Boston Marathon logo
BOSTON MARATHON 2023

Rebecca Weinstein

Bib: 26738•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:28
Rank: #22944
Start → 5K
9:48/mi
30:28 split
10K· 6.21 mi
1:00:13
Rank: #22875 (+69)
5K → 10K
9:35/mi
29:45 split
15K· 9.32 mi
1:30:29
Rank: #22908 (-33)
10K → 15K
9:45/mi
30:16 split
20K· 12.43 mi
2:01:35
Rank: #22891 (+17)
15K → 20K
10:01/mi
31:06 split
Half· 13.11 mi
2:08:20
Rank: #22902 (-11)
20K → Half
9:54/mi
6:45 split
25K· 15.53 mi
2:33:07
Rank: #22866 (+36)
Half → 25K
10:13/mi
24:47 split
30K· 18.64 mi
3:07:26
Rank: #22921 (-55)
25K → 30K
11:03/mi
34:19 split
20M
3:21:58
Rank: #22854 (+67)
30K → 20M
10:42/mi
14:32 split
21M
3:33:30
Rank: #22808 (+46)
20M → 21M
11:32/mi
11:32 split
35K· 21.75 mi
3:42:23
Rank: #22891 (-83)
21M → 35K
11:52/mi
8:53 split
23M
3:56:14
Rank: #22860 (+31)
35K → 23M
11:04/mi
13:51 split
24M
4:09:05
Rank: #23022 (-162)
23M → 24M
12:51/mi
12:51 split
40K· 24.85 mi
4:19:05
Rank: #23040 (-18)
24M → 40K
11:42/mi
10:00 split
25.2M
4:23:21
Rank: #23050 (-10)
40K → 25.2M
12:22/mi
4:16 split
Finish· 26.22 mi
4:34:43
Rank: #23087 (-37)
25.2M → Finish
11:09/mi
11:22 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:20
Pace9:47 /mi
2nd Half
Distance13.11 mi
Time2:26:23
Pace11:10 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4330:289:4830:28
9:48
-
10K
6.21 mi12:23:281:00:139:4129:45
9:35
-0:13
15K
9.32 mi12:53:441:30:299:4230:16
9:45
+0:10
20K
12.43 mi13:24:502:01:359:4731:06
10:01
+0:16
Half
13.11 mi13:31:352:08:209:476:45
9:54
-0:07
25K
15.53 mi13:56:222:33:079:5124:47
10:13
+0:19
30K
18.64 mi14:30:413:07:2610:0334:19
11:03
+0:50
20M
20.00 mi14:45:133:21:5810:0614:32
10:42
-0:21
21M
21.00 mi14:56:453:33:3010:1011:32
11:32
+0:50
35K
21.75 mi15:05:383:42:2310:148:53
11:52
+0:20
23M
23.00 mi15:19:293:56:1410:1613:51
11:04
-0:48
24M
24.00 mi15:32:204:09:0510:2312:51
12:51
+1:47
40K
24.85 mi15:42:204:19:0510:2510:00
11:42
-1:09
25.2M
25.20 mi15:46:364:23:2110:274:16
12:22
+0:40
Finish
26.22 mi15:57:584:34:4310:2911:22
11:09
-1:13

