
I used to live on hope, luck, and horseshoes on race morning—like, legit close my eyes and pray my legs magically turned to gold and I would run my best time. Sometimes they did. Mostly, they didn’t. Then I stumbled on this simple “race predictor” workout: you hammer a few intervals at your dream pace, take a skimpy rest, and see if it’s actually doable. No more illusions.
Honestly, it felt like stepping on a scale after a weekend bender—I was scared to face the truth. But the first time I did it, I realized how freeing it was to know where my fitness really stood, warts and all. Kinda like checking your bank balance before you blow $200 on new running shoes.
Now, that mini reality check keeps me from totally self-destructing on race day. I know what I can handle. No more “please let the running gods save me” nonsense. Sure, it’s not always flattering, but it’s real—and that’s a thousand times better than blind hope. Ready to roll the dice, or actually see the odds? Your call.
Each tip/hack will have a rating based on the below:
I’ve used all of these and will give you my personal stories and pair them with scientific data, studies, and expert opinions.
I’ll start with the easiest thing to do on race day and then we’ll work our way through to the most complex thing. By the end, you’re going to be fully equipped to crush your race day times in any event from the mile to multi-day ultra-marathon.
Race predictor test
Behavioural
30–60 minutes, periodically
Low
It’s like a sneak peek at race day—pushing yourself in a test race shows where your fitness really stands.
Do this 2–3 weeks before your race to see if you’re on track. Race at your expected race pace to gauge performance.
If you want to avoid nasty surprises on race day, this test helps you adjust and fine-tune. No more guessing games.
Acute
Fatigue—be mindful of scheduling it so it doesn’t wreck your training cycle.
Medium
All Distances
It’s not easy, but it gives a realistic estimate of your upcoming race time and helps with strategy/pacing.
Race predictor tests for endurance performance

Proper Taper
Behavioural
1–3 weeks pre-race
Low
Pull back mileage, but keep intensity, so you’re fresh but not sluggish when it’s go-time.
Drop your volume 1–3 weeks before the race,e but keep some fast/“snappy” sessions. Don’t overthink—less is more.
Tapering gives you that perfect balance of rested but ready. Too much rest = flat legs, too little = burned out.
Acute
Potential loss of fitness if overdone (paranoia about feeling “lazy”).
Medium
Half Marathon to Marathon
Tapering for endurance athletes
High-Quality Sleep
Behavioural
8–9 hours daily
Low–High (depends on your setup)
Your body heals, repairs, and restores during sleep. No sleep = no performance. Simple.
Aim for 8–9 hours, especially before and after heavy mileage weeks.
Sleep is your secret weapon—free, effective, and crucial for recovery without lifting a finger.
Chronic
Time commitment (which can be challenging if you have a busy schedule).
Medium–High
All Distances
Pro tip: Do the crime (hard training) and do the time (sleep). If you get this right, your entire life gets more manageable, and you’ll run faster.

Resistance Band
Behavioural
5–10 minutes daily
Low
They’re gold for building strength and fixing imbalances—crucial for injury prevention.
Just 5–10 minutes daily, focusing on glutes, hips, and core. Consistency is key.
Stronger, more stable muscles = lower injury risk, better form, and more racing in the long run.
Chronic
It’s not significant (do it consistently).
Low
All Distances
Small effort, big payoff.
Strength training with resistance bands for runners
Alright, this is a lot to take in, and you’re probably like, “Yo Daren… I just want to get started on something, man!” Don’t worry… I got you!
I’ve created an easy-to-read table spreadsheet and pdf with a checklist, a full table spreadsheet of everything (all 17 race hacks), and a quick start guide that you can jump on today… AND – mega bonus – an 8-week “Don’t start your races so fast” free mental/mindful running training plan. Yes – most of us suffer from starting either too fast or too slow (me!) This training plan will fix that – All of this is free cuz I love helping folks out in the world.
Just click here to access it. BONUS – you’ll automatically get signed up for more of my deep dives into consistency, habits, and incremental self-improvement for the smart, self-coached runners email newsletter that comes about once a week.

