# Race Predictors: Master List (UTD: 3/18/21)

## 30m

(1) 30mexp(0.18948*(60m - 0.51))
Source: Extrapolated from Figure "30m to 60m (2)" on p3

(2) 30m ≈ [sqrt(16880000*100m + 191080249) - 15991] ÷ 884
Source: Extrapolated from "30m to 100m" on p1

(3) 30m ≈ (200m ÷ 7.5872)^(1.305521)
Source: Extrapolated from "30m to 200m" on p1

## 60m

(1) 60m ≈ (−0.12821661)*(30m^2) + 2.35255*30m − 0.56097
Source: "30m to 60m" on p1

(2) 60m ≈ 5.2776*ln(30m) - 0.51
Source: Figure "30m to 60m (2)" on p3

(3) 60m ≈ (100m ÷ 1.4223239)^(0.9383752)
Source: Extrapolated from "60m to 100m" on p1

(4) 60m ≈ 6.90902*ln(200m ÷ 8.19498)
Source: Extrapolated from "60m to 200m" on p1

(5) 60m ≈ [([(200m + 11.1841) ÷ 100m] - 2) ÷ 7.633557]^(-1)
Source: Extrapolated from "16 April 2019 Formula"

(6) 60m ≈ 64 to 67% of your 100m
Source: "Condition (2)"

## 100m

(1) 100m ≈ 1.4223239*(60m^1.065671812)
Source: "60m to 100m" on p1

(2) 100m ≈ 0.209354*(60m^2) - 1.40204*60m + 10.7316463
Source: "60m to 100m" on p1

(3) 100m ≈ (200m + 11.1841)*(1.997383 + (7.633557 ÷ 60m))^(-1)
Source: Extrapolated from "16 April 2019 Formula"

(4) 100m ≈ 0.4081*((200m)^(-1) - (0.4278 ÷ (400m ± 6%))^(-1)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(5) 100m60m*(1.53 ± 0.03)
Source: Extrapolated from "Condition (1)"

(6) 100m ≈ 0.5*200m ± 0.5
Source: Extrapolated from The Death of 100m 200m 400m 800m Ratios

(7) 100m400m ÷ (4.55 ± 0.5)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(8) 100m200m ÷ (2 ± 0.05)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

## 200m

(1) 200m ≈ 8.19498*(1.1557371^60m)
Source: "60m to 200m" on p1

(2) 200m ≈ 0.2940943*(60m^2) - 0.8804*60m + 14.29063855
Source: "60m to 200m" on p1

(3) 200m ≈ [(-640*(100m^2) + 49258*100m - 99045) ÷ 16500] ± 1%
Source: 100, 200, and 400m Sprint Time Estimates

(4) 200m ≈ [(0.4278 ÷ (400m ± 6%)) + (0.4081 ÷ 100m)]^(-1)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(5) 200m ≈ 2*100m ± 1
Source: Extrapolated from The Death of 100m 200m 400m 800m Ratios

(6) 200m 400m ÷ (2.21 ± 0.01)
Source: Extrapolated from LOOKING AT 100-200 AND 200-400 RATIOS

(7) 200m400m ÷ (2.3 ± 0.2)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(8) 200m ≈ 0.5*(400m - 3.5 ± 0.5)
Source: Extrapolated from The Death of 100m 200m 400m 800m Ratios

(9) 200m ≈ (2 ± 0.05)*100m
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

## 400m

(1) 400m ≈ 2*200m + 3.5 ± 0.5
Source: The Death of 100m 200m 400m 800m Ratios

(2) 400m200m*(2.3 ± 0.2)
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(3) 400m ≈ [-0.0444225*(200m^2) + 4.7667*200m - 34.544] ± 5%
Source: 100, 200, and 400m Sprint Time Estimates

(4) 400m ≈ (0.4278*[200m^(-1) - (0.4081 ÷ 100m)]^(-1)) ± 6%
Source: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

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