All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Sarah Shannon

Bib: 16957•F

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
27:23
3.11 mi
Rank: #21769
Start → 5K
27:23 | 8:49/mi
10K
56:14
6.21 mi
Rank: #22961 (-1192)
5K → 10K
28:51 | 9:18/mi
15K
1:25:03
9.32 mi
Rank: #23253 (-292)
10K → 15K
28:49 | 9:17/mi
20K
1:54:00
12.43 mi
Rank: #23250 (+3)
15K → 20K
28:57 | 9:20/mi
HALF
2:00:13
13.11 mi
Rank: #23255 (-5)
20K → HALF
6:13 | 9:08/mi
25K
2:23:10
15.53 mi
Rank: #23161 (+94)
HALF → 25K
22:57 | 9:28/mi
30K
2:52:34
18.64 mi
Rank: #22845 (+316)
25K → 30K
29:24 | 9:28/mi
20M
3:05:27
20.00 mi
Rank: #22680 (+165)
30K → 20M
12:53 | 9:30/mi
21M
3:15:21
21.00 mi
Rank: #22532 (+148)
20M → 21M
9:54 | 9:54/mi
35K
3:22:20
21.75 mi
Rank: #22482 (+50)
21M → 35K
6:59 | 9:21/mi
23M
3:34:15
23.00 mi
Rank: #22364 (+118)
35K → 23M
11:55 | 9:32/mi
24M
3:43:33
24.00 mi
Rank: #22282 (+82)
23M → 24M
9:18 | 9:18/mi
40K
3:51:37
24.85 mi
Rank: #22200 (+82)
24M → 40K
8:04 | 9:27/mi
25.2M
3:55:08
25.20 mi
Rank: #22173 (+27)
40K → 25.2M
3:31 | 10:12/mi
FINISH
4:04:15
26.22 mi
Rank: #22115 (+58)
25.2M → FINISH
9:07 | 8:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:13
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:04:02
Pace9:28 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:4427:238:4927:23
8:49
-
10K
6.21 mi11:37:3556:149:0328:51
9:18
+0:29
15K
9.32 mi12:06:241:25:039:0828:49
9:17
-0:01
20K
12.43 mi12:35:211:54:009:1128:57
9:20
+0:03
HALF
13.11 mi12:41:342:00:139:116:13
9:08
-0:12
25K
15.53 mi13:04:312:23:109:1322:57
9:28
+0:20
30K
18.64 mi13:33:552:52:349:1629:24
9:28
0:00
20M
20.00 mi13:46:483:05:279:1712:53
9:30
+0:02
21M
21.00 mi13:56:423:15:219:199:54
9:54
+0:24
35K
21.75 mi14:03:413:22:209:196:59
9:21
-0:33
23M
23.00 mi14:15:363:34:159:1911:55
9:32
+0:11
24M
24.00 mi14:24:543:43:339:199:18
9:18
-0:14
40K
24.85 mi14:32:583:51:379:208:04
9:27
+0:09
25.2M
25.20 mi14:36:293:55:089:203:31
10:12
+0:45
FINISH
26.22 mi14:45:364:04:159:209:07
8:57
-1:15

