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American Spirit Alliance, 2023 course map and altimetry

American Spirit Alliance: 2023 route, altimetry, gpx

Note: "American Spirit Alliance" is NOT organized by goandrace.com

American Spirit Alliance course map. Lenght: 32.18 km (20 mi).

32.18 km (20 mi) course map of the event "American Spirit Alliance" in San Antonio, Texas (Saturday, November 11, 2023). Explore the route!

Do you want to fly over the path with a Google Earth 3D video? Click on the following link: American Spirit Alliance, fly over the path (3D video).

GPS track - .gpx file download

Download the gps race path by clicking here. You can send the .gpx file to your Garmin watch or other compatible device and follow the path. For instructions on how to upload the GPX file onto your Garmin watch click here.

 .gpx file download

NB: it is possible that the length calculated from the gpx file is greater than that of the race, with an error typically of 1-2%, so for example a half-marathon could be 2-300 meters longer.

Click the following link to visit the American Spirit Alliance event page.

American Spirit Alliance: route altimetric information


American Spirit Alliance: GNR-GAP index (v 1.0, experimental, see more)

American Spirit Alliance: interactive route

You can set the km (or mile) markers and you can select different types of layers (Satellite or Openstreetmap).

American Spirit Alliance: altimetry graph

American Spirit Alliance: slope graph

American Spirit Alliance: percentage distribution of slope

American Spirit Alliance: Km by km route altimetry analysis

Lap Start Alt. End Alt. Diff. Alt. Aver. Slope Min Alt. Max Alt. Tot Climb Tot Descent
KM 0-1 204 200 -4 -0.4% 198 205 3 7
KM 1-2 200 203 +3 +0.3% 200 204 4 1
KM 2-3 203 207 +4 +0.4% 202 207 4 0
KM 3-4 207 207 0 0% 205 208 2 2
KM 4-5 207 212 +5 +0.5% 206 215 10 5
KM 5-6 212 212 0 0% 211 215 2 2
KM 6-7 212 213 +1 +0.1% 212 216 3 2
KM 7-8 213 215 +2 +0.2% 213 217 3 1
KM 8-9 215 222 +7 +0.7% 215 222 7 0
KM 9-10 222 226 +4 +0.4% 218 233 14 10
KM 10-11 226 225 0 0% 221 226 6 7
KM 11-12 225 227 +2 +0.2% 223 229 6 4
KM 12-13 227 233 +6 +0.6% 229 234 6 0
KM 13-14 233 236 +3 +0.3% 231 236 5 2
KM 14-15 236 238 +2 +0.2% 235 240 8 6
KM 15-16 238 241 +3 +0.3% 237 242 4 1
KM 16-17 241 246 +5 +0.5% 240 248 9 4
KM 17-18 246 252 +6 +0.6% 245 252 9 3
KM 18-19 252 251 -1 -0.1% 250 253 4 5
KM 19-20 251 259 +8 +0.8% 251 264 12 4
KM 20-21 259 262 +3 +0.3% 257 263 5 2
KM 21-22 262 266 +4 +0.4% 261 268 5 1
KM 22-23 266 282 +16 +1.6% 266 282 18 2
KM 23-24 282 282 0 0% 279 282 3 3
KM 24-25 282 279 -3 -0.3% 280 288 6 9
KM 25-26 279 296 +17 +1.7% 278 296 17 0
KM 26-27 296 300 +4 +0.4% 293 301 10 6
KM 27-28 300 304 +4 +0.4% 300 307 7 3
KM 28-29 304 302 -2 -0.2% 301 305 2 4
KM 29-30 302 309 +7 +0.7% 302 310 9 2
KM 30-31 309 326 +17 +1.7% 309 328 19 2
KM 31-32 326 340 +14 +1.4% 326 340 14 0
KM 32-32.18 340 341 +1 +0.1% 340 341 4 0

GNR-GAP index - Go&Race Algorithm Estimate

Based on the elevation profile analysis, running on this course is estimated to result in a pace that is 3.5% slower.


For example, a runner who maintains a pace of 5'00"/km (8'03"/mi) on a flat 32.2 km course, corresponding to a finish time of 2h40'54", is estimated to complete this course in 2h46'35". The recalculated average pace (GAP) improves to 5'11"/km (8'20"/mi), making it 0'11"/km (0'17"/mi) slower.


The following graph illustrates the Pace Adjustment (PA) factor applied to the pace along the course. The horizontal red line represents a PA of 1, meaning no pace adjustment. Above the line, the pace is slower; below the line, it is faster. The table below also provides estimates for other pace ranges.



Predict your race or analyze your performance!

This following table shows simulations for paces between 3 and 6'/km.


