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BOSTON MARATHON 2026

Alexandra Burnham

Bib: 33481•F

IL

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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 (F40-44)
#0 / 1737
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
34:37
3.11 mi
Rank: #28203
Start → 5K
34:37 | 11:09/mi
10K
1:10:45
6.21 mi
Rank: #28297 (-94)
5K → 10K
36:08 | 11:38/mi
15K
1:46:35
9.32 mi
Rank: #28213 (+84)
10K → 15K
35:50 | 11:33/mi
20K
2:22:20
12.43 mi
Rank: #28059 (+154)
15K → 20K
35:45 | 11:31/mi
HALF
2:29:52
13.11 mi
Rank: #28033 (+26)
20K → HALF
7:32 | 11:04/mi
25K
2:58:32
15.53 mi
Rank: #27934 (+99)
HALF → 25K
28:40 | 11:50/mi
30K
3:36:10
18.64 mi
Rank: #27754 (+180)
25K → 30K
37:38 | 12:07/mi
20M
3:53:09
20.00 mi
Rank: #27718 (+36)
30K → 20M
16:59 | 12:31/mi
21M
4:06:54
21.00 mi
Rank: #27694 (+24)
20M → 21M
13:45 | 13:45/mi
35K
4:16:07
21.75 mi
Rank: #27683 (+11)
21M → 35K
9:13 | 12:20/mi
23M
4:33:25
23.00 mi
Rank: #27727 (-44)
35K → 23M
17:18 | 13:50/mi
24M
4:46:16
24.00 mi
Rank: #27732 (-5)
23M → 24M
12:51 | 12:51/mi
40K
4:57:27
24.85 mi
Rank: #27721 (+11)
24M → 40K
11:11 | 13:05/mi
25.2M
5:02:52
25.20 mi
Rank: #27732 (-11)
40K → 25.2M
5:25 | 15:43/mi
FINISH
5:15:13
26.22 mi
Rank: #27729 (+3)
25.2M → FINISH
12:21 | 12:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:29:52
Pace11:26 /mi
2nd Half
Distance13.11 mi
Time2:45:21
Pace12:37 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:05:0234:3711:0934:37
11:09
-
10K
6.21 mi12:41:101:10:4511:2436:08
11:38
+0:29
15K
9.32 mi13:17:001:46:3511:2735:50
11:33
-0:05
20K
12.43 mi13:52:452:22:2011:2835:45
11:31
-0:02
HALF
13.11 mi14:00:172:29:5211:267:32
11:04
-0:27
25K
15.53 mi14:28:572:58:3211:3028:40
11:50
+0:46
30K
18.64 mi15:06:353:36:1011:3637:38
12:07
+0:17
20M
20.00 mi15:23:343:53:0911:4016:59
12:31
+0:24
21M
21.00 mi15:37:194:06:5411:4613:45
13:45
+1:14
35K
21.75 mi15:46:324:16:0711:479:13
12:20
-1:25
23M
23.00 mi16:03:504:33:2511:5417:18
13:50
+1:30
24M
24.00 mi16:16:414:46:1611:5612:51
12:51
-0:59
40K
24.85 mi16:27:524:57:2711:5911:11
13:05
+0:14
25.2M
25.20 mi16:33:175:02:5212:025:25
15:43
+2:38
FINISH
26.22 mi16:45:385:15:1312:0212:21
12:08
-3:35

