Big Run

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Big Run

Save the city from Salmonids, and earn rewards while you're at it!
Type Online multiplayer mode
Players 1-4
Controllers Joy-Con
Nintendo Switch Pro Controller
Release Date 10 December 2022 (playable only during event)
I'm not going to sugarcoat it - there are Salmonids everywhere. Just stay focused on the task at hand, and you'll get through. I hope you had your coffee…
Mr. Grizz at the start of a standard Big Run wave

Big Run is an event mode in Splatoon 3. The mode was first announced in the Splatoon 3 Direct. Big Runs are limited-time events in which Salmonids invade a stage normally used by Inklings and Octolings for Turf War and Anarchy Battles, turning it into the only Salmon Run stage for the duration of the event. Starting with Chill Season 2022, Big Runs happen once per season, usually between two Splatfests.


Big Run shifts follow the same pattern as in regular Salmon Run. Four players team up to battle oncoming Salmonids over the course of three waves, splatting Boss Salmonids to acquire Golden Eggs and deposit them in the egg basket. In addition to appearing from the water of the flooded sections of the battle stage, Salmonids can now also spawn from large Gushers that burst open at the start of each normal and low tide wave. After the third wave, a King Salmonid may appear during an Xtrawave. The same rank system is used, with freelance and friend teams both available. The same bonuses are granted, with additional bonuses and superbonuses added to the bar. Additionally, a 1.2x multiplier is applied to Catalog Points earned from shifts during the event.

Three different tide levels can occur on each wave. Unlike in normal Salmon Run, where normal tide and high tide always take place in the same location and low tide takes place elsewhere, the play area of Big Run changes differently on each map. On some maps, all three tide levels can have separate egg baskets. Big Run features the Known Occurrences of Rush, Fog, The Griller, and The Mothership (except on Undertow Spillway, where The Griller cannot occur). Cohock Charge, Goldie Seeking, Mudmouth Eruptions, and Giant Tornado are not available. The possibility of Rush and The Griller is still constrained by the wave's tide level, but each can appear in more than one of the playable locations on the map, unlike in normal Salmon Run, where they cannot appear in the low tide location.

The Golden Egg total from a shift will count for the player's high score even if the team fails to complete all three waves, with Mr. Grizz indicating that he cares about the Golden Eggs more than he cares whether Splatsville is successfully defended from the Salmonid invasion.

During the event period, Big Run replaces access to regular Salmon Run shifts[1] through the Grizzco lobby, similar to how Splatfest Battles restrict access to non-Splatfest Turf War battles and Anarchy Battles. Normal battles are still available, but the current Big Run stage is unavailable in any rotation until Big Run is over.

At the announcement and starting times of Big Run, a warning and recruitment message is delivered by Deep Cut during the Anarchy Splatcast. During the event, Splatsville, Inkopolis Plaza, and Inkopolis Square become foggy. The skies overhead turn dark pink and filled with storm clouds, with Grizzco helicopters flying overhead, and the background music is changed to an eerier tune played on violin (for Splatsville) or a synthesizer (for Inkopolis Plaza and Inkopolis Square, with separate ambient themes for both), and various noises coming from Salmonids can be heard. Inside Grizzco Industries, a warning light flashes, and the usual Grizzco lobby music is replaced by Bait & Click (Mutation), performed by ω-3. When playing a shift, the battle stage's sky takes on the same appearance, and Bait & Click plays instead of Deluge Dirge or Frantic Aspic (other songs play as normal). Additionally, the Anarchy Splatcast theme is replaced during the event with a Grizzco Industries version.

Players do not have to reach Level 4 to participate in Big Run, unlike normal Salmon Run. This is seen in the stage schedule in SplatNet 3, where it shows a banner reading, "It's Big Run time! Grizzco hiring ANYONE!"

BIG Big Run

Promotional image for the BIG Big Run during Sizzle Season 2024.

A special version of Big Run dubbed BIG Big Run was teased in the Sizzle Season 2024 announcement trailer.[2] During this special event, all previous stages where Big Run events took place were taken over by Salmonids; event participants were randomly sent to any of the available sites. A new Grizzco weapon, the Grizzco Roller, made its debut as the sole rare weapon available outside of Xtrawave. During Xtrawave, the three King Salmonids (Cohozuna, Horrorboros, and Megalodontia) are fought at the same time as the Triumvirate, wherein players receive a random rare weapon and two special weapon uses. Fish scales obtained during an Xtrawave received a x3 Triumvirate bonus.

