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BOSTON MARATHON 2026

Elizabeth Swierzbinski

Bib: 12568•F

DE

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 24%
Gender (Female)
#0 / 12578
Top 8%
Age Group (F18-39)
#0 / 5716
Top 15%
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
21:26
3.11 mi
Rank: #7750
Start → 5K
21:26 | 6:54/mi
10K
42:28
6.21 mi
Rank: #7228 (+522)
5K → 10K
21:02 | 6:47/mi
15K
1:03:29
9.32 mi
Rank: #6948 (+280)
10K → 15K
21:01 | 6:46/mi
20K
1:24:37
12.43 mi
Rank: #6703 (+245)
15K → 20K
21:08 | 6:49/mi
HALF
1:29:11
13.11 mi
Rank: #6668 (+35)
20K → HALF
4:34 | 6:42/mi
25K
1:45:44
15.53 mi
Rank: #6552 (+116)
HALF → 25K
16:33 | 6:50/mi
30K
2:08:02
18.64 mi
Rank: #6681 (-129)
25K → 30K
22:18 | 7:11/mi
20M
2:18:12
20.00 mi
Rank: #6844 (-163)
30K → 20M
10:10 | 7:30/mi
21M
2:26:36
21.00 mi
Rank: #7099 (-255)
20M → 21M
8:24 | 8:24/mi
35K
2:32:01
21.75 mi
Rank: #7112 (-13)
21M → 35K
5:25 | 7:15/mi
23M
2:41:18
23.00 mi
Rank: #7114 (-2)
35K → 23M
9:17 | 7:26/mi
24M
2:48:33
24.00 mi
Rank: #7111 (+3)
23M → 24M
7:15 | 7:15/mi
40K
2:54:51
24.85 mi
Rank: #7089 (+22)
24M → 40K
6:18 | 7:23/mi
25.2M
2:57:36
25.20 mi
Rank: #7085 (+4)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:04:51
26.22 mi
Rank: #7086 (-1)
25.2M → FINISH
7:15 | 7:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:11
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4421:266:5421:26
6:54
-
10K
6.21 mi11:10:4642:286:5121:02
6:47
-0:07
15K
9.32 mi11:31:471:03:296:4921:01
6:46
-0:01
20K
12.43 mi11:52:551:24:376:4921:08
6:49
+0:03
HALF
13.11 mi11:57:291:29:116:494:34
6:42
-0:07
25K
15.53 mi12:14:021:45:446:4916:33
6:50
+0:08
30K
18.64 mi12:36:202:08:026:5322:18
7:11
+0:21
20M
20.00 mi12:46:302:18:126:5510:10
7:30
+0:19
21M
21.00 mi12:54:542:26:366:598:24
8:24
+0:54
35K
21.75 mi13:00:192:32:017:005:25
7:15
-1:09
23M
23.00 mi13:09:362:41:187:019:17
7:26
+0:11
24M
24.00 mi13:16:512:48:337:027:15
7:15
-0:11
40K
24.85 mi13:23:092:54:517:036:18
7:23
+0:08
25.2M
25.20 mi13:25:542:57:367:032:45
7:59
+0:36
FINISH
26.22 mi13:33:093:04:517:047:15
7:07
-0:52

