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BOSTON MARATHON 2026

Carrie Swim

Bib: 20488 •F •Age: N/A

TX

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
Masters (Masters Women)
#0 / 6862
Top 16%
Age Group (F40-44)
#0 / 1737
Top 36%
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
24:05
3.11 mi
Rank: #15020
Start → 5K
24:05 | 7:46/mi
10K
47:40
6.21 mi
Rank: #14362 (+658)
5K → 10K
23:35 | 7:36/mi
15K
1:11:42
9.32 mi
Rank: #14486 (-124)
10K → 15K
24:02 | 7:45/mi
20K
1:35:59
12.43 mi
Rank: #14497 (-11)
15K → 20K
24:17 | 7:49/mi
HALF
1:41:13
13.11 mi
Rank: #14513 (-16)
20K → HALF
5:14 | 7:41/mi
25K
2:00:19
15.53 mi
Rank: #14467 (+46)
HALF → 25K
19:06 | 7:53/mi
30K
2:25:16
18.64 mi
Rank: #14300 (+167)
25K → 30K
24:57 | 8:02/mi
20M
2:36:09
20.00 mi
Rank: #14174 (+126)
30K → 20M
10:53 | 8:01/mi
21M
2:44:34
21.00 mi
Rank: #14039 (+135)
20M → 21M
8:25 | 8:25/mi
35K
2:50:11
21.75 mi
Rank: #13895 (+144)
21M → 35K
5:37 | 7:31/mi
23M
3:00:01
23.00 mi
Rank: #13743 (+152)
35K → 23M
9:50 | 7:52/mi
24M
3:07:44
24.00 mi
Rank: #13642 (+101)
23M → 24M
7:43 | 7:43/mi
40K
3:14:32
24.85 mi
Rank: #13565 (+77)
24M → 40K
6:48 | 7:58/mi
25.2M
3:17:26
25.20 mi
Rank: #13509 (+56)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:25:17
26.22 mi
Rank: #13466 (+43)
25.2M → FINISH
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:13
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:44:04
Pace7:57 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4924:057:4624:05
7:46
-
10K
6.21 mi11:49:2447:407:4123:35
7:36
-0:10
15K
9.32 mi12:13:261:11:427:4224:02
7:45
+0:09
20K
12.43 mi12:37:431:35:597:4424:17
7:49
+0:04
HALF
13.11 mi12:42:571:41:137:445:14
7:41
-0:08
25K
15.53 mi13:02:032:00:197:4519:06
7:53
+0:12
30K
18.64 mi13:27:002:25:167:4824:57
8:02
+0:09
20M
20.00 mi13:37:532:36:097:4910:53
8:01
-0:01
21M
21.00 mi13:46:182:44:347:518:25
8:25
+0:24
35K
21.75 mi13:51:552:50:117:505:37
7:31
-0:54
23M
23.00 mi14:01:453:00:017:509:50
7:52
+0:21
24M
24.00 mi14:09:283:07:447:507:43
7:43
-0:09
40K
24.85 mi14:16:163:14:327:506:48
7:58
+0:15
25.2M
25.20 mi14:19:103:17:267:512:54
8:25
+0:27
FINISH
26.22 mi14:27:013:25:177:517:51
7:43
-0:42