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

11:04 /mi

Average Pace

12:02 /mi

Slowest Pace

15:43 /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

1:17:54

25% of race

Time at Steady Pace

2:56:49

56% of race

Time at Slower Pace

1:00:30

19% of race

Average Pace: 12:01 /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 mi12:05:0234:3711:0934:37
11:09
#28203
10K
6.21 mi12:41:101:10:4511:2436:08
11:38
#28297
15K
9.32 mi13:17:001:46:3511:2735:50
11:33
#28213
20K
12.43 mi13:52:452:22:2011:2835:45
11:31
#28059
HALF
13.11 mi14:00:172:29:5211:267:32
11:04
#28033
25K
15.53 mi14:28:572:58:3211:3028:40
11:50
#27934
30K
18.64 mi15:06:353:36:1011:3637:38
12:07
#27754
20M
20.00 mi15:23:343:53:0911:4016:59
12:31
#27718
21M
21.00 mi15:37:194:06:5411:4613:45
13:45
#27694
35K
21.75 mi15:46:324:16:0711:479:13
12:20
#27683
23M
23.00 mi16:03:504:33:2511:5417:18
13:50
#27727
24M
24.00 mi16:16:414:46:1611:5612:51
12:51
#27732
40K
24.85 mi16:27:524:57:2711:5911:11
13:05
#27721
25.2M
25.20 mi16:33:175:02:5212:025:25
15:43
#27732
FINISH
26.22 mi16:45:385:15:1312:0212:21
12:08
#27729
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 mi28203120151201528012(Top 97%)11925(Top 95%)11925(Top 687%)
10K6.21 mi3.10 mi28297-9412078-6312078-6328334(Top 98%)12114(Top 96%)12114(Top 697%)
15K9.32 mi3.11 mi28213+8412029+4912029+4928012(Top 97%)11925(Top 95%)11925(Top 687%)
20K12.43 mi3.11 mi28059+15411941+8811941+8827572(Top 95%)11659(Top 93%)11659(Top 671%)
HALF13.11 mi0.68 mi28033+2611926+1511926+1527445(Top 95%)11627(Top 92%)11627(Top 669%)
25K15.53 mi2.42 mi27934+9911871+5511871+5527353(Top 94%)11572(Top 92%)11572(Top 666%)
30K18.64 mi3.11 mi27754+18011775+9611775+9626922(Top 93%)11415(Top 91%)11415(Top 657%)
20M20.00 mi1.36 mi27718+3611765+1011765+1026962(Top 93%)11494(Top 91%)11494(Top 662%)
21M21.00 mi1.00 mi27694+2411755+1011755+1027114(Top 93%)11609(Top 92%)11609(Top 668%)
35K21.75 mi0.75 mi27683+1111758-311758-327101(Top 93%)11615(Top 92%)11615(Top 669%)
23M23.00 mi1.25 mi27727-4411789-3111789-3128021(Top 97%)12093(Top 96%)12093(Top 696%)
24M24.00 mi1.00 mi27732-511797-811797-827525(Top 95%)11881(Top 94%)11881(Top 684%)
40K24.85 mi0.85 mi27721+1111801-411801-427134(Top 93%)11699(Top 93%)11699(Top 674%)
25.2M25.20 mi0.35 mi27732-1111807-611807-628298(Top 98%)12288(Top 98%)12288(Top 707%)
FINISH26.22 mi1.02 mi27729+311812-511812-527581(Top 95%)11911(Top 95%)11911(Top 686%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28012

Females

11925

F40-44

11925

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28334

Females

12114

F40-44

12114

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28012

Females

11925

F40-44

11925

15K→20K

9.3 - 12.4 mi

Top 95%
×5
+106ft-86ft

Overall

27572

Females

11659

F40-44

11659

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27445

Females

11627

F40-44

11627

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27353

Females

11572

F40-44

11572

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

26922

Females

11415

F40-44

11415

30K→20M

18.6 - 20.0 mi

Top 93%
×5
+64ft-50ft

Overall

26962

Females

11494

F40-44

11494

20M→21M

20.0 - 21.0 mi

Top 93%
×8
+106ft-24ft

Overall

27114

Females

11609

F40-44

11609

21M→35K

21.0 - 21.8 mi

Top 93%
×7
+17ft-86ft

Overall

27101

Females

11615

F40-44

11615

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28021

Females

12093

F40-44

12093

23M→24M

23.0 - 24.0 mi

Top 95%
×6
+12ft-82ft

Overall

27525

Females

11881

F40-44

11881

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

27134

Females

11699

F40-44

11699

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1
+13ft-16ft

Overall

28298

Females

12288

F40-44

12288

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2
+22ft-21ft

Overall

27581

Females

11911

F40-44

11911

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
881
Passed By
407
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28203
5K → 10K66160-94#28203#28297
10K → 15K12440+84#28297#28213
15K → 20K1617+154#28213#28059
20K → HALF293+26#28059#28033
HALF → 25K11617+99#28033#27934
25K → 30K19515+180#27934#27754
30K → 20M5014+36#27754#27718
20M → 21M3713+24#27718#27694
21M → 35K187+11#27694#27683
35K → 23M2165-44#27683#27727
23M → 24M1520-5#27727#27732
24M → 40K2312+11#27732#27721
40K → 25.2M617-11#27721#27732
25.2M → FINISH2017+3#27732#27729
TOTALS881407+474
📊

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