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BOSTON MARATHON 2023

Sara Hall

AZ

Bib: 115 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 0.3%
Gender (Female)
#0 / 11423
Top 0.1%
Masters (Masters Women)
#0 / 6539
Top 0.1%
Division (F40-44)
#0 / 1878
Top 0.1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
5:44/mi
17:50
↑ 97↓ 345
10K· 6.21 mi
5:28/mi
34:48
↑ 79↓ 138
15K· 9.32 mi
5:22/mi
51:28
↑ 67↓ 78
20K· 12.43 mi
5:31/mi
1:08:36
↑ 106↓ 86
Half· 13.11 mi
5:24/mi
1:12:17
↑ 19↓ 37
25K· 15.53 mi
5:31/mi
1:25:40
↑ 66↓ 88
30K· 18.64 mi
5:37/mi
1:43:06
↑ 181↓ 148
20M
5:36/mi
1:50:42
↑ 64↓ 50
21M
6:01/mi
1:56:43
↑ 106↓ 24
35K· 21.75 mi
5:23/mi
2:00:45
↑ 17↓ 86
23M
5:38/mi
2:07:48
↑ 23↓ 63
24M
5:27/mi
2:13:15
↓ 82
40K· 24.85 mi
5:37/mi
2:18:03
↓ 20
25.2M
6:02/mi
2:20:08
↑ 13↓ 16
Finish· 26.22 mi
5:34/mi
2:25:48
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:12:175:31 /mi⚡ faster
2nd Half
1:13:315:36 /mi+1.7%
Positive split — 1.7% slower in the second half
AI Race Performance Report

Sara's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
17:505:443.11 mi17:50
5:44
-
10K
34:485:363.10 mi16:58
5:28
-0:16
15K
51:285:313.11 mi16:40
5:22
-0:06
20K
1:08:365:313.11 mi17:08
5:31
+0:09
Half(13.11 mi)
1:12:175:310.68 mi3:41
5:24
-0:07
25K
1:25:405:312.42 mi13:23
5:31
+0:07
30K
1:43:065:323.11 mi17:26
5:37
+0:06
20M
1:50:425:321.36 mi7:36
5:36
-0:01
21M
1:56:435:331.00 mi6:01
6:01
+0:25
35K
2:00:455:330.75 mi4:02
5:23
-0:38
23M
2:07:485:331.25 mi7:03
5:38
+0:15
24M
2:13:155:331.00 mi5:27
5:27
-0:11
40K
2:18:035:330.85 mi4:48
5:37
+0:10
25.2M
2:20:085:340.35 mi2:05
6:02
+0:25
Finish(26.22 mi)
2:25:485:341.02 mi5:40
5:34
-0:28
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sara's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:22 /mi

Average Pace

5:34 /mi

Slowest Pace

6:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:17:42

94% of race

Time at Steady Pace

8:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:34 /mi

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

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3192020721919
10K3.10 mi196+12318+218+21241818
15K3.11 mi141+5519-119-1721919
20K3.11 mi121+2017+217+2981818
Half(13.11 mi)0.68 mi118+317178011
25K2.42 mi115+318-118-1901818
30K3.11 mi106+91818801414
20M1.36 mi103+31818801616
21M1.00 mi99+417+117+11231919
35K0.75 mi98+11717701616
23M1.25 mi93+51717781616
24M1.00 mi88+51717681616
40K0.85 mi86+21717701313
25.2M0.35 mi85+11717951111
Finish(26.22 mi)1.02 mi82+317171271414

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.3%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

72

Females

19

F40-44

19

5K→10K

3.1 - 6.2 mi

Top 0.5%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

124

Females

18

F40-44

18

10K→15K

6.2 - 9.3 mi

Top 0.3%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

72

Females

19

F40-44

19

15K→20K

9.3 - 12.4 mi

Top 0.4%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

98

Females

18

F40-44

18

20K→Half

12.4 - 13.1 mi

Top 0.3%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

80

Females

1

F40-44

1

Half→25K

13.1 - 15.5 mi

Top 0.3%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

90

Females

18

F40-44

18

25K→30K

15.5 - 18.6 mi

Top 0.3%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

80

Females

14

F40-44

14

30K→20M

18.6 - 20.0 mi

Top 0.3%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

80

Females

16

F40-44

16

20M→21M

20.0 - 21.0 mi

Top 0.5%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

123

Females

19

F40-44

19

21M→35K

21.0 - 21.8 mi

Top 0.3%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

70

Females

16

F40-44

16

35K→23M

21.8 - 23.0 mi

Top 0.3%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

78

Females

16

F40-44

16

23M→24M

23.0 - 24.0 mi

Top 0.3%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

68

Females

16

F40-44

16

24M→40K

24.0 - 24.9 mi

Top 0.3%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

70

Females

13

F40-44

13

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

95

Females

11

F40-44

11

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

127

Females

14

F40-44

14

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing