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BOSTON MARATHON 2026

Isabelle Shakespeare

Bib: 31470β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
33:31
3.11 mi
Rank: #27694
Start β†’ 5K
33:31 | 10:48/mi
10K
1:06:54
6.21 mi
Rank: #27500 (+194)
5K β†’ 10K
33:23 | 10:45/mi
15K
1:39:38
9.32 mi
Rank: #27250 (+250)
10K β†’ 15K
32:44 | 10:33/mi
20K
2:14:17
12.43 mi
Rank: #27226 (+24)
15K β†’ 20K
34:39 | 11:10/mi
HALF
2:21:23
13.11 mi
Rank: #27185 (+41)
20K β†’ HALF
7:06 | 10:25/mi
25K
2:47:36
15.53 mi
Rank: #26999 (+186)
HALF β†’ 25K
26:13 | 10:49/mi
30K
3:25:47
18.64 mi
Rank: #27049 (-50)
25K β†’ 30K
38:11 | 12:18/mi
20M
3:41:06
20.00 mi
Rank: #26947 (+102)
30K β†’ 20M
15:19 | 11:17/mi
21M
3:52:51
21.00 mi
Rank: #26838 (+109)
20M β†’ 21M
11:45 | 11:45/mi
35K
4:01:52
21.75 mi
Rank: #26843 (-5)
21M β†’ 35K
9:01 | 12:04/mi
23M
4:16:00
23.00 mi
Rank: #26764 (+79)
35K β†’ 23M
14:08 | 11:18/mi
24M
4:26:50
24.00 mi
Rank: #26680 (+84)
23M β†’ 24M
10:50 | 10:50/mi
40K
4:36:22
24.85 mi
Rank: #26623 (+57)
24M β†’ 40K
9:32 | 11:10/mi
25.2M
4:40:16
25.20 mi
Rank: #26568 (+55)
40K β†’ 25.2M
3:54 | 11:19/mi
FINISH
4:50:17
26.22 mi
Rank: #26487 (+81)
25.2M β†’ FINISH
10:01 | 9:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:21:23
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time2:28:54
Pace11:22 /mi
πŸ“ŠPositive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:1333:3110:4833:31
10:48
-
10K
6.21 mi12:36:361:06:5410:4633:23
10:45
-0:03
15K
9.32 mi13:09:201:39:3810:4232:44
10:33
-0:12
20K
12.43 mi13:43:592:14:1710:4934:39
11:10
+0:37
HALF
13.11 mi13:51:052:21:2310:487:06
10:25
-0:45
25K
15.53 mi14:17:182:47:3610:4826:13
10:49
+0:24
30K
18.64 mi14:55:293:25:4711:0338:11
12:18
+1:29
20M
20.00 mi15:10:483:41:0611:0415:19
11:17
-1:01
21M
21.00 mi15:22:333:52:5111:0611:45
11:45
+0:28
35K
21.75 mi15:31:344:01:5211:089:01
12:04
+0:19
23M
23.00 mi15:45:424:16:0011:0814:08
11:18
-0:46
24M
24.00 mi15:56:324:26:5011:0810:50
10:50
-0:28
40K
24.85 mi16:06:044:36:2211:089:32
11:10
+0:20
25.2M
25.20 mi16:09:584:40:1611:083:54
11:19
+0:09
FINISH
26.22 mi16:19:594:50:1711:0510:01
9:50
-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

