| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/4/2015 | Yakima Dirt Track - Yakima, WA Summer Thunder Sprint Tour at Yakima Fairgrounds 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Sprint Cars, B Modifieds, Vintage Modifieds | Results | | Colton Heath (360 Sprints - Winged) | 2nd | - | - | 6th | | Colton Heath (Sprint Cars) | 2nd | - | - | 6th |
|
| 4/18/2015 | Skagit Speedway - Burlington, WA 2015 SEASON OPENER! Dwayne Lane Auto Centers Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, Vintage Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 1st | - | - | 2nd |
|
| 4/25/2015 | Grays Harbor Raceway - Elma, WA Season Opener Grays Harbor Racing Series 360 Sprints - Winged, Midgets, A Modifieds, Street Stocks, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 3rd | - | - | 12th |
|
| 5/2/2015 | Skagit Speedway - Burlington, WA Summer Thunder Sprint Series presented by Here 2 Wire & Finishline Graphics 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Sprint Cars, Midgets, A Modifieds | Results | | Colton Heath (360 Sprints - Winged) | 1st | - | - | 21st | | Colton Heath (Sprint Cars) | 1st | - | - | 21st |
|
| 5/9/2015 | Grays Harbor Raceway - Elma, WA Round 3 Grays Harbor Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, B Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 4th | - | - | 2nd |
|
| 5/16/2015 | Skagit Speedway - Burlington, WA ROUND FIVE Dwayne Lane Auto Centers Racing Series A Modifieds: Washington Modified Tour 360 Sprints - Winged, Sportsman Sprints, Vintage Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 4th | - | - | 1st |
|
| 5/23/2015 | Skagit Speedway - Burlington, WA JOHN CARROLL CLASSIC presented by IRI & HUGE FIREWORKS SHOW! 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 3rd | - | - | 1st |
|
| 5/30/2015 | Skagit Speedway - Burlington, WA ROUND SEVEN Dwayne Lane Auto Centers Racing Series 360 Sprints - Winged, Midgets, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 4th | - | - | 2nd |
|
| 6/6/2015 | Grays Harbor Raceway - Elma, WA Summer Thunder Sprintcar Series presented by Here 2 Wire 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Street Stocks, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 4th | - | - | 2nd |
|
| 6/13/2015 | Skagit Speedway - Burlington, WA ROUND NINE Dwayne Lane Auto Centers Racing Series / Janicki Employee Night 360 Sprints - Winged, Sportsman Sprints, Street Stocks, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 2nd | - | - | 3rd |
|
| 6/25/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series | Results | | Colton Heath (360 Sprints - Winged) | 1st | - | - | 2nd |
|
| 6/26/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Colton Heath (360 Sprints - Winged) | 3rd | - | 1st | 20th (DNF) |
|
| 6/27/2015 | Skagit Speedway - Burlington, WA Jim Raper Memorial Dirt Cup 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series A Modifieds: Washington Modified Tour Vintage Modifieds | Results | | Colton Heath (360 Sprints - Winged) | - | - | - | 7th |
|
| 7/3/2015 | Grays Harbor Raceway - Elma, WA Fred Brownfield Classic 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Colton Heath (360 Sprints - Winged) | 7th (DNF) | - | 6th | 15th |
|
| 7/4/2015 | Grays Harbor Raceway - Elma, WA Fred Brownfield Classic 360 Sprints - Winged: ASCS National with Summer Thunder Series, Summer Thunder Sprint Series Midgets | Results | | Colton Heath (360 Sprints - Winged) | 3rd | - | - | 4th |
|
| 7/11/2015 | Skagit Speedway - Burlington, WA LES SCHWAB TIRES MIDSEASON CHAMPIONSHIPS & HUGE FIREWORKS EXTRAVAGANZA! 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, A Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 2nd | - | - | 1st |
|
| 7/24/2015 | Skagit Speedway - Burlington, WA BOB'S BURGERS & BREW SUMMER NATIONALS | Preliminary Night 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Hornets | Results | | Colton Heath (360 Sprints - Winged) | 1st | - | - | 7th |
|
| 7/25/2015 | Skagit Speedway - Burlington, WA BOB'S BURGERS & BREW SUMMER NATIONALS FINALE 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Midgets, Hornets | Results | | Colton Heath (360 Sprints - Winged) | - | - | - | 6th |
|
| 8/1/2015 | Grays Harbor Raceway - Elma, WA Round 14 Grays Harbor Racing Series 360 Sprints - Winged, Street Stocks, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 2nd | - | - | 3rd |
|
| 8/15/2015 | Skagit Speedway - Burlington, WA Skagit 12 and Skagit Seahwkers Night! / Fastenal Employee Night/ Burned Children Recovery 360 Sprints - Winged, A Modifieds, Street Stocks, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 3rd | - | - | 2nd |
|
| 8/22/2015 | Grays Harbor Raceway - Elma, WA Round 15 Grays Harbor Racing Series 360 Sprints - Winged, A Modifieds, Dwarf, Hornets | Results | | Colton Heath (360 Sprints - Winged) | 1st | - | - | 2nd |
|
| 9/3/2015 | Skagit Speedway - Burlington, WA MONSTER MELTDOWN Night One 360 Sprints - Winged: Summer Thunder Series with Summer Thunder Sprint Series Sportsman Sprints | Results | | Colton Heath (360 Sprints - Winged) | 4th | - | - | 22nd |
|
| 9/19/2015 | Skagit Speedway - Burlington, WA SCRAP-IT SEASON CHAMPIONSHIPS & HUGE FIREWORKS SHOW! 360 Sprints - Winged, 410 Sprints - Winged, Sportsman Sprints, A Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | - | 1st | - | 1st | | Colton Heath (410 Sprints - Winged) | - | 1st | - | 4th |
|
| 9/25/2015 | Central Washington State Fair Raceway - Yakima, WA 360 Sprints - Winged: Western Sprint Tour Dirt Late Models: NW Extreme Late Models | Results | | Colton Heath (360 Sprints - Winged) | - | 5th | - | 3rd |
|
| 9/25/2015 | Yakima Dirt Track - Yakima, WA 360 Sprints - Winged: Western Sprint Tour | Results | | Colton Heath (360 Sprints - Winged) | - | - | - | 3rd |
|
| 9/26/2015 | Central Washington State Fair Raceway - Yakima, WA CHAMPIONSHIP NIGHT 360 Sprints - Winged: Western Sprint Tour Dirt Late Models: NW Extreme Late Models | Results | | Colton Heath (360 Sprints - Winged) | 5th | - | - | 5th |
|
| 9/26/2015 | Yakima Dirt Track - Yakima, WA 360 Sprints - Winged: Western Sprint Tour | Results | | Colton Heath (360 Sprints - Winged) | - | - | - | 5th |
|
| 10/3/2015 | Grays Harbor Raceway - Elma, WA Season Championships and Fireworks Extravaganza!! -- Fan Appreciation Night! A Modifieds: Washington Modified Tour 360 Sprints - Winged, Midgets, Dirt Super Late Models, Street Stocks, Vintage Modifieds, Hornets | Results | | Colton Heath (360 Sprints - Winged) | - | - | - | 3rd |
|