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The aim of the study was to establish the effect of individually timed pre-exercise SB ingestion on 2\u00a0km rowing time trial (TT) performance in female athletes.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Eleven female CrossFit\u00ae athletes (mean\u2009\u00b1\u2009SD age, 29 y\u2009\u00b1\u20094 y, body mass, 64.5\u00a0kg\u2009\u00b1\u20097.1\u00a0kg, height, 1.7\u00a0m\u2009\u00b1\u20090.09\u00a0m, peak oxygen uptake [VO<jats:sub>2peak<\/jats:sub>], 53.8\u2009\u00b1\u20095.7\u00a0mL\u00b7kg<jats:sup>\u22121\u2219<\/jats:sup>min<jats:sup>\u22121<\/jats:sup>). An initial trial identified individual time-to-peak [HCO<jats:sub>3<\/jats:sub><jats:sup>\u2212<\/jats:sup>] following enteric-coated 0.3\u00a0g\u00b7kg<jats:sup>\u22121<\/jats:sup> BM SB ingestion<jats:sub>.<\/jats:sub> Participants then completed a 2\u00a0km TT familiarisation followed by a placebo (PLA) or SB trial, using a randomised cross-over design.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The ingestion of SB improved rowing performance (514.3\u2009\u00b1\u200944.6\u00a0s) compared to the PLA (529.9\u2009\u00b1\u200945.4\u00a0s) and FAM trials (522.2\u2009\u00b1\u200943.1\u00a0s) (<jats:italic>p<\/jats:italic>\u2009=\u20090.001, <jats:italic>p<\/jats:italic>\u03b7<jats:sup>2<\/jats:sup>\u2009=\u20090.53) which represents a 2.24% improvement compared to the PLA. Individual time-to-peak alkalosis occurred 102.3\u2009\u00b1\u200922.1\u00a0min after ingestion (range 75\u2013150\u00a0min) and resulted in increased blood [HCO<jats:sub>3-<\/jats:sub>] of 5.5\u2009\u00b1\u20091.5\u00a0mmol\u22c5L<jats:sup>\u22121<\/jats:sup> (range\u2009=\u20093.8\u20137.9\u00a0mmol\u22c5L<jats:sup>\u22121<\/jats:sup>). The change in blood [HCO<jats:sub>3-<\/jats:sub>] was significantly correlated with the performance improvement between PLA and SB trials (<jats:italic>r<\/jats:italic>\u2009=\u20090.68, <jats:italic>p<\/jats:italic>\u2009=\u20090.020).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Ingesting a 0.3\u00a0g\u00b7kg<jats:sup>\u22121<\/jats:sup> BM dose of enteric-coated SB improves 2\u00a0km rowing performance in female athletes. The improvement is directly related to the extracellular buffering capacity even when blood [HCO<jats:sub>3-<\/jats:sub>] does not change\u2009\u2265\u20095.0\u00a0mmol\u22c5L<jats:sup>\u22121<\/jats:sup>.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00421-023-05140-4","type":"journal-article","created":{"date-parts":[[2023,1,27]],"date-time":"2023-01-27T07:03:37Z","timestamp":1674803017000},"page":"1191-1198","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["The effects of enteric-coated sodium bicarbonate supplementation on 2\u00a0km rowing performance in female CrossFit\u00ae athletes"],"prefix":"10.1007","volume":"123","author":[{"given":"Robyn A. X. 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