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BOSTON MARATHON 2026

Jennifer Mactaggart

Bib: 21011•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Masters (Masters Women)
#0 / 6862
Top 23%
Age Group (F55-59)
#0 / 951
Top 7%
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
24:26
3.11 mi
Rank: #15971
Start → 5K
24:26 | 7:52/mi
10K
48:58
6.21 mi
Rank: #16141 (-170)
5K → 10K
24:32 | 7:54/mi
15K
1:13:35
9.32 mi
Rank: #16220 (-79)
10K → 15K
24:37 | 7:56/mi
20K
1:38:22
12.43 mi
Rank: #16134 (+86)
15K → 20K
24:47 | 7:59/mi
HALF
1:43:37
13.11 mi
Rank: #16060 (+74)
20K → HALF
5:15 | 7:43/mi
25K
2:03:01
15.53 mi
Rank: #15933 (+127)
HALF → 25K
19:24 | 8:00/mi
30K
2:28:13
18.64 mi
Rank: #15613 (+320)
25K → 30K
25:12 | 8:07/mi
20M
2:39:24
20.00 mi
Rank: #15516 (+97)
30K → 20M
11:11 | 8:14/mi
21M
2:48:03
21.00 mi
Rank: #15387 (+129)
20M → 21M
8:39 | 8:39/mi
35K
2:54:01
21.75 mi
Rank: #15324 (+63)
21M → 35K
5:58 | 7:59/mi
23M
3:04:04
23.00 mi
Rank: #15157 (+167)
35K → 23M
10:03 | 8:02/mi
24M
3:11:45
24.00 mi
Rank: #14960 (+197)
23M → 24M
7:41 | 7:41/mi
40K
3:18:31
24.85 mi
Rank: #14824 (+136)
24M → 40K
6:46 | 7:55/mi
25.2M
3:21:27
25.20 mi
Rank: #14788 (+36)
40K → 25.2M
2:56 | 8:31/mi
FINISH
3:29:20
26.22 mi
Rank: #14720 (+68)
25.2M → FINISH
7:53 | 7:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:37
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:45:43
Pace8:04 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:0624:267:5224:26
7:52
-
10K
6.21 mi11:35:3848:587:5324:32
7:54
+0:02
15K
9.32 mi12:00:151:13:357:5424:37
7:56
+0:02
20K
12.43 mi12:25:021:38:227:5524:47
7:59
+0:03
HALF
13.11 mi12:30:171:43:377:555:15
7:43
-0:16
25K
15.53 mi12:49:412:03:017:5619:24
8:00
+0:17
30K
18.64 mi13:14:532:28:137:5825:12
8:07
+0:07
20M
20.00 mi13:26:042:39:247:5911:11
8:14
+0:07
21M
21.00 mi13:34:432:48:038:018:39
8:39
+0:25
35K
21.75 mi13:40:412:54:018:015:58
7:59
-0:40
23M
23.00 mi13:50:443:04:048:0110:03
8:02
+0:03
24M
24.00 mi13:58:253:11:458:007:41
7:41
-0:21
40K
24.85 mi14:05:113:18:318:006:46
7:55
+0:14
25.2M
25.20 mi14:08:073:21:278:002:56
8:31
+0:36
FINISH
26.22 mi14:16:003:29:208:007:53
7:45
-0:46

