We've modeled the Grand Central Circuit route using the typical standard bike characteristics from Zwift along with rolling resistance data supplied by (Zwift Insider ). For the rider, we modeled a lighter athlete holding roughly 2.5 to 2.7 Watts/Kg.
Use the Time Analysis Tool to adjust Drag (CdA), Average Power, Rider Weight and Rolling Resistance (Crr) to your own specific numbers. For detailed information on specific sections of the route, simply drag over that section on the Time Analysis chart to zoom in (note the data under Route Overview updates to Zoomed Area). For a more customized model tailored specifically to your data and inputs Sign Up For Free and create your own power plan with the Grand Central Circuit route!
Zwift courses do not use real world weather data, but with a real world race and a Premium Subscription you would see data on temperature, humidity, pressure, wind speed and wind direction for the entire course.
Read more about the Advanced Weather chart under our on the FAQs page and see it in action on our Ironman World Championships Demo.
This route has a short lead-in, so add about 1 to 3 minutes to your estimated model time to complete.
| Interval | Int. Time | Total Time | Int. Dist. | Total Dist. | Grade | Speed | Power |
|---|---|---|---|---|---|---|---|
| #1 | 00:00:53 | 00:00:53 | 0.26 mi | 0.26 mi | +0.38 % | 17.60 mph | 155 watts |
| #2 | 00:00:15 | 00:01:09 | 0.10 mi | 0.36 mi | -2.87 % | 22.31 mph | 117 watts |
| #3 | 00:01:13 | 00:02:22 | 0.23 mi | 0.59 mi | +5.48 % | 11.39 mph | 194 watts |
| #4 | 00:01:33 | 00:03:55 | 0.20 mi | 0.79 mi | +7.00 % | 7.88 mph | 197 watts |
| #5 | 00:00:21 | 00:04:17 | 0.08 mi | 0.87 mi | +1.28 % | 12.80 mph | 173 watts |
| #6 | 00:02:08 | 00:06:25 | 0.37 mi | 1.24 mi | +4.64 % | 10.43 mph | 190 watts |
| #7 | 00:01:20 | 00:07:46 | 0.18 mi | 1.42 mi | +6.83 % | 8.05 mph | 195 watts |
| #8 | 00:01:17 | 00:09:03 | 0.16 mi | 1.58 mi | +7.68 % | 7.33 mph | 199 watts |
| #9 | 00:00:47 | 00:09:50 | 0.31 mi | 1.89 mi | -4.58 % | 24.09 mph | 104 watts |
| #10 | 00:00:14 | 00:10:05 | 0.09 mi | 1.98 mi | -0.28 % | 21.86 mph | 150 watts |
| #11 | 00:00:26 | 00:10:32 | 0.23 mi | 2.21 mi | -11.18 % | 30.27 mph | 0 watts |
| #12 | 00:00:18 | 00:10:50 | 0.12 mi | 2.33 mi | -1.18 % | 23.09 mph | 136 watts |
| #13 | 00:00:27 | 00:11:17 | 0.21 mi | 2.54 mi | -7.47 % | 27.38 mph | 83 watts |
| #14 | 00:00:28 | 00:11:46 | 0.22 mi | 2.76 mi | -5.27 % | 28.21 mph | 97 watts |
| #15 | 00:00:08 | 00:11:54 | 0.06 mi | 2.82 mi | -0.40 % | 26.25 mph | 147 watts |
| #16 | 00:02:35 | 00:14:30 | 0.80 mi | 3.62 mi | +0.43 % | 18.60 mph | 157 watts |
| #17 | 00:00:42 | 00:15:12 | 0.27 mi | 3.89 mi | -1.57 % | 22.97 mph | 133 watts |
| #18 | 00:00:54 | 00:16:06 | 0.24 mi | 4.13 mi | +2.85 % | 15.52 mph | 180 watts |
| #19 | 00:00:21 | 00:16:28 | 0.13 mi | 4.26 mi | -3.77 % | 21.11 mph | 110 watts |
| Totals | 00:16:28 | 00:16:28 | 4.26 mi | 4.26 mi | NA | 15.50 mph | 161.81 watts |
| Distance | 4.26 mi | |
|---|---|---|
| Time | 00:16:28 | |
| Lead-In | 1 - 3 minutes | |
| Avg. Speed | 15.5 mph | |
| Avg. Power | 161.81 w | |
| Normalized Power | 175.10 w | |
| Variability Index | 1.08 | |
| Intensity Factor | 0.80 | |
| Training Stress Score | 17 | |
| Watts/Kg | 2.46 | |
| Work | 160 kJ | |
| Weighted Grade | 1.99% | |
| Effective Elevation | +427 / -427 ft | |
| Avg. Yaw | 0.00 ° | |
| Avg. CdA | 0.3209 | |
| Avg. Crr | 0.00400 | |
| Route | Grand Central Circuit | |
| Bike | Zwift Road Bike | |
| Cheat Sheets | bestbikesplit.com/hints/158054 | |
| Additional Info. | Zwift Insider | |
Note: All ERG and MRC files are compatible with Zwift, TrainerRoad, RGT and Rouvy. For more information on all downloadable file types please see the File Downloads & Device Settings FAQs.