Boston Marathon logo
BOSTON MARATHON 2023

Sharon Lambert

Bib: 23755•F

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
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:58
Rank: #21612
Start → 5K
28:58 | 9:19/mi
10K· 6.21 mi
58:24
Rank: #22048 (-436)
5K → 10K
29:26 | 9:28/mi
15K· 9.32 mi
1:28:47
Rank: #22391 (-343)
10K → 15K
30:23 | 9:47/mi
20K· 12.43 mi
1:59:36
Rank: #22476 (-85)
15K → 20K
30:49 | 9:55/mi
Half· 13.11 mi
2:06:06
Rank: #22463 (+13)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:31:02
Rank: #22533 (-70)
Half → 25K
24:56 | 10:17/mi
30K· 18.64 mi
3:03:54
Rank: #22480 (+53)
25K → 30K
32:52 | 10:35/mi
20M
3:18:36
Rank: #22469 (+11)
30K → 20M
14:42 | 10:49/mi
21M
3:30:21
Rank: #22472 (-3)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:38:14
Rank: #22463 (+9)
21M → 35K
7:53 | 10:32/mi
23M
3:51:44
Rank: #22429 (+34)
35K → 23M
13:30 | 10:47/mi
24M
4:02:17
Rank: #22423 (+6)
23M → 24M
10:33 | 10:33/mi
40K· 24.85 mi
4:12:07
Rank: #22450 (-27)
24M → 40K
9:50 | 11:30/mi
25.2M
4:16:23
Rank: #22454 (-4)
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:27:33
Rank: #22521 (-67)
25.2M → Finish
11:10 | 10:57/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
Time2:06:06
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:21:27
Pace10:47 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5028:589:1928:58
9:19
-
10K
6.21 mi11:54:1658:249:2429:26
9:28
+0:09
15K
9.32 mi12:24:391:28:479:3230:23
9:47
+0:19
20K
12.43 mi12:55:281:59:369:3730:49
9:55
+0:08
Half
13.11 mi13:01:582:06:069:376:30
9:32
-0:23
25K
15.53 mi13:26:542:31:029:4324:56
10:17
+0:45
30K
18.64 mi13:59:463:03:549:5232:52
10:35
+0:18
20M
20.00 mi14:14:283:18:369:5614:42
10:49
+0:14
21M
21.00 mi14:26:133:30:2110:0111:45
11:45
+0:56
35K
21.75 mi14:34:063:38:1410:027:53
10:32
-1:13
23M
23.00 mi14:47:363:51:4410:0513:30
10:47
+0:15
24M
24.00 mi14:58:094:02:1710:0610:33
10:33
-0:14
40K
24.85 mi15:07:594:12:0710:099:50
11:30
+0:57
25.2M
25.20 mi15:12:154:16:2310:104:16
12:22
+0:52
Finish
26.22 mi15:23:254:27:3310:1311:10
10:57
-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

9:19 /mi

Average Pace

10:13 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:06

47% of race

Time at Steady Pace

1:55:36

43% of race

Time at Slower Pace

25:51

10% of race

Average Pace: 10:12 /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 mi11:24:5028:589:1928:58
9:19
#21612
10K
6.21 mi11:54:1658:249:2429:26
9:28
#22048
15K
9.32 mi12:24:391:28:479:3230:23
9:47
#22391
20K
12.43 mi12:55:281:59:369:3730:49
9:55
#22476
Half
13.11 mi13:01:582:06:069:376:30
9:32
#22463
25K
15.53 mi13:26:542:31:029:4324:56
10:17
#22533
30K
18.64 mi13:59:463:03:549:5232:52
10:35
#22480
20M
20.00 mi14:14:283:18:369:5614:42
10:49
#22469
21M
21.00 mi14:26:133:30:2110:0111:45
11:45
#22472
35K
21.75 mi14:34:063:38:1410:027:53
10:32
#22463
23M
23.00 mi14:47:363:51:4410:0513:30
10:47
#22429
24M
24.00 mi14:58:094:02:1710:0610:33
10:33
#22423
40K
24.85 mi15:07:594:12:0710:099:50
11:30
#22450
25.2M
25.20 mi15:12:154:16:2310:104:16
12:22
#22454
Finish
26.22 mi15:23:254:27:3310:1311:10
10:57
#22521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi216128700870023003(Top 86%)9346(Top 82%)9346(Top 1773%)
10K6.21 mi3.10 mi22048-4368880-1808880-18022455(Top 84%)9062(Top 79%)9062(Top 1720%)
15K9.32 mi3.11 mi22391-3439038-1589038-15823003(Top 86%)9346(Top 82%)9346(Top 1773%)
20K12.43 mi3.11 mi22476-859074-369074-3622710(Top 85%)9195(Top 80%)9195(Top 1745%)
Half13.11 mi0.68 mi22463+139067+79067+722222(Top 83%)8909(Top 78%)8909(Top 1691%)
25K15.53 mi2.42 mi22533-709122-559122-5522806(Top 86%)9274(Top 81%)9274(Top 1760%)
30K18.64 mi3.11 mi22480+539114+89114+822369(Top 84%)9110(Top 80%)9110(Top 1729%)
20M20.00 mi1.36 mi22469+119119-59119-522381(Top 84%)9183(Top 80%)9183(Top 1743%)
21M21.00 mi1.00 mi22472-39128-99128-922332(Top 84%)9183(Top 80%)9183(Top 1743%)
35K21.75 mi0.75 mi22463+99126+29126+222466(Top 84%)9304(Top 81%)9304(Top 1765%)
23M23.00 mi1.25 mi22429+349111+159111+1521944(Top 82%)9042(Top 79%)9042(Top 1716%)
24M24.00 mi1.00 mi22423+69118-79118-722145(Top 83%)9184(Top 80%)9184(Top 1743%)
40K24.85 mi0.85 mi22450-279143-259143-2523208(Top 87%)9771(Top 86%)9771(Top 1854%)
25.2M25.20 mi0.35 mi22454-49149-69149-623103(Top 87%)9719(Top 85%)9719(Top 1844%)
Finish26.22 mi1.02 mi22521-679197-489197-4823894(Top 90%)10102(Top 88%)10102(Top 1917%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

23003

Females

9346

F60-64

9346

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22455

Females

9062

F60-64

9062

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

23003

Females

9346

F60-64

9346

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22710

Females

9195

F60-64

9195

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22222

Females

8909

F60-64

8909

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22806

Females

9274

F60-64

9274

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22369

Females

9110

F60-64

9110

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22381

Females

9183

F60-64

9183

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22332

Females

9183

F60-64

9183

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22466

Females

9304

F60-64

9304

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21944

Females

9042

F60-64

9042

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22145

Females

9184

F60-64

9184

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23208

Females

9771

F60-64

9771

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23103

Females

9719

F60-64

9719

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23894

Females

10102

F60-64

10102

Passing Analysis

Category:
Athletes Passed
856
Passed By
1765
Net Change
-909
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21612
5K → 10K107543-436#21612#22048
10K → 15K70413-343#22048#22391
15K → 20K102187-85#22391#22476
20K → Half3017+13#22476#22463
Half → 25K73143-70#22463#22533
25K → 30K14289+53#22533#22480
30K → 20M6150+11#22480#22469
20M → 21M5962-3#22469#22472
21M → 35K4031+9#22472#22463
35K → 23M7541+34#22463#22429
23M → 24M3731+6#22429#22423
24M → 40K2249-27#22423#22450
40K → 25.2M1317-4#22450#22454
25.2M → Finish2592-67#22454#22521
TOTALS8561765-909
📊

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