After the mass start there is a lot of self-sorting to find the speed and company one wants to informally team up with for the initial part of the race. Each participant tends to find a comfort level and pair up or form a pack based on other surrounding athletes, or a strategic plan for winning or placing in the money. There will be alliances and packs formed for convenience and opportunity. It's predicted to be a very hot day, particularly for the non-elite athletes who will be in the 50K and racing well into the afternoon when temperatures will reach their highest. All shorter races will finish in the morning. The elite men will finish around noon. The rest will have to fend for themselves, oftentimes in hero-istic solo efforts. It's going to be an interesting day for athletes, support crews, spectators, judges, lap scorers and other race personnel.