# Yellow Belly Ultras

> Premier trail running and ultramarathon organiser based in Lincolnshire, United Kingdom, showcasing the challenging terrain and rolling hills of the Lincolnshire Wolds Area of Outstanding Natural Beauty (AONB).

Yellow Belly Ultras organises authentic, community-driven trail and ultra endurance events across Lincolnshire, challenging the common misconception that the county is flat. Driven by the ethos *"Always one step further"*, events cater to both seasoned ultrarunners and beginners looking to transition to off-road distances.

## Core Events & Distances

### Ultramarathons
- **Yellow Belly 100**: 100-mile endurance ultra across the Lincolnshire Wolds, starting from Swallow Village Hall.
- **Winter 50 Miler**: 50-mile winter trail ultra utilising scenic rolling hills and trails such as the Viking Way, based from Swallow Village Hall.
- **Summer 50 Miler**: 50-mile summer edition traversing the trails and woodlands of the Lincolnshire Wolds.
- **Backyard Ultra**: Last-person-standing format hosted at Chalk Farm, Salters Lane, Wyham, Louth. Competitors run continuous 4.167-mile laps every hour on the hour until one runner remains.

### Trail Races & Challenges
- **Beer and Buff Trail Race Season Series**: 10K trail event based at Swallow Village Hall.
- **Tabbed In The Head**: 15-mile off-road rucking/trail challenge starting at the Clickem Inn, Swinhope, Market Rasen.
- **Lunacy Obstacle Race**: 10K mud and obstacle trail race held at Chalk Farm, Wyham, Louth.

## Community & Free Group Runs
- **Monthly Community Social Runs**: Free, non-competitive group trail runs ranging between 13 and 16 miles through the Lincolnshire Wolds.
- **Format**: Social pace, no sign-up fee, regroups at the tops of climbs, and provides navigation and course recce opportunities for upcoming race routes.

## Rules & Key Runner Information
- **Terrain**: Undulating chalk hills, muddy bridleways, woodland tracks, and historic footpaths (principally the Viking Way).
- **Navigation**: GPX tracks are provided prior to race day. Routes follow marked national trails with supplementary event signage; handheld/watch GPS navigation skills are strongly recommended.
- **Support & Cut-offs**: Designed with generous cut-off times to encourage first-time ultra finishers. Drop bag support is provided at designated mid-course checkpoints for 50-mile and 100-mile events. Fully stocked aid stations feature sweet and savoury snacks, hydration, and medical support.
- **Headphones**: Bone-conduction / open-ear headphones are permitted; standard in-ear headphones must be removed at road crossings and checkpoint zones.
- **Pacers**: External pacers are not permitted; runners must complete distances under their own power.

## Primary Links & Resources
- Website: https://yellowbellyultras.co.uk/
- Ultramarathons: https://yellowbellyultras.co.uk/races/ultramarathons
- Trail Races: https://yellowbellyultras.co.uk/races/trail-races
- Community Runs: https://yellowbellyultras.co.uk/community-runs
- About & Background: https://yellowbellyultras.co.uk/about-us