BIG Big Run took place from 8 June 2024 to 10 June 2024, during which the six stages (Wahoo World, Inkblot Art Academy, Undertow Spillway, Barnacle & Dime, Um'ami Ruins, and Eeltail Alley) were absent from stage rotations in online battle modes. The stage selection for this event was referred to as "Multiple Sites" in in-game and SplatNet 3 rotation listings. The term "BIG Big Run" was only used in Anarchy Splatcast news dialogue and official social media posts; in mode selection and SplatNet 3 shift records, the event was referred to by the standard Big Run title.

Defeating the Triumvirate rewarded a badge, and defeating the Triumvirate at Hazard Level MAX rewarded the Grizzco helicopter locker decoration after dialogue with Mr. Grizz's statue in the Grizzco lobby.


Big Run results announcement showing the high score breakdown for that event.

At the end of each Big Run event, exclusive locker decorations are awarded based on the highest team-wide Golden Egg total the player achieved in any one shift. Each Big Run has three fixed tiers of scores to aim for, which are announced at the start of a Big Run during the Anarchy Splatcast. Players who do not meet score thresholds still receive a basic version of the decoration for participating in at least one shift.

Before Version 6.0.0, scores were instead ranked relative to the high scores of all participating players, with the different decorations awarded to players whose high score was in the top 5%, top 20%, top 50%, or bottom 50% (participation) of scores.

Additionally, starting from version 4.0.0, Big Run participants receive double fish scales after an Xtrawave. As of 8.0.0, the Xtrawave of a BIG Big run (facing off against the Triumvirate) rewards participants with triple fish scales instead.

Old system (Pre-6.0.0)
Reward Score Required Event Dates
Participation Bronze Silver Gold
Cohozuna figure 10 December 2022 to 12 December 2022
87 & Under 88 - 112 113 - 136 137 & Up
Horrorboros figure 4 March 2023 to 6 March 2023
89 & Under 90 - 116 117 - 140 141 & Up
Lesser Salmonid swarm figure
10 June 2023 to 12 June 2023
93 & Under 94 - 123 124 - 149 150 & Up
Helicopter figure
2 September 2023 to 4 September 2023
101 & Under 102 - 130 131 - 155 156 & Up
New system (6.0.0 onward)
Reward Score Required Event Dates
Participation Bronze Silver Gold
Golden Egg figure
2 December 2023 to 4 December 2023
84 & Under
(115 & Under)*
85 - 109
(116 - 143)*
110 - 134
(144 - 164)*
135 & Up
(165 & Up)*
Megalodontia figure
9 March 2024 to 11 March 2024
84 & Under 85 - 109 110 - 134 135 & Up
Life ring figure
8 June 2024 to 10 June 2024
84 & Under 85 - 109 110 - 134 135 & Up
* Due to a bug, the scores for select players were still ranked relative to the high scores of all participating players. Version 6.0.1 remedied this for some players, but not others, and it was fully fixed in Version 6.0.2. Another fix was later released in Version 8.0.0 to resolve any remaining issues players had with their rewards.[3]


Badges are available for reaching each tier of high score in any Big Run event.

Image In-game description
Got a Bronze Decoration in Big Run
Got a Silver Decoration in Big Run
Got a Gold Decoration in Big Run
Dethroned a Triumvirate

Big Runs

Main article: List of Big Runs in Salmon Run Next Wave


Stage(s) Description Big Run(s) Rare weapon(s) King Salmonid(s)

Wahoo World
Wahoo World was the first multiplayer stage to be played on during Big Run. It was revealed during the Splatoon 3 Direct, and was shown again during the Chill Season 2022 announcement trailer. 10 December 2022 to 12 December 2022 Grizzco Blaster Cohozuna

Inkblot Art Academy
Inkblot Art Academy was the second multiplayer stage to be played on during Big Run. It was revealed in a Fresh Season 2023 promotion on 20 February 2023. During this Big Run, Horrorboros made its first appearance during Xtrawaves. 4 March 2023 to 6 March 2023 Grizzco Brella Horrorboros

