>>542287246
I'm late to this post, but here you go. I have a Seiun Sky with 1200 speed + single circle Summer Runner who meets the 601 stamina and 301 guts thresholds for the course. The mechanics doc tells us that I should have an effective 1200*1.125*mood+40 speed under these circumstances, with 1.125 being the course modifier from the stamina/guts thresholds. At great mood, that's 1417 speed. The mechanics doc further tells us that
1. On a 1600 m track, base track speed is B = 20 + (2000-1600)/1000 = 20.4 m/s.
2. Front Runner in the last phase uses 0.962x of that, yielding P = 20.4 * 0.962 = 19.6248 m/s.
3. 1417 speed adds a speed term S = sqrt(500 * 1417) * 0.002 ≈ 1.683448841 m/s, yielding a total late-race base speed of L = P + S = 21.308248841 m/s.
4. The final last spurt speed is (L + 0.01*B)*1.05 + S = 24.271310124 m/s ≈ 24.27 m/s.
That's cool and all, but can we verify this being the case ingame? With access to raw race data we can. Check the replay on https://ayaliz.github.io/hakuraku//#/racedata?bin=Jbav66Udqj with speed display toggled on and you'll see the winning Seiun hitting exactly 24.27 m/s on the final spurt. Final spurt speed is also notably exempt from per-phase random wit for target speed, hence why we can calculate this value without random effects getting in the way.