Portillo de la Sia (South side)
Burgos, Castilla y León, Spain
Portillo de la Sia (South side)
Distance: 8.44 km
Elevation Gain: 423 m
Elevation Loss: 94 m
Difficulty:
305 (Easy)
FIETS Index: 2.52 FIETS
Avg Grade: 5.93 %
Max cat climb: 2
Min elevation: 802 m
Max elevation: 1226 m
Ride Category:
Climb
Puerto de La Sía from Espinosa is quite a short climb to the border between the provinces of Cantabria and Burgos. It is a pleasant climb through green scenery which loosely follows the course of the Sía River.
| Rank | Rider | Date | Time | Power | W/kg | Speed |
|---|---|---|---|---|---|---|
| 🥇 | Patrick Smit | Sep 13, 2024 | 00:20:45 | 315 W | 5.16 w/kg | 24.36 km/h |
| 🥈 | Tom Smeets | May 25, 2025 | 00:21:24 | 351 W | 4.81 w/kg | 23.62 km/h |
| 🥉 | borja larrañaga elorza | Sep 09, 2024 | 00:23:58 | 287 W | 4.22 w/kg | 21.09 km/h |
| 4 | D Speelman | Dec 22, 2024 | 00:25:03 | 303 W | 3.88 w/kg | 20.18 km/h |
| 5 | javier divar | Sep 04, 2024 | 00:25:20 | 203 W | 3.90 w/kg | 19.95 km/h |
| 6 | Roman Mospan | Dec 24, 2024 | 00:26:05 | 272 W | 3.63 w/kg | 19.38 km/h |
| 7 | David Dos Santos Rodrigues | Sep 28, 2024 | 00:26:26 | 228 W | 3.68 w/kg | 19.12 km/h |
| 8 | Patrick BERNARD | Sep 12, 2024 | 00:26:30 | 281 W | 3.51 w/kg | 19.07 km/h |
| 9 | Sebastian Meyer zu Selhausen | Sep 04, 2024 | 00:26:51 | 296 W | 3.36 w/kg | 18.83 km/h |
| 10 | Gino Pino | Oct 28, 2024 | 00:28:49 | 217 W | 3.34 w/kg | 17.54 km/h |
| 11 | Andrew Mawby | Feb 06, 2026 | 00:28:49 | 241 W | 3.21 w/kg | 17.54 km/h |
| 12 | Patrick Reinquin | Sep 24, 2024 | 00:29:21 | 239 W | 3.27 w/kg | 17.22 km/h |
| 13 | Fabio Zanirato | Mar 16, 2026 | 00:29:30 | 180 W | 3.21 w/kg | 17.13 km/h |
| 14 | Mark Prior | Sep 04, 2024 | 00:30:01 | 227 W | 3.03 w/kg | 16.84 km/h |
| 15 | Indalecio Lekerika | Sep 06, 2024 | 00:30:19 | 175 W | 3.30 w/kg | 16.67 km/h |
| 16 | JJosef Kluson | Jan 23, 2025 | 00:31:28 | 215 W | 2.87 w/kg | 16.06 km/h |
| 17 | James Mungall | Sep 09, 2024 | 00:32:16 | 213 W | 2.84 w/kg | 15.67 km/h |
| 18 | Eva Klusoňová | Dec 24, 2025 | 00:32:50 | 209 W | 2.79 w/kg | 15.39 km/h |
| 19 | Rene van Leeuwen | Dec 04, 2025 | 00:32:57 | 224 W | 2.70 w/kg | 15.34 km/h |
| 20 | Francis Chalmers | Sep 10, 2024 | 00:32:58 | 164 W | 2.93 w/kg | 15.33 km/h |
| 21 | David Martínez Soto | Sep 10, 2024 | 00:34:24 | 182 W | 2.68 w/kg | 14.69 km/h |
| 22 | Erik Schuitema | Oct 15, 2024 | 00:34:24 | 192 W | 2.56 w/kg | 14.69 km/h |
| 23 | Andrew Fawcett | Oct 06, 2024 | 00:35:23 | 223 W | 2.53 w/kg | 14.29 km/h |
| 24 | Alex Brown | Sep 03, 2024 | 00:35:35 | 182 W | 2.56 w/kg | 14.20 km/h |