Undertow Spillway
Undertow Spillway was the third multiplayer stage to be played on during Big Run. It is the first stage from the Splatlands to be a part of Big Run. It was revealed in a Sizzle Season 2023 promotion on 19 May 2023. 10 June 2023 to 12 June 2023 Grizzco Charger Cohozuna, Horrorboros

Um'ami Ruins
Um'ami Ruins was the fourth multiplayer stage to be played on during Big Run. It was revealed in a Drizzle Season 2023 promotion on 17 August 2023. During this Big Run, the Grizzco Dualies were available for the first time. 2 September 2023 to 4 September 2023 Grizzco Dualies Cohozuna, Horrorboros

Barnacle & Dime
Barnacle & Dime was the fifth multiplayer stage to be played on during Big Run. It was revealed in a Chill Season 2023 promotion on 15 November 2023. During this Big Run, Megalodontia made its first appearance during Xtrawaves. 2 December 2023 to 4 December 2023 Grizzco Blaster, Grizzco Brella, Grizzco Charger, Grizzco Slosher, Grizzco Stringer, Grizzco Splatana, Grizzco Dualies Megalodontia

Eeltail Alley
Eeltail Alley was the sixth multiplayer stage to be played on during Big Run. It was revealed in a Fresh Season 2024 promotion on 23 February 2024. 9 March 2024 to 11 March 2024 Grizzco Blaster, Grizzco Brella, Grizzco Charger, Grizzco Slosher, Grizzco Stringer, Grizzco Splatana, Grizzco Dualies Cohozuna, Horrorboros, Megalodontia

Multiple sites
Wahoo World, Inkblot Art Academy, Undertow Spillway, Barnacle & Dime, Um'ami Ruins, Eeltail Alley
During the BIG Big Run, all six multiplayer stages were available again at random. The return of every stage was teased during the Sizzle Season 2024 trailer on 16 May 2024 and confirmed via social media on 24 May 2024. 8 June 2024 to 10 June 2024 Normal: Grizzco Roller
Xtrawave exclusive: Grizzco Blaster, Grizzco Brella, Grizzco Charger, Grizzco Slosher, Grizzco Stringer, Grizzco Splatana, Grizzco Dualies, Grizzco Roller
Triumvirate (Cohozuna, Horrorboros and Megalodontia)


SRL Fashion Desk here! With the Big Run tomorrow, we wanted to let you know that you can earn a special Big Run badge for your Splashtag! You just need a top high score on a single shift—no fancy job title required. And if you don't get it this time, you can try again next time.
— @SplatoonNA on Twitter[4]
"Big Run" is a phenomenon where salmon rush to the area where the squid live. It is rumored that it occurs once every few months. During the Big Run, the stage you usually use in battle will be the stage of your part-time job.
— @SplatoonJP on Twitter [5]
Welcome to Grizzco Industries. And congrats on making the kind of sound business decision that future you will no doubt appreciate. I take it my advertisements for help with the Big Run have been effective. We are... somewhat short-staffed at the moment. You've come at just the right time!

You... are aware of the Big Run phenomenon, yes? Where Salmonids stray far from their own turf and invade our city? It is business critical that we prevent the Salmonids from damaging the city. Stopping them is no small task, but Grizzco employees are willing to risk it all. The primary objective of stopping the Salmonids just so happens to dovetail nicely with our core business model -- collecting Golden Eggs. It's all about synergy!

Now, we at Grizzco recognize the risk associated with this challenging task. That's why we're increasing our payout for all surviv-- Um... for all top producers. We've even prepared a special decoration for everyone, regardless of job performance. For more details, just press when you're talking to me before a job.

This has been productive. I'm looking forward to seeing what you can do with this opportunity. Good luck!

Mr. Grizz when the player enters Grizzco Industries for the first time during a Big Run


Click to view the quotes for Big Run. View the quotation page.