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

7:31 /mi

Average Pace

7:50 /mi

Slowest Pace

8:25 /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

3:13:58

94% of race

Time at Steady Pace

11:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:25:4924:057:4624:05
7:46
#15020
10K
6.21 mi11:49:2447:407:4123:35
7:36
#14362
15K
9.32 mi12:13:261:11:427:4224:02
7:45
#14486
20K
12.43 mi12:37:431:35:597:4424:17
7:49
#14497
HALF
13.11 mi12:42:571:41:137:445:14
7:41
#14513
25K
15.53 mi13:02:032:00:197:4519:06
7:53
#14467
30K
18.64 mi13:27:002:25:167:4824:57
8:02
#14300
20M
20.00 mi13:37:532:36:097:4910:53
8:01
#14174
21M
21.00 mi13:46:182:44:347:518:25
8:25
#14039
35K
21.75 mi13:51:552:50:117:505:37
7:31
#13895
23M
23.00 mi14:01:453:00:017:509:50
7:52
#13743
24M
24.00 mi14:09:283:07:447:507:43
7:43
#13642
40K
24.85 mi14:16:163:14:327:506:48
7:58
#13565
25.2M
25.20 mi14:19:103:17:267:512:54
8:25
#13509
FINISH
26.22 mi14:27:013:25:177:517:51
7:43
#13466
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150204697469714819(Top 51%)4626(Top 37%)4626(Top 266%)
10K6.21 mi3.10 mi14362+6584313+3844313+38413796(Top 48%)3998(Top 32%)3998(Top 230%)
15K9.32 mi3.11 mi14486-1244413-1004413-10014819(Top 51%)4626(Top 37%)4626(Top 266%)
20K12.43 mi3.11 mi14497-114431-184431-1814664(Top 51%)4595(Top 37%)4595(Top 265%)
HALF13.11 mi0.68 mi14513-164434-34434-314593(Top 50%)4480(Top 36%)4480(Top 258%)
25K15.53 mi2.42 mi14467+464444-104444-1014422(Top 50%)4523(Top 36%)4523(Top 260%)
30K18.64 mi3.11 mi14300+1674383+614383+6113710(Top 47%)4236(Top 34%)4236(Top 244%)
20M20.00 mi1.36 mi14174+1264331+524331+5212944(Top 45%)3908(Top 31%)3908(Top 225%)
21M21.00 mi1.00 mi14039+1354290+414290+4112621(Top 43%)3851(Top 31%)3851(Top 222%)
35K21.75 mi0.75 mi13895+1444217+734217+7311009(Top 38%)3022(Top 24%)3022(Top 174%)
23M23.00 mi1.25 mi13743+1524164+534164+5311471(Top 40%)3342(Top 27%)3342(Top 192%)
24M24.00 mi1.00 mi13642+1014129+354129+3511710(Top 40%)3556(Top 28%)3556(Top 205%)
40K24.85 mi0.85 mi13565+774097+324097+3212219(Top 42%)3899(Top 31%)3899(Top 224%)
25.2M25.20 mi0.35 mi13509+564076+214076+2111129(Top 38%)3420(Top 27%)3420(Top 197%)
FINISH26.22 mi1.02 mi13466+434076407613038(Top 45%)4402(Top 35%)4402(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14819

Females

4626

F40-44

4626

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13796

Females

3998

F40-44

3998

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14819

Females

4626

F40-44

4626

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14664

Females

4595

F40-44

4595

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14593

Females

4480

F40-44

4480

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14422

Females

4523

F40-44

4523

25K→30K

15.5 - 18.6 mi

Top 47%
×9
+181ft-148ft

Overall

13710

Females

4236

F40-44

4236

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

12944

Females

3908

F40-44

3908

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12621

Females

3851

F40-44

3851

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

11009

Females

3022

F40-44

3022

35K→23M

21.8 - 23.0 mi

Top 40%
×5
+23ft-63ft

Overall

11471

Females

3342

F40-44

3342

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11710

Females

3556

F40-44

3556

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12219

Females

3899

F40-44

3899

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11129

Females

3420

F40-44

3420

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13038

Females

4402

F40-44

4402

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2554*
Passed By
910
Net Change
+1554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15020
5K → 10K752*94+658#15020#14362
10K → 15K166200-124#14362#14486
15K → 20K158169-11#14486#14497
20K → HALF2238-16#14497#14513
HALF → 25K158112+46#14513#14467
25K → 30K272*105+167#14467#14300
30K → 20M16640+126#14300#14174
20M → 21M16833+135#14174#14039
21M → 35K1462+144#14039#13895
35K → 23M16917+152#13895#13743
23M → 24M12524+101#13743#13642
24M → 40K10629+77#13642#13565
40K → 25.2M604+56#13565#13509
25.2M → FINISH8643+43#13509#13466
TOTALS2554*910+1554

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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