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BOSTON MARATHON 2026

Jennifer Sammons

Bib: 17943•F

TX

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 50%
Gender (Female)
#0 / 12578
Top 37%
Age Group (F18-39)
#0 / 5716
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
23:25
3.11 mi
Rank: #13108
Start → 5K
23:25 | 7:33/mi
10K
46:50
6.21 mi
Rank: #13170 (-62)
5K → 10K
23:25 | 7:33/mi
15K
1:10:21
9.32 mi
Rank: #13219 (-49)
10K → 15K
23:31 | 7:35/mi
20K
1:34:14
12.43 mi
Rank: #13304 (-85)
15K → 20K
23:53 | 7:42/mi
HALF
1:39:28
13.11 mi
Rank: #13359 (-55)
20K → HALF
5:14 | 7:41/mi
25K
1:58:41
15.53 mi
Rank: #13561 (-202)
HALF → 25K
19:13 | 7:56/mi
30K
2:24:46
18.64 mi
Rank: #14081 (-520)
25K → 30K
26:05 | 8:24/mi
20M
2:36:30
20.00 mi
Rank: #14309 (-228)
30K → 20M
11:44 | 8:39/mi
21M
2:45:19
21.00 mi
Rank: #14323 (-14)
20M → 21M
8:49 | 8:49/mi
35K
2:51:32
21.75 mi
Rank: #14391 (-68)
21M → 35K
6:13 | 8:19/mi
23M
3:02:04
23.00 mi
Rank: #14433 (-42)
35K → 23M
10:32 | 8:26/mi
24M
3:10:05
24.00 mi
Rank: #14412 (+21)
23M → 24M
8:01 | 8:01/mi
40K
3:17:14
24.85 mi
Rank: #14437 (-25)
24M → 40K
7:09 | 8:22/mi
25.2M
3:20:20
25.20 mi
Rank: #14440 (-3)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:28:25
26.22 mi
Rank: #14467 (-27)
25.2M → FINISH
8:05 | 7:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:28
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:48:57
Pace8:19 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:4123:257:3323:25
7:33
-
10K
6.21 mi11:29:0646:507:3323:25
7:33
0:00
15K
9.32 mi11:52:371:10:217:3323:31
7:35
+0:02
20K
12.43 mi12:16:301:34:147:3523:53
7:42
+0:07
HALF
13.11 mi12:21:441:39:287:365:14
7:41
-0:01
25K
15.53 mi12:40:571:58:417:3919:13
7:56
+0:15
30K
18.64 mi13:07:022:24:467:4626:05
8:24
+0:28
20M
20.00 mi13:18:462:36:307:5011:44
8:39
+0:15
21M
21.00 mi13:27:352:45:197:538:49
8:49
+0:10
35K
21.75 mi13:33:482:51:327:546:13
8:19
-0:30
23M
23.00 mi13:44:203:02:047:5510:32
8:26
+0:07
24M
24.00 mi13:52:213:10:057:568:01
8:01
-0:25
40K
24.85 mi13:59:303:17:147:577:09
8:22
+0:21
25.2M
25.20 mi14:02:363:20:207:573:06
9:00
+0:38
FINISH
26.22 mi14:10:413:28:257:588:05
7:56
-1:04

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

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

9:00 /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

2:14:47

65% of race

Time at Steady Pace

1:10:32

34% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:57 /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 mi11:05:4123:257:3323:25
7:33
#13108
10K
6.21 mi11:29:0646:507:3323:25
7:33
#13170
15K
9.32 mi11:52:371:10:217:3323:31
7:35
#13219
20K
12.43 mi12:16:301:34:147:3523:53
7:42
#13304
HALF
13.11 mi12:21:441:39:287:365:14
7:41
#13359
25K
15.53 mi12:40:571:58:417:3919:13
7:56
#13561
30K
18.64 mi13:07:022:24:467:4626:05
8:24
#14081
20M
20.00 mi13:18:462:36:307:5011:44
8:39
#14309
21M
21.00 mi13:27:352:45:197:538:49
8:49
#14323
35K
21.75 mi13:33:482:51:327:546:13
8:19
#14391
23M
23.00 mi13:44:203:02:047:5510:32
8:26
#14433
24M
24.00 mi13:52:213:10:057:568:01
8:01
#14412
40K
24.85 mi13:59:303:17:147:577:09
8:22
#14437
25.2M
25.20 mi14:02:363:20:207:573:06
9:00
#14440
FINISH
26.22 mi14:10:413:28:257:588:05
7:56
#14467
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131083554355413432(Top 46%)3829(Top 30%)3829(Top 67%)
10K6.21 mi3.10 mi13170-623625-713625-7113280(Top 46%)3703(Top 29%)3703(Top 65%)
15K9.32 mi3.11 mi13219-493668-433668-4313432(Top 46%)3829(Top 30%)3829(Top 67%)
20K12.43 mi3.11 mi13304-853746-783746-7813635(Top 47%)4011(Top 32%)4011(Top 70%)
HALF13.11 mi0.68 mi13359-553780-343780-3414629(Top 50%)4516(Top 36%)4516(Top 79%)
25K15.53 mi2.42 mi13561-2023913-1333913-13314792(Top 51%)4749(Top 38%)4749(Top 83%)
30K18.64 mi3.11 mi14081-5204248-3354248-33516241(Top 56%)5654(Top 45%)5654(Top 99%)
20M20.00 mi1.36 mi14309-2284408-1604408-16017011(Top 59%)6197(Top 49%)6197(Top 108%)
21M21.00 mi1.00 mi14323-144432-244432-2415099(Top 52%)5186(Top 41%)5186(Top 91%)
35K21.75 mi0.75 mi14391-684491-594491-5916491(Top 57%)6015(Top 48%)6015(Top 105%)
23M23.00 mi1.25 mi14433-424560-694560-6915203(Top 52%)5367(Top 43%)5367(Top 94%)
24M24.00 mi1.00 mi14412+214573-134573-1313917(Top 48%)4746(Top 38%)4746(Top 83%)
40K24.85 mi0.85 mi14437-254607-344607-3414861(Top 51%)5352(Top 43%)5352(Top 94%)
25.2M25.20 mi0.35 mi14440-34617-104617-1014691(Top 51%)5260(Top 42%)5260(Top 92%)
FINISH26.22 mi1.02 mi14467-274649-324649-3214743(Top 51%)5296(Top 42%)5296(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21
+97ft-345ft

Overall

13432

Females

3829

F18-39

3829

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13280

Females

3703

F18-39

3703

10K→15K

6.2 - 9.3 mi

Top 46%
×3
+67ft-78ft

Overall

13432

Females

3829

F18-39

3829

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13635

Females

4011

F18-39

4011

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14629

Females

4516

F18-39

4516

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14792

Females

4749

F18-39

4749

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16241

Females

5654

F18-39

5654

30K→20M

18.6 - 20.0 mi

Top 59%
×5
+64ft-50ft

Overall

17011

Females

6197

F18-39

6197

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15099

Females

5186

F18-39

5186

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16491

Females

6015

F18-39

6015

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15203

Females

5367

F18-39

5367

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

13917

Females

4746

F18-39

4746

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14861

Females

5352

F18-39

5352

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14691

Females

5260

F18-39

5260

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14743

Females

5296

F18-39

5296

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1219
Passed By
2578
Net Change
-1359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13108
5K → 10K245307-62#13108#13170
10K → 15K179228-49#13170#13219
15K → 20K132217-85#13219#13304
20K → HALF1974-55#13304#13359
HALF → 25K70272-202#13359#13561
25K → 30K76596-520#13561#14081
30K → 20M46274-228#14081#14309
20M → 21M91105-14#14309#14323
21M → 35K38106-68#14323#14391
35K → 23M90132-42#14391#14433
23M → 24M7857+21#14433#14412
24M → 40K6085-25#14412#14437
40K → 25.2M3134-3#14437#14440
25.2M → FINISH6491-27#14440#14467
TOTALS12192578-1359
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing