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BOSTON MARATHON 2026

Anna Karcz

Bib: 32897β€’F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
Race Day Weather
51Β°/41Β°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
34:10
3.11 mi
Rank: #28013
Start β†’ 5K
34:10 | 11:00/mi
10K
1:08:37
6.21 mi
Rank: #27927 (+86)
5K β†’ 10K
34:27 | 11:06/mi
15K
1:43:08
9.32 mi
Rank: #27811 (+116)
10K β†’ 15K
34:31 | 11:07/mi
20K
2:18:35
12.43 mi
Rank: #27723 (+88)
15K β†’ 20K
35:27 | 11:25/mi
HALF
2:26:00
13.11 mi
Rank: #27692 (+31)
20K β†’ HALF
7:25 | 10:53/mi
25K
2:53:54
15.53 mi
Rank: #27569 (+123)
HALF β†’ 25K
27:54 | 11:31/mi
30K
3:31:42
18.64 mi
Rank: #27474 (+95)
25K β†’ 30K
37:48 | 12:10/mi
20M
3:47:39
20.00 mi
Rank: #27385 (+89)
30K β†’ 20M
15:57 | 11:45/mi
21M
4:00:16
21.00 mi
Rank: #27329 (+56)
20M β†’ 21M
12:37 | 12:37/mi
35K
4:08:27
21.75 mi
Rank: #27259 (+70)
21M β†’ 35K
8:11 | 10:57/mi
23M
4:22:04
23.00 mi
Rank: #27143 (+116)
35K β†’ 23M
13:37 | 10:53/mi
24M
4:32:44
24.00 mi
Rank: #27076 (+67)
23M β†’ 24M
10:40 | 10:40/mi
40K
4:42:27
24.85 mi
Rank: #27003 (+73)
24M β†’ 40K
9:43 | 11:22/mi
25.2M
4:46:33
25.20 mi
Rank: #26970 (+33)
40K β†’ 25.2M
4:06 | 11:54/mi
FINISH
4:57:09
26.22 mi
Rank: #26932 (+38)
25.2M β†’ FINISH
10:36 | 10:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:26:00
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time2:31:09
Pace11:32 /mi
πŸ“ŠPositive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:5334:1011:0034:10
11:00
-
10K
6.21 mi12:37:201:08:3711:0334:27
11:06
+0:06
15K
9.32 mi13:11:511:43:0811:0434:31
11:07
+0:01
20K
12.43 mi13:47:182:18:3511:1035:27
11:25
+0:18
HALF
13.11 mi13:54:432:26:0011:097:25
10:53
-0:32
25K
15.53 mi14:22:372:53:5411:1227:54
11:31
+0:38
30K
18.64 mi15:00:253:31:4211:2237:48
12:10
+0:39
20M
20.00 mi15:16:223:47:3911:2315:57
11:45
-0:25
21M
21.00 mi15:28:594:00:1611:2712:37
12:37
+0:52
35K
21.75 mi15:37:104:08:2711:268:11
10:57
-1:40
23M
23.00 mi15:50:474:22:0411:2413:37
10:53
-0:04
24M
24.00 mi16:01:274:32:4411:2210:40
10:40
-0:13
40K
24.85 mi16:11:104:42:2711:229:43
11:22
+0:42
25.2M
25.20 mi16:15:164:46:3311:234:06
11:54
+0:32
FINISH
26.22 mi16:25:524:57:0911:2110:36
10:25
-1:29

