Boston Marathon logo
BOSTON MARATHON 2023

Kimberly Becker

Bib: 16239•F

SC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 36%
Division (F45-49)
#0 / 1817
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:28
Rank: #15472
Start → 5K
25:28 | 8:12/mi
10K· 6.21 mi
51:17
Rank: #16199 (-727)
5K → 10K
25:49 | 8:19/mi
15K· 9.32 mi
1:16:52
Rank: #16168 (+31)
10K → 15K
25:35 | 8:14/mi
20K· 12.43 mi
1:42:47
Rank: #16062 (+106)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:48:24
Rank: #16053 (+9)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:08:42
Rank: #15937 (+116)
Half → 25K
20:18 | 8:22/mi
30K· 18.64 mi
2:35:52
Rank: #15884 (+53)
25K → 30K
27:10 | 8:45/mi
20M
2:47:50
Rank: #15844 (+40)
30K → 20M
11:58 | 8:48/mi
21M
2:57:13
Rank: #15791 (+53)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
3:03:32
Rank: #15742 (+49)
21M → 35K
6:19 | 8:27/mi
23M
3:14:39
Rank: #15698 (+44)
35K → 23M
11:07 | 8:53/mi
24M
3:23:26
Rank: #15716 (-18)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:31:06
Rank: #15729 (-13)
24M → 40K
7:40 | 8:58/mi
25.2M
3:34:32
Rank: #15766 (-37)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:43:44
Rank: #15866 (-100)
25.2M → Finish
9:12 | 9:02/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
Time1:48:24
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:55:20
Pace8:48 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3025:288:1225:28
8:12
-
10K
6.21 mi11:51:1951:178:1525:49
8:19
+0:07
15K
9.32 mi12:16:541:16:528:1525:35
8:14
-0:05
20K
12.43 mi12:42:491:42:478:1625:55
8:21
+0:07
Half
13.11 mi12:48:261:48:248:165:37
8:14
-0:07
25K
15.53 mi13:08:442:08:428:1720:18
8:22
+0:08
30K
18.64 mi13:35:542:35:528:2227:10
8:45
+0:23
20M
20.00 mi13:47:522:47:508:2311:58
8:48
+0:03
21M
21.00 mi13:57:152:57:138:269:23
9:23
+0:35
35K
21.75 mi14:03:343:03:328:266:19
8:27
-0:56
23M
23.00 mi14:14:413:14:398:2811:07
8:53
+0:26
24M
24.00 mi14:23:283:23:268:298:47
8:47
-0:06
40K
24.85 mi14:31:083:31:068:307:40
8:58
+0:11
25.2M
25.20 mi14:34:343:34:328:313:26
9:57
+0:59
Finish
26.22 mi14:43:463:43:448:329:12
9:02
-0:55

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

8:12 /mi

Average Pace

8:32 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:01

60% of race

Time at Steady Pace

1:06:42

30% of race

Time at Slower Pace

22:01

10% of race

Average Pace: 8:32 /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 mi11:25:3025:288:1225:28
8:12
#15472
10K
6.21 mi11:51:1951:178:1525:49
8:19
#16199
15K
9.32 mi12:16:541:16:528:1525:35
8:14
#16168
20K
12.43 mi12:42:491:42:478:1625:55
8:21
#16062
Half
13.11 mi12:48:261:48:248:165:37
8:14
#16053
25K
15.53 mi13:08:442:08:428:1720:18
8:22
#15937
30K
18.64 mi13:35:542:35:528:2227:10
8:45
#15884
20M
20.00 mi13:47:522:47:508:2311:58
8:48
#15844
21M
21.00 mi13:57:152:57:138:269:23
9:23
#15791
35K
21.75 mi14:03:343:03:328:266:19
8:27
#15742
23M
23.00 mi14:14:413:14:398:2811:07
8:53
#15698
24M
24.00 mi14:23:283:23:268:298:47
8:47
#15716
40K
24.85 mi14:31:083:31:068:307:40
8:58
#15729
25.2M
25.20 mi14:34:343:34:328:313:26
9:57
#15766
Finish
26.22 mi14:43:463:43:448:329:12
9:02
#15866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi154724947494716113(Top 61%)5359(Top 47%)5359(Top 295%)
10K6.21 mi3.10 mi16199-7275396-4495396-44917004(Top 64%)5874(Top 51%)5874(Top 323%)
15K9.32 mi3.11 mi16168+315390+65390+616113(Top 61%)5359(Top 47%)5359(Top 295%)
20K12.43 mi3.11 mi16062+1065346+445346+4415904(Top 60%)5293(Top 46%)5293(Top 291%)
Half13.11 mi0.68 mi16053+95341+55341+516078(Top 60%)5346(Top 47%)5346(Top 294%)
25K15.53 mi2.42 mi15937+1165296+455296+4515423(Top 58%)5095(Top 45%)5095(Top 280%)
30K18.64 mi3.11 mi15884+535304-85304-815754(Top 59%)5356(Top 47%)5356(Top 295%)
20M20.00 mi1.36 mi15844+405307-35307-315476(Top 58%)5262(Top 46%)5262(Top 290%)
21M21.00 mi1.00 mi15791+535295+125295+1215422(Top 58%)5299(Top 46%)5299(Top 292%)
35K21.75 mi0.75 mi15742+495280+155280+1515013(Top 56%)5118(Top 45%)5118(Top 282%)
23M23.00 mi1.25 mi15698+445281-15281-115444(Top 58%)5420(Top 47%)5420(Top 298%)
24M24.00 mi1.00 mi15716-185312-315312-3116119(Top 61%)5869(Top 51%)5869(Top 323%)
40K24.85 mi0.85 mi15729-135320-85320-815982(Top 60%)5840(Top 51%)5840(Top 321%)
25.2M25.20 mi0.35 mi15766-375346-265346-2617210(Top 65%)6536(Top 57%)6536(Top 360%)
Finish26.22 mi1.02 mi15866-1005410-645410-6418119(Top 68%)6957(Top 61%)6957(Top 383%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16113

Females

5359

F45-49

5359

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17004

Females

5874

F45-49

5874

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16113

Females

5359

F45-49

5359

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15904

Females

5293

F45-49

5293

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16078

Females

5346

F45-49

5346

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15423

Females

5095

F45-49

5095

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15754

Females

5356

F45-49

5356

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15476

Females

5262

F45-49

5262

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15422

Females

5299

F45-49

5299

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15013

Females

5118

F45-49

5118

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15444

Females

5420

F45-49

5420

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16119

Females

5869

F45-49

5869

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15982

Females

5840

F45-49

5840

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17210

Females

6536

F45-49

6536

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18119

Females

6957

F45-49

6957

Passing Analysis

Category:
Athletes Passed
1503
Passed By
1897
Net Change
-394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15472
5K → 10K86813-727#15472#16199
10K → 15K208177+31#16199#16168
15K → 20K220114+106#16168#16062
20K → Half3526+9#16062#16053
Half → 25K18973+116#16053#15937
25K → 30K201148+53#15937#15884
30K → 20M11373+40#15884#15844
20M → 21M11562+53#15844#15791
21M → 35K7223+49#15791#15742
35K → 23M9753+44#15742#15698
23M → 24M6381-18#15698#15716
24M → 40K5871-13#15716#15729
40K → 25.2M1855-37#15729#15766
25.2M → Finish28128-100#15766#15866
TOTALS15031897-394
📊

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