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BOSTON MARATHON 2026

Sarah Brenden

Bib: 27937•F

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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
36:40
3.11 mi
Rank: #28718
Start → 5K
36:40 | 11:49/mi
10K
1:13:56
6.21 mi
Rank: #28676 (+42)
5K → 10K
37:16 | 12:00/mi
15K
1:51:25
9.32 mi
Rank: #28592 (+84)
10K → 15K
37:29 | 12:04/mi
20K
2:30:35
12.43 mi
Rank: #28567 (+25)
15K → 20K
39:10 | 12:37/mi
HALF
2:38:43
13.11 mi
Rank: #28537 (+30)
20K → HALF
8:08 | 11:56/mi
25K
3:10:20
15.53 mi
Rank: #28503 (+34)
HALF → 25K
31:37 | 13:03/mi
30K
3:51:28
18.64 mi
Rank: #28426 (+77)
25K → 30K
41:08 | 13:15/mi
20M
4:11:01
20.00 mi
Rank: #28433 (-7)
30K → 20M
19:33 | 14:24/mi
21M
4:26:05
21.00 mi
Rank: #28433
20M → 21M
15:04 | 15:04/mi
35K
4:36:09
21.75 mi
Rank: #28440 (-7)
21M → 35K
10:04 | 13:28/mi
23M
4:53:31
23.00 mi
Rank: #28430 (+10)
35K → 23M
17:22 | 13:53/mi
24M
5:06:54
24.00 mi
Rank: #28418 (+12)
23M → 24M
13:23 | 13:23/mi
40K
5:19:06
24.85 mi
Rank: #28418
24M → 40K
12:12 | 14:17/mi
25.2M
5:24:41
25.20 mi
Rank: #28426 (-8)
40K → 25.2M
5:35 | 16:12/mi
FINISH
5:36:52
26.22 mi
Rank: #28396 (+30)
25.2M → FINISH
12:11 | 11:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:38:43
Pace12:07 /mi
2nd Half
Distance13.11 mi
Time2:58:09
Pace13:36 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:5636:4011:4936:40
11:49
-
10K
6.21 mi12:38:121:13:5611:5437:16
12:00
+0:11
15K
9.32 mi13:15:411:51:2511:5837:29
12:04
+0:04
20K
12.43 mi13:54:512:30:3512:0839:10
12:37
+0:33
HALF
13.11 mi14:02:592:38:4312:078:08
11:56
-0:41
25K
15.53 mi14:34:363:10:2012:1631:37
13:03
+1:07
30K
18.64 mi15:15:443:51:2812:2641:08
13:15
+0:12
20M
20.00 mi15:35:174:11:0112:3419:33
14:24
+1:09
21M
21.00 mi15:50:214:26:0512:4115:04
15:04
+0:40
35K
21.75 mi16:00:254:36:0912:4210:04
13:28
-1:36
23M
23.00 mi16:17:474:53:3112:4617:22
13:53
+0:25
24M
24.00 mi16:31:105:06:5412:4813:23
13:23
-0:30
40K
24.85 mi16:43:225:19:0612:5112:12
14:17
+0:54
25.2M
25.20 mi16:48:575:24:4112:545:35
16:12
+1:55
FINISH
26.22 mi17:01:085:36:5212:5212:11
11:58
-4:14

