You have to race on every track variation of the game - and there are 122 in total. See the checklist below.
But there are good news. You don't have to do a whole round/race. Grab a friend, start a private lobby game, go to race settings and select
Game Type: Timed Race
Race Lenth: 00:30
You can select the track variation with the X button.
After the start let the timer run out (cross the starting line to be safe), it will count towards the completion.
Note: The achievement tracker on the Xbox One (and Mobile) is buggy and seems to be stuck most of the time for this achievement. But don't worry, your races count. If you have a Windows 10 PC you can check your progress there with the Xbox App.
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Bathurst (1)
Mount Panorama Circuit (3.86 miles)
Bernese Alps (6)
Bernese Alps Festival Circuit (3.63 miles)
Bernese Alps Stadtplatz Circuit (3.08 miles)
Bernese Alps Club Circuit (2.52 miles)
Bernese Alps Festival Circuit Reverse (3.63 miles)
Bernese Alps Stadtplatz Circuit Reverse (3.08 miles)
Bernese Alps Club Circuit Reverse (2.52 miles)
Brands Hatch (2)
Brands Hatch Grand Prix Circuit (2.43 miles)
Brands Hatch Indy Circuit (1.21 miles)
Circuit de Catalunya (3)
Circuit de Catalunya Grand Prix Circuit (2.89 miles)
Circuit de Catalunya National Circuit (1.85 miles)
Circuit de Catalunya School Circuit (1.06 miles)
Circuit Of The Americas (3)
COTA Grand Prix Circuit
COTA West Route
COTA East Route
Daytona International Speedway (3)
Daytona Sports Car Circuit (3.59 miles)
Daytona Short Circuit (2.94 miles)
Daytona Tri-Oval Circuit (2.50 miles)
Dubai (8)
Dubai Full Circuit (4.51 miles)
Dubai City Circuit (2.39 miles)
Dubai Mountain Circuit (2.57 miles)
Dubai City Circuit Alt (2.38 miles)
Dubai Full Circuit Reverse (4.51 miles)
Dubai City Circuit Reverse (2.39 miles)
Dubai Mountain Circuit Reverse (2.57 miles)
Dubai City Circuit Alt Reverse (2.38 miles)
Hockenheimring (3)
Hockenheimring Full Circuit (2.84 miles)
Hockenheimring National Circuit (2.29 miles)
Hockenheimring Short Circuit (1.64 miles)
Homestead Miami Speedway (6)
Homestead Miami Speedway Circuit (1.50 miles)
Homestead Miami Road Circuit (2.21 miles)
Homestead Miami Mini Circuit (1.31 miles)
Homestead Miami Super-Mini Circuit (0.96 miles)
Homestead Miami Speedway Circuit Alt (1.42 miles)
Homestead Miami Road Circuit Alt (2.28 miles)
Indianapolis Motor Speedway (4)
Indianapolis Grand Prix Speedway (2.44 miles)
Indianapolis The Brickyard Speedway (2.50 miles)
Indianapolis Grand Prix Circuit – Classic (2.60 miles)
Indianapolis Grand Prix Circuit Alt (2.59 miles)
Le Mans Circuit de la Sarthe (3)
Le Mans Full Circuit (8.48 miles)
Le Mans Bugatti Circuit (2.60 miles)
Le Mans Old Mulsanne Circuit (8.44 miles)
Lime Rock (4)
Lime Rock Full Circuit (1.50 miles)
Lime Rock West Chicane (1.50 miles)
Lime Rock South Chicane (1.47 miles)
Lime Rock Full Circuit Alt (1.50 miles)
Long Beach (3)
Long Beach Full Circuit (1.97 miles)
Long Beach East Route (1.34 miles)
Long Beach West Route (0.45 miles)
Maple Valley Raceway (4)
Maple Valley Full Circuit (2.99 miles)
Maple Valley Short Circuit (1.15 miles)
Maple Valley Full Circuit Reverse (2.99 miles)