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

8:49 /mi

Average Pace

9:19 /mi

Slowest Pace

10:12 /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

3:50:50

95% of race

Time at Steady Pace

13:25

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /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 mi11:08:4427:238:4927:23
8:49
#21769
10K
6.21 mi11:37:3556:149:0328:51
9:18
#22961
15K
9.32 mi12:06:241:25:039:0828:49
9:17
#23253
20K
12.43 mi12:35:211:54:009:1128:57
9:20
#23250
HALF
13.11 mi12:41:342:00:139:116:13
9:08
#23255
25K
15.53 mi13:04:312:23:109:1322:57
9:28
#23161
30K
18.64 mi13:33:552:52:349:1629:24
9:28
#22845
20M
20.00 mi13:46:483:05:279:1712:53
9:30
#22680
21M
21.00 mi13:56:423:15:219:199:54
9:54
#22532
35K
21.75 mi14:03:413:22:209:196:59
9:21
#22482
23M
23.00 mi14:15:363:34:159:1911:55
9:32
#22364
24M
24.00 mi14:24:543:43:339:199:18
9:18
#22282
40K
24.85 mi14:32:583:51:379:208:04
9:27
#22200
25.2M
25.20 mi14:36:293:55:089:203:31
10:12
#22173
FINISH
26.22 mi14:45:364:04:159:209:07
8:57
#22115
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 mi217698568856823762(Top 82%)9533(Top 76%)9533(Top 534%)
10K6.21 mi3.10 mi22961-11929140-5729140-57223923(Top 82%)9620(Top 76%)9620(Top 539%)
15K9.32 mi3.11 mi23253-2929280-1409280-14023762(Top 82%)9533(Top 76%)9533(Top 534%)
20K12.43 mi3.11 mi23250+39290-109290-1023185(Top 80%)9274(Top 74%)9274(Top 519%)
HALF13.11 mi0.68 mi23255-59294-49294-423214(Top 80%)9262(Top 74%)9262(Top 519%)
25K15.53 mi2.42 mi23161+949247+479247+4722916(Top 79%)9161(Top 73%)9161(Top 513%)
30K18.64 mi3.11 mi22845+3169121+1269121+12621509(Top 74%)8526(Top 68%)8526(Top 477%)
20M20.00 mi1.36 mi22680+1659057+649057+6421015(Top 72%)8357(Top 66%)8357(Top 468%)
21M21.00 mi1.00 mi22532+1488993+648993+6420115(Top 69%)7926(Top 63%)7926(Top 444%)
35K21.75 mi0.75 mi22482+508969+248969+2421305(Top 73%)8604(Top 68%)8604(Top 482%)
23M23.00 mi1.25 mi22364+1188925+448925+4420677(Top 71%)8300(Top 66%)8300(Top 465%)
24M24.00 mi1.00 mi22282+828903+228903+2220654(Top 71%)8372(Top 67%)8372(Top 469%)
40K24.85 mi0.85 mi22200+828872+318872+3120165(Top 69%)8159(Top 65%)8159(Top 457%)
25.2M25.20 mi0.35 mi22173+278865+78865+720162(Top 69%)8158(Top 65%)8158(Top 457%)
FINISH26.22 mi1.02 mi22115+588846+198846+1920318(Top 70%)8244(Top 66%)8244(Top 462%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23762

Females

9533

F45-49

9533

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23923

Females

9620

F45-49

9620

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23762

Females

9533

F45-49

9533

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23185

Females

9274

F45-49

9274

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23214

Females

9262

F45-49

9262

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22916

Females

9161

F45-49

9161

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21509

Females

8526

F45-49

8526

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

21015

Females

8357

F45-49

8357

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20115

Females

7926

F45-49

7926

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21305

Females

8604

F45-49

8604

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20677

Females

8300

F45-49

8300

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20654

Females

8372

F45-49

8372

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20165

Females

8159

F45-49

8159

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

20162

Females

8158

F45-49

8158

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20318

Females

8244

F45-49

8244

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1648
Passed By
1994
Net Change
-346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21769
5K → 10K341226-1192#21769#22961
10K → 15K79371-292#22961#23253
15K → 20K155152+3#23253#23250
20K → HALF2328-5#23250#23255
HALF → 25K17985+94#23255#23161
25K → 30K33519+316#23161#22845
30K → 20M17712+165#22845#22680
20M → 21M1568+148#22680#22532
21M → 35K6717+50#22532#22482
35K → 23M13719+118#22482#22364
23M → 24M10321+82#22364#22282
24M → 40K908+82#22282#22200
40K → 25.2M336+27#22200#22173
25.2M → FINISH8022+58#22173#22115
TOTALS16481994-346
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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