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

10:25 /mi

Average Pace

11:20 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

21:16

7% of race

Time at Steady Pace

2:22:04

48% of race

Time at Slower Pace

2:13:49

45% of race

Average Pace: 11:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi12:02:5334:1011:0034:10
11:00
#28013
10K
6.21 mi12:37:201:08:3711:0334:27
11:06
#27927
15K
9.32 mi13:11:511:43:0811:0434:31
11:07
#27811
20K
12.43 mi13:47:182:18:3511:1035:27
11:25
#27723
HALF
13.11 mi13:54:432:26:0011:097:25
10:53
#27692
25K
15.53 mi14:22:372:53:5411:1227:54
11:31
#27569
30K
18.64 mi15:00:253:31:4211:2237:48
12:10
#27474
20M
20.00 mi15:16:223:47:3911:2315:57
11:45
#27385
21M
21.00 mi15:28:594:00:1611:2712:37
12:37
#27329
35K
21.75 mi15:37:104:08:2711:268:11
10:57
#27259
23M
23.00 mi15:50:474:22:0411:2413:37
10:53
#27143
24M
24.00 mi16:01:274:32:4411:2210:40
10:40
#27076
40K
24.85 mi16:11:104:42:2711:229:43
11:22
#27003
25.2M
25.20 mi16:15:164:46:3311:234:06
11:54
#26970
FINISH
26.22 mi16:25:524:57:0911:2110:36
10:25
#26932
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 mi28013118881188827568(Top 95%)11641(Top 93%)11641(Top 652%)
10K6.21 mi3.10 mi27927+8611844+4411844+4427790(Top 96%)11780(Top 94%)11780(Top 660%)
15K9.32 mi3.11 mi27811+11611775+6911775+6927568(Top 95%)11641(Top 93%)11641(Top 652%)
20K12.43 mi3.11 mi27723+8811734+4111734+4127454(Top 95%)11584(Top 92%)11584(Top 649%)
HALF13.11 mi0.68 mi27692+3111717+1711717+1727236(Top 94%)11498(Top 91%)11498(Top 644%)
25K15.53 mi2.42 mi27569+12311649+6811649+6827018(Top 93%)11378(Top 90%)11378(Top 637%)
30K18.64 mi3.11 mi27474+9511616+3311616+3327006(Top 93%)11459(Top 91%)11459(Top 642%)
20M20.00 mi1.36 mi27385+8911571+4511571+4526061(Top 90%)11011(Top 88%)11011(Top 617%)
21M21.00 mi1.00 mi27329+5611548+2311548+2325937(Top 89%)10989(Top 87%)10989(Top 615%)
35K21.75 mi0.75 mi27259+7011506+4211506+4225189(Top 87%)10625(Top 84%)10625(Top 595%)
23M23.00 mi1.25 mi27143+11611452+5411452+5424252(Top 84%)10185(Top 81%)10185(Top 570%)
24M24.00 mi1.00 mi27076+6711419+3311419+3324444(Top 84%)10319(Top 82%)10319(Top 578%)
40K24.85 mi0.85 mi27003+7311384+3511384+3524906(Top 86%)10591(Top 84%)10591(Top 593%)
25.2M25.20 mi0.35 mi26970+3311366+1811366+1824293(Top 84%)10292(Top 82%)10292(Top 576%)
FINISH26.22 mi1.02 mi26932+3811353+1311353+1324877(Top 86%)10584(Top 84%)10584(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
Γ—21
+97ft-345ft

Overall

27568

Females

11641

F45-49

11641

5K→10K

3.1 - 6.2 mi

Top 96%
Γ—5
+79ft-138ft

Overall

27790

Females

11780

F45-49

11780

10K→15K

6.2 - 9.3 mi

Top 95%
Γ—3
+67ft-78ft

Overall

27568

Females

11641

F45-49

11641

15K→20K

9.3 - 12.4 mi

Top 95%
Γ—5
+106ft-86ft

Overall

27454

Females

11584

F45-49

11584

20K→HALF

12.4 - 13.1 mi

Top 94%
Γ—2
+19ft-37ft

Overall

27236

Females

11498

F45-49

11498

HALF→25K

13.1 - 15.5 mi

Top 93%
Γ—4
+66ft-88ft

Overall

27018

Females

11378

F45-49

11378

25K→30K

15.5 - 18.6 mi

Top 93%
Γ—9
+181ft-148ft

Overall

27006

Females

11459

F45-49

11459

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26061

Females

11011

F45-49

11011

20M→21M

20.0 - 21.0 mi

Top 89%
Γ—8
+106ft-24ft

Overall

25937

Females

10989

F45-49

10989

21M→35K

21.0 - 21.8 mi

Top 87%
Γ—7
+17ft-86ft

Overall

25189

Females

10625

F45-49

10625

35K→23M

21.8 - 23.0 mi

Top 84%
Γ—5
+23ft-63ft

Overall

24252

Females

10185

F45-49

10185

23M→24M

23.0 - 24.0 mi

Top 84%
Γ—6
+12ft-82ft

Overall

24444

Females

10319

F45-49

10319

24M→40K

24.0 - 24.9 mi

Top 86%
Γ—1
+6ft-20ft

Overall

24906

Females

10591

F45-49

10591

40K→25.2M

24.9 - 25.2 mi

Top 84%
Γ—1
+13ft-16ft

Overall

24293

Females

10292

F45-49

10292

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
Γ—2
+22ft-21ft

Overall

24877

Females

10584

F45-49

10584

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1353
Passed By
272
Net Change
+1081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#28013
5K β†’ 10K17589+86#28013#27927
10K β†’ 15K15943+116#27927#27811
15K β†’ 20K13345+88#27811#27723
20K β†’ HALF376+31#27723#27692
HALF β†’ 25K14017+123#27692#27569
25K β†’ 30K13338+95#27569#27474
30K β†’ 20M10011+89#27474#27385
20M β†’ 21M6711+56#27385#27329
21M β†’ 35K700+70#27329#27259
35K β†’ 23M1160+116#27259#27143
23M β†’ 24M714+67#27143#27076
24M β†’ 40K741+73#27076#27003
40K β†’ 25.2M341+33#27003#26970
25.2M β†’ FINISH446+38#26970#26932
TOTALS1353272+1081

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πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing