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BOSTON MARATHON 2023

Sarah Freeman

MA

Bib: 31935 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:00/mi
24:50
↑ 97↓ 345
10K· 6.21 mi
7:48/mi
49:05
↑ 79↓ 138
15K· 9.32 mi
7:56/mi
1:13:45
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:39:44
↑ 106↓ 86
Half· 13.11 mi
8:18/mi
1:45:24
↑ 19↓ 37
25K· 15.53 mi
8:55/mi
2:07:01
↑ 66↓ 88
30K· 18.64 mi
8:59/mi
2:34:57
↑ 181↓ 148
20M
8:55/mi
2:47:04
↑ 64↓ 50
21M
9:39/mi
2:56:43
↑ 106↓ 24
35K· 21.75 mi
8:29/mi
3:03:04
↑ 17↓ 86
23M
8:55/mi
3:14:14
↑ 23↓ 63
24M
8:37/mi
3:22:51
↓ 82
40K· 24.85 mi
8:46/mi
3:30:21
↓ 20
25.2M
9:31/mi
3:33:38
↑ 13↓ 16
Finish· 26.22 mi
8:07/mi
3:41:54
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:45:248:02 /mi⚡ faster
2nd Half
1:56:308:53 /mi+10.5%
Positive split — 10.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:508:003.11 mi24:50
8:00
-
10K
49:057:543.10 mi24:15
7:48
-0:12
15K
1:13:457:553.11 mi24:40
7:56
+0:08
20K
1:39:448:023.11 mi25:59
8:22
+0:26
Half(13.11 mi)
1:45:248:020.68 mi5:40
8:18
-0:04
25K
2:07:018:112.42 mi21:37
8:55
+0:37
30K
2:34:578:193.11 mi27:56
8:59
+0:04
20M
2:47:048:211.36 mi12:07
8:55
-0:04
21M
2:56:438:251.00 mi9:39
9:39
+0:44
35K
3:03:048:250.75 mi6:21
8:29
-1:10
23M
3:14:148:271.25 mi11:10
8:55
+0:26
24M
3:22:518:271.00 mi8:37
8:37
-0:18
40K
3:30:218:280.85 mi7:30
8:46
+0:09
25.2M
3:33:388:290.35 mi3:17
9:31
+0:45
Finish(26.22 mi)
3:41:548:281.02 mi8:16
8:07
-1:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:48 /mi

Average Pace

8:28 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:27:41

40% of race

Time at Steady Pace

48:27

22% of race

Time at Slower Pace

1:25:46

39% of race

Average Pace: 8:28 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi13985402340231392940464046
10K3.10 mi13595+3903805+2183805+2181319835533553
15K3.11 mi13687-923876-713876-711392940464046
20K3.11 mi14289-6024249-3734249-3731602453625362
Half(13.11 mi)0.68 mi14424-1354329-804329-801652756105610
25K2.42 mi15186-7624830-5014830-5011853968716871
30K3.11 mi15565-3795106-2765106-2761712161356135
20M1.36 mi15581-165142-365142-361609956225622
21M1.00 mi15632-515200-585200-581665959915991
35K0.75 mi15609+235203-35203-31526852725272
23M1.25 mi15590+195219-165219-161564055385538
24M1.00 mi15557+33521952191518353345334
40K0.85 mi15534+235209+105209+101495952745274
25.2M0.35 mi15542-85216-75216-71532554865486
Finish(26.22 mi)1.02 mi15422+1205163+535163+531289841694169

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13929

Females

4046

F18-39

4046

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13198

Females

3553

F18-39

3553

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13929

Females

4046

F18-39

4046

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16024

Females

5362

F18-39

5362

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16527

Females

5610

F18-39

5610

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18539

Females

6871

F18-39

6871

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

17121

Females

6135

F18-39

6135

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16099

Females

5622

F18-39

5622

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16659

Females

5991

F18-39

5991

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15268

Females

5272

F18-39

5272

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15640

Females

5538

F18-39

5538

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15183

Females

5334

F18-39

5334

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14959

Females

5274

F18-39

5274

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15325

Females

5486

F18-39

5486

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12898

Females

4169

F18-39

4169

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#13985
5K → 10K
148538+390
#13985 → #13595
10K → 15K
239147-92
#13595 → #13687
15K → 20K
66159-602
#13687 → #14289
20K → Half
1405-135
#14289 → #14424
Half → 25K
79230-762
#14424 → #15186
25K → 30K
46081-379
#15186 → #15565
30K → 20M
10185-16
#15565 → #15581
20M → 21M
11362-51
#15581 → #15632
21M → 35K
3457+23
#15632 → #15609
35K → 23M
7594+19
#15609 → #15590
23M → 24M
4881+33
#15590 → #15557
24M → 40K
4265+23
#15557 → #15534
40K → 25.2M
3426-8
#15534 → #15542
25.2M → Finish
23143+120
#15542 → #15422
TOTALS
29101473-1437
#13985 → #15422

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing