Marathon Swimming Career
- She completed a solo swim of the English Channel on 23 July 2012 in 16 hours 0 minutes. She swam under the Channel Swimming & Piloting Federation and was escorted by Neil Streeter in Suva.
- She completed a two-way crossing of Windermere on 20 August 2013 (21 miles) in 13 hours 40 seconds. She was escorted by Colin Hill from Chillswim.
- She completed a Round Jersey solo on 18th July 2015 in 11 hours 55 minutes. She was escorted by Matthew Clarke in Lionheart.
- She completed the BLDSA One Way Windermere swim on 1 September 2012 (10.5 miles) in 6 hours 29 minutes.
- She participated in four successful relays across the English Channel. She was a member of the Over from Dover and The Pancrequatics English Channel Relay teams in 2011, the 3 person "Charity Channel Challenge" relay team in June 2013 and the 3 person "Castaways" relay team in September 2014.
- She completed multiple 10 km marathon swims in the UK between 2011 and 2015.
- She participated in the BLDSA Colwick Park 2013 and 2015 events.
- She was the 2012 and 2015 BLDSA Champion of Champions.
- She completed the 2015 BLDSA 2 way Bala crossing.
- She completed a one-way Windermere crossing on 31st August 2015 (10.5 miles) in 7 hours 12 minutes.
- She participated in the 45.8 km 20 Bridges Manhattan Island Swim in New York on 30 June 2018.
Video footage taken by Colin Hill
Sadler took the August photograph featured in the 2015 MSF Calendar.
January: Anthony McCarley, English Channel. Photo by Roger Taylor.
February: Santa Barbara Channel. Photo by Theo Schmeeckle.
March: Ted Erikson at Promontory Point, Chicago. Photo by Louise LeBourgeois.
April: Sarah Thomas at The Arc, USA. Photo by Ken Classen.
May: Underway at Lake Willoughby, USA. Photo by Phil White.
June: Grace van der Byl at MIMS 2014, USA. Photo by John Humenik.
July: Navigation, Lake Pend Oreille, USA. Photo by Andrew Malinak.
August: Suva off Cap Gris Nez, English Channel. Photo by Zoe Sadler.
September: Applegate Lake 10K Start, USA. Photo by Peter Ray.
October: Bethany Bosch & Guri at Lake Willoughby. Photo by Phil White.
November: Round Christiansborg, Denmark. Photo by Samuel Tyson.
December: Nightswimming, Ireland. Photo by Donal Buckley.
- The Legacy Of Loch Lomond
- Marathon Swimmers Federation
- The Swimmers Of 2015
- Over From Dover
- The Pancrequatics
- Charity Channel Challenge relay
- Zoe Sadler's blog
- Triumphant Traversee De La Manche En Papillon
- MSF Rules Of Marathon Swimming Announced
- British Long Distance Swimming Association Facebook page
- Senior Ladies In The Champion Of Champions
- British Long Distance Swimming Association
- World Open Water Swimming Association
- 2WW Swimmers In History
- Beijing, London, Rio Built On The Vision In Windermere
- The Men & Woman Behind The Bridges
- New York Open Water
- Pat Gallant-Charette Never Looking Back
- Two Triumphant Tandem For Triple
- Kate Robarts Takes The Heat To Achieve Triple Crown
- One More Swim, One More Wave For Melissa Kegler
- Swimming Splendidly From Slovakia To Sydney
- Jenny Smith Does Crazy Hard, Completes Triple Crown
- Ned Wieland Has A Long Bright Future Ahead
- Nathalie Pohl Wins 20 Bridges, Achieves Triple Crown