Too long!
This trivia section is too long. Information should either be consolidated, rewritten, or otherwise integrated into the main article.
The seven rings island in-game. Note the lack of the seven rings themselves, but the presence of the lights they cast.
  • During the initial Big Run reveal, the sky in the footage was a dark red, matching the appearance of the sky during an Xtrawave. This was most likely a placeholder, as the sky was changed to pink in the second trailer.
  • In the background of a promotional image for Wahoo World, the "seven rings" mentioned in Splatoon 2's Sunken Scroll 17 can be seen in the sky, above an island. During its initial appearance, the rings themselves were not present in-game, though the lights coming from the seven rings were still visible; this was corrected during the BIG Big Run. The rings are much closer to the stage and more visible at Um'ami Ruins.
    • The Sunken Scroll's illustration also appears briefly in the Chill Season 2022 announcement trailer for a few frames at the beginning of the Big Run segment.
  • Every instance of a Big Run introduces a new gameplay mechanic:
    • Wahoo World introduced the mode as a whole.
    • Inkblot Art Academy introduced the Horrorboros.
    • Undertow Spillway introduced randomized King Salmonids.
    • Um'ami Ruins introduced the Grizzco Dualies.
    • Barnacle & Dime introduced the Megalodontia.
    • Eeltail Alley is the only Big Run where the water level never changes, and Salmonids spawn exclusively from Gushers. However, three different tide levels are still indicated at the beginning of a wave, and the play area changes along with them.
    • The BIG Big Run introduced randomly selected stages, the Grizzco Roller, and the Triumvirate.
  • During the Undertow Spillway Big Run, the lighting on the inside of the helicopter was incorrectly applied, causing a small strip at the bottom of the screen to always appear fully lit. The same error was visible during the Barnacle & Dime Big Run, although less conspicuously. This was fixed during the BIG Big Run.
  • The numbers of accounts that participated in the first three Big Runs are present in the game's data.[6]
    • For the first Big Run at Wahoo World, there were 2,869,022 registered accounts.
    • For the second Big Run at Inkblot Art Academy, there were 2,766,896 registered accounts.
    • For the third Big Run at Undertow Spillway, there were 1,853,657 registered accounts.
  • Anarchy Splatcast glitch after the Barnacle & Dime Big Run
    For certain players, the initial Anarchy Splatcast results after the Barnacle & Dime Big Run had ended were skipped. These players also received prizes that were not consistent with their high scores, indicating that the older percentage-based system utilized prior to the 6.0.0 update was still in use, despite the prize qualifications previously being shown to be different. The glitch was quickly acknowledged by Nintendo.[3] The Version 6.0.1 update remedied this for some players, but not others; those affected were able to collect the correct rewards by entering the lobby after the 6.0.2 update, though they were allowed to keep the initial incorrect figures.
    • During this time, each figure threshold was listed in the in-game help menu as "0" Golden Eggs.
  • The Eeltail Alley Big Run was the first to be held after Inkopolis Square was added. Several details were missing from the square during this time, including the origami crane statue, the sign over the entrance to the Shoal, the smartphone border on one of Deca Tower's screens, and the tortoise statue's neckband. This was fixed in Version 7.2.0, with the fixed version debuting in the BIG Big Run.

Names in other languages

Language Name Meaning
Japan Japanese ビッグラン
biggu ran
Big Run
CanadaFrance French Big Run Same as English
Germany German Big Run Same as English
Italy Italian Big Run Same as English
Russia Russian Big Run Same as English
SpainMexico Spanish Big Run Same as English
China Chinese 大型跑
dàxíng pǎo (Mandarin)
daai6 jing4 paau2 (Cantonese)
Big Run
South Korea Korean 빅 런
bik reon
Big Run
 Internal BigRun[7] -
BIG Big Run
Language Name Meaning
Japan Japanese ビッグビッグラン
biggu biggu ran
Big Big Run
Netherlands Dutch Mega-Big Run Mega Big Run
France French (NOE) Ultra Big Run Ultra Big Run
Italy Italian Super Big Run (Sizzle Season 2024 trailer)
SUPER Big Run (@NintendoItalia on Twitter)
Super Big Run
SpainMexico Spanish BIG Big Run Same as English
China Chinese 大大型跑
dà dàxíng pǎo (Mandarin)
daai6 daai6 jing4 paau2 (Cantonese)
Big Big Run