May 2026
MONGO Offshore Challenge
completed2026 is in the books
- 2026 edition
- Fri, May 1 - Wed, Sep 30, 2026
- 2027 dates
- TBA
About this tournament
The MONGO Offshore Challenge runs May through September across multiple Gulf Coast and East Coast divisions, targeting blue marlin and other offshore species. This seven-month format allows you to fish on your own schedule using a network of official weigh stations, which levels competition across the fleet. Competitors can enter multiple categories and fish as frequently as they choose throughout the season-long tournament.
Moon phase by day
- May 1Up the Moon
- May 2Full Moon
- May 3–5Down the Moon
- May 6–26No moon window
- May 27–30Up the Moon
- May 31Full Moon
- Jun 1–3Down the Moon
- Jun 4–25No moon window
- Jun 26–29Up the Moon
- Jun 30Full Moon
- Jul 1–3Down the Moon
- Jul 4–25No moon window
- Jul 26–29Up the Moon
- Jul 30Full Moon
- Jul 31 – Aug 2Down the Moon
- Aug 3–23No moon window
- Aug 24–27Up the Moon
- Aug 28Full Moon
- Aug 29–31Down the Moon
- Sep 1–22No moon window
- Sep 23–26Up the Moon
- Sep 27Full Moon
- Sep 28–29Down the Moon
- Sep 30No moon window
Target species
Registration
Full registration steps are on the official tournament site — see the links panel.
Scoring Rules
Scoring rules not yet published for this tournament.
Charters fishing this tournament
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