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

11:49 /mi

Average Pace

12:51 /mi

Slowest Pace

16:12 /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

2:50:54

51% of race

Time at Steady Pace

1:36:12

29% of race

Time at Slower Pace

1:09:46

21% of race

Average Pace: 12:51 /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 mi12:00:5636:4011:4936:40
11:49
#28718
10K
6.21 mi12:38:121:13:5611:5437:16
12:00
#28676
15K
9.32 mi13:15:411:51:2511:5837:29
12:04
#28592
20K
12.43 mi13:54:512:30:3512:0839:10
12:37
#28567
HALF
13.11 mi14:02:592:38:4312:078:08
11:56
#28537
25K
15.53 mi14:34:363:10:2012:1631:37
13:03
#28503
30K
18.64 mi15:15:443:51:2812:2641:08
13:15
#28426
20M
20.00 mi15:35:174:11:0112:3419:33
14:24
#28433
21M
21.00 mi15:50:214:26:0512:4115:04
15:04
#28433
35K
21.75 mi16:00:254:36:0912:4210:04
13:28
#28440
23M
23.00 mi16:17:474:53:3112:4617:22
13:53
#28430
24M
24.00 mi16:31:105:06:5412:4813:23
13:23
#28418
40K
24.85 mi16:43:225:19:0612:5112:12
14:17
#28418
25.2M
25.20 mi16:48:575:24:4112:545:35
16:12
#28426
FINISH
26.22 mi17:01:085:36:5212:5212:11
11:58
#28396
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 mi28718123681236828402(Top 98%)12176(Top 97%)12176(Top 213%)
10K6.21 mi3.10 mi28676+4212340+2812340+2828583(Top 98%)12280(Top 98%)12280(Top 215%)
15K9.32 mi3.11 mi28592+8412281+5912281+5928402(Top 98%)12176(Top 97%)12176(Top 213%)
20K12.43 mi3.11 mi28567+2512273+812273+828414(Top 98%)12189(Top 97%)12189(Top 213%)
HALF13.11 mi0.68 mi28537+3012251+2212251+2228242(Top 97%)12109(Top 96%)12109(Top 212%)
25K15.53 mi2.42 mi28503+3412236+1512236+1528259(Top 97%)12113(Top 96%)12113(Top 212%)
30K18.64 mi3.11 mi28426+7712193+4312193+4327915(Top 96%)11953(Top 95%)11953(Top 209%)
20M20.00 mi1.36 mi28433-712201-812201-828344(Top 98%)12226(Top 97%)12226(Top 214%)
21M21.00 mi1.00 mi2843312202-112202-128109(Top 97%)12118(Top 96%)12118(Top 212%)
35K21.75 mi0.75 mi28440-712210-812210-828018(Top 97%)12113(Top 96%)12113(Top 212%)
23M23.00 mi1.25 mi28430+1012208+212208+228064(Top 97%)12122(Top 96%)12122(Top 212%)
24M24.00 mi1.00 mi28418+1212204+412204+427948(Top 96%)12089(Top 96%)12089(Top 211%)
40K24.85 mi0.85 mi2841812207-312207-328085(Top 97%)12155(Top 97%)12155(Top 213%)
25.2M25.20 mi0.35 mi28426-812216-912216-928539(Top 98%)12405(Top 99%)12405(Top 217%)
FINISH26.22 mi1.02 mi28396+3012200+1612200+1627436(Top 95%)11838(Top 94%)11838(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28402

Females

12176

F18-39

12176

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28583

Females

12280

F18-39

12280

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28402

Females

12176

F18-39

12176

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28414

Females

12189

F18-39

12189

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28242

Females

12109

F18-39

12109

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28259

Females

12113

F18-39

12113

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27915

Females

11953

F18-39

11953

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28344

Females

12226

F18-39

12226

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28109

Females

12118

F18-39

12118

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28018

Females

12113

F18-39

12113

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28064

Females

12122

F18-39

12122

23M→24M

23.0 - 24.0 mi

Top 96%
×6
+12ft-82ft

Overall

27948

Females

12089

F18-39

12089

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28085

Females

12155

F18-39

12155

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1
+13ft-16ft

Overall

28539

Females

12405

F18-39

12405

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2
+22ft-21ft

Overall

27436

Females

11838

F18-39

11838

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
565
Passed By
243
Net Change
+322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28718
5K → 10K8139+42#28718#28676
10K → 15K10723+84#28676#28592
15K → 20K5833+25#28592#28567
20K → HALF355+30#28567#28537
HALF → 25K6632+34#28537#28503
25K → 30K869+77#28503#28426
30K → 20M1522-7#28426#28433
20M → 21M17170#28433#28433
21M → 35K714-7#28433#28440
35K → 23M2111+10#28440#28430
23M → 24M2311+12#28430#28418
24M → 40K15150#28418#28418
40K → 25.2M210-8#28418#28426
25.2M → FINISH322+30#28426#28396
TOTALS565243+322
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing