · WellesleyWellesley	55 MetersRound P	5	7.52	11
Feb 4	Bay State Conf - Meet of ChampionsFeb 4 · Long Jump · Place 6 · WellesleyWellesley	Long Jump	6	15-7.25	11
Feb 4	Bay State Conf - Meet of ChampionsFeb 4 · 55 Meters · Place 4 · WellesleyWellesley	55 Meters	4	7.52a	11
Feb 4	Bay State Conf - Meet of ChampionsFeb 4 · 55 Meters · Place 4 · WellesleyWellesley	55 Meters	4	7.48a PB	11
Jan 28	Bay Sate Conf - Open MeetJan 28 · Long Jump · Place 2 · WellesleyWellesley	Long Jump	2	16-6.50	11
Jan 28	Bay Sate Conf - Open MeetJan 28 · High Jump · Place 1 · WellesleyWellesley	High Jump	1	4-8	11
Jan 28	Bay Sate Conf - Open MeetJan 28 · 55 Meters · Place 2 · WellesleyWellesley	55 Meters	2	7.53a	11
Jan 22	Bay State Conf - Block #5Jan 22 · 55 Meters · Place 9 · WellesleyWellesley	55 Meters	9	7.68a	11
Jan 22	Bay State Conf - Block #5Jan 22 · Long Jump · Place 1 · WellesleyWellesley	Long Jump	1	15-11.50	11
Jan 18	MSTCA Kalperis Relays - Division 2Jan 18 · Long Jump · Place 12 · WellesleyWellesley	Long Jump	12	4.59m	11
Jan 15	Bay State Conf - Block #4Jan 15 · Long Jump · Place 9 · WellesleyWellesley	Long Jump	9	16-0.75	11
Jan 15	Bay State Conf - Block #4Jan 15 · 55 Meters · Place 7 · WellesleyWellesley	55 Meters	7	7.73a	11
Jan 10	The Nor'Easter at the TrackJan 10 · Triple Jump · Place 11 · WELLESLEYWELLESLEY	Triple Jump	11	30-2.25	11
Jan 10	The Nor'Easter at the TrackJan 10 · Long Jump · Place 16 · WELLESLEYWELLESLEY	Long Jump	16	13-5.50	11
Jan 8	Bay State Conf - Block#3Jan 8 · Long Jump · Place 7 · WellesleyWellesley	Long Jump	7	15-5	11
Jan 8	Bay State Conf - Block#3Jan 8 · 55 Meters · Place 5 · WellesleyWellesley	55 Meters	5	7.71a	11

Date	Meet	Event	Pl	Mark	Gr
Dec 27	MSTCA Boston Holiday ChallengeDec 27 · 55 Meter · Place 47 · WellesleyWellesley	55 MeterRound P	47.	7.90a	11
Dec 27	MSTCA Boston Holiday ChallengeDec 27 · Triple Jump · Place 10 · WellesleyWellesley	Triple Jump	10.	32-09.25 PB	11
Dec 20	The Beantown Winter ClassicDec 20 · 55 Meter · Place 23 · UnattachedUnattached	55 MeterRound P	23.	8.01a	11
Dec 18	Bay State Conf - Block #2Dec 18 · 55 Meter · Place 8 · WellesleyWellesley	55 Meter	8.	7.85a	11
Dec 18	Bay State Conf - Block #2Dec 18 · Long Jump · Place 6 · WellesleyWellesley	Long Jump	6.	15-11.00 PB	11
Dec 11	Bay State Conf - Block#1Dec 11 · 55 Meter · Place 6 · WellesleyWellesley	55 Meter	6.	7.82a PB	11
Dec 11	Bay State Conf - Block#1Dec 11 · Long Jump · Place 13 · WellesleyWellesley	Long Jump	13.	14-02.50	11
Feb 13	MIAA Division 2 Indoor Track & Field ChampionshipFeb 13 · 55 Meters · Place 19 · WellesleyWellesley	55 MetersRound P	19	7.79a	—
Feb 5	Bay State Conf - Meet of ChampionsFeb 5 · 55 Meters · Place 7 · WellesleyWellesley	55 Meters	7	7.73a	—
Feb 5	Bay State Conf - Meet of ChampionsFeb 5 · 55 Meters · Place 8 · WellesleyWellesley	55 Meters	8	7.74a	—
Jan 28	BSC OpenJan 28 · 55 Meters · Place 9 · WellesleyWellesley	55 Meters	9	7.91a	—
Jan 28	Bay State Conference - OpenJan 28 · 200 Meters · WellesleyWellesley	200 MetersRelay Split	—	27.4hUnofficial	10
Jan 28	Bay State Conference - OpenJan 28 · 55 Meter · Place 9 · WellesleyWellesley	55 Meter	9.	7.91a	10
Jan 26	MSTCA Coaches Invitational (Large Schools)Jan 26 · 55 Meters · Place 41 · WellesleyWellesley	55 Meters	41	7.94a	—
Jan 23	Bay State Conference - Block 5Jan 23 · 600 Meters · Place 22 · WellesleyWellesley	600 Meters	22	1:53.05a	—
Jan 23	Bay State Conference - Block 5Jan 23 · 55 Meters · Place 1 · WellesleyWellesley	55 Meters	1	7.91a	—
Jan 10	MSTCA Northeast InvitationalJan 10 · 200 Meters · Place 54 · WellesleyWellesley	200 Meters	54	28.93a PB	—
Jan 10	MSTCA Northeast InvitationalJan 10 · 55 Meters · Place 57 · WellesleyWellesley	55 Meters	57	8.04a	—
Jan 9	Bay State Conference - Block #4Jan 9 · 300 Meters · Place 2 · WellesleyWellesley	300 Meters	2	47.05a PB	—
Jan 9	Bay State Conference - Block #4Jan 9 · 55 Meters · Place 1 · WellesleyWellesley	55 Meters	1	8.00a	—
Jan 4	MSTCA Freshman-Sophomore Meet (Large Schools)Jan 4 · 55 Meters · Place 30 · WellesleyWellesley	55 Meters	30	8.13a	—
Jan 2	Bay State Conference - Block#3Jan 2 · 300 Meters · Place 22 · WellesleyWellesley	300 Meters	22	47.83	—

Date	Meet	Event	Pl	Mark	Gr
May 29	MIAA Division 2 Track & Field ChampionshipMay 29 · Triple Jump · Place 16 · WellesleyWellesley	Triple Jump	16	32-5.25	10
May 21	Bay State Conference Championship MeetMay 21 · Triple Jump · Place 5 · WellesleyWellesley	Triple Jump	5	33-7.75	10
May 14	BSC JV Open Meet May 14 · Triple Jump · Place 2 · WellesleyWellesley	Triple Jump	2	33-02.00	10
May 14	BSC JV Open Meet May 14 · 100 Meters · Place 4 · WellesleyWellesley	100 Meters	4	14.01a	10
May 7	Weymouth, Wellesley, Natick, and NeedhamMay 7 · Triple Jump · Place 2 · WellesleyWellesley	Triple Jump	2	33-07.25	10
May 7	Weymouth, Wellesley, Natick, and NeedhamMay 7 · 100 Meters · Place 9 · WellesleyWellesley	100 Meters	9	13.89a	10
May 3	MSTCA Jim Hoar Freshman Sophomore InvitationalMay 3 · 100 Meters · Place 67 · WellesleyWellesley	100 MetersRound P	67	13.92a	10
May 3	Weston Twilight Invitational - Weston EventsMay 3 · Triple Jump · Place 17 · WellesleyWellesley	Triple Jump	17	31-11.00	10
Apr 30	Bay State Conference Quad 3 - WellesleyApr 30 · Triple Jump · Place 6 · WellesleyWellesley	Triple Jump	6	32-2	10
Apr 30	Bay State Conference Quad 3 - WellesleyApr 30 · 100 Meters · Place 8 · WellesleyWellesley	100 Meters	8	14.21a	10
Mar 8	The Rising Stars ClassicMar 8 · 55 Meters · Place 38 · WellesleyWellesley	55 MetersRound P	38	28.74a	—
Mar 8	The Rising Stars ClassicMar 8 · 55 Meters · Place 16 · WellesleyWellesley	55 MetersRound P	16	7.98a PB	—

