2019 Boyd Gaming 300

{{Use mdy dates|date=February 2025}}

{{Infobox NASCAR race report

| Type = CUST

| Details ref = {{cite web|url=https://www.nascar.com/nascar-xfinity-series/2019/schedule/|title=2019 NASCAR Xfinity Series Schedule|website=Official Site Of NASCAR|access-date=March 2, 2019|archive-date=March 27, 2019|archive-url=https://web.archive.org/web/20190327183855/https://www.nascar.com/nascar-xfinity-series/2019/schedule/|url-status=dead}}{{cite web|url=https://beyondtheflag.com/2019/02/23/nascar-xfinity-series-christopher-bell-dominates-2019-rinnai-250/|title=NASCAR Xfinity Series: Christopher Bell dominates 2019 Rinnai 250|date=February 23, 2019|website=beyondtheflag.com|access-date=March 2, 2019}}{{cite web|url=https://www.ktnv.com/sports/nascar-hauler-parade-expands-route-on-las-vegas-boulevard|title=NASCAR Hauler Parade expands route on Las Vegas Boulevard|date=February 23, 2019|website=KTNV|access-date=March 2, 2019}}[https://web.archive.org/web/20190306044958/https://www.washingtonpost.com/sports/auto-racing/auto-racing-auto-racing-glance/2019/02/20/6961b7d6-351d-11e9-8375-e3dcf6b68558_story.html The Washington Post]{{cite web|url=https://www.frontstretch.com/2019/02/25/entry-list-boyd-gaming-300-3/|title=Entry List: Boyd Gaming 300|last=Timms|first=Alex|date=February 25, 2019|access-date=February 26, 2019}}

| Description = Race 3 of 33 in the 2019 NASCAR Xfinity Series season

| Fulldate = {{Start date|2019|03|02}}

| Race_Name = Boyd Gaming 300

| Year = 2019

| Location = Las Vegas Motor Speedway in Las Vegas

| Image = Las Vegas Motor Speedway diagram.svg

| Course_mi = 1.5

| Course_km = 2.4

| Distance_laps = 213

| Distance_mi = 319.5

| Distance_km = 511.2

| Pole_Driver = Cole Custer

| Pole_Team = Stewart-Haas Racing with
Biagi-DenBeste Racing

| Pole_Time = N/A

| Most_Driver = Kyle Busch

| Most_Team = Joe Gibbs Racing

| Most_laps = 98

| Car = 18

| First_Driver = Kyle Busch

| First_Team = Joe Gibbs Racing

| Network = FS1

| Radio = MRN

}}

The 2019 Boyd Gaming 300 was a NASCAR Xfinity Series race held on March 2, 2019, at Las Vegas Motor Speedway in Las Vegas. Contested over 213 laps due to an overtime finish on the {{convert|1.5|mi|km|abbr=on}} asphalt intermediate speedway, it was the third race of the 2019 NASCAR Xfinity Series season.