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. 2021 Feb 4;12:620404. doi: 10.3389/fphys.2021.620404

TABLE 3.

Planned event distance/s, year/s, and season/s displayed by race distance subgroup.

<21 km HM M/UM
Event 1: Distance, year, season
<21 km 68% (424) 28% (292) 16% (188)
HM 27% (165) 50% (513) 19% (233)
M 4% (22) 20% (202) 49% (587)
UM 1% (8) 2% (19) 15% (180)
Other < 1% (3) <1% (6) 2% (22)
2014 14% (68) 11% (99) 9% (103)
2015 84% (397) 86% (761) 88% (967)
2016 1% (7) 2% (20) 2% (24)
Winter 7% (31) 6% (52) 7% (72)
Spring 51% (241) 47% (414) 44% (482)
Summer 24% (114) 21% (187) 21% (235)
Fall 19% (88) 26% (227) 28% (309)
Event 2: Distance, year, season
<21 km 88% (548) 60% (619) 38% (465)
HM 10% (60) 29% (299) 22% (261)
M 1% (7) 8% (87) 26% (312)
UM <1% (3) 2% (20) 13% (153)
Other <1% (4) <1% (7) 2% (19)
2014 10% (28) 9% (58) 7% (62)
2015 89% (255) 89% (571) 91% (790)
2016 2% (5) 2% (13) 2% (18)
Winter 8% (24) 9% (57) 10% (83)
Spring 46% (132) 39% (252) 42% (366)
Summer 26% (75) 29% (187) 24% (211)
Fall 20% (59) 23% (147) 24% (212)
Event 3: Distance, year, season
<21 km 95% (592) 86% (886) 70% (845)
HM 4% (25) 10% (104) 12% (140)
M <1% (2) 3% (31) 11% (139)
UM <1% (2) <1% (7) 6% (76)
Other < 1% (1) <1% (4) <1% (10)
2014 8% (8) 11% (29) 8% (37)
2015 92% (97) 88% (232) 91% (413)
2016 <1% (1) 1% (3) 1% (6)
Winter 10% (11) 7% (18) 9% (39)
Spring 42% (44) 34% (90) 38% (173)
Summer 28% (30) 32% (85) 30% (135)
Fall 20% (21) 27% (71) 24% (110)

Results are presented as total numbers and percentage (%). <21 km, less than half-marathon; HM, half-marathon; M, marathon; UM, ultra-marathon; Other, mountain run, triathlon, 12-h run, or ironman.