Sauna
Behavioural
45–60 minutes, 2–3 times/week
High
Activates heat shock proteins and boosts red blood cell count, improving endurance and heat tolerance.
30–60 minutes, 2–3 times a week. Build up slowly.
Better heat tolerance = better performance in hot races. Plus, it boosts overall cardiovascular health.
Chronic
High
5K–Half Marathon
Sauna heat adaptation and red blood cell production in athletes
As I touched on earlier, these 17 tools are just things that you add to an already strong foundation. Don’t be out of shape and inconsistent with your training, nutrition, and recovery, then buy a bunch of supplements and chug baking soda before a run. All the while, expect to run your best time.
Here are four specific things you should watch out for:
None of these work if you aren’t race-fit. I’m not talking about general fit – like you’ve been running 2-3 days a week for 20 minutes easy and hit your 10,000 steps. You gotta be race-fit and push yourself weekly for all of these race days tools to work. These are the fundamentals. It’s like doing intervals specific to your race, proper long runs, strength training, progressive loading, etc. You know, training like a runner who is intentional and serious about getting their best times. I repeat you cannot do all of these hacky tactics and expect to magically run your best half-marathon time by sitting on the couch and calling it in.
This is part of the 1% gains. We are compiling 1% here and .05% percentage there to see if we can get a nice 2-3% bump in performance on race day.
2-3% doesn’t sound sexy, right? You may want that bump of a 1-hour difference in your best time from your first marathon to your second, but you can’t keep getting 1 hour better each marathon. Instead, you gotta approach it with an incremental gains mindset.
Think about it like this: if your best half marathon is one hour and 40 min (100 minutes total), then 3% would be an extra 3 minutes faster on your time. That’s a lot. For a pro, 3% would be the difference between barely qualifying for the Olympics and winning gold. This leads to the second warning…
Some of these supplements, while being scientifically proven for results, usually had a small sample size and were tested on prime pro elite or very well-trained male athletes in their 20s/30s. These athletes usually did shorter duration events from a few seconds to 25 minutes total. The longer your race (i.e., 10k, half, full marathon, and ultra-marathon), the less theoretically effective these are. This is because the longer the endurance event, the more you use your aerobic system.
With that said an age-grouper amateur runner might react negatively or get no results from these supplements. For example, I have tried bi-carb soda, and my stomach didn’t like moderate levels of it. No one knows which ones will work until you test it out yourself. This leads to my third point…
Because most of these are supplements and nutrition advice, we are not your doctors, nor do we play one on the internet. While I’d never recommend anything dangerous, you are still bio-hacking yourself in a way. This content is all for entertainment and curiosity purposes. Please consult with your doctors or nutritionist/dietician to make sure you don’t have any issues short or long-term. If you proceed to use this stuff, start low and slow. Keep doses at the lower levels and see how you react. Don’t try them before 30-minutes before the race you’ve been training for over the last 8 months. And please make sure you have access to a bathroom within the first hour of trying it and during your test runs, as “sh*t happens” to the best of us.
Try to cycle this in and around important races. While this is anecdotal, and I have no evidence of the following statement, I believe doing something all the time makes it a crutch. You rely on i,t and if you don’t have it for whatever reason, you think you can’t run without it. Again, back to number 1 – this is an enhancement only.
I feel the same way about super shoes (link). They are special. Bring them out on your fast workouts and races, not for your easy 20-minute recovery run.
The 17 tools and tactics look to give you a turbo boost for your races. Not be the baseline. It should feel like a party— special and rare. A party is not a party if it happens every night.
We’ve covered a lot of ground, and you will either be inspired to try everything, turned off to try nothing or in the middle and stuck. I totally get overwhelmed. It’s a lot. But here are a few more things you can do to make it a more manageable adoption period for you.
One big issue I’ve found is just keeping up with this. “Another damn thing”. You’re already training and doing your best in life. But this this is a hidden trade-off. How much of your mental capacity do you want to put into this? You don’t have to do any of this and you can also pick one or two things to focus on.
Knowing what to take, how to take it, purchasing the stuff, storing the stuff, getting it out at the right time, etc., is all a mind flux. Esp as you are getting more fatigued in your race training block..
I’ve been bio-hacking and playing running lab rat with myself for years, so this has become second nature, but it took me time, and I think it’s worth it. In the beginning I’ve found it best to pick one or two things to focus on per race. If you race multiple times per year, great! You can try a few things or habit stack them to make it easier to start (post on this in the near future).
I’m only human and know what I know. Did I miss anything that works for you that is a hidden secret? Throw a link in the YouTube video comments, email talk at dlake creates dot com, or message me on Instagram @dlakecreates.
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