Race2026 cycle · RunoffsElection day 3 Nov 2026Updated

Cite this page

DonorAlpha, “Michigan 8th District general 2026”, https://donoralpha.com/races/michigan-8th-district-general-2026?e=c2026&el=runoff, updated .

Michigan 8th District general 2026

No. 108 of 527 House races in the 2026 cycle

This race is in the 2026 general election.

The short version

In the 2026 Michigan 8th District general election, 6 outside groups spent $2.0M: $159K supporting Kristen McDonald Rivet (D), $1.7M opposing Kristen McDonald Rivet and $122K supporting Thomas Smith (R).

$2.0M

outside money

supporting Kristen McDonald Rivet (D)
$159K
opposing Kristen McDonald Rivet (D)
$1.7M
supporting Thomas Smith (R)
$122K

Result not in yet

Election day is 3 Nov 2026.

  • Kristen McDonald Rivet

    Democrat

    Waiting for the count

  • Thomas Smith

    Republican

    Waiting for the count

Outside money supporting and opposing each candidate

Both sides on one scale
← OpposingSupporting →
  • Kristen McDonald Rivet Democrat

    $1.7M
    $159K

    $159K supporting Kristen McDonald Rivet · $1.7M opposing Kristen McDonald Rivet

  • Thomas Smith Republican

    $122K

    $122K supporting Thomas Smith

The long version

The candidates

What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.

  • Kristen McDonald Rivet

    Democrat

    Own campaign raised
    $5.6M
    Outside money supporting
    $159K
    Outside money opposing
    $1.7M
    Kristen for Michigan
  • Thomas Smith

    Republican

    Outside money supporting
    $122K
    Tom Smith for Congress
  • Campaign money to 15 Jul 2026

Week by week

Outside money each week, supporting and opposing the candidates, all candidates combined.

Week of 5 Oct 2026

Supporting $151KOpposing $888

Supporting candidatesOpposing candidates

The groups on each side

The biggest outside groups in this race, by what they spent supporting or opposing each candidate.

Spent supporting a candidate

  1. Rolling Sea Action Fundsupporting Kristen McDonald Rivet$150K
  2. No Going Back PACsupporting Thomas Smith$64,763
  3. America PACsupporting Thomas Smith$56,913
  4. Welcomepacsupporting Kristen McDonald Rivet$9,368
  5. Everytown for Gun Safety Victory Fundsupporting Kristen McDonald Rivet$102

Spent opposing a candidate

  1. Congressional Leadership Fundopposing Kristen McDonald Rivet$1.6M
  2. America PACopposing Kristen McDonald Rivet$71,982
  3. No Going Back PACopposing Kristen McDonald Rivet$66,470

Who’s connected to whom

The groups that spent supporting or opposing the candidates.

Their biggest giversGroups that spentCandidatesCongressional Leadership Fund spent $1.6M opposing Kristen McDonald Rivet · $1.6MRolling Sea Action Fund spent $150K supporting Kristen McDonald Rivet · $150KAmerica PAC spent $71,982 opposing Kristen McDonald Rivet · $71,982No Going Back PAC spent $66,470 opposing Kristen McDonald Rivet · $66,470No Going Back PAC spent $64,763 supporting Thomas Smith · $64,763America PAC spent $56,913 supporting Thomas Smith · $56,913Welcomepac spent $9,368 supporting Kristen McDonald Rivet · $9,368Everytown for Gun Safety Victory Fund spent $102 supporting Kristen McDonald Rivet · $102American Action Network gave $43.5M to Congressional Leadership Fund · $43.5MChevron Corporation gave $3.5M to Congressional Leadership Fund · $3.5MLet It Resound gave $1.1M to Rolling Sea Action Fund · $1.1MCoinbase gave $75,000 to Rolling Sea Action Fund · $75,000Welcome Party gave $450K to Welcomepac · $450KThird Way gave $103K to Welcomepac · $103KEverytown for Gun Safety Action Fund gave $6.9M to Everytown for Gun Safety Victory Fund · $6.9MAmerican Action NetworkAmerican Action NetworkCompany or group · $43.5MChevron CorporationChevron CorporationCompany or group · $3.5MLet It ResoundLet It ResoundCompany or group · $1.1MCoinbaseCoinbaseCompany or group · $75,000Welcome PartyWelcome PartyCompany or group · $450KThird WayThird WayCompany or group · $103KEverytown for Gun SafetyAction FundEverytown for Gun Safety Action FundCompany or group · $6.9MCongressional LeadershipFundCongressional Leadership FundGroup · $1.6MRolling Sea Action FundRolling Sea Action FundGroup · $150KNo Going Back PACNo Going Back PACGroup · $131KAmerica PACAmerica PACGroup · $129KWelcomepacWelcomepacGroup · $9,368Everytown for Gun SafetyVictory FundEverytown for Gun Safety Victory FundGroup · $102Kristen McDonald RivetKristen McDonald RivetCandidate · $1.9MThomas SmithThomas SmithCandidate · $122K
  • Congressional Leadership Fund spent opposing Kristen McDonald Rivet · $1.6M
  • Rolling Sea Action Fund spent supporting Kristen McDonald Rivet · $150K
  • America PAC spent opposing Kristen McDonald Rivet · $71,982
  • No Going Back PAC spent opposing Kristen McDonald Rivet · $66,470
  • No Going Back PAC spent supporting Thomas Smith · $64,763
  • America PAC spent supporting Thomas Smith · $56,913
  • Welcomepac spent supporting Kristen McDonald Rivet · $9,368
  • Everytown for Gun Safety Victory Fund spent supporting Kristen McDonald Rivet · $102
  • American Action Network gave to Congressional Leadership Fund · $43.5M
  • Chevron Corporation gave to Congressional Leadership Fund · $3.5M
  • Let It Resound gave to Rolling Sea Action Fund · $1.1M
  • Coinbase gave to Rolling Sea Action Fund · $75,000
  • Welcome Party gave to Welcomepac · $450K
  • Third Way gave to Welcomepac · $103K
  • Everytown for Gun Safety Action Fund gave to Everytown for Gun Safety Victory Fund · $6.9M
GaveSpent supportingSpent opposingSwipe to see the whole map.

Group

Congressional Leadership Fund

  • Congressional Leadership Fund spent $1.6M opposing Kristen McDonald Rivet$1.6M
  • American Action Network gave $43.5M to Congressional Leadership Fund$43.5M
  • Chevron Corporation gave $3.5M to Congressional Leadership Fund$3.5M
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