Boston Marathon logo
BOSTON MARATHON 2023

Shari Haizman-Andrews

Bib: 22808•F

OH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:47
Rank: #18365
Start → 5K
26:47 | 8:37/mi
10K· 6.21 mi
53:35
Rank: #18656 (-291)
5K → 10K
26:48 | 8:38/mi
15K· 9.32 mi
1:20:32
Rank: #18701 (-45)
10K → 15K
26:57 | 8:40/mi
20K· 12.43 mi
1:48:01
Rank: #18750 (-49)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:53:58
Rank: #18761 (-11)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:16:45
Rank: #19103 (-342)
Half → 25K
22:47 | 9:24/mi
30K· 18.64 mi
2:45:52
Rank: #19097 (+6)
25K → 30K
29:07 | 9:22/mi
20M
2:59:11
Rank: #19171 (-74)
30K → 20M
13:19 | 9:48/mi
21M
3:10:57
Rank: #19484 (-313)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:18:23
Rank: #19573 (-89)
21M → 35K
7:26 | 9:56/mi
23M
3:32:55
Rank: #19974 (-401)
35K → 23M
14:32 | 11:36/mi
24M
3:43:14
Rank: #20078 (-104)
23M → 24M
10:19 | 10:19/mi
40K· 24.85 mi
3:53:17
Rank: #20255 (-177)
24M → 40K
10:03 | 11:45/mi
25.2M
3:57:08
Rank: #20262 (-7)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:07:04
Rank: #20275 (-13)
25.2M → Finish
9:56 | 9:45/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
Time1:53:58
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:13:06
Pace10:09 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0226:478:3726:47
8:37
-
10K
6.21 mi11:50:5053:358:3726:48
8:38
+0:01
15K
9.32 mi12:17:471:20:328:3826:57
8:40
+0:02
20K
12.43 mi12:45:161:48:018:4227:29
8:51
+0:11
Half
13.11 mi12:51:131:53:588:425:57
8:43
-0:08
25K
15.53 mi13:14:002:16:458:4822:47
9:24
+0:41
30K
18.64 mi13:43:072:45:528:5429:07
9:22
-0:02
20M
20.00 mi13:56:262:59:118:5813:19
9:48
+0:26
21M
21.00 mi14:08:123:10:579:0611:46
11:46
+1:58
35K
21.75 mi14:15:383:18:239:077:26
9:56
-1:50
23M
23.00 mi14:30:103:32:559:1514:32
11:36
+1:40
24M
24.00 mi14:40:293:43:149:1810:19
10:19
-1:17
40K
24.85 mi14:50:323:53:179:2310:03
11:45
+1:26
25.2M
25.20 mi14:54:233:57:089:253:51
11:10
-0:35
Finish
26.22 mi15:04:194:07:049:269:56
9:45
-1:25

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

8:37 /mi

Average Pace

9:26 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:58

46% of race

Time at Steady Pace

1:32:54

38% of race

Time at Slower Pace

40:12

16% of race

Average Pace: 9:25 /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 mi11:24:0226:478:3726:47
8:37
#18365
10K
6.21 mi11:50:5053:358:3726:48
8:38
#18656
15K
9.32 mi12:17:471:20:328:3826:57
8:40
#18701
20K
12.43 mi12:45:161:48:018:4227:29
8:51
#18750
Half
13.11 mi12:51:131:53:588:425:57
8:43
#18761
25K
15.53 mi13:14:002:16:458:4822:47
9:24
#19103
30K
18.64 mi13:43:072:45:528:5429:07
9:22
#19097
20M
20.00 mi13:56:262:59:118:5813:19
9:48
#19171
21M
21.00 mi14:08:123:10:579:0611:46
11:46
#19484
35K
21.75 mi14:15:383:18:239:077:26
9:56
#19573
23M
23.00 mi14:30:103:32:559:1514:32
11:36
#19974
24M
24.00 mi14:40:293:43:149:1810:19
10:19
#20078
40K
24.85 mi14:50:323:53:179:2310:03
11:45
#20255
25.2M
25.20 mi14:54:233:57:089:253:51
11:10
#20262
Finish
26.22 mi15:04:194:07:049:269:56
9:45
#20275
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi183656792679218869(Top 71%)7026(Top 62%)7026(Top 1333%)
10K6.21 mi3.10 mi18656-2916917-1256917-12518996(Top 71%)7081(Top 62%)7081(Top 1344%)
15K9.32 mi3.11 mi18701-456942-256942-2518869(Top 71%)7026(Top 62%)7026(Top 1333%)
20K12.43 mi3.11 mi18750-496967-256967-2518936(Top 71%)7053(Top 62%)7053(Top 1338%)
Half13.11 mi0.68 mi18761-116977-106977-1019134(Top 72%)7176(Top 63%)7176(Top 1362%)
25K15.53 mi2.42 mi19103-3427178-2017178-20120516(Top 77%)7997(Top 70%)7997(Top 1517%)
30K18.64 mi3.11 mi19097+67193-157193-1518917(Top 71%)7156(Top 63%)7156(Top 1358%)
20M20.00 mi1.36 mi19171-747254-617254-6119864(Top 75%)7783(Top 68%)7783(Top 1477%)
21M21.00 mi1.00 mi19484-3137451-1977451-19722356(Top 84%)9193(Top 80%)9193(Top 1744%)
35K21.75 mi0.75 mi19573-897505-547505-5421118(Top 79%)8547(Top 75%)8547(Top 1622%)
23M23.00 mi1.25 mi19974-4017752-2477752-24723428(Top 88%)9816(Top 86%)9816(Top 1863%)
24M24.00 mi1.00 mi20078-1047821-697821-6921605(Top 81%)8893(Top 78%)8893(Top 1687%)
40K24.85 mi0.85 mi20255-1777934-1137934-11323581(Top 89%)9985(Top 87%)9985(Top 1895%)
25.2M25.20 mi0.35 mi20262-77944-107944-1020845(Top 78%)8497(Top 74%)8497(Top 1612%)
Finish26.22 mi1.02 mi20275-137958-147958-1420977(Top 79%)8546(Top 75%)8546(Top 1622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18869

Females

7026

F60-64

7026

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18996

Females

7081

F60-64

7081

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18869

Females

7026

F60-64

7026

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18936

Females

7053

F60-64

7053

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19134

Females

7176

F60-64

7176

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20516

Females

7997

F60-64

7997

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18917

Females

7156

F60-64

7156

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19864

Females

7783

F60-64

7783

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22356

Females

9193

F60-64

9193

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21118

Females

8547

F60-64

8547

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23428

Females

9816

F60-64

9816

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21605

Females

8893

F60-64

8893

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23581

Females

9985

F60-64

9985

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20845

Females

8497

F60-64

8497

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20977

Females

8546

F60-64

8546

Passing Analysis

Category:
Athletes Passed
964
Passed By
2874
Net Change
-1910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18365
5K → 10K200491-291#18365#18656
10K → 15K161206-45#18656#18701
15K → 20K147196-49#18701#18750
20K → Half2334-11#18750#18761
Half → 25K51393-342#18761#19103
25K → 30K179173+6#19103#19097
30K → 20M63137-74#19097#19171
20M → 21M23336-313#19171#19484
21M → 35K20109-89#19484#19573
35K → 23M13414-401#19573#19974
23M → 24M24128-104#19974#20078
24M → 40K9186-177#20078#20255
40K → 25.2M1623-7#20255#20262
25.2M → Finish3548-13#20262#20275
TOTALS9642874-1910
📊

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