We've modeled the Greater London 8 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 Greater London 8 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 | 00:01:14 | 00:01:14 | 0.31 mi | 0.31 mi | +2.02 % | 15.17 mph | 185 watts |
| #2 | 00:00:29 | 00:01:43 | 0.19 mi | 0.50 mi | -3.38 % | 23.46 mph | 121 watts |
| #3 | 00:00:50 | 00:02:34 | 0.35 mi | 0.85 mi | -1.54 % | 25.35 mph | 143 watts |
| #4 | 00:01:22 | 00:03:56 | 0.43 mi | 1.28 mi | +1.06 % | 18.94 mph | 175 watts |
| #5 | 00:01:26 | 00:05:23 | 0.53 mi | 1.81 mi | -1.00 % | 22.10 mph | 148 watts |
| #6 | 00:01:05 | 00:06:29 | 0.25 mi | 2.06 mi | +3.95 % | 13.58 mph | 199 watts |
| #7 | 00:00:20 | 00:06:49 | 0.08 mi | 2.14 mi | +1.20 % | 14.71 mph | 177 watts |
| #8 | 00:00:22 | 00:07:11 | 0.15 mi | 2.29 mi | -3.86 % | 23.27 mph | 118 watts |
| #9 | 00:02:18 | 00:09:30 | 0.84 mi | 3.13 mi | -0.35 % | 21.96 mph | 157 watts |
| #10 | 00:02:23 | 00:11:53 | 0.82 mi | 3.95 mi | -0.06 % | 20.63 mph | 161 watts |
| #11 | 00:01:22 | 00:13:16 | 0.47 mi | 4.42 mi | -0.03 % | 20.40 mph | 160 watts |
| #12 | 00:01:19 | 00:14:35 | 0.43 mi | 4.85 mi | +0.37 % | 19.59 mph | 165 watts |
| #13 | 00:01:09 | 00:15:45 | 0.40 mi | 5.25 mi | -0.22 % | 20.58 mph | 158 watts |
| #14 | 00:00:29 | 00:16:15 | 0.16 mi | 5.41 mi | +0.78 % | 19.48 mph | 172 watts |
| #15 | 00:00:58 | 00:17:13 | 0.27 mi | 5.68 mi | +1.68 % | 16.87 mph | 181 watts |
| #16 | 00:00:40 | 00:17:53 | 0.22 mi | 5.90 mi | -0.12 % | 19.23 mph | 160 watts |
| #17 | 00:00:25 | 00:18:19 | 0.15 mi | 6.05 mi | -0.51 % | 21.00 mph | 155 watts |
| #18 | 00:00:41 | 00:19:01 | 0.28 mi | 6.33 mi | -1.95 % | 24.14 mph | 138 watts |
| #19 | 00:02:05 | 00:21:06 | 0.58 mi | 6.91 mi | +2.06 % | 16.59 mph | 186 watts |
| #20 | 00:00:30 | 00:21:36 | 0.19 mi | 7.10 mi | -2.99 % | 22.41 mph | 127 watts |
| #21 | 00:01:27 | 00:23:04 | 0.49 mi | 7.59 mi | +0.28 % | 20.17 mph | 165 watts |
| #22 | 00:00:23 | 00:23:28 | 0.12 mi | 7.71 mi | +0.91 % | 18.84 mph | 172 watts |
| #23 | 00:00:18 | 00:23:46 | 0.13 mi | 7.84 mi | -4.58 % | 24.50 mph | 111 watts |
| #24 | 00:01:12 | 00:24:59 | 0.46 mi | 8.30 mi | -0.38 % | 22.85 mph | 158 watts |
| #25 | 00:00:34 | 00:25:33 | 0.19 mi | 8.49 mi | +0.46 % | 20.03 mph | 166 watts |
| #26 | 00:00:20 | 00:25:53 | 0.09 mi | 8.58 mi | +2.64 % | 16.63 mph | 192 watts |
| #27 | 00:00:36 | 00:26:30 | 0.21 mi | 8.79 mi | -1.21 % | 20.06 mph | 147 watts |
| #28 | 00:00:41 | 00:27:12 | 0.29 mi | 9.08 mi | -2.43 % | 25.09 mph | 132 watts |
| #29 | 00:00:34 | 00:27:47 | 0.21 mi | 9.29 mi | -0.30 % | 21.64 mph | 157 watts |
| #30 | 00:00:42 | 00:28:30 | 0.20 mi | 9.49 mi | +2.07 % | 17.16 mph | 186 watts |
| #31 | 00:00:41 | 00:29:11 | 0.13 mi | 9.62 mi | +4.89 % | 11.46 mph | 203 watts |
| #32 | 00:02:04 | 00:31:16 | 0.29 mi | 9.91 mi | +6.96 % | 8.39 mph | 210 watts |
| #33 | 00:01:09 | 00:32:26 | 0.19 mi | 10.10 mi | +5.35 % | 9.76 mph | 204 watts |
| #34 | 00:01:37 | 00:34:03 | 0.28 mi | 10.38 mi | +5.09 % | 10.27 mph | 205 watts |
| #35 | 00:03:12 | 00:37:15 | 0.56 mi | 10.94 mi | +4.93 % | 10.49 mph | 204 watts |
| #36 | 00:00:40 | 00:37:56 | 0.14 mi | 11.08 mi | +3.32 % | 12.26 mph | 195 watts |
| #37 | 00:00:38 | 00:38:34 | 0.20 mi | 11.28 mi | -0.81 % | 18.71 mph | 150 watts |
| #38 | 00:00:57 | 00:39:31 | 0.34 mi | 11.62 mi | -0.40 % | 21.32 mph | 156 watts |
| #39 | 00:00:50 | 00:40:22 | 0.13 mi | 11.75 mi | +7.83 % | 9.36 mph | 212 watts |
| #40 | 00:00:29 | 00:40:52 | 0.22 mi | 11.97 mi | -7.30 % | 26.54 mph | 94 watts |
| #41 | 00:00:11 | 00:41:04 | 0.13 mi | 12.10 mi | -8.41 % | 38.56 mph | 88 watts |
| #42 | 00:00:28 | 00:41:32 | 0.27 mi | 12.37 mi | -4.70 % | 33.95 mph | 111 watts |
| #43 | 00:00:25 | 00:41:57 | 0.20 mi | 12.57 mi | -5.66 % | 28.30 mph | 102 watts |
| #44 | 00:00:26 | 00:42:24 | 0.26 mi | 12.83 mi | -9.74 % | 36.11 mph | 72 watts |
| #45 | 00:00:12 | 00:42:36 | 0.12 mi | 12.95 mi | -3.68 % | 33.06 mph | 118 watts |
| #46 | 00:00:24 | 00:43:01 | 0.17 mi | 13.12 mi | -5.03 % | 25.71 mph | 108 watts |
| #47 | 00:00:10 | 00:43:11 | 0.07 mi | 13.19 mi | -4.30 % | 24.22 mph | 115 watts |
| #48 | 00:00:19 | 00:43:31 | 0.13 mi | 13.32 mi | -0.92 % | 24.45 mph | 150 watts |
| #49 | 00:00:48 | 00:44:19 | 0.26 mi | 13.58 mi | -0.05 % | 19.71 mph | 161 watts |
| #50 | 00:02:30 | 00:46:50 | 0.75 mi | 14.33 mi | +0.96 % | 18.00 mph | 173 watts |
| #51 | 00:01:16 | 00:48:07 | 0.41 mi | 14.74 mi | +0.40 % | 19.13 mph | 167 watts |
| Totals | 00:48:07 | 00:48:07 | 14.76 mi | 14.76 mi | NA | 18.41 mph | 168.33 watts |
| Distance | 14.76 mi | |
|---|---|---|
| Time | 00:48:07 | |
| Lead-In | ||
| Avg. Speed | 18.41 mph | |
| Avg. Power | 168.33 w | |
| Normalized Power | 173.13 w | |
| Variability Index | 1.03 | |
| Intensity Factor | 0.79 | |
| Training Stress Score | 50 | |
| Watts/Kg | 2.56 | |
| Work | 486 kJ | |
| Weighted Grade | 0.94% | |
| Effective Elevation | +810 / -812 ft | |
| Avg. Yaw | 0.00 ° | |
| Avg. CdA | 0.3047 | |
| Avg. Crr | 0.00400 | |
| Route | Greater London 8 | |
| Bike | Zwift Road Bike | |
| Cheat Sheets | bestbikesplit.com/hints/158191 | |
| 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.