The Badgers tie snapped a two-game losing streak and allowed UW to salvage a point from their series in Denver (16-4-2 WCHA, 21-6-2 overall).
With 34 points in the Western Collegiate Hockey Association standings, however, the Pioneers, who are unbeaten in their last nine games, remain in second place.
Wisconsin (15-6-1) is in third place with 31 and has slipped five points behind conference-leading Colorado College, which rebounded from a tough loss Friday night to blank St. Cloud State 3-0 Saturday night. The No. 2 Tigers now have 36 points in the WCHA standings, having improved to 17-5-2 in conference play and 24-5-3 overall.
Saturday in Denver, the Badgers trailed 3-1 before Robbie Earl set up Joe Pavelski at 12:35 in the third period to draw UW within a goal. Just one minute, three seconds later Earl provided the equalizer, beating Pioneer netminder Peter Mannino at 14:08 in the third.
Mannino finished with 28 saves for Denver, while UW goalie Bernd Bruckler tallied 30. Wisconsin was 0 of 6 on the power play after going 0 of 5 with the man advantage against the Pioneers the night before.
The Badgers took a 1-0 lead at 16:49 in the first period on A.J. Degenhardt's goal. But Denver went on to score three unanswered goals, beginning with Luke Fulghum's tally on a 5-on-3 power play at 7:45 in the second period. Jon Foster followed with a mark at 10:51 in the second and a power-play goal at 8:06 of the third.
Life does not get any easier for Wisconsin next week. The Badgers host Colorado College Feb. 18-19 at the Kohl Center.