Elite performance on plant-based diets

Vegan and Vegetarian Athletes: Who They Are and How They Fuel (2026)

From Grand Slam champions to world record holders, elite athletes across every sport are thriving on plant-based diets. Here are their stories, the science behind plant-based performance, and how to fuel your own training.

10 Elite Vegan Athletes

Novak Djokovic

Tennis

Plant-based

24x Grand Slam champion, former world No. 1

Switched to plant-based diet in 2010 after struggling with gluten. Credits the diet for a remarkable mid-career resurgence.

Venus Williams

Tennis

Raw vegan

7x Grand Slam champion

Adopted a raw vegan diet in 2011 after being diagnosed with Sjogren's syndrome. Has attributed improved energy and recovery to the dietary change.

Lewis Hamilton

Formula 1

Vegan

7x F1 World Champion

Went vegan in 2017 and has been vocal about the environmental motivations. Maintains demanding training schedule on a plant-based diet.

Patrik Baboumian

Strongman

Vegan

Multiple world records in log lift and yoke carry

Germany's Strongest Man 2011 has set world strength records as a vegan. One of the most cited examples of elite strength performance on a plant-based diet.

Scott Jurek

Ultrarunning

Vegan

7x Western States 100 champion, Appalachian Trail speed record (2015)

One of the most decorated ultrarunners in history. Has been vegan since 1999 and credits plant-based eating for his recovery and longevity in the sport.

Alex Morgan

Soccer

Vegan

2x FIFA Women's World Cup champion, Olympic gold medalist

US Women's National Team forward. Went vegan in 2017 and has been an advocate for plant-based athletic performance.

Nate Diaz

MMA / UFC

Vegan

Notable victories over Conor McGregor

The Diaz brothers (Nate and Nick) are perhaps the most famous vegan MMA fighters. Nate has spoken about plant-based eating providing better energy and recovery.

Carl Lewis

Track and Field

Vegan

9x Olympic gold medals; best year was 1991 at age 30 (vegan)

The legendary sprinter and long jumper became vegan in 1990 and considers it a contributing factor to his best competitive year at age 30.

David Haye

Boxing

Vegan

WBA Heavyweight Champion, WBC/WBA/WBO Cruiserweight Champion

Former world heavyweight champion who credits veganism with faster recovery and increased energy levels during training.

Tia Blanco

Surfing

Vegan

ISA Open Women's Surfing Gold Medalist

World-class surfer who has been vegan from birth and is one of the most prominent vegan athletes in action sports.

The Science: Can Plant Proteins Build Muscle?

The research on plant-based diets and athletic performance has matured significantly in the past decade. Key findings:

Muscle protein synthesis

Multiple RCTs (randomised controlled trials) now show that plant-based protein sources, particularly soy and pea protein, support muscle protein synthesis rates comparable to whey protein when total protein and leucine intake are matched.

Volek et al., Nutrients 2022

Endurance performance

A 2020 study in the Journal of the International Society of Sports Nutrition found no significant difference in VO2 max, lactate threshold, or body composition between vegan and omnivore endurance athletes matched for protein intake and training volume.

Lynch et al., JISSN 2020

Recovery and inflammation

Plant-based diets are associated with lower levels of systemic inflammation markers. Some researchers suggest this may support faster recovery between training sessions, though direct evidence in elite athletes is still limited.

Multiple review articles

Creatine advantage for vegans

Because plant foods contain virtually no creatine, vegans show larger performance gains from creatine supplementation than omnivores. A 1999 study found vegans gained significantly more muscle mass and strength from creatine than meat-eaters.

Burke et al., International Journal of Sport Nutrition

Sample Athlete Meal Plans

Vegan Endurance Athlete

3,000+ calories, ~110g protein

6:30am (pre-run)

Banana + peanut butter on toast

450 kcal, 12g protein

8:30am (post-run)

Oat milk smoothie: hemp seeds (30g), frozen banana, oats, peanut butter

700 kcal, 30g protein

12:30pm

Large lentil and vegetable soup + 2 slices wholegrain bread

600 kcal, 24g protein

4pm (pre-workout)

Medjool dates (4) + handful almonds

350 kcal, 8g protein

7pm

Tofu and edamame stir-fry with brown rice (large portion)

800 kcal, 42g protein

Vegan Strength Athlete

3,500 calories, ~150g protein

7am

Protein smoothie: oat milk, pea protein (2 scoops), hemp seeds, oats, banana

800 kcal, 55g protein

10am (pre-lift)

Large chickpea and quinoa bowl with tahini

650 kcal, 28g protein

1pm (post-lift)

Seitan stir-fry (200g seitan) with edamame and rice

850 kcal, 50g protein

4pm

Tempeh (100g) on rice cakes with almond butter

500 kcal, 26g protein

8pm

Large lentil and tofu curry with whole grain rice

750 kcal, 38g protein

Supplements for vegan athletes: B12 (essential), Vitamin D3 (1,000-2,000 IU), Algae DHA/EPA (500mg), Creatine monohydrate (3-5g/day -- highly recommended), Iron (monitor via blood test), Zinc (monitor via blood test). Protein powder (pea or soy) if struggling to hit protein targets through whole foods.

Athlete Questions Answered

Can you build muscle on a vegan diet?

Yes. Multiple studies have shown that plant-based protein supports muscle protein synthesis comparably to animal protein when total protein intake is adequate. The key is sufficient leucine (the amino acid that triggers muscle growth) -- found in soy, legumes, and pea protein. Strongman Patrik Baboumian broke world records as a vegan, and many professional bodybuilders compete on plant-based diets. Total protein intake matters more than protein source.

Do vegan athletes need creatine supplements?

Creatine supplementation is particularly beneficial for vegan athletes. Plant foods contain virtually no creatine (it is only found in meat and fish). As a result, vegans typically have 20-30% lower muscle creatine stores than omnivores. Studies show that creatine supplementation provides a larger performance boost for vegans than for meat-eaters, precisely because they have more to gain. Recommendation: 3-5g creatine monohydrate daily. This is among the best-supported sports supplements available.

How much protein do vegan athletes need?

Vegan athletes should target 1.6-2.0g of protein per kg of body weight per day for muscle building and maintenance. This is slightly higher than the recommendation for omnivore athletes (1.4-1.8g/kg) to account for the slightly lower digestibility of plant proteins and the fact that most plant proteins have lower leucine content than animal proteins. For an 80kg athlete, this means 128-160g protein per day. This is achievable but requires deliberate meal planning with tofu, tempeh, seitan, legumes, and potentially protein powder.

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