| 25 | Rik Lukey | Sep 08, 2024 | 00:35:41 | 178 W | 2.61 w/kg | 14.16 km/h |
| 26 | James Spearman | Jan 25, 2025 | 00:35:59 | 200 W | 2.50 w/kg | 14.05 km/h |
| 27 | Peter Wierenga | Sep 26, 2026 | 00:36:21 | 209 W | 2.35 w/kg | 13.91 km/h |
| 28 | Mark Greedy | Sep 23, 2024 | 00:36:35 | 209 W | 2.32 w/kg | 13.82 km/h |
| 29 | Michael Novich | Sep 09, 2024 | 00:37:08 | 240 W | 2.25 w/kg | 13.61 km/h |
| 30 | Hans Petiet | Sep 06, 2024 | 00:38:28 | 162 W | 2.25 w/kg | 13.14 km/h |
| 31 | shurtha riftcrag | Sep 13, 2024 | 00:38:31 | 147 W | 2.38 w/kg | 13.12 km/h |
| 32 | John Guinn | Sep 13, 2024 | 00:39:33 | 157 W | 2.23 w/kg | 12.78 km/h |
| 33 | J F | Feb 12, 2025 | 00:39:53 | 189 W | 2.15 w/kg | 12.67 km/h |
| 34 | RAUL MENA | Oct 14, 2025 | 00:40:10 | 176 W | 2.20 w/kg | 12.58 km/h |
| 35 | Volker Scheid | Feb 05, 2025 | 00:41:00 | 142 W | 2.09 w/kg | 12.33 km/h |
| 36 | Mike 8008 | Sep 25, 2024 | 00:41:05 | 186 W | 2.11 w/kg | 12.30 km/h |
| 37 | Berne Nyberg | Mar 01, 2026 | 00:42:03 | 171 W | 2.09 w/kg | 12.02 km/h |
| 38 | jack66 | Sep 08, 2024 | 00:42:04 | 154 W | 2.05 w/kg | 12.02 km/h |
| 39 | J Lee Wamble | Jun 11, 2026 | 00:44:01 | 149 W | 1.99 w/kg | 11.48 km/h |
| 40 | Maurizio Gaudino | Sep 05, 2024 | 00:44:34 | 158 W | 1.93 w/kg | 11.34 km/h |
| 41 | Trevor Mitchell | Sep 11, 2024 | 00:46:12 | 133 W | 1.90 w/kg | 10.94 km/h |
| 42 | Yann Matthews | Jan 11, 2025 | 00:46:31 | 140 W | 1.87 w/kg | 10.87 km/h |
| 43 | Jos Carboex | Sep 24, 2024 | 00:46:43 | 143 W | 1.91 w/kg | 10.82 km/h |
| 44 | Roel-Jan Mouw | Sep 12, 2024 | 00:47:16 | 156 W | 1.77 w/kg | 10.69 km/h |
| 45 | Hans Couvreur | Sep 17, 2024 | 00:50:51 | 139 W | 1.70 w/kg | 9.94 km/h |
| 46 | Konrad Arnold | Sep 12, 2024 | 00:51:21 | 121 W | 1.73 w/kg | 9.84 km/h |
| 47 | Edward Redfoot | Dec 30, 2024 | 00:52:35 | 112 W | 1.60 w/kg | 9.61 km/h |
| 48 | Jarrad Kapor | May 27, 2025 | 00:53:06 | 123 W | 1.66 w/kg | 9.52 km/h |
| 49 | Gérald VABRE | Sep 12, 2024 | 00:57:38 | 136 W | 1.45 w/kg | 8.77 km/h |
| 50 | Mark Thompson | Sep 16, 2024 | 00:57:44 | 103 W | 1.50 w/kg | 8.76 km/h |
| 51 | Karin Nauta | Feb 04, 2025 | 01:08:02 | 105 W | 1.24 w/kg | 7.43 km/h |
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|---|---|---|---|---|---|
| Portillo De Lunada (North side) | 14.34 | 770 | 5.00 | 149 | 4.47 |
| Davos Wiesen | 14.38 | 596 | 2.36 | 137 | 4.65 |
| El Cordal (North side) | 8.21 | 476 | 2.85 | 199 | 4.52 |
| Golte Mountain (gravel) | 8.77 | 421 | 1.98 | 91 | 4.62 |
| Faro de La Entallada | 13.22 | 266 | 0.30 | 135 | 4.58 |