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Boulderthon 2024, course map and altimetry

Boulderthon 2024: route, altimetry, gpx

Note: "Boulderthon 2024" is NOT organized by goandrace.com

Boulderthon 2024 course map. Lenght: 42.195 km (26.2 mi).

On this page is shown the 42.195 km (26.2 mi) course map of the event "Boulderthon 2024" in Boulder, Colorado (Sunday, September 29, 2024). Explore the route!

Do you want to fly over the path with a Google Earth 3D video? Click on the following link: Boulderthon 2024, fly over the path (3D video).

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.
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 Boulderthon 2024 event page.

Path statistics

Boulderthon 2024: interactive route

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

Boulderthon 2024: altimetry graph

Boulderthon 2024: slope graph

Boulderthon 2024: percentage distribution of slope

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 1617 1610 -7 -0.7% 1611 1617 0 7
KM 1-2 1610 1599 -11 -1.1% 1600 1610 0 11
KM 2-3 1599 1590 -9 -0.9% 1590 1599 0 9
KM 3-4 1590 1583 -7 -0.7% 1584 1590 0 7
KM 4-5 1583 1580 -3 -0.3% 1580 1583 0 3
KM 5-6 1580 1577 -4 -0.4% 1577 1580 0 4
KM 6-7 1577 1578 +1 +0.1% 1575 1577 2 1
KM 7-8 1578 1577 0 0% 1578 1584 6 7
KM 8-9 1577 1574 -3 -0.3% 1575 1577 0 3
KM 9-10 1574 1568 -7 -0.7% 1566 1573 2 9
KM 10-11 1568 1587 +19 +1.9% 1568 1585 19 0
KM 11-12 1587 1595 +8 +0.8% 1588 1593 8 0
KM 12-13 1595 1619 +24 +2.4% 1595 1618 24 0
KM 13-14 1619 1627 +8 +0.8% 1622 1629 9 2
KM 14-15 1627 1618 -9 -0.9% 1618 1627 0 9
KM 15-16 1618 1612 -6 -0.6% 1614 1614 0 6
KM 16-17 1612 1591 -21 -2.1% 1591 1610 0 21
KM 17-18 1591 1595 +4 +0.4% 1591 1595 4 0
KM 18-19 1595 1580 -15 -1.5% 1582 1595 0 15
KM 19-20 1580 1569 -11 -1.1% 1566 1579 2 14
KM 20-21 1569 1570 +1 +0.1% 1570 1577 8 7
KM 21-22 1570 1546 -24 -2.4% 1546 1570 0 24
KM 22-23 1546 1553 +7 +0.7% 1546 1553 8 0
KM 23-24 1553 1566 +13 +1.3% 1553 1565 13 0
KM 24-25 1566 1603 +37 +3.7% 1567 1600 37 0
KM 25-26 1603 1610 +7 +0.7% 1604 1610 7 0
KM 26-27 1610 1598 -13 -1.3% 1598 1611 0 13
KM 27-28 1598 1587 -11 -1.1% 1589 1597 0 11
KM 28-29 1587 1569 -18 -1.8% 1569 1586 0 18
KM 29-30 1569 1574 +5 +0.5% 1566 1574 8 3
KM 30-31 1574 1578 +4 +0.4% 1575 1577 4 0
KM 31-32 1578 1590 +12 +1.2% 1579 1589 12 0
KM 32-33 1590 1596 +6 +0.6% 1590 1595 6 0
KM 33-34 1596 1609 +13 +1.3% 1596 1609 13 0
KM 34-35 1609 1609 +1 +0.1% 1609 1609 1 0
KM 35-36 1609 1613 +3 +0.3% 1609 1613 3 0
KM 36-37 1613 1599 -14 -1.4% 1599 1613 0 14
KM 37-38 1599 1595 -4 -0.4% 1591 1599 3 7
KM 38-39 1595 1603 +8 +0.8% 1595 1603 8 0
KM 39-40 1603 1614 +11 +1.1% 1603 1614 11 0
KM 40-41 1614 1625 +11 +1.1% 1614 1624 15 4
KM 41-42 1625 1634 +10 +1.0% 1626 1635 10 0
KM 42-42.20 1634 1633 -1 -0.1% 1633 1635 0 3

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.