Maple Valley Short Circuit Reverse (1.15 miles)
Mazda Raceway Laguna Seca (1)
Mazda Raceway Laguna Seca Full Circuit (2.24 miles)
Autodromo Nazionale Monza (1)
Monza Full Circuit (3.60 miles)
Monza Short Circuit (1.51 miles)
Monza Full Circuit Alt (3.59 miles)
Mugello Autodromo Internazionale (2)
Full Circuit (3.26 miles)
Club Circuit (1.60 miles)
Nürburgring (3)
Nürburgring Full Circuit (16.15 miles)
Nürburgring Nordschleife (12.93 miles)
Nürburgring GP Circuit (3.20 miles)
Prague (4)
Prague Full Circuit (3.51 miles)
Prague Short (1.82 miles)
Prague Full Circuit Reverse (3.51 miles)
Prague Short Reverse (1.82 miles)
Rio de Janiero (10)
Rio Full Circuit (3.83 miles)
Rio National Circuit (2.84 miles)
Rio Coast Loop (1.32 miles)
Rio Mountain Circuit (1.01 miles)
Rio Mini Circuit (0.68 miles)
Rio Full Circuit Reverse (3.83 miles)
Rio National Circuit Reverse (2.84 miles)
Rio Coast Loop Reverse (1.32 miles)
Rio Mountain Circuit Reverse (1.01 miles)
Rio Mini Circuit Reverse (0.68 miles)
Road America (5)
Road America Full Circuit (4.05 miles)
Road America East Route (2.19 miles)
Road America West Route (2.17 miles)
Road America Full Circuit Alt (4.12 miles)
Road America West Route Alt (2.20 miles)
Road Atlanta (2)
Road Atlanta Full Circuit (2.54 miles)
Road Atlanta Club Circuit (1.77 miles)
Sebring International Raceway (3)
Sebring Full Circuit (3.70 miles)
Sebring Short Circuit (2.13 miles)
Sebring Club Circuit (1.70 miles)
Silverstone Racing Circuit (3)
Silverstone Grand Prix Circuit (3.19 miles)
Silverstone International Circuit (2.25 miles)
Silverstone National Circuit (1.64 miles)
Sonoma Raceway (3)
Sonoma Full Circuit (2.52 miles)
Sonoma Grand Prix Circuit (2.22 miles)
Sonoma Short Circuit (1.99 miles)
Circuit de Spa-Francorchamps (1)
Circuit de Spa-Francorchamps Full Circuit (4.35 miles)
Suzuka Circuit (5)
Suzuka Full Circuit (3.61 miles)
Suzuka East Circuit (1.40 miles)
Suzuka West Circuit (2.16 miles)
Suzuka Full Circuit Alt (3.63 miles)
Suzuka West Circuit Alt (2.17 miles)
Test Track Airfield (1)
Test Track Full Circuit (1.74 miles)
Top Gear (7)
Top Gear Full Circuit (1.75 miles)
Top Gear East Circuit (0.94 miles)
Top Gear West Circuit (0.80 miles)
Top Gear Outer Loop (1.42 miles)
Top Gear East Circuit Reverse (0.94 miles)
Top Gear West Circuit Reverse (0.80 miles)
Top Gear Outer Loop Reverse (1.42 miles)
Virginia International Raceway (7)
Virginia International Raceway Full (3.27 miles)
Virginia International Raceway North (2.25 miles)
Virginia International Raceway South (1.65 miles)
Virginia International Raceway Patriot (1.10 miles)
Virginia International Raceway Patriot Alt (1.63 miles)
Virginia International Raceway Grand West (4.10 miles)
Virginia International Raceway Grand East (4.20 miles)
Watkins Glen (4)
Watkins Glen Full Circuit (3.37 miles)
Watkins Glen Short Circuit (2.49 miles)
Watkins Glen Full Circuit Alt (3.36 miles)
Watkins Glen Short Circuit Alt (2.48 miles)
Yes Marina Circuit (5)
Yes Marina Full Circuit (3.45 miles)
Yes Marina North Circuit (1.96 miles)
Yes Marina South Circuit (1.47 miles)
Yes Marina North Corkscrew (1.43 miles)
Yes Marina Corkscrew (2.95 miles)