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BOSTON MARATHON 2026

Lauren Mackelcan

Bib: 31307β€’F

NJ

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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
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
31:33
3.11 mi
Rank: #26381
Start β†’ 5K
31:33 | 10:10/mi
10K
1:03:09
6.21 mi
Rank: #26311 (+70)
5K β†’ 10K
31:36 | 10:11/mi
15K
1:35:02
9.32 mi
Rank: #26288 (+23)
10K β†’ 15K
31:53 | 10:16/mi
20K
2:08:35
12.43 mi
Rank: #26407 (-119)
15K β†’ 20K
33:33 | 10:48/mi
HALF
2:15:38
13.11 mi
Rank: #26405 (+2)
20K β†’ HALF
7:03 | 10:21/mi
25K
2:43:21
15.53 mi
Rank: #26495 (-90)
HALF β†’ 25K
27:43 | 11:26/mi
30K
3:21:25
18.64 mi
Rank: #26675 (-180)
25K β†’ 30K
38:04 | 12:16/mi
20M
3:38:45
20.00 mi
Rank: #26771 (-96)
30K β†’ 20M
17:20 | 12:46/mi
21M
3:52:52
21.00 mi
Rank: #26841 (-70)
20M β†’ 21M
14:07 | 14:07/mi
35K
4:02:16
21.75 mi
Rank: #26872 (-31)
21M β†’ 35K
9:24 | 12:34/mi
23M
4:18:38
23.00 mi
Rank: #26925 (-53)
35K β†’ 23M
16:22 | 13:05/mi
24M
4:30:34
24.00 mi
Rank: #26941 (-16)
23M β†’ 24M
11:56 | 11:56/mi
40K
4:40:47
24.85 mi
Rank: #26909 (+32)
24M β†’ 40K
10:13 | 11:57/mi
25.2M
4:45:02
25.20 mi
Rank: #26895 (+14)
40K β†’ 25.2M
4:15 | 12:20/mi
FINISH
4:55:51
26.22 mi
Rank: #26860 (+35)
25.2M β†’ FINISH
10:49 | 10:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:15:38
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:40:13
Pace12:14 /mi
πŸ“ŠPositive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:1931:3310:1031:33
10:10
-
10K
6.21 mi12:34:551:03:0910:1031:36
10:11
+0:01
15K
9.32 mi13:06:481:35:0210:1231:53
10:16
+0:05
20K
12.43 mi13:40:212:08:3510:2133:33
10:48
+0:32
HALF
13.11 mi13:47:242:15:3810:217:03
10:21
-0:27
25K
15.53 mi14:15:072:43:2110:3127:43
11:26
+1:05
30K
18.64 mi14:53:113:21:2510:4938:04
12:16
+0:50
20M
20.00 mi15:10:313:38:4510:5717:20
12:46
+0:30
21M
21.00 mi15:24:383:52:5211:0614:07
14:07
+1:21
35K
21.75 mi15:34:024:02:1611:099:24
12:34
-1:33
23M
23.00 mi15:50:244:18:3811:1516:22
13:05
+0:31
24M
24.00 mi16:02:204:30:3411:1711:56
11:56
-1:09
40K
24.85 mi16:12:334:40:4711:1810:13
11:57
+0:01
25.2M
25.20 mi16:16:484:45:0211:194:15
12:20
+0:23
FINISH
26.22 mi16:27:374:55:5111:1810:49
10:37
-1:43

