A race is read as competition and the pressure of time. Leading points to ambition and confidence; falling behind, to worry about keeping pace with others or with your own expectations.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.