Sara Shepard

Bib: 20760F

PA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 49%
Masters (Masters Women)
#0 / 6862
Top 36%
Age Group (F45-49)
#0 / 1786
Top 46%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:43
3.11 mi
Rank: #16620
Start5K
24:43 | 7:58/mi
10K
49:20
6.21 mi
Rank: #16645 (-25)
5K10K
24:37 | 7:56/mi
15K
1:13:53
9.32 mi
Rank: #16501 (+144)
10K15K
24:33 | 7:55/mi
20K
1:38:24
12.43 mi
Rank: #16168 (+333)
15K20K
24:31 | 7:54/mi
HALF
1:43:46
13.11 mi
Rank: #16167 (+1)
20KHALF
5:22 | 7:53/mi
25K
2:03:18
15.53 mi
Rank: #16087 (+80)
HALF25K
19:32 | 8:04/mi
30K
2:28:56
18.64 mi
Rank: #15910 (+177)
25K30K
25:38 | 8:16/mi
20M
2:40:29
20.00 mi
Rank: #15923 (-13)
30K20M
11:33 | 8:31/mi
21M
2:50:04
21.00 mi
Rank: #16104 (-181)
20M21M
9:35 | 9:35/mi
35K
2:56:28
21.75 mi
Rank: #16150 (-46)
21M35K
6:24 | 8:34/mi
23M
3:07:57
23.00 mi
Rank: #16349 (-199)
35K23M
11:29 | 9:11/mi
24M
3:17:46
24.00 mi
Rank: #16746 (-397)
23M24M
9:49 | 9:49/mi
40K
3:25:24
24.85 mi
Rank: #16780 (-34)
24M40K
7:38 | 8:56/mi
25.2M
3:29:06
25.20 mi
Rank: #16899 (-119)
40K25.2M
3:42 | 10:44/mi
FINISH
3:37:59
26.22 mi
Rank: #16988 (-89)
25.2MFINISH
8:53 | 8:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:54:13
Pace8:43 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:0524:437:5824:43
7:58
-
10K
6.21 mi11:35:4249:207:5724:37
7:56
-0:02
15K
9.32 mi12:00:151:13:537:5624:33
7:55
-0:01
20K
12.43 mi12:24:461:38:247:5624:31
7:54
-0:01
HALF
13.11 mi12:30:081:43:467:555:22
7:53
-0:01
25K
15.53 mi12:49:402:03:187:5719:32
8:04
+0:11
30K
18.64 mi13:15:182:28:568:0025:38
8:16
+0:12
20M
20.00 mi13:26:512:40:298:0211:33
8:31
+0:15
21M
21.00 mi13:36:262:50:048:069:35
9:35
+1:04
35K
21.75 mi13:42:502:56:288:076:24
8:34
-1:01
23M
23.00 mi13:54:193:07:578:1111:29
9:11
+0:37
24M
24.00 mi14:04:083:17:468:159:49
9:49
+0:38
40K
24.85 mi14:11:463:25:248:167:38
8:56
-0:53
25.2M
25.20 mi14:15:283:29:068:183:42
10:44
+1:48
FINISH
26.22 mi14:24:213:37:598:208:53
8:44
-2:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:53 /mi

Average Pace

8:19 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:03:18

57% of race

Time at Steady Pace

52:28

24% of race

Time at Slower Pace

42:13

19% of race

Average Pace: 8:19 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:0524:437:5824:43
7:58
#16620
10K
6.21 mi11:35:4249:207:5724:37
7:56
#16645
15K
9.32 mi12:00:151:13:537:5624:33
7:55
#16501
20K
12.43 mi12:24:461:38:247:5624:31
7:54
#16168
HALF
13.11 mi12:30:081:43:467:555:22
7:53
#16167
25K
15.53 mi12:49:402:03:187:5719:32
8:04
#16087
30K
18.64 mi13:15:182:28:568:0025:38
8:16
#15910
20M
20.00 mi13:26:512:40:298:0211:33
8:31
#15923
21M
21.00 mi13:36:262:50:048:069:35
9:35
#16104
35K
21.75 mi13:42:502:56:288:076:24
8:34
#16150
23M
23.00 mi13:54:193:07:578:1111:29
9:11
#16349
24M
24.00 mi14:04:083:17:468:159:49
9:49
#16746
40K
24.85 mi14:11:463:25:248:167:38
8:56
#16780
25.2M
25.20 mi14:15:283:29:068:183:42
10:44
#16899
FINISH
26.22 mi14:24:213:37:598:208:53
8:44
#16988
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi166205701570116230(Top 56%)5469(Top 43%)5469(Top 306%)
10K6.21 mi3.10 mi16645-255727-265727-2616676(Top 57%)5723(Top 46%)5723(Top 320%)
15K9.32 mi3.11 mi16501+1445635+925635+9216230(Top 56%)5469(Top 43%)5469(Top 306%)
20K12.43 mi3.11 mi16168+3335452+1835452+18315263(Top 53%)4958(Top 39%)4958(Top 278%)
HALF13.11 mi0.68 mi16167+15454-25454-216228(Top 56%)5482(Top 44%)5482(Top 307%)
25K15.53 mi2.42 mi16087+805415+395415+3915841(Top 55%)5334(Top 42%)5334(Top 299%)
30K18.64 mi3.11 mi15910+1775351+645351+6415284(Top 53%)5135(Top 41%)5135(Top 288%)
20M20.00 mi1.36 mi15923-135381-305381-3016244(Top 56%)5781(Top 46%)5781(Top 324%)
21M21.00 mi1.00 mi16104-1815510-1295510-12918889(Top 65%)7263(Top 58%)7263(Top 407%)
35K21.75 mi0.75 mi16150-465554-445554-4417897(Top 62%)6831(Top 54%)6831(Top 382%)
23M23.00 mi1.25 mi16349-1995673-1195673-11919334(Top 67%)7640(Top 61%)7640(Top 428%)
24M24.00 mi1.00 mi16746-3975910-2375910-23722295(Top 77%)9176(Top 73%)9176(Top 514%)
40K24.85 mi0.85 mi16780-345952-425952-4218057(Top 62%)7067(Top 56%)7067(Top 396%)
25.2M25.20 mi0.35 mi16899-1196034-826034-8221731(Top 75%)8923(Top 71%)8923(Top 500%)
FINISH26.22 mi1.02 mi16988-896109-756109-7519255(Top 66%)7681(Top 61%)7681(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16230

Females

5469

F45-49

5469

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16676

Females

5723

F45-49

5723

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16230

Females

5469

F45-49

5469

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15263

Females

4958

F45-49

4958

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16228

Females

5482

F45-49

5482

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15841

Females

5334

F45-49

5334

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15284

Females

5135

F45-49

5135

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16244

Females

5781

F45-49

5781

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18889

Females

7263

F45-49

7263

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17897

Females

6831

F45-49

6831

35K→23M

21.8 - 23.0 mi

Top 67%
×5
+23ft-63ft

Overall

19334

Females

7640

F45-49

7640

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22295

Females

9176

F45-49

9176

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

18057

Females

7067

F45-49

7067

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21731

Females

8923

F45-49

8923

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19255

Females

7681

F45-49

7681

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 8 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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