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

10:10 /mi

Average Pace

11:18 /mi

Slowest Pace

14:07 /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

2:26:27

50% of race

Time at Steady Pace

1:32:11

31% of race

Time at Slower Pace

57:13

19% of race

Average Pace: 11:17 /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 mi12:03:1931:3310:1031:33
10:10
#26381
10K
6.21 mi12:34:551:03:0910:1031:36
10:11
#26311
15K
9.32 mi13:06:481:35:0210:1231:53
10:16
#26288
20K
12.43 mi13:40:212:08:3510:2133:33
10:48
#26407
HALF
13.11 mi13:47:242:15:3810:217:03
10:21
#26405
25K
15.53 mi14:15:072:43:2110:3127:43
11:26
#26495
30K
18.64 mi14:53:113:21:2510:4938:04
12:16
#26675
20M
20.00 mi15:10:313:38:4510:5717:20
12:46
#26771
21M
21.00 mi15:24:383:52:5211:0614:07
14:07
#26841
35K
21.75 mi15:34:024:02:1611:099:24
12:34
#26872
23M
23.00 mi15:50:244:18:3811:1516:22
13:05
#26925
24M
24.00 mi16:02:204:30:3411:1711:56
11:56
#26941
40K
24.85 mi16:12:334:40:4711:1810:13
11:57
#26909
25.2M
25.20 mi16:16:484:45:0211:194:15
12:20
#26895
FINISH
26.22 mi16:27:374:55:5111:1810:49
10:37
#26860
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 mi26381109111091126256(Top 90%)10877(Top 86%)10877(Top 626%)
10K6.21 mi3.10 mi26311+7010882+2910882+2926243(Top 90%)10860(Top 86%)10860(Top 625%)
15K9.32 mi3.11 mi26288+2310887-510887-526256(Top 90%)10877(Top 86%)10877(Top 626%)
20K12.43 mi3.11 mi26407-11910962-7510962-7526691(Top 92%)11148(Top 89%)11148(Top 642%)
HALF13.11 mi0.68 mi26405+210961+110961+126397(Top 91%)10998(Top 87%)10998(Top 633%)
25K15.53 mi2.42 mi26495-9011021-6011021-6026938(Top 93%)11330(Top 90%)11330(Top 652%)
30K18.64 mi3.11 mi26675-18011151-13011151-13027074(Top 93%)11495(Top 91%)11495(Top 662%)
20M20.00 mi1.36 mi26771-9611205-5411205-5427216(Top 94%)11608(Top 92%)11608(Top 668%)
21M21.00 mi1.00 mi26841-7011260-5511260-5527419(Top 94%)11757(Top 93%)11757(Top 677%)
35K21.75 mi0.75 mi26872-3111285-2511285-2527333(Top 94%)11720(Top 93%)11720(Top 675%)
23M23.00 mi1.25 mi26925-5311325-4011325-4027419(Top 94%)11782(Top 94%)11782(Top 678%)
24M24.00 mi1.00 mi26941-1611342-1711342-1726550(Top 91%)11391(Top 91%)11391(Top 656%)
40K24.85 mi0.85 mi26909+3211330+1211330+1225826(Top 89%)11062(Top 88%)11062(Top 637%)
25.2M25.20 mi0.35 mi26895+1411325+511325+525086(Top 86%)10679(Top 85%)10679(Top 615%)
FINISH26.22 mi1.02 mi26860+3511319+611319+625336(Top 87%)10813(Top 86%)10813(Top 623%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
Γ—21
+97ft-345ft

Overall

26256

Females

10877

F40-44

10877

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26243

Females

10860

F40-44

10860

10K→15K

6.2 - 9.3 mi

Top 90%
Γ—3
+67ft-78ft

Overall

26256

Females

10877

F40-44

10877

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26691

Females

11148

F40-44

11148

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26397

Females

10998

F40-44

10998

HALF→25K

13.1 - 15.5 mi

Top 93%
Γ—4
+66ft-88ft

Overall

26938

Females

11330

F40-44

11330

25K→30K

15.5 - 18.6 mi

Top 93%
Γ—9
+181ft-148ft

Overall

27074

Females

11495

F40-44

11495

30K→20M

18.6 - 20.0 mi

Top 94%
Γ—5
+64ft-50ft

Overall

27216

Females

11608

F40-44

11608

20M→21M

20.0 - 21.0 mi

Top 94%
Γ—8
+106ft-24ft

Overall

27419

Females

11757

F40-44

11757

21M→35K

21.0 - 21.8 mi

Top 94%
Γ—7
+17ft-86ft

Overall

27333

Females

11720

F40-44

11720

35K→23M

21.8 - 23.0 mi

Top 94%
Γ—5
+23ft-63ft

Overall

27419

Females

11782

F40-44

11782

23M→24M

23.0 - 24.0 mi

Top 91%
Γ—6
+12ft-82ft

Overall

26550

Females

11391

F40-44

11391

24M→40K

24.0 - 24.9 mi

Top 89%
Γ—1
+6ft-20ft

Overall

25826

Females

11062

F40-44

11062

40K→25.2M

24.9 - 25.2 mi

Top 86%
Γ—1
+13ft-16ft

Overall

25086

Females

10679

F40-44

10679

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
Γ—2
+22ft-21ft

Overall

25336

Females

10813

F40-44

10813

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 8 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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