Random triples
| Subject | Object |
|---|---|
| gptkb:Formula_Renault_2.0_Namibia | monthly |
| gptkb:NASCAR_Mexico_Challenge_Series | weekly or bi-weekly |
| gptkb:Nürburgring_Langstrecken-Serie | weekly |
| gptkb:King_of_the_Baggers_Championship | seasonal |
| gptkb:SCCA_Pro_Racing_Formula_6_Championship | Weekly or bi-weekly |
| gptkb:Martinsville_500 | annual |