Table 1

Overview of the trials included in this methodological article

	Name	Was the study a trial	Follow-up	Population	Intervention	Sample size
Program-related interventions	GRONORUN2	Yes	8–12 weeks	Novice runners	A graded or standard running programme	532
	PR2113	No*	14 weeks	½-marathoners	A distance/intensity/mixed-based running programme	612
	RUNCLEVER1	Yes	24 weeks	Recreational runners	A volume/intensity-based running programme	839
	S2R14	Yes	4 weeks	Novice runners	A 3 km or 6 km running programme	56
Shoe-related interventions	Trial 13	Yes	21 weeks	Leisure-time runners	Running shoes with either soft or hard midsole hardness	304
	Trial 216	Yes	26 weeks	Leisure-time runners (novices excluded)	Running shoes with or without motion control system	423
	Trial 315	Yes	26 weeks	Leisure-time runners	Running shoes with heel-to-toe drop of either 10, 6 or 0 mm	577
	Trial 417	Yes	26 weeks	Leisure-time runners	Running shoes with either high or low cushioning	874

*In PR21, runners were not randomised to different running programmes. They were able to self-select a running programme.
GRONORUN, Groningen Novice Running; PR21, ProjectRun21; S2R, Start 2 Run.