by99 Swimming Betting — Ride the Wave of World Aquatics Odds
From the FINA World Championships to the Olympic 100m freestyle final, by99 brings Bangladeshi bettors the most competitive swimming odds available — with instant bKash and Nagad deposits and round-the-clock English support.
Swimming Betting at by99
Everything you need to know before placing your first swim bet.
Swimming is one of the world's most watched Olympic sports, and competitive aquatics betting has grown significantly across South and Southeast Asia over the past decade. At by99, we bring that global excitement directly to players in Dhaka, Chittagong, Sylhet, Khulna, and every corner of Bangladesh — with deep markets, sharp odds, and a platform built for fast mobile betting.
Whether you are tracking the Olympic 100m freestyle heats, backing a favourite in the FINA World Aquatics Championships, or watching short-course World Cup rounds, by99 keeps odds updated in real time so you never miss a market window. Our in-play betting desk covers all finals and semi-finals with split-time-aware odds that shift as the race unfolds.
Funding your account takes under a minute using bKash, Nagad, Rocket, or Upay — the payment methods Bangladeshi players rely on every day. All balances are displayed in Bangladeshi Taka (৳) so there is no confusion around conversion. Minimum deposit is just ৳500, making swimming betting accessible for casual fans and serious bettors alike.
by99 covers all four competitive strokes — freestyle, backstroke, breaststroke, and butterfly — as well as individual medley and relay events across 50m and 100m pool formats. Major tournaments such as the Olympic Games, Commonwealth Games, Asian Games, and FINA World Championships are fully covered with pre-match, live, and outright winner markets.
Featured Swimming Events
Major aquatics tournaments covered by by99 with full pre-match and live markets.
The pinnacle of competitive swimming. by99 covers every individual and relay final with race-winner, podium finish, and handicap markets. Odds open 6 months before the Games and update in real time during heats.
The largest standalone swimming competition outside the Olympics. Held annually in a rotating host city, the FINA Worlds brings together the world's fastest swimmers across all strokes and distances.
A particularly popular tournament with Bangladeshi bettors due to regional familiarity with Commonwealth nations. Strong competition from Australia, England, Canada, and South Africa creates excellent market depth.
The premier aquatics competition across the Asian continent. Dominance from China, Japan, South Korea, and Australia creates fiercely competitive markets — especially in relay and mixed relay events.
A fast-paced international series held in 25m pools across multiple cities each season. Shorter pool format leads to faster times and more dramatic races — ideal for in-play betting at by99.
Closest to home for Bangladeshi bettors. Featuring athletes from Bangladesh, India, Sri Lanka, Pakistan, Nepal, and the Maldives — South Asian Games swimming generates strong local interest and competitive in-region odds at by99.
Swimming Betting Markets at by99
A full breakdown of every market type available on the by99 platform for aquatics events.
| Market Type | Description | Availability | Typical Odds Range |
|---|---|---|---|
| Race Winner | Pick the outright winner of a single race final or heat. | Pre-match + Live | 1.20 – 8.00 |
| Podium Finish (Top 3) | Bet on an athlete finishing in the medal positions — any of the top three places. | Pre-match + Live | 1.10 – 3.50 |
| Head-to-Head | Two named swimmers matched against each other — back the one who finishes higher regardless of overall placement. | Pre-match | 1.75 – 2.20 |
| Nationality Winner | Back a specific country to win a given event — useful when rooting for regional athletes. | Pre-match | 1.15 – 12.00 |
| World Record | Will a world record be broken in this event? High variance — huge value when records are under pressure. | Pre-match | 3.50 – 9.00 |
| Relay Winner | Back a national team to win the 4×100m or 4×200m relay — freestyle, medley, or mixed. | Pre-match + Live | 1.30 – 6.50 |
| Tournament Outright | Which country finishes with the most gold medals at a multi-day championships? Long-term market open weeks in advance. | Pre-match | 1.20 – 15.00 |
| Handicap Time | Back a swimmer to beat their personal best time, or finish within a set time threshold in the final. | Pre-match | 1.65 – 2.80 |
Market availability and odds are subject to change. All bets are subject to full Terms & Conditions. 21+ only. Please visit Responsible Gaming for safe betting guidance.
The Four Competitive Strokes — A Bettor's Guide
Understanding each discipline helps you read the market and identify where value lies at by99.
Freestyle
The fastest and most prestigious stroke. The 100m freestyle is often called the "blue riband" of swimming — the race every bettor watches. Dominated by powerful sprinters, it rewards explosive starts and clean turns. Upsets are rare at the top level, which means odds on favourites can be thin — look for value in heat-stage markets where fatigue and tactics create variability.
Backstroke
Swum on the back, backstroke is notoriously unpredictable at distances beyond 100m. Underwater dolphin-kick ability off walls is a major performance differentiator that does not always show in prior times. Athletes who train specifically in long-course pools sometimes underperform in short-course World Cup settings — a nuance worth factoring into your by99 head-to-head bets.
Breaststroke
The slowest stroke technically but arguably the most tactical. Breaststroke races are often decided in the final 15 metres, making live in-play betting at by99 especially exciting. Betting on the back-end speed of a swimmer — rather than their split at the 50m turn — often offers better value. Injury history is a key research point for breaststroke bettors.
Butterfly
Visually the most spectacular stroke and the most physically demanding. Butterfly athletes often peak in form very specifically around major championships — off-peak results are less reliable predictors of form. The 100m butterfly final is one of the tightest races in world swimming, with margins often under 0.3 seconds between first and fourth. A sport of fine margins and big odds surprises.
