Race Lineup for July 11, 2025

Can finger length predict running ability?

The length of your ring finger compared to your index finger might reveal how good you’ll be at distance running.

Recent analysis suggests that the 2D:4D ratio—comparing your index and ring finger lengths—is linked to mental and physical fortitude. A lower ratio (a longer ring finger) indicates higher exposure to testosterone in the womb. This early hormone environment helps shape your cardiovascular system and how you handle physical stress later in life.

Runners with lower digit ratios tend to hold higher intensities before fatigue sets in—a trait known as exercise tolerance. It’s not just about speed or VO₂ max; it’s about how long you can keep going when things get tough.

Lead researcher Bethany Gower called the link between 2D:4D ratio and pushing through hard efforts “significant” for both performance and potential.

Read more here.

Philadelphia Races

• She’s My Sister 8K on July 12 in Philadelphia, PA: REGISTER

  Join the Enon Tabernacle Baptist Church to combat the horrific crime against human trafficking.

• APC Summer Soaker on July 19 in Abington, PA: REGISTER

  A community favorite celebrating its 12th year with many great door prizes!

• Art 5K by Swaggahouse Run Club on July 20 in Elkins Park, PA: REGISTER

  Where movement meets creativity to raise awareness for mental health and suicide prevention.

• Diplo's Run Club Philadelphia on July 26 in Philadelphia, PA: REGISTER

  Diplo's Run Club is coming to Philadelphia.

• Chief Lee Miller 5k on August 10 in Blue Bell, PA: REGISTER

  A festival in memory of Lee Miller.

• Hatfield Dash and Splash on August 13 in Hatfield, PA: REGISTER

  An energizing and popular 5k race in Hatfield.

• 💰 The Philly 10k on August 24 in Philadelphia, PA: REGISTER

  An iconic race that is intimate and local. 💰 prices increase July 12💰 

• Run Out Of The Darkness 5K/10K on August 24 in Perkasie, PA: REGISTER

  Supports families affected by mental illness.

Discover more Philadelphia races here.

Virginia Races

• Coast Guard 5k/10k/15k on August 2 in Portsmouth, VA: REGISTER

  A fun summer morning at Festival Park.

• Arlington 9/11 Memorial 5k on September 6 in Arlington, VA: REGISTER

  A meaningful event honoring the bravery of first responders in 2001.

Discover more races here.

Finding peace

@isabellejensennn

running has truly changed my life & i’m so thankful for my amazing friends that i get to run with everyday!! #runner #runnerstiktok #runne... See more

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