9:50 /mi

Average Pace

11:05 /mi

Slowest Pace

12:18 /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

2:33:48

53% of race

Time at Steady Pace

1:17:32

27% of race

Time at Slower Pace

58:57

20% of race

Average Pace: 11:04 /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 mi12:03:1333:3110:4833:31
10:48
#27694
10K
6.21 mi12:36:361:06:5410:4633:23
10:45
#27500
15K
9.32 mi13:09:201:39:3810:4232:44
10:33
#27250
20K
12.43 mi13:43:592:14:1710:4934:39
11:10
#27226
HALF
13.11 mi13:51:052:21:2310:487:06
10:25
#27185
25K
15.53 mi14:17:182:47:3610:4826:13
10:49
#26999
30K
18.64 mi14:55:293:25:4711:0338:11
12:18
#27049
20M
20.00 mi15:10:483:41:0611:0415:19
11:17
#26947
21M
21.00 mi15:22:333:52:5111:0611:45
11:45
#26838
35K
21.75 mi15:31:344:01:5211:089:01
12:04
#26843
23M
23.00 mi15:45:424:16:0011:0814:08
11:18
#26764
24M
24.00 mi15:56:324:26:5011:0810:50
10:50
#26680
40K
24.85 mi16:06:044:36:2211:089:32
11:10
#26623
25.2M
25.20 mi16:09:584:40:1611:083:54
11:19
#26568
FINISH
26.22 mi16:19:594:50:1711:0510:01
9:50
#26487
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27694116821168226763(Top 92%)11165(Top 89%)11165(Top 195%)
10K6.21 mi3.10 mi27500+19411577+10511577+10527337(Top 94%)11495(Top 91%)11495(Top 201%)
15K9.32 mi3.11 mi27250+25011441+13611441+13626763(Top 92%)11165(Top 89%)11165(Top 195%)
20K12.43 mi3.11 mi27226+2411423+1811423+1827158(Top 94%)11398(Top 91%)11398(Top 199%)
HALF13.11 mi0.68 mi27185+4111403+2011403+2026529(Top 91%)11079(Top 88%)11079(Top 194%)
25K15.53 mi2.42 mi26999+18611307+9611307+9626031(Top 90%)10814(Top 86%)10814(Top 189%)
30K18.64 mi3.11 mi27049-5011368-6111368-6127126(Top 93%)11525(Top 92%)11525(Top 202%)
20M20.00 mi1.36 mi26947+10211320+4811320+4825396(Top 88%)10657(Top 85%)10657(Top 186%)
21M21.00 mi1.00 mi26838+10911258+6211258+6224656(Top 85%)10328(Top 82%)10328(Top 181%)
35K21.75 mi0.75 mi26843-511271-1311271-1326788(Top 92%)11453(Top 91%)11453(Top 200%)
23M23.00 mi1.25 mi26764+7911235+3611235+3625081(Top 86%)10612(Top 84%)10612(Top 186%)
24M24.00 mi1.00 mi26680+8411204+3111204+3124794(Top 85%)10498(Top 83%)10498(Top 184%)
40K24.85 mi0.85 mi26623+5711178+2611178+2624561(Top 85%)10427(Top 83%)10427(Top 182%)
25.2M25.20 mi0.35 mi26568+5511150+2811150+2823166(Top 80%)9713(Top 77%)9713(Top 170%)
FINISH26.22 mi1.02 mi26487+8111115+3511115+3523396(Top 81%)9818(Top 78%)9818(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26763

Females

11165

F18-39

11165

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27337

Females

11495

F18-39

11495

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26763

Females

11165

F18-39

11165

15K→20K

9.3 - 12.4 mi

Top 94%
Γ—5
+106ft-86ft

Overall

27158

Females

11398

F18-39

11398

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26529

Females

11079

F18-39

11079

HALF→25K

13.1 - 15.5 mi

Top 90%
Γ—4
+66ft-88ft

Overall

26031

Females

10814

F18-39

10814

25K→30K

15.5 - 18.6 mi

Top 93%
Γ—9
+181ft-148ft

Overall

27126

Females

11525

F18-39

11525

30K→20M

18.6 - 20.0 mi

Top 88%
Γ—5
+64ft-50ft

Overall

25396

Females

10657

F18-39

10657

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24656

Females

10328

F18-39

10328

21M→35K

21.0 - 21.8 mi

Top 92%
Γ—7
+17ft-86ft

Overall

26788

Females

11453

F18-39

11453

35K→23M

21.8 - 23.0 mi

Top 86%
Γ—5
+23ft-63ft

Overall

25081

Females

10612

F18-39

10612

23M→24M

23.0 - 24.0 mi

Top 85%
Γ—6
+12ft-82ft

Overall

24794

Females

10498

F18-39

10498

24M→40K

24.0 - 24.9 mi

Top 85%
Γ—1
+6ft-20ft

Overall

24561

Females

10427

F18-39

10427

40K→25.2M

24.9 - 25.2 mi

Top 80%
Γ—1
+13ft-16ft

Overall

23166

Females

9713

F18-39

9713

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
Γ—2
+22ft-21ft

Overall

23396

Females

9818

F18-39

9818

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1617*
Passed By
410
Net Change
+1207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27694
5K β†’ 10K280*86+194#27694#27500
10K β†’ 15K275*25+250#27500#27250
15K β†’ 20K11793+24#27250#27226
20K β†’ HALF432+41#27226#27185
HALF β†’ 25K1937+186#27185#26999
25K β†’ 30K83133-50#26999#27049
30K β†’ 20M1064+102#27049#26947
20M β†’ 21M1156+109#26947#26838
21M β†’ 35K2530-5#26838#26843
35K β†’ 23M878+79#26843#26764
23M β†’ 24M873+84#26764#26680
24M β†’ 40K669+57#26680#26623
40K β†’ 25.2M550+55#26623#26568
25.2M β†’ FINISH854+81#26568#26487
TOTALS1617*410+1207

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

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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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