Individual Medley (IM)
The IM requires a swimmer to complete equal distances in all four strokes in a set order: butterfly, backstroke, breaststroke, freestyle. It identifies the most complete swimmer in the water. IM athletes must be well-rounded — weakness in any single stroke is exposed. For by99 bettors, this creates multi-variable research opportunities: examine each stroke split of the field individually before placing outright winner markets on 200m or 400m IM events.
Relay Events
Relay betting is unique because performance is team-dependent. The order in which swimmers are fielded — particularly in medley relays — can shift odds dramatically between the heat and final lineups. National federations often hold back their fastest swimmer for strategic advantage. by99 relay markets include outright winner, country podium finish, and in-play betting during the race itself where split-time swings create rapid odds movement that sharp bettors can exploit.
Smart Swimming Betting Tips for by99 Players
Practical guidance for Bangladeshi bettors looking to approach aquatics markets with more confidence.
Study Heat Performance, Not Just Finals History
World-class swimmers often hold back in heats, swimming 98% effort to qualify without exposing their peak time. Compare heat splits year-on-year and look for swimmers who are consistently faster in finals than their heat times suggest. This research advantage is significant when betting race-winner markets at by99 before a championship final.
Track Long-Course vs. Short-Course Form Separately
A swimmer who dominates 25m short-course pool events may not translate that form directly to a 50m long-course Olympic final. Pool format changes the number of wall turns — a major variable for underwater dolphin-kick specialists. on by99, short-course World Cup markets and Olympic markets should be researched independently.
Monitor Pre-Competition Time Trials and Training Camps
Major national federations (USA Swimming, Swimming Australia, British Swimming) publish time-trial results and selection camps before championships. These are publicly available and provide a direct window into form and fitness not yet priced into by99 markets. Acting early — before sharp money moves the line — is where value lives.
Use Head-to-Head Markets for Lower-Profile Events
When betting on heats or preliminary rounds where outright winner odds are very short, head-to-head markets between two named swimmers often offer better value at by99. Rather than backing a heavy favourite at 1.25 to win the race, a head-to-head at 1.80 against a specific rival can generate more consistent returns over a series of events.
Exploit In-Play Markets During Multi-Stroke Races
During IM events, live odds shift dramatically as swimmers rotate through each stroke segment. A swimmer who leads after butterfly but transitions slowly to backstroke creates a sharp price correction in-play. By watching the race live and understanding each athlete's known stroke-specific strengths, by99's in-play platform lets you time a bet with real-time informational edge.
Set a Per-Event Stake Limit and Stick to It
Swimming finals are high-quality spectacles but outcomes can hinge on hundredths of a second — false starts, lane disqualifications, and equipment failures are all real risks. At by99, use the deposit limit and loss limit tools to define a strict per-event stake. Treat each event as an independent market and avoid chasing losses across a multi-day championship schedule.
Current Promotion
Swimming Accumulator Boost at by99
Combine 3 or more swimming race-winner selections into a single accumulator and receive a 25% payout boost on your winnings — available on all FINA World Championships and Olympic finals markets at by99.
- Minimum 3 race-winner selections required
- 25% boost applied automatically to qualifying accumulators
- Available on FINA Worlds, Olympics, Commonwealth Games, and Asian Games markets
- Minimum stake ৳200 per accumulator — 21+ only, terms apply
Why Bet on Swimming at by99
Built for players across Bangladesh — from Dhaka to Cox's Bazar, Rangpur to Barisal.
Instant bKash & Nagad Deposits
Fund your by99 account in under 60 seconds using bKash, Nagad, Rocket, or Upay. All balances displayed in Bangladeshi Taka (৳) — no currency conversion, no hidden fees, minimum deposit just ৳500.
Live In-Play Swimming Odds
by99's in-play desk covers all major aquatics finals in real time. Odds shift with each split time as the race progresses — giving sharp bettors a genuine live-data edge on every stroke segment.
Mobile-First Platform
Whether you are watching from Dhaka, travelling through Chittagong, or catching a race from Sylhet, by99 is fully optimised for mobile. Fast load times even on 4G networks — designed for Bangladesh's real connectivity conditions.
SSL-Secured Transactions
Every deposit, withdrawal, and bet placed on by99 is protected by industry-standard SSL encryption. Your financial data and personal information are never stored insecurely or shared with third parties.
24/7 English Support
Our support team operates around the clock in English — ready to assist with account queries, market questions, withdrawal requests, and responsible gaming tools. Average first response time under 3 minutes via live chat.
Welcome Bonus up to ৳20,000
New players at by99 receive a 100% deposit match bonus up to ৳20,000 on their first deposit. The bonus applies across all sports markets including swimming — giving you double the stake to explore aquatics betting.
Bet Responsibly — 21+ Only
Access to by99 is strictly limited to adults aged 21 years and above. Betting on swimming and other sports should be approached as entertainment — never as a source of income. Set deposit limits, session time limits, and loss limits using the free tools available in your by99 account dashboard before you begin betting.
If gambling is affecting your daily life, finances, or relationships, please visit our Responsible Gaming page for self-exclusion options and professional support resources available in Bangladesh.
Ready to Back Your Favourite Swimmer?
Join thousands of Bangladeshi bettors on by99. Claim your ৳20,000 welcome bonus and start betting on world aquatics today. 21+ only — bet responsibly.