We've modeled the Twilight Harbor 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 Twilight Harbor 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.
| Interval | Int. Time | Total Time | Int. Dist. | Total Dist. | Grade | Speed | Power |
|---|---|---|---|---|---|---|---|
| #1 | 00:00:40 | 00:00:40 | 0.21 mi | 0.21 mi | 0.00 % | 18.77 mph | 173 watts |
| #2 | 00:00:25 | 00:01:05 | 0.14 mi | 0.35 mi | +0.71 % | 19.94 mph | 183 watts |
| #3 | 00:00:42 | 00:01:48 | 0.26 mi | 0.61 mi | -1.13 % | 22.37 mph | 157 watts |
| #4 | 00:00:07 | 00:01:55 | 0.05 mi | 0.66 mi | -0.27 % | 23.05 mph | 172 watts |
| #5 | 00:01:21 | 00:03:17 | 0.46 mi | 1.12 mi | +0.38 % | 20.40 mph | 179 watts |
| #6 | 00:00:22 | 00:03:39 | 0.14 mi | 1.26 mi | -1.74 % | 22.77 mph | 152 watts |
| #7 | 00:00:21 | 00:04:01 | 0.12 mi | 1.38 mi | +1.73 % | 20.56 mph | 194 watts |
| #8 | 00:00:12 | 00:04:13 | 0.06 mi | 1.44 mi | 0.00 % | 17.99 mph | 175 watts |
| #9 | 00:01:50 | 00:06:04 | 0.64 mi | 2.08 mi | +0.02 % | 20.85 mph | 174 watts |
| #10 | 00:01:09 | 00:07:14 | 0.40 mi | 2.48 mi | -0.03 % | 20.85 mph | 173 watts |
| #11 | 00:00:15 | 00:07:29 | 0.07 mi | 2.55 mi | +2.89 % | 16.02 mph | 205 watts |
| #12 | 00:00:27 | 00:07:57 | 0.15 mi | 2.70 mi | -1.46 % | 19.98 mph | 154 watts |
| #13 | 00:00:45 | 00:08:43 | 0.24 mi | 2.94 mi | +1.60 % | 18.80 mph | 193 watts |
| #14 | 00:00:06 | 00:08:49 | 0.03 mi | 2.97 mi | -0.73 % | 18.34 mph | 164 watts |
| #15 | 00:00:29 | 00:09:19 | 0.19 mi | 3.16 mi | -1.85 % | 22.97 mph | 150 watts |
| #16 | 00:00:55 | 00:10:14 | 0.34 mi | 3.50 mi | -0.07 % | 22.11 mph | 172 watts |
| #17 | 00:00:40 | 00:10:55 | 0.23 mi | 3.73 mi | +0.55 % | 20.18 mph | 181 watts |
| #18 | 00:00:57 | 00:11:53 | 0.35 mi | 4.08 mi | -0.78 % | 21.86 mph | 163 watts |
| #19 | 00:00:37 | 00:12:30 | 0.18 mi | 4.26 mi | +1.44 % | 17.60 mph | 191 watts |
| Totals | 00:12:30 | 00:12:30 | 4.28 mi | 4.28 mi | NA | 20.54 mph | 173.88 watts |
| Distance | 4.28 mi | |
|---|---|---|
| Time | 00:12:30 | |
| Lead-In | ||
| Avg. Speed | 20.54 mph | |
| Avg. Power | 173.88 w | |
| Normalized Power | 175.73 w | |
| Variability Index | 1.01 | |
| Intensity Factor | 0.80 | |
| Training Stress Score | 13 | |
| Watts/Kg | 2.63 | |
| Work | 131 kJ | |
| Weighted Grade | 0.06% | |
| Effective Elevation | +77 / -77 ft | |
| Avg. Yaw | 0.00 ° | |
| Avg. CdA | 0.2913 | |
| Avg. Crr | 0.00400 | |
| Route | Twilight Harbor | |
| Bike | Zwift Road Bike | |
| Cheat Sheets | bestbikesplit.com/hints/229600 | |
| 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.