Shelby Gustafson

Pleasanton, CA

Bib: 1083 F 22

0:00
0:00
/ mi
Photos
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Overall
#0 / 266
Gender (Female)
#0 / 117
Division (F20-29)
#0 / 32
Race Day Weather
44°/34°F
clear sky

Race Performance Report

Shelby Gustafson · Clo Cow Half Marathon 2026
Personalized by MyRace AIReport Unlocked
Finish Time
2:39:14
Avg Pace
12:09 /mi
Overall Rank
225 / 266
Age Grade
39.48%
Recreational

Shelby's 39.5% age-graded score places her in the Recreational category — out there enjoying the distance and completing the event.

Race Story

Analyzing your race…

Key Insights

Analyzing your race…

Pacing Breakdown

Pacing Efficiency

98
Pacing

Pace held evenly across the race — strong pacing execution.

Race Benchmarking

How the athlete stacked up against the field in this race.

Overall
Faster than 15%
225 of 266
of the field
Female
Faster than 22%
91 of 117
of this group
F20-24
Faster than 18%
9 of 11
of this group
Similar finishers
16
in 2:35:18-2:41:58

Analysis coverage: Moderate — based on 4 timed segments, official finish results, field rankings. Timing data identifies patterns, but may not capture factors such as race goals, stops, fueling, or course conditions.

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 5
Start
0:00
Race begins
5K· 3.11 mi
11:59/mi
37:13
↑ 338↓ 174
Mile 6.55
13:13/mi
1:22:42
↑ 489↓ 356
Mile 10
12:08/mi
2:04:32
↑ 351↓ 488
FINISH· 13.11 mi
11:09/mi
2:39:14
↑ 176↓ 335
Course Elevation
1,357ft
Total climb
442ft
Range
21 to 463 ft
1,358ft
Total descent
About the height of a redwood tree

The Course

Half Splits

1st Half· via Mile 6.55
1:22:4212:38 /mi+7.4%
2nd Half
1:16:3211:40 /mi✓ faster
Negative split — 7.4% faster in the second half

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
37:1311:593.11 mi37:13
11:59
-
Mile 6.55
1:22:4212:383.44 mi45:29
13:13
+1:14
Mile 10
2:04:3212:273.45 mi41:51
12:08
-1:05
FINISH(13.11 mi)
2:39:1412:093.11 mi34:41
11:09
-0:59
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:09 /mi

Average Pace

12:09 /mi

Slowest Pace

13:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:53:45

71% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

45:29

29% of race

Average Pace: 12:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
5K3.11 mi237988237988
Mile 6.553.44 mi241-4101-39-124110110
Mile 103.45 mi233+893+89219849
FINISH(13.11 mi)3.11 mi225+890+39199789

Segment Performance Analysis

Start → 5K

0.0 - 3.1 mi

Top 89%
22 ft186 ft
↑ 338ft↓ 174ft
169 ft

Overall

237

Females

98

F20-29

8

5K→Mile 6.55

3.1 - 6.5 mi

Top 91%
186 ft319 ft
↑ 489ft↓ 356ft
295 ft

Overall

241

Females

101

F20-29

10

Mile 6.55→Mile 10

6.5 - 10.0 mi

Top 82%
321 ft185 ft
↑ 351ft↓ 488ft
309 ft

Overall

219

Females

84

F20-29

9

Mile 10→FINISH

10.0 - 13.1 mi

Top 75%
186 ft27 ft
↑ 176ft↓ 335ft
174 ft

Overall

199

Females

78

F20-29

9

Your segment insights are in your Race Performance Report.

Passing Analysis

No position changes recorded for this athlete.

Finisher Certificate
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Official Timing Data

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