Boston Marathon logo
BOSTON MARATHON 2023

Elizabeth Rubinstein

Bib: 20207•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:16
Rank: #19340
Start → 5K
27:16 | 8:47/mi
10K· 6.21 mi
53:47
Rank: #18842 (+498)
5K → 10K
26:31 | 8:32/mi
15K· 9.32 mi
1:20:24
Rank: #18620 (+222)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:47:33
Rank: #18538 (+82)
15K → 20K
27:09 | 8:44/mi
Half· 13.11 mi
1:53:32
Rank: #18579 (-41)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:17:14
Rank: #19283 (-704)
Half → 25K
23:42 | 9:46/mi
30K· 18.64 mi
2:45:44
Rank: #19056 (+227)
25K → 30K
28:30 | 9:10/mi
20M
2:58:00
Rank: #18868 (+188)
30K → 20M
12:16 | 9:02/mi
21M
3:07:58
Rank: #18809 (+59)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:14:27
Rank: #18694 (+115)
21M → 35K
6:29 | 8:40/mi
23M
3:26:12
Rank: #18644 (+50)
35K → 23M
11:45 | 9:23/mi
24M
3:35:20
Rank: #18615 (+29)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:43:20
Rank: #18581 (+34)
24M → 40K
8:00 | 9:21/mi
25.2M
3:47:10
Rank: #18651 (-70)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:56:11
Rank: #18594 (+57)
25.2M → Finish
9:01 | 8:51/mi

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
Time1:53:32
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:02:39
Pace9:21 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1327:168:4727:16
8:47
-
10K
6.21 mi11:49:4453:478:3926:31
8:32
-0:15
15K
9.32 mi12:16:211:20:248:3826:37
8:34
+0:02
20K
12.43 mi12:43:301:47:338:3927:09
8:44
+0:10
Half
13.11 mi12:49:291:53:328:405:59
8:46
+0:02
25K
15.53 mi13:13:112:17:148:5023:42
9:46
+1:00
30K
18.64 mi13:41:412:45:448:5328:30
9:10
-0:36
20M
20.00 mi13:53:572:58:008:5412:16
9:02
-0:08
21M
21.00 mi14:03:553:07:588:579:58
9:58
+0:56
35K
21.75 mi14:10:243:14:278:566:29
8:40
-1:18
23M
23.00 mi14:22:093:26:128:5811:45
9:23
+0:43
24M
24.00 mi14:31:173:35:208:589:08
9:08
-0:15
40K
24.85 mi14:39:173:43:208:598:00
9:21
+0:13
25.2M
25.20 mi14:43:073:47:109:013:50
11:07
+1:46
Finish
26.22 mi14:52:083:56:119:019:01
8:51
-2:16

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

8:32 /mi

Average Pace

9:01 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:37

25% of race

Time at Steady Pace

2:07:19

54% of race

Time at Slower Pace

49:15

21% of race

Average Pace: 9:00 /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 mi11:23:1327:168:4727:16
8:47
#19340
10K
6.21 mi11:49:4453:478:3926:31
8:32
#18842
15K
9.32 mi12:16:211:20:248:3826:37
8:34
#18620
20K
12.43 mi12:43:301:47:338:3927:09
8:44
#18538
Half
13.11 mi12:49:291:53:328:405:59
8:46
#18579
25K
15.53 mi13:13:112:17:148:5023:42
9:46
#19283
30K
18.64 mi13:41:412:45:448:5328:30
9:10
#19056
20M
20.00 mi13:53:572:58:008:5412:16
9:02
#18868
21M
21.00 mi14:03:553:07:588:579:58
9:58
#18809
35K
21.75 mi14:10:243:14:278:566:29
8:40
#18694
23M
23.00 mi14:22:093:26:128:5811:45
9:23
#18644
24M
24.00 mi14:31:173:35:208:589:08
9:08
#18615
40K
24.85 mi14:39:173:43:208:598:00
9:21
#18581
25.2M
25.20 mi14:43:073:47:109:013:50
11:07
#18651
Finish
26.22 mi14:52:083:56:119:019:01
8:51
#18594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi193407407740718254(Top 69%)6648(Top 58%)6648(Top 366%)
10K6.21 mi3.10 mi18842+4987039+3687039+36818470(Top 69%)6750(Top 59%)6750(Top 371%)
15K9.32 mi3.11 mi18620+2226896+1436896+14318254(Top 69%)6648(Top 58%)6648(Top 366%)
20K12.43 mi3.11 mi18538+826827+696827+6918361(Top 69%)6715(Top 59%)6715(Top 370%)
Half13.11 mi0.68 mi18579-416853-266853-2619362(Top 73%)7295(Top 64%)7295(Top 401%)
25K15.53 mi2.42 mi19283-7047294-4417294-44121671(Top 81%)8651(Top 76%)8651(Top 476%)
30K18.64 mi3.11 mi19056+2277171+1237171+12318051(Top 68%)6683(Top 59%)6683(Top 368%)
20M20.00 mi1.36 mi18868+1887082+897082+8916721(Top 63%)5994(Top 52%)5994(Top 330%)
21M21.00 mi1.00 mi18809+597061+217061+2117929(Top 67%)6718(Top 59%)6718(Top 370%)
35K21.75 mi0.75 mi18694+1156994+676994+6716297(Top 61%)5882(Top 51%)5882(Top 324%)
23M23.00 mi1.25 mi18644+506980+146980+1417897(Top 67%)6808(Top 60%)6808(Top 375%)
24M24.00 mi1.00 mi18615+296974+66974+617820(Top 67%)6813(Top 60%)6813(Top 375%)
40K24.85 mi0.85 mi18581+346970+46970+417800(Top 67%)6841(Top 60%)6841(Top 376%)
25.2M25.20 mi0.35 mi18651-707020-507020-5020728(Top 78%)8434(Top 74%)8434(Top 464%)
Finish26.22 mi1.02 mi18594+576990+306990+3017290(Top 65%)6531(Top 57%)6531(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18254

Females

6648

F45-49

6648

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18470

Females

6750

F45-49

6750

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18254

Females

6648

F45-49

6648

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18361

Females

6715

F45-49

6715

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19362

Females

7295

F45-49

7295

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21671

Females

8651

F45-49

8651

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18051

Females

6683

F45-49

6683

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16721

Females

5994

F45-49

5994

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17929

Females

6718

F45-49

6718

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16297

Females

5882

F45-49

5882

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17897

Females

6808

F45-49

6808

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17820

Females

6813

F45-49

6813

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17800

Females

6841

F45-49

6841

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20728

Females

8434

F45-49

8434

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17290

Females

6531

F45-49

6531

Passing Analysis

Category:
Athletes Passed
2289
Passed By
1543
Net Change
+746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19340
5K → 10K668170+498#19340#18842
10K → 15K31997+222#18842#18620
15K → 20K196114+82#18620#18538
20K → Half2061-41#18538#18579
Half → 25K23727-704#18579#19283
25K → 30K29871+227#19283#19056
30K → 20M1979+188#19056#18868
20M → 21M11051+59#18868#18809
21M → 35K1216+115#18809#18694
35K → 23M10555+50#18694#18644
23M → 24M7041+29#18644#18615
24M → 40K6632+34#18615#18581
40K → 25.2M1181-70#18581#18651
25.2M → Finish8528+57#18651#18594
TOTALS22891543+746
📊

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