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

6:42 /mi

Average Pace

7:03 /mi

Slowest Pace

8:24 /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

1:45:44

57% of race

Time at Steady Pace

48:31

26% of race

Time at Slower Pace

30:36

17% of race

Average Pace: 7:03 /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 mi10:49:4421:266:5421:26
6:54
#7750
10K
6.21 mi11:10:4642:286:5121:02
6:47
#7228
15K
9.32 mi11:31:471:03:296:4921:01
6:46
#6948
20K
12.43 mi11:52:551:24:376:4921:08
6:49
#6703
HALF
13.11 mi11:57:291:29:116:494:34
6:42
#6668
25K
15.53 mi12:14:021:45:446:4916:33
6:50
#6552
30K
18.64 mi12:36:202:08:026:5322:18
7:11
#6681
20M
20.00 mi12:46:302:18:126:5510:10
7:30
#6844
21M
21.00 mi12:54:542:26:366:598:24
8:24
#7099
35K
21.75 mi13:00:192:32:017:005:25
7:15
#7112
23M
23.00 mi13:09:362:41:187:019:17
7:26
#7114
24M
24.00 mi13:16:512:48:337:027:15
7:15
#7111
40K
24.85 mi13:23:092:54:517:036:18
7:23
#7089
25.2M
25.20 mi13:25:542:57:367:032:45
7:59
#7085
FINISH
26.22 mi13:33:093:04:517:047:15
7:07
#7086
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 mi77509959956500(Top 22%)675(Top 5%)675(Top 12%)
10K6.21 mi3.10 mi7228+522844+151844+1516690(Top 23%)711(Top 6%)711(Top 12%)
15K9.32 mi3.11 mi6948+280774+70774+706500(Top 22%)675(Top 5%)675(Top 12%)
20K12.43 mi3.11 mi6703+245709+65709+656251(Top 22%)640(Top 5%)640(Top 11%)
HALF13.11 mi0.68 mi6668+35702+7702+76264(Top 22%)637(Top 5%)637(Top 11%)
25K15.53 mi2.42 mi6552+116686+16686+166044(Top 21%)637(Top 5%)637(Top 11%)
30K18.64 mi3.11 mi6681-129735-49735-497249(Top 25%)1078(Top 9%)1078(Top 19%)
20M20.00 mi1.36 mi6844-163801-66801-669022(Top 31%)1909(Top 15%)1909(Top 33%)
21M21.00 mi1.00 mi7099-255882-81882-8112479(Top 43%)3763(Top 30%)3763(Top 66%)
35K21.75 mi0.75 mi7112-13899-17899-178854(Top 31%)1930(Top 15%)1930(Top 34%)
23M23.00 mi1.25 mi7114-2920-21920-218277(Top 29%)1755(Top 14%)1755(Top 31%)
24M24.00 mi1.00 mi7111+3940-20940-208236(Top 28%)1820(Top 14%)1820(Top 32%)
40K24.85 mi0.85 mi7089+22953-13953-137948(Top 27%)1767(Top 14%)1767(Top 31%)
25.2M25.20 mi0.35 mi7085+4963-10963-108222(Top 28%)1953(Top 16%)1953(Top 34%)
FINISH26.22 mi1.02 mi7086-1976-13976-138473(Top 29%)2125(Top 17%)2125(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6500

Females

675

F18-39

675

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6690

Females

711

F18-39

711

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6500

Females

675

F18-39

675

15K→20K

9.3 - 12.4 mi

Top 22%
×5
+106ft-86ft

Overall

6251

Females

640

F18-39

640

20K→HALF

12.4 - 13.1 mi

Top 22%
×2
+19ft-37ft

Overall

6264

Females

637

F18-39

637

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6044

Females

637

F18-39

637

25K→30K

15.5 - 18.6 mi

Top 25%
×9
+181ft-148ft

Overall

7249

Females

1078

F18-39

1078

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

9022

Females

1909

F18-39

1909

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12479

Females

3763

F18-39

3763

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

8854

Females

1930

F18-39

1930

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8277

Females

1755

F18-39

1755

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8236

Females

1820

F18-39

1820

24M→40K

24.0 - 24.9 mi

Top 27%
×1
+6ft-20ft

Overall

7948

Females

1767

F18-39

1767

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8222

Females

1953

F18-39

1953

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8473

Females

2125

F18-39

2125

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1889
Passed By
1225
Net Change
+664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7750
5K → 10K57048+522#7750#7228
10K → 15K32343+280#7228#6948
15K → 20K28035+245#6948#6703
20K → HALF449+35#6703#6668
HALF → 25K16852+116#6668#6552
25K → 30K110239-129#6552#6681
30K → 20M41204-163#6681#6844
20M → 21M16271-255#6844#7099
21M → 35K3649-13#7099#7112
35K → 23M8991-2#7112#7114
23M → 24M6562+3#7114#7111
24M → 40K6543+22#7111#7089
40K → 25.2M3026+4#7089#7085
25.2M → FINISH5253-1#7085#7086
TOTALS18891225+664
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing