KEIYU MAMIYA (SO-2)

WILLIAMS

College Bests

800 1500
MILE 3000
6K (XC) 8K (XC)
4.97 MILE (XC)  

2026 Tufts Final Qualifier    Mar 7, 2026
DMR 9:49.62 2nd (F)
2026 New England Division III Indoor T&F Championship    Mar 1, 2026
Mile 4:10.38 5th (F)
4x800 7:57.61 8th (F)
BU David Hemery Valentine Invitational (Collegiate)    Feb 13-14, 2026
Mile 4:09.44 126th (F)
BU John Thomas Terrier Classic (Collegiate)    Jan 31, 2026
Mile 4:11.61 67th (F)
Harvard Invitational    Jan 30-31, 2026
DMR (Yards) 10:12.53 2nd (F)
Middlebury Winter Classic    Jan 16-17, 2026
Mile 4:19.06 1st (F)
4x800 8:12.65 2nd (F)
the TRACK at new balance Early Bird invite    Dec 6, 2025
3000 8:36.08 2nd (F)
NESCAC Championship    Nov 1, 2025
8k 25:13.1 25th
Connecticut College Invitational    Oct 18, 2025
8k 25:15.8 81st
KSC Invitational    Oct 4, 2025
4.97M 25:15.6 17th
Purple Valley XC Classic    Sep 20, 2025
8k 26:08.9 31st
AARTFC Outdoor Track & Field Championships    May 14-15, 2025
1500 3:51.54 2nd (F)
The F.I.R.E. MEET at Williams    May 9-10, 2025
1500 3:54.00 12th (F)
NESCAC Championship    Apr 26, 2025
1500 3:55.93 5th (F)
4x800 7:42.33 3rd (F)
Tufts Final Qualifier    Mar 8, 2025
DMR 10:10.65 9th (F)
Tufts Stampede Open    Feb 15, 2025
DMR 10:29.32 14th (F)
Boston University John Thomas Terrier Classic    Jan 31-Feb 1, 2025
3000 8:39.08 151st (F)
Middlebury's New England Small College Invitational    Jan 26, 2025
800 1:55.41 2nd (F)
4x400 3:27.43 6th (F)
the TRACK at new balance Early Bird invite    Dec 7, 2024
Mile 4:20.35 3rd (F)
2024 NESCAC Championships    Nov 2, 2024
8k 25:21.8 24th
Connecticut College Invitational    Oct 19, 2024
8k 25:06.8 3rd
Keene State College Invitational    Oct 5, 2024
4.97M 25:48.0 14th
RPI HARVEST CLASSIC XC IMVITE    Sep 27, 2024
8k 27:05.5 26th
Purple Valley XC Invite    Sep 21, 2024
8k 28:25.4 22nd
Little 3 Invite    Sep 7, 2024
6k 19:30.8 21st
800 Meters (Indoor)
Top↑
Middlebury's New England Small College Invitational Jan 26, 2025
1500 Meters (Outdoor)
Top↑
AARTFC Outdoor Track & Field Championships May 14-15, 2025
The F.I.R.E. MEET at Williams May 9-10, 2025
NESCAC Championship Apr 26, 2025
Mile (Indoor)
Top↑
2026 New England Division III Indoor T&F Championship Mar 1, 2026
BU David Hemery Valentine Invitational (Collegiate) Feb 13-14, 2026
BU John Thomas Terrier Classic (Collegiate) Jan 31, 2026
Middlebury Winter Classic Jan 16-17, 2026
the TRACK at new balance Early Bird invite Dec 7, 2024
3000 Meters (Indoor)
Top↑
the TRACK at new balance Early Bird invite Dec 6, 2025
Boston University John Thomas Terrier Classic Jan 31-Feb 1, 2025
4 x 400 Relay (Indoor)
Top↑
Middlebury's New England Small College Invitational Jan 26, 2025
4 x 800 Relay (Outdoor)
Top↑
NESCAC Championship Apr 26, 2025
4 x 800 Relay (Indoor)
Top↑
2026 New England Division III Indoor T&F Championship Mar 1, 2026
Middlebury Winter Classic Jan 16-17, 2026
Distance Medley Relay (Indoor)
Top↑
2026 Tufts Final Qualifier Mar 7, 2026
Tufts Final Qualifier Mar 8, 2025
Tufts Stampede Open Feb 15, 2025
Distance Medley Relay (4400 Yards) (Indoor)
Top↑
Harvard Invitational Jan 30-31, 2026
6k
Top↑
Vassar Ron Stonitsch Invitational 2025 Sep 13, 2025
Little 3 Invite Sep 7, 2024
8k
Top↑
NCAA Division III Cross Country Championships Nov 22, 2025
NCAA Division III Mideast Region Cross Country Championships Nov 15, 2025
NESCAC Championship Nov 1, 2025
Connecticut College Invitational Oct 18, 2025
Purple Valley XC Classic Sep 20, 2025
NCAA Division III Cross Country Championships Nov 23, 2024
NCAA Division III Mideast Region Cross Country Championships Nov 16, 2024
2024 NESCAC Championships Nov 2, 2024
Connecticut College Invitational Oct 19, 2024
RPI HARVEST CLASSIC XC IMVITE Sep 27, 2024
Purple Valley XC Invite Sep 21, 2024
4.97 Mile
Top↑
KSC Invitational Oct 4, 2025
Keene State College Invitational Oct 5, 2024

2026 Indoors

2025 Indoors

800 Meters
Middlebury's New England Small College Invitational January 26, 2025
3000 Meters
the TRACK at new balance Early Bird invite December 6, 2025
Boston University John Thomas Terrier Classic January 31-February 1, 2025
4 x 400 Relay
Middlebury's New England Small College Invitational January 26, 2025
Distance Medley Relay
Tufts Final Qualifier March 8, 2025
Tufts Stampede Open February 15, 2025

2025 XC

2025 Outdoors

1500 Meters
AARTFC Outdoor Track & Field Championships May 14-15, 2025
The F.I.R.E. MEET at Williams May 9-10, 2025
NESCAC Championship April 26, 2025
4 x 800 Relay
NESCAC Championship April 26, 2025

2024 Indoors

2024 XC

800 Meters (Indoors)
2025  
Mile (Indoors)
2026  
2024  
3000 Meters (Indoors)
2025  
6k (XC)
2025  
2024  
Sep 7, 2024
8k (XC)
2025  
Nov 1, 2025
2024  
4.97 Mile (XC)
2025  
Oct 4, 2025
2024  
1500 Meters (Outdoors)
2025