## 30m

(1) **30m** ≈ **exp**(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) **100m** ≈ **60m***(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) **100m** ≈ **400m** ÷ (4.55 **±** 0.5)**Source**: Extrapolated from Understanding Correlations Between Short Sprint Distance Ratios

(8) **100m** ≈ **200m** ÷ (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) **200m** ≈ **400m** ÷ (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) **400m** ≈ **200m***(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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