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:35 /mi

Average Pace

10:29 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:07

56% of race

Time at Steady Pace

1:25:36

31% of race

Time at Slower Pace

36:00

13% of race

Average Pace: 10:29 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:4330:289:4830:28
9:48
#22944
10K
6.21 mi12:23:281:00:139:4129:45
9:35
#22875
15K
9.32 mi12:53:441:30:299:4230:16
9:45
#22908
20K
12.43 mi13:24:502:01:359:4731:06
10:01
#22891
Half
13.11 mi13:31:352:08:209:476:45
9:54
#22902
25K
15.53 mi13:56:222:33:079:5124:47
10:13
#22866
30K
18.64 mi14:30:413:07:2610:0334:19
11:03
#22921
20M
20.00 mi14:45:133:21:5810:0614:32
10:42
#22854
21M
21.00 mi14:56:453:33:3010:1011:32
11:32
#22808
35K
21.75 mi15:05:383:42:2310:148:53
11:52
#22891
23M
23.00 mi15:19:293:56:1410:1613:51
11:04
#22860
24M
24.00 mi15:32:204:09:0510:2312:51
12:51
#23022
40K
24.85 mi15:42:204:19:0510:2510:00
11:42
#23040
25.2M
25.20 mi15:46:364:23:2110:274:16
12:22
#23050
Finish
26.22 mi15:57:584:34:4310:2911:22
11:09
#23087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229449356935622916(Top 86%)9296(Top 81%)9296(Top 190%)
10K6.21 mi3.10 mi22875+699293+639293+6322720(Top 85%)9199(Top 81%)9199(Top 188%)
15K9.32 mi3.11 mi22908-339301-89301-822916(Top 86%)9296(Top 81%)9296(Top 190%)
20K12.43 mi3.11 mi22891+179290+119290+1122947(Top 86%)9332(Top 82%)9332(Top 191%)
Half13.11 mi0.68 mi22902-119295-59295-523087(Top 87%)9400(Top 82%)9400(Top 192%)
25K15.53 mi2.42 mi22866+369290+59290+522672(Top 85%)9207(Top 81%)9207(Top 189%)
30K18.64 mi3.11 mi22921-559339-499339-4923165(Top 87%)9551(Top 84%)9551(Top 196%)
20M20.00 mi1.36 mi22854+679321+189321+1822151(Top 83%)9067(Top 79%)9067(Top 186%)
21M21.00 mi1.00 mi22808+469308+139308+1321939(Top 82%)8963(Top 78%)8963(Top 184%)
35K21.75 mi0.75 mi22891-839356-489356-4824550(Top 92%)10426(Top 91%)10426(Top 213%)
23M23.00 mi1.25 mi22860+319357-19357-122458(Top 84%)9300(Top 81%)9300(Top 190%)
24M24.00 mi1.00 mi23022-1629452-959452-9525369(Top 95%)10863(Top 95%)10863(Top 222%)
40K24.85 mi0.85 mi23040-189468-169468-1623506(Top 88%)9942(Top 87%)9942(Top 204%)
25.2M25.20 mi0.35 mi23050-109469-19469-123110(Top 87%)9726(Top 85%)9726(Top 199%)
Finish26.22 mi1.02 mi23087-379490-219490-2124237(Top 91%)10271(Top 90%)10271(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22916

Females

9296

F18-39

9296

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22720

Females

9199

F18-39

9199

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22916

Females

9296

F18-39

9296

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22947

Females

9332

F18-39

9332

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23087

Females

9400

F18-39

9400

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22672

Females

9207

F18-39

9207

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23165

Females

9551

F18-39

9551

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22151

Females

9067

F18-39

9067

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21939

Females

8963

F18-39

8963

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24550

Females

10426

F18-39

10426

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22458

Females

9300

F18-39

9300

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25369

Females

10863

F18-39

10863

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23506

Females

9942

F18-39

9942

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23110

Females

9726

F18-39

9726

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24237

Females

10271

F18-39

10271

Passing Analysis

Category:
Athletes Passed
1100
Passed By
1243
Net Change
-143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22944
5K → 10K267198+69#22944#22875
10K → 15K139172-33#22875#22908
15K → 20K139122+17#22908#22891
20K → Half2637-11#22891#22902
Half → 25K11074+36#22902#22866
25K → 30K100155-55#22866#22921
30K → 20M9730+67#22921#22854
20M → 21M7327+46#22854#22808
21M → 35K1194-83#22808#22891
35K → 23M6130+31#22891#22860
23M → 24M9171-162#22860#23022
24M → 40K3553-18#23022#23040
40K → 25.2M818-10#23040#23050
25.2M → Finish2562-37#23050#23087
TOTALS11001243-143
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing