2010 World Junior Championships in Athletics
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
3000 m		women
5000 m	men	women
10,000 m	men
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men	women
4 × 100 m relay	men	women
4 × 400 m relay	men	women
10,000 m walk	men	women
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	men	women
Shot put	men	women
Discus throw	men	women
Hammer throw	men	women
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men
v t e

The women's javelin throw event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 21 July.^[1][2]

Gold	Sanni Utriainen  Finland
Silver	Līna Mūze  Latvia
Bronze	Tazmin Brits  South Africa

21 July

Rank	Name	Nationality	Attempts						Result	Notes
			1	2	3	4	5	6
	Sanni Utriainen	Finland	54.31	49.92	x	x	55.36	56.69	56.69
	Līna Mūze	Latvia	49.44	x	45.82	56.64	x	54.57	56.64
	Tazmin Brits	South Africa	50.25	x	48.41	54.55	53.79	x	54.55
4	María Lucelly Murillo	Colombia	46.95	54.44	51.84	50.58	x	51.95	54.44
5	Rafaela Gonçalves	Brazil	50.61	52.50	53.29	50.22	x	49.81	53.29
6	Lismania Muñoz	Cuba	51.97	x	49.87	50.26	52.87	48.75	52.87
7	Anna Habina	Ukraine	50.61	50.13	x	50.70	x	48.68	50.70
8	Allison Updike	United States	50.08	49.87	48.46	x	x	47.70	50.08
9	Lisanne Schol	Netherlands	44.81	49.03	x				49.03
10	Sarah Mayer	Germany	48.89	x	x				48.89
11	Tiffany Perkins	Canada	45.83	x	x				45.83
12	Chen Min-Fang	Chinese Taipei	42.44	42.44	42.42				42.44

20 July

Rank	Name	Nationality	Attempts			Result	Notes
			1	2	3
1	Sanni Utriainen	Finland	47.88	45.33	55.27	55.27	Q
2	Līna Mūze	Latvia	54.87	-	-	54.87	Q
3	Lismania Muñoz	Cuba	47.31	52.99	51.69	52.99	q
4	Lisanne Schol	Netherlands	45.74	46.77	48.92	48.92	q
5	Tazmin Brits	South Africa	48.68	48.10	47.79	48.68	q
6	Emelie Larsson	Sweden	42.93	47.68	48.26	48.26
7	Avione Allgood	United States	45.55	48.00	45.31	48.00
8	Wu I-Wen	Chinese Taipei	41.82	46.70	44.47	46.70
9	Gülsüm Günes	Turkey	46.68	45.86	45.30	46.68
10	Laura Henkel	Germany	46.29	45.49	43.25	46.29
11	Vilma Rantalainen	Finland	40.28	43.48	38.08	43.48
12	Betzabet Menéndez	Mexico	39.31	43.26	42.96	43.26

Rank	Name	Nationality	Attempts			Result	Notes
			1	2	3
1	María Lucelly Murillo	Colombia	49.16	51.99	50.42	51.99	q
2	Sarah Mayer	Germany	50.86	48.44	49.11	50.86	q
3	Rafaela Gonçalves	Brazil	50.13	49.62	x	50.13	q
4	Anna Habina	Ukraine	49.87	49.94	x	49.94	q
5	Allison Updike	United States	46.80	47.03	48.93	48.93	q
6	Chen Min-Fang	Chinese Taipei	48.82	48.01	43.18	48.82	q
7	Tiffany Perkins	Canada	48.46	x	42.59	48.46	q
8	Liina Laasma	Estonia	43.85	44.17	48.22	48.22
9	Marija Vucenovic	Serbia	47.86	48.10	46.67	48.10
10	Karolina Mor	Poland	47.96	x	47.25	47.96
11	Tatsiana Khaladovich	Belarus	45.99	45.29	x	45.99

According to an unofficial count, 23 athletes from 19 countries participated in the event.