RACE PREDICTION
To estimate a possible race time, use the "Pace" or "Time without slopes" column, which are valid for a flat course.
For example, if you think you can cover this distance on a flat course at a pace of 4'40"/km (or 7'31"/mi), i.e. in a time of 2h30'11", the estimate is to complete this course in 2h35'29", corresponding to a pace of 4'50"/km (or 7'47"/mi).

PERFORMANCE ANALYSIS
If you have run this race, use the table to estimate the equivalent time on a flat course. Check the "GAP" column and find the value closest to your pace, or compare the "Time with slopes" column with your time: on the same row you will find the pace and the equivalent time on a flat course in the "Pace" and "Time without slopes" columns.
For example, a time of 2h29'56" (pace of 4'40"/km or 7'30"/mi) corresponds to a time of 2h24'49" on a flat course (pace of 4'30"/km or 7'15"/mi).

Pace (min/km) Pace (min/mile) Time without slopes (hh:mm:ss) Time with slopes (hh:mm:ss) GAP (min/km) Δ Pace (min/km) GAP (min/mile) Δ Pace (min/mile)
3'00"4'50"1h36'32"1h39'57"3'06"0'06"4'60"0'10"
3'10"5'06"1h41'54"1h45'30"3'17"0'07"5'17"0'11"
3'20"5'22"1h47'16"1h51'03"3'27"0'07"5'33"0'11"
3'30"5'38"1h52'38"1h56'37"3'37"0'07"5'50"0'12"
3'40"5'54"1h58'00"2h02'10"3'48"0'08"6'07"0'13"
3'50"6'10"2h03'22"2h07'43"3'58"0'08"6'23"0'13"
4'00"6'26"2h08'43"2h13'16"4'08"0'08"6'40"0'14"
4'10"6'42"2h14'05"2h18'49"4'19"0'09"6'57"0'14"
4'20"6'58"2h19'27"2h24'23"4'29"0'09"7'13"0'15"
4'30"7'15"2h24'49"2h29'56"4'40"0'10"7'30"0'15"
4'40"7'31"2h30'11"2h35'29"4'50"0'10"7'47"0'16"
4'50"7'47"2h35'33"2h41'02"5'00"0'10"8'03"0'16"
5'00"8'03"2h40'54"2h46'35"5'11"0'11"8'20"0'17"
5'10"8'19"2h46'16"2h52'08"5'21"0'11"8'37"0'18"
5'20"8'35"2h51'38"2h57'42"5'31"0'11"8'53"0'18"
5'30"8'51"2h57'00"3h03'15"5'42"0'12"9'10"0'19"
5'40"9'07"3h02'22"3h08'48"5'52"0'12"9'26"0'19"
5'50"9'23"3h07'44"3h14'21"6'02"0'12"9'43"0'20"
6'00"9'39"3h13'05"3h19'54"6'13"0'13"9'60"0'20"
6'10"9'55"3h18'27"3h25'28"6'23"0'13"10'16"0'21"
6'20"10'12"3h23'49"3h31'01"6'33"0'13"10'33"0'22"
6'30"10'28"3h29'11"3h36'34"6'44"0'14"10'50"0'22"
6'40"10'44"3h34'33"3h42'07"6'54"0'14"11'06"0'23"
6'50"10'60"3h39'55"3h47'40"7'04"0'14"11'23"0'23"
7'00"11'16"3h45'16"3h53'14"7'15"0'15"11'40"0'24"
7'10"11'32"3h50'38"3h58'47"7'25"0'15"11'56"0'24"
7'20"11'48"3h56'00"4h04'20"7'36"0'16"12'13"0'25"
7'30"12'04"4h01'22"4h09'53"7'46"0'16"12'30"0'26"
7'40"12'20"4h06'44"4h15'26"7'56"0'16"12'46"0'26"
7'50"12'36"4h12'05"4h21'00"8'07"0'17"13'03"0'27"
8'00"12'52"4h17'27"4h26'33"8'17"0'17"13'20"0'27"

Notes on the calculation of the length of the route, on the altimetry and on the slope

Note 1: the length of the route is calculated using the geographic coordinates of the points that compose it, thanks to a specific formula. This value may differ slightly from the official length declared by the organizers of the race, which is valid in case of discrepancies.
Note 2: the altimetry may not correspond exactly to the real values. For routes obtained via Google API, it is possible that the altitude is that of the terrain, without considering the presence of any tunnels or viaducts. If, however, the route was obtained from GPS tracking (for example with sports watches), the error is arbitrary and may depend both on the GPS coverage at the time it was recorded and on the performance of the device used.
Note 3: the percentage slope is found by calculating considering sections of at least 50 meters and is subsequently subjected to a "smoothing" process to reduce the possibility of artifacts and obtain a more realistic trend. For classification purposes, roads with gradients between -3% and +3% are considered flat, those with gradients between +3% and +7% are uphill, and those with gradients greater than +7% are considered steep. The same classification applies to descents. This classification is to be considered arbitrary and is a choice of goandrace.com.