Rock, Paper, Scissors Settles Elite Race Order for Historic Two-Day TCS London Marathon

Published: September 30, 2026
Updated: September 30, 2026

Main Facts

In a move that brilliantly blends high-stakes elite sport with lighthearted novelty, the starting order for the 2027 Double TCS London Marathon was decided by a game of Rock, Paper, Scissors. Reigning champions and world record-holders Catherine Debrunner and Sabastian Sawe faced off in front of an official adjudicator to determine which gender category would headline the marquee Sunday slot of the unprecedented two-day event.

Debrunner, a four-time London champion and the women’s wheelchair marathon world record-holder, triumphed over Sawe, who etched his name into athletics history earlier this year by becoming the first man to officially break the elusive two-hour barrier for the marathon in London.

Debrunner’s victory means that the elite women’s and women’s wheelchair races will take center stage on Sunday, April 25, 2027. Consequently, the men’s elite and men’s wheelchair equivalents will anchor the opening day of competition on Saturday, April 24. This quirky matchup has officially been ratified as a new Guinness World Records title, securing its place in history as the first elite marathon starting order ever decided by the classic playground game.

This logistical shake-up is driven by a staggering, unprecedented surge in public demand. Following a record-breaking 1.1 million ballot applications for the previous race, the 2027 edition shattered that milestone with a monumental 1.33 million entries. Recognizing that the traditional single-day format could never accommodate such astronomical interest, organizers have engineered the "Double London Marathon." The weekend will allow a groundbreaking 100,000 runners to traverse the iconic Greenwich-to-Westminster course across two days, projected to generate over £150 million for charity—what is anticipated to be the largest single fundraising moment in UK sporting history.

Chronology

The path to the 2027 Double TCS London Marathon and its unique kickoff decision has unfolded through a rapid series of record-breaking milestones and logistical breakthroughs:

Early 2026: Ballot applications for the standard London Marathon officially close, revealing a historic and unprecedented surge of 1.1 million hopeful participants, severely straining the limits of a traditional single-day endurance event.
Spring 2026: Elite runner Sabastian Sawe stuns the athletic world by breaking the two-hour barrier for the marathon in London, cementing his legendary status alongside elite women’s wheelchair icon Catherine Debrunner.
Summer 2026: Recognizing the untenable pressure of growing demand—subsequently compounded by a new high of 1.33 million applications for the following cycle—organizers conceptualize the "Double TCS London Marathon," a massive two-day expansion designed to double capacity to 100,000 finishers.
September 30, 2026: To settle the debate over which elite field gets the prime Sunday broadcasting and racing slot, Sawe and Debrunner meet for an officially adjudicated, Guinness World Record-certified game of Rock, Paper, Scissors. Debrunner wins, locking in Sunday, April 25, for the women’s elite showcases, and Saturday, April 24, for the men.
October 2026 (Upcoming): Registration for the Championship and Good for Age categories opens, officially setting the gears in motion for the monumental two-day weekend.
April 24–25, 2027: The scheduled execution of the Double TCS London Marathon, testing whether a temporary logistical marvel can successfully reshape the future of mass-participation endurance racing.

Supporting Data

The scale of the 2027 Double TCS London Marathon is historic by every measurable metric. Organizers have released comprehensive operational and demographic data highlighting the sheer magnitude of the undertaking:

1,33,0000: The record-shattering number of applications submitted for the 2027 ballot, building upon the 1.1 million applications received for the previous year.
100,000: The total capacity of runners expected to cross the finish line across the two-day weekend—effectively doubling the output of a standard single-day marathon.
£150 Million+: The estimated charitable donations projected to be raised over the course of the weekend, a figure expected to shatter all previous UK single-event fundraising records.
Two Days of Competition:
- Saturday, April 24, 2027: Features the men’s wheelchair race, elite men, male Championship runners, and male Good for Age runners.
- Sunday, April 25, 2027: Features the women’s wheelchair race, elite women, female Championship runners, and female Good for Age runners.
Mixed Mass Fields: While the elite and championship tiers are segregated by gender across the two days, mass-participation fields on both Saturday and Sunday will remain fully inclusive, open to male, female, and non-binary runners.

Official Responses

The decision to split the London Marathon into a two-day festival of running has elicited strong responses from the event’s leadership, blending excitement for the logistical feat with firm boundaries regarding its longevity.

Hugh Brasher, Chief Executive of London Marathon Events, championed the initiative as a bold leap forward for the sport. Describing the transition as "a once-in-a-generation, one-time-only reimagining of what a marathon and city-wide celebration of activity can be," Brasher expressed particular enthusiasm for the structural shift benefiting female competitors.

"I am particularly looking forward to the elite women’s start on Sunday," Brasher noted, highlighting a major structural improvement where Championship-category women will line up directly behind the elite women’s field—flanked by the elite women’s wheelchair race—rather than trailing behind the men’s event as seen in traditional formats.

However, Brasher and the organization’s official statements were equally unyielding regarding the permanence of the format. Organizers have explicitly labeled 2027 as a strict "one and done" experiment. Official event FAQs rule out any repeat in future years, emphasizing that the two-day schedule is a bespoke solution to a temporary demand spike rather than a permanent structural overhaul.

Maintaining his characteristic competitive spirit ahead of the races, Brasher joked about the polite preliminaries of the Rock, Paper, Scissors adjudication: "The competition may not be quite so friendly when race weekend arrives!"

Implications

While London Marathon organizers are adamant that the 2027 Double Marathon is a strictly isolated event, the implications of this experiment reach far beyond a single weekend, sending ripples through the global athletics community.

Logistical and Broadcast Challenges

Splitting the elite fields across two days fundamentally alters the television and media landscape of the race. For decades, the charm of the World Marathon Majors has hinged on a shared global broadcast moment where men and women compete on the same course, on the exact same day, under identical weather conditions. Spreading the marquee elite races across Saturday and Sunday will force broadcasters, sponsors, and fans to adapt to a fragmented narrative. Furthermore, maintaining city-wide road closures, marshalling thousands of volunteers, and managing medical infrastructure across an entire weekend rather than a single afternoon will stretch municipal logistics to an unprecedented degree.

A Paradigm Shift for Women’s Racing

By granting the elite women the premier Sunday headline slot—paired directly with the mass women’s championship fields—organizers are providing female endurance athletes with an uninterrupted, dedicated spotlight. Without sharing the broadcast window or the course congestion with the men’s elite field, the women’s race stands to gain unprecedented visibility, potentially inspiring a new blueprint for how elite fields are showcased globally.

The Slippery Slope of "One-Offs"

The ultimate implication centers on the old adage that nothing is more permanent than a temporary government program—or, in this case, a temporary sporting experiment. If the 2027 Double TCS London Marathon successfully clears its towering operational hurdles, delivers an immaculate runner experience, and obliterates fundraising targets by clearing the £150 million mark, the pressure to repeat the format will be immense.

With global running demand continuing to swell year-on-year, other World Marathon Majors—such as New York, Boston, Berlin, Chicago, and Tokyo—will be watching London’s grand experiment very closely. Should the "one and done" model prove to be a roaring success, London may well find itself pressured to reconsider its permanence, potentially setting a revolutionary new standard for the future of global marathoning.