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BOSTON MARATHON 2026

Margaret Splaine

Bib: 28749•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
39:40
3.11 mi
Rank: #28960
Start → 5K
39:40 | 12:47/mi
10K
1:17:22
6.21 mi
Rank: #28887 (+73)
5K → 10K
37:42 | 12:09/mi
15K
1:56:23
9.32 mi
Rank: #28862 (+25)
10K → 15K
39:01 | 12:34/mi
20K
2:34:32
12.43 mi
Rank: #28741 (+121)
15K → 20K
38:09 | 12:17/mi
HALF
2:42:29
13.11 mi
Rank: #28721 (+20)
20K → HALF
7:57 | 11:40/mi
25K
3:13:44
15.53 mi
Rank: #28647 (+74)
HALF → 25K
31:15 | 12:54/mi
30K
3:55:46
18.64 mi
Rank: #28574 (+73)
25K → 30K
42:02 | 13:32/mi
20M
4:13:47
20.00 mi
Rank: #28522 (+52)
30K → 20M
18:01 | 13:16/mi
21M
4:27:03
21.00 mi
Rank: #28462 (+60)
20M → 21M
13:16 | 13:16/mi
35K
4:36:21
21.75 mi
Rank: #28443 (+19)
21M → 35K
9:18 | 12:26/mi
23M
4:52:23
23.00 mi
Rank: #28397 (+46)
35K → 23M
16:02 | 12:49/mi
24M
5:05:30
24.00 mi
Rank: #28375 (+22)
23M → 24M
13:07 | 13:07/mi
40K
5:16:32
24.85 mi
Rank: #28343 (+32)
24M → 40K
11:02 | 12:55/mi
25.2M
5:21:19
25.20 mi
Rank: #28333 (+10)
40K → 25.2M
4:47 | 13:53/mi
FINISH
5:33:17
26.22 mi
Rank: #28284 (+49)
25.2M → FINISH
11:58 | 11:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:42:29
Pace12:24 /mi
2nd Half
Distance13.11 mi
Time2:50:48
Pace13:02 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:2939:4012:4739:40
12:47
-
10K
6.21 mi12:40:111:17:2212:2837:42
12:09
-0:38
15K
9.32 mi13:19:121:56:2312:3039:01
12:34
+0:25
20K
12.43 mi13:57:212:34:3212:2738:09
12:17
-0:17
HALF
13.11 mi14:05:182:42:2912:247:57
11:40
-0:37
25K
15.53 mi14:36:333:13:4412:2931:15
12:54
+1:14
30K
18.64 mi15:18:353:55:4612:3942:02
13:32
+0:38
20M
20.00 mi15:36:364:13:4712:4218:01
13:16
-0:16
21M
21.00 mi15:49:524:27:0312:4413:16
13:16
0:00
35K
21.75 mi15:59:104:36:2112:439:18
12:26
-0:50
23M
23.00 mi16:15:124:52:2312:4316:02
12:49
+0:23
24M
24.00 mi16:28:195:05:3012:4413:07
13:07
+0:18
40K
24.85 mi16:39:215:16:3212:4511:02
12:55
-0:12
25.2M
25.20 mi16:44:085:21:1912:464:47
13:53
+0:58
FINISH
26.22 mi16:56:065:33:1712:4411:58
11:45
-2:08

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

11:40 /mi

Average Pace

12:43 /mi

Slowest Pace

13:53 /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

3:19:47

60% of race

Time at Steady Pace

2:08:43

39% of race

Time at Slower Pace

4:47

1% of race

Average Pace: 12:43 /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 mi12:02:2939:4012:4739:40
12:47
#28960
10K
6.21 mi12:40:111:17:2212:2837:42
12:09
#28887
15K
9.32 mi13:19:121:56:2312:3039:01
12:34
#28862
20K
12.43 mi13:57:212:34:3212:2738:09
12:17
#28741
HALF
13.11 mi14:05:182:42:2912:247:57
11:40
#28721
25K
15.53 mi14:36:333:13:4412:2931:15
12:54
#28647
30K
18.64 mi15:18:353:55:4612:3942:02
13:32
#28574
20M
20.00 mi15:36:364:13:4712:4218:01
13:16
#28522
21M
21.00 mi15:49:524:27:0312:4413:16
13:16
#28462
35K
21.75 mi15:59:104:36:2112:439:18
12:26
#28443
23M
23.00 mi16:15:124:52:2312:4316:02
12:49
#28397
24M
24.00 mi16:28:195:05:3012:4413:07
13:07
#28375
40K
24.85 mi16:39:215:16:3212:4511:02
12:55
#28343
25.2M
25.20 mi16:44:085:21:1912:464:47
13:53
#28333
FINISH
26.22 mi16:56:065:33:1712:4411:58
11:45
#28284
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 mi28960125401254028664(Top 99%)12337(Top 98%)12337(Top 216%)
10K6.21 mi3.10 mi28887+7312488+5212488+5228660(Top 99%)12330(Top 98%)12330(Top 216%)
15K9.32 mi3.11 mi28862+2512467+2112467+2128664(Top 99%)12337(Top 98%)12337(Top 216%)
20K12.43 mi3.11 mi28741+12112388+7912388+7928243(Top 97%)12073(Top 96%)12073(Top 211%)
HALF13.11 mi0.68 mi28721+2012377+1112377+1128051(Top 97%)11992(Top 95%)11992(Top 210%)
25K15.53 mi2.42 mi28647+7412328+4912328+4928163(Top 97%)12052(Top 96%)12052(Top 211%)
30K18.64 mi3.11 mi28574+7312290+3812290+3828104(Top 97%)12065(Top 96%)12065(Top 211%)
20M20.00 mi1.36 mi28522+5212263+2712263+2727641(Top 95%)11844(Top 94%)11844(Top 207%)
21M21.00 mi1.00 mi28462+6012224+3912224+3926667(Top 92%)11374(Top 90%)11374(Top 199%)
35K21.75 mi0.75 mi28443+1912212+1212212+1227206(Top 94%)11669(Top 93%)11669(Top 204%)
23M23.00 mi1.25 mi28397+4612186+2612186+2627131(Top 93%)11649(Top 93%)11649(Top 204%)
24M24.00 mi1.00 mi28375+2212180+612180+627749(Top 96%)11991(Top 95%)11991(Top 210%)
40K24.85 mi0.85 mi28343+3212157+2312157+2326979(Top 93%)11631(Top 92%)11631(Top 203%)
25.2M25.20 mi0.35 mi28333+1012151+612151+627118(Top 93%)11691(Top 93%)11691(Top 205%)
FINISH26.22 mi1.02 mi28284+4912127+2412127+2427169(Top 94%)11723(Top 93%)11723(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28664

Females

12337

F18-39

12337

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28660

Females

12330

F18-39

12330

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28664

Females

12337

F18-39

12337

15K→20K

9.3 - 12.4 mi

Top 97%
×5
+106ft-86ft

Overall

28243

Females

12073

F18-39

12073

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28051

Females

11992

F18-39

11992

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28163

Females

12052

F18-39

12052

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28104

Females

12065

F18-39

12065

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27641

Females

11844

F18-39

11844

20M→21M

20.0 - 21.0 mi

Top 92%
×8
+106ft-24ft

Overall

26667

Females

11374

F18-39

11374

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27206

Females

11669

F18-39

11669

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

27131

Females

11649

F18-39

11649

23M→24M

23.0 - 24.0 mi

Top 96%
×6
+12ft-82ft

Overall

27749

Females

11991

F18-39

11991

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

26979

Females

11631

F18-39

11631

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1
+13ft-16ft

Overall

27118

Females

11691

F18-39

11691

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27169

Females

11723

F18-39

11723

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
732
Passed By
56
Net Change
+676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28960
5K → 10K763+73#28960#28887
10K → 15K349+25#28887#28862
15K → 20K1221+121#28862#28741
20K → HALF211+20#28741#28721
HALF → 25K839+74#28721#28647
25K → 30K9017+73#28647#28574
30K → 20M542+52#28574#28522
20M → 21M600+60#28522#28462
21M → 35K212+19#28462#28443
35K → 23M471+46#28443#28397
23M → 24M286+22#28397#28375
24M → 40K331+32#28375#28343
40K → 25.2M133+10#28343#28333
25.2M → FINISH501+49#28333#28284
TOTALS73256+676
📊

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