Date	Meet	Event	Pl	Mark	Gr
Dec 19	Bay State Conference - Block #2Dec 19 · 600 Meters · Place 16 · WellesleyWellesley	600 Meters	16.	1:52.84a PB	10
Dec 19	Bay State Conference - Block #2Dec 19 · 55 Meter · Place 1 · WellesleyWellesley	55 Meter	1.	8.01a	10
Dec 12	Bay State Conference - Block #1Dec 12 · 55 Meter · Place 11 · WellesleyWellesley	55 Meter	11.	8.04a	10
Dec 12	Bay State Conference - Block #1Dec 12 · Long Jump · Place 31 · WellesleyWellesley	Long Jump	31.	11-09.75	10
Dec 12	Bay State Conference - Block #1Dec 12 · 400 Meters · WellesleyWellesley	400 MetersRelay Split	—	1:08.2hUnofficial	10

Date	Meet	Event	Pl	Mark	Gr
Jul 20	BSG 2024Jul 20 · 100 Meters · Place 8 · ScholasticScholastic	100 Meters	8.	13.80a	9
May 15	Bay State Conf ChampionshipMay 15 · 100 Meters · Place 21 · WellesleyWellesley	100 Meters	21	14.07a	—
May 11	MSTCA Coaches InvitationalMay 11 · 100 Meters · Place 19 · WellesleyWellesley	100 MetersRound P	19.	13.91a	9
May 4	MSTCA Jim Hoar Frosh-Soph InvitationalMay 4 · 100 Meters · Place 53 · WellesleyWellesley	100 Meters	53	14.17a	—
May 1	Wellesely @ NatickMay 1 · Long Jump · WellesleyWellesley	Long Jump	—	14'2.75Unofficial	9
May 1	Wellesely @ NatickMay 1 · 200 Meters · WellesleyWellesley	200 Meters	—	29.3Unofficial	9
May 1	Wellesely @ NatickMay 1 · 100 Meters · WellesleyWellesley	100 Meters	—	13.8Unofficial	9
Apr 24	Brookline @ WellesleyApr 24 · Long Jump · Place 9 · WellesleyWellesley	Long Jump	9.	12'05.5Unofficial	9
Apr 24	Brookline @ WellesleyApr 24 · 200 Meters · Place 32 · WellesleyWellesley	200 Meters	32.	29.6Unofficial	9
Apr 24	Brookline @ WellesleyApr 24 · 100 Meters · WellesleyWellesley	100 Meters	—	13.4Unofficial	9
Apr 10	Wellesley at FraminghamApr 10 · Long Jump · WellesleyWellesley	Long Jump	—	14'04.5Unofficial	9
Apr 10	Wellesley at FraminghamApr 10 · 200 Meters · WellesleyWellesley	200 Meters	—	29.6Unofficial	9
Apr 10	Wellesley at FraminghamApr 10 · 100 Meters · WellesleyWellesley	100 Meters	—	14.3Unofficial	9
Apr 5	Milton at WellesleyApr 5 · Long Jump · Place 6 · WellesleyWellesley	Long Jump	6.	13-06.5	9
Apr 5	Milton at WellesleyApr 5 · 100 Meters · Place 14 · WellesleyWellesley	100 Meters	14.	14.7	9

Sienna Lief

Personal bests

2026 Outdoor Track

2026 Indoor Track

2025 Indoor Track

2025 Outdoor Track

2024 Indoor Track

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