Xinlong Xu

Birth dateMar 14, 2007

Height-

Weight-

Xinlong Xu is a China sprinter, born on March 14, 2007. He competes primarily in the 200m, 400m and 4x100m.

His personal bests include 21.80 in the 200m, 46.17 in the 400m, 41.49 in the 4x100m, 3:01.59 in the 4x400m and 3:06.90 in the 4x400Metre. He is currently active on the international athletics circuit, representing China.

Key facts

400 m

46.17

2026 season best

46.29

Apr 10, 2026 · Jiangnan Training Base Athletics Field, Nanning (CHN)

2026 season best

Last competition

Chinese Athletics Championships

Jun 26, 2026 · 46.58

Chinese Athletics Championships

Record

National record · 4x400 Metres Relay Short Track 3:06.90

National record

Age

19 years old

As of Sep 13, 2026: 400 m 46.17, 2026 season best 46.29 (Apr 10, 2026, Jiangnan Training Base Athletics Field, Nanning (CHN)) · Last competition: Chinese Athletics Championships, Jun 26, 2026, 46.58 · National record (4x400 Metres Relay Short Track) · 19 years old

Personal bests

21.80

46.17

41.49

3:01.59

3:06.90

47.54

21.80

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2026	200m-short-track	21.80	-	Mar 12, 2026	↑	National Indoor Athletics Grand Prix 2
2026	200m	21.80	-	Mar 12, 2026	↑	National Indoor Athletics Grand Prix 2
2026	400m	46.29	-	Apr 10, 2026	↑	Guangxi Athletics Invitational Meeting, Jiangnan Training Base Athletics Field, Nanning - Elite Event
2026	400m-short-track	47.81	-	Mar 7, 2026	↑	National Indoor Athletics Grand Prix 1
2026	4x400m	3:01.59	-	May 3, 2026	↑	World Athletics Relays
2025	400m	46.17	-	Sep 7, 2025	↑	World Athletics Continental Tour - Beijing, National Stadium, Beijing
2025	400m-short-track	47.54	-	Mar 7, 2025	↑	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
2025	4x400m	3:05.05	-	Aug 9, 2025	↑	Chinese Relays Championships
2025	4x400Metre	3:06.90	-	Mar 23, 2025	-	World Athletics Indoor Championships, Sports Training Center, Nanjing (i)
2024	200m	21.95	-1.2	Apr 10, 2024	↑	National Athletics Grand Prix 1, Zhaoqing Sports Center, Zhaoqing
2024	200m-short-track	22.04	-	Feb 28, 2024	↑	Chinese Indoor GP Series 1
2024	400m	46.64	-	Aug 28, 2024	↑	Korea-China-Japan U20 Sports Games, Yecheon Stadium, Yecheon
2024	400m-short-track	49.72	-	Mar 2, 2024	↑	Chinese Indoor GP Series 2, Xi'an (i)
2024	4x400m	3:07.40	-	Jun 16, 2024	↑	Chinese U20 Championships
2023	200m	22.53	+1.0	Jun 3, 2023	↑	4th National Grand Prix, Jiangjin Stadium, Chongqing
2023	4x100m	41.49	-	Sep 15, 2023	-	Chinese Relays Championships, Shangyu Stadium, Shaoxing
2023	400m	48.67	-	Aug 17, 2023	↑	The 1st Student (Youth) Games of the People's Repubic of China - Athletics Trial, Nanping
2023	4x400m	3:19.66	-	May 27, 2023	↑	3rd National Grand Prix, Taizhou

Discipline	Result	Wind	Date	Competitions
400m	46.58	-	Jun 26	Chinese Athletics Championships
4x400m	3:03.23	-	Jun 21	2nd Asian Relays Championships
4x400m	3:04.88	-	May 31	22nd Asian U20 Athletics Championships
4x400m	3:14.89	-	May 31	22nd Asian U20 Athletics Championships
400m	46.83	-	May 29	22nd Asian U20 Athletics Championships
400m	46.92	-	May 28	22nd Asian U20 Athletics Championships
400m	47.64	-	May 28	22nd Asian U20 Athletics Championships
4x400m	3:01.59	-	May 3	World Athletics Relays
400m	46.29	-	Apr 10	Guangxi Athletics Invitational Meeting, Jiangnan Training Base Athletics Field, Nanning - Elite Event
400m	46.55	-	Apr 10	Guangxi Athletics Invitational Meeting, Jiangnan Training Base Athletics Field, Nanning - Elite Event
200m-short-track	21.80	-	Mar 12	National Indoor Athletics Grand Prix 2
400m-short-track	50.20	-	Mar 11	National Indoor Athletics Grand Prix 2
200m-short-track	21.80	-	Mar 11	National Indoor Athletics Grand Prix 2
400m-short-track	47.86	-	Mar 7	National Indoor Athletics Grand Prix 1
400m-short-track	47.81	-	Mar 7	National Indoor Athletics Grand Prix 1

Discipline	Result	Wind	Date	Competitions
400m	47.14	-	Nov 18	The 15th Games of People's Republic of China, Guangdong Ersha Sports Training Center, Guangzhou
400m	46.17	-	Nov 17	The 15th Games of People's Republic of China, Guangdong Ersha Sports Training Center, Guangzhou
400m	46.40	-	Sep 28	National Athletics Championships, Kuishan Sports Center, Rizhao
400m	46.40	-	Sep 27	National Athletics Championships, Kuishan Sports Center, Rizhao
400m	46.32	-	Sep 27	National Athletics Championships, Kuishan Sports Center, Rizhao
400m	46.32	-	Sep 26	National Athletics Championships, Kuishan Sports Center, Rizhao
400m	46.17	-	Sep 7	World Athletics Continental Tour - Beijing, National Stadium, Beijing
400m	46.90	-	Sep 1	Regional (South China) Athletics Invitational Meeting, Ji'an
4x400m	3:05.05	-	Aug 9	Chinese Relays Championships
4x400m	3:05.62	-	Aug 7	Chinese Relays Championships
400m	46.22	-	Aug 3	Chinese Championships, Sports Center, Quzhou
400m	46.22	-	Aug 2	Chinese Championships, Sports Center, Quzhou
400m	46.47	-	Aug 2	Chinese Championships, Sports Center, Quzhou
400m	46.80	-	Jul 13	National Athletics Grand Prix Series - 6th Leg
400m	46.80	-	Jul 11	National Athletics Grand Prix Series - 6th Leg
4x400m	3:06.54	-	May 16	The 3rd Belt and Road Athletics Invitational Meeting & National Athletics Grand Prix Series-3rd Leg, Chongqing
400m	46.83	-	May 16	The 3rd Belt and Road Athletics Invitational Meeting & National Athletics Grand Prix Series-3rd Leg, Chongqing
400m	46.83	-	May 14	The 3rd Belt and Road Athletics Invitational Meeting & National Athletics Grand Prix Series-3rd Leg, Chongqing
4x400Metre	3:06.90	-	Mar 23	World Athletics Indoor Championships, Sports Training Center, Nanjing (i)
400m-short-track	47.73	-	Mar 8	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
400m-short-track	47.87	-	Mar 8	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
400m-short-track	47.54	-	Mar 8	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
400m-short-track	47.73	-	Mar 7	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
400m-short-track	47.54	-	Mar 7	Chinese Indoor Championships, Shandong Sports Training Center, Jinan (i)
4x400Metre	3:13.58	-	Feb 23	National Indoor Grand Prix 4, Sports Training Center, Nanjing (i)
400m-short-track	48.75	-	Feb 22	National Indoor Grand Prix 4, Sports Training Center, Nanjing (i)
4x400Metre	3:10.05	-	Feb 11	National Indoor Grand Prix 1, Xipu Training Base Indoor Athletics Stadium, Chengdu (i)
400m-short-track	48.03	-	Feb 10	National Indoor Grand Prix 1, Xipu Training Base Indoor Athletics Stadium, Chengdu (i)

Discipline	Result	Wind	Date	Competitions
4x400m	3:10.16	-	Sep 21	Chinese Relays Championships, Shangyu Stadium, Shaoxing
400m	47.50	-	Sep 16	National Athletics Championships, Sports Center, Quzhou
400m	47.50	-	Sep 14	National Athletics Championships, Sports Center, Quzhou
400m	46.64	-	Aug 28	Korea-China-Japan U20 Sports Games, Yecheon Stadium, Yecheon
400m	46.96	-	Aug 27	Korea-China-Japan U20 Sports Games, Yecheon Stadium, Yecheon
400m	46.82	-	Jul 14	Chinese U18 Championships, Sports Center, Yulin
400m	48.48	-	Jul 14	Chinese U18 Championships, Sports Center, Yulin

FAQ

Frequently asked questions

What is Xinlong Xu's 400 m personal best?

Xinlong Xu's 400 m personal best is 46.17, set on Sep 7, 2025 in National Stadium, Beijing (CHN).

Which events does Xinlong Xu compete in?

Xinlong Xu competes in the 400 m.

How did Xinlong Xu perform in 2026?

2026 season best: 46.29, set on Apr 10, 2026 in Jiangnan Training Base Athletics Field, Nanning (CHN). Last competition: Chinese Athletics Championships on Jun 26, 2026, 46.58.

Xinlong Xu

Personal bests

Performance Charts

Season bests

2026

2025

2024

Honours

Frequently asked questions