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

7:41 /mi

Average Pace

7:59 /mi

Slowest Pace

8:39 /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

3:17:45

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:11:0624:267:5224:26
7:52
#15971
10K
6.21 mi11:35:3848:587:5324:32
7:54
#16141
15K
9.32 mi12:00:151:13:357:5424:37
7:56
#16220
20K
12.43 mi12:25:021:38:227:5524:47
7:59
#16134
HALF
13.11 mi12:30:171:43:377:555:15
7:43
#16060
25K
15.53 mi12:49:412:03:017:5619:24
8:00
#15933
30K
18.64 mi13:14:532:28:137:5825:12
8:07
#15613
20M
20.00 mi13:26:042:39:247:5911:11
8:14
#15516
21M
21.00 mi13:34:432:48:038:018:39
8:39
#15387
35K
21.75 mi13:40:412:54:018:015:58
7:59
#15324
23M
23.00 mi13:50:443:04:048:0110:03
8:02
#15157
24M
24.00 mi13:58:253:11:458:007:41
7:41
#14960
40K
24.85 mi14:05:113:18:318:006:46
7:55
#14824
25.2M
25.20 mi14:08:073:21:278:002:56
8:31
#14788
FINISH
26.22 mi14:16:003:29:208:007:53
7:45
#14720
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi159715291529116410(Top 57%)5564(Top 44%)5564(Top 585%)
10K6.21 mi3.10 mi16141-1705427-1365427-13616440(Top 57%)5581(Top 44%)5581(Top 587%)
15K9.32 mi3.11 mi16220-795472-455472-4516410(Top 57%)5564(Top 44%)5564(Top 585%)
20K12.43 mi3.11 mi16134+865430+425430+4215948(Top 55%)5353(Top 43%)5353(Top 563%)
HALF13.11 mi0.68 mi16060+745396+345396+3414814(Top 51%)4616(Top 37%)4616(Top 485%)
25K15.53 mi2.42 mi15933+1275328+685328+6815407(Top 53%)5079(Top 40%)5079(Top 534%)
30K18.64 mi3.11 mi15613+3205170+1585170+15814288(Top 49%)4569(Top 36%)4569(Top 480%)
20M20.00 mi1.36 mi15516+975134+365134+3614487(Top 50%)4756(Top 38%)4756(Top 500%)
21M21.00 mi1.00 mi15387+1295081+535081+5314102(Top 49%)4642(Top 37%)4642(Top 488%)
35K21.75 mi0.75 mi15324+635058+235058+2314357(Top 49%)4831(Top 38%)4831(Top 508%)
23M23.00 mi1.25 mi15157+1674983+754983+7512715(Top 44%)3987(Top 32%)3987(Top 419%)
24M24.00 mi1.00 mi14960+1974890+934890+9311484(Top 40%)3448(Top 27%)3448(Top 363%)
40K24.85 mi0.85 mi14824+1364839+514839+5111938(Top 41%)3759(Top 30%)3759(Top 395%)
25.2M25.20 mi0.35 mi14788+364822+174822+1711774(Top 41%)3761(Top 30%)3761(Top 395%)
FINISH26.22 mi1.02 mi14720+684799+234799+2313318(Top 46%)4562(Top 36%)4562(Top 480%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16410

Females

5564

F55-59

5564

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16440

Females

5581

F55-59

5581

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16410

Females

5564

F55-59

5564

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15948

Females

5353

F55-59

5353

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14814

Females

4616

F55-59

4616

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15407

Females

5079

F55-59

5079

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14288

Females

4569

F55-59

4569

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14487

Females

4756

F55-59

4756

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14102

Females

4642

F55-59

4642

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14357

Females

4831

F55-59

4831

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12715

Females

3987

F55-59

3987

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11484

Females

3448

F55-59

3448

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11938

Females

3759

F55-59

3759

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11774

Females

3761

F55-59

3761

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13318

Females

4562

F55-59

4562

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2318*
Passed By
850
Net Change
+1251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15971
5K → 10K200200-170#15971#16141
10K → 15K168200-79#16141#16220
15K → 20K213*127+86#16220#16134
20K → HALF8814+74#16134#16060
HALF → 25K203*76+127#16060#15933
25K → 30K368*48+320#15933#15613
30K → 20M13942+97#15613#15516
20M → 21M16536+129#15516#15387
21M → 35K9128+63#15387#15324
35K → 23M18720+167#15324#15157
23M → 24M203*6+197#15157#14960
24M → 40K15014+136#14960#14824
40K → 25.2M448+36#14824#14788
25.2M → FINISH9931+68#14788#14720
TOTALS2318*850+1251

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing