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Calvin's Challenge 2025

Calvin's Challenge 2025

  • Cycling
  • 161 km
  • 161 km
1675 E Possum Rd, Springfield, OH 45502
until
Calvin's Challenge

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About the Event

Event Details

Date: Saturday, May 17 - Sunday, May 18, 2025

Location: 1675 E Possum Rd, Springfield, OH 45502

Race Categories

  • 24-Hour Non-Drafting (RAAM Qualifier)
  • 24-Hour Drafting Allowed
  • 12-Hour Non-Drafting
  • 12-Hour Drafting Allowed
  • 6-Hour Non-Drafting
  • 6-Hour Drafting Allowed
  • 100-Mile Non-Drafting
  • 100-Mile Drafting Allowed

Entry Fees

The fees vary by category:

  • 24-Hour Non-Drafting: $210.00
  • 24-Hour Drafting Allowed: $210.00
  • 12-Hour Non-Drafting: $210.00
  • 12-Hour Drafting Allowed: $210.00
  • 6-Hour Non-Drafting: $170.00
  • 6-Hour Drafting Allowed: $170.00
  • 100-Mile Non-Drafting: $120.00
  • 100-Mile Drafting Allowed: $120.00

Register early to take advantage of discounted fees.

How to get there

Courses

  • 100-Mile Non-Drafting

    • Cycling
    • 161 km
  • 100-Mile Drafting Allowed

    • Cycling
    • 161 km

Tickets

Apuama does not sell tickets. Check prices and availability on the event's website.
Registration Fee$210.00
100-Mile Registration Fee$120.00
Event Website