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BOSTON MARATHON 2026

Kailyn Stonebraker

Bib: 11101•F

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 19%
Gender (Female)
#0 / 12578
Top 4%
Age Group (F18-39)
#0 / 5716
Top 8%
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
21:23
3.11 mi
Rank: #7602
Start → 5K
21:23 | 6:53/mi
10K
42:37
6.21 mi
Rank: #7453 (+149)
5K → 10K
21:14 | 6:51/mi
15K
1:03:40
9.32 mi
Rank: #7160 (+293)
10K → 15K
21:03 | 6:47/mi
20K
1:24:44
12.43 mi
Rank: #6815 (+345)
15K → 20K
21:04 | 6:47/mi
HALF
1:29:16
13.11 mi
Rank: #6746 (+69)
20K → HALF
4:32 | 6:40/mi
25K
1:45:44
15.53 mi
Rank: #6547 (+199)
HALF → 25K
16:28 | 6:48/mi
30K
2:07:00
18.64 mi
Rank: #6151 (+396)
25K → 30K
21:16 | 6:51/mi
20M
2:16:14
20.00 mi
Rank: #5956 (+195)
30K → 20M
9:14 | 6:48/mi
21M
2:23:28
21.00 mi
Rank: #5857 (+99)
20M → 21M
7:14 | 7:14/mi
35K
2:28:26
21.75 mi
Rank: #5800 (+57)
21M → 35K
4:58 | 6:39/mi
23M
2:37:05
23.00 mi
Rank: #5681 (+119)
35K → 23M
8:39 | 6:55/mi
24M
2:43:47
24.00 mi
Rank: #5603 (+78)
23M → 24M
6:42 | 6:42/mi
40K
2:49:37
24.85 mi
Rank: #5534 (+69)
24M → 40K
5:50 | 6:50/mi
25.2M
2:52:11
25.20 mi
Rank: #5515 (+19)
40K → 25.2M
2:34 | 7:27/mi
FINISH
2:58:51
26.22 mi
Rank: #5431 (+84)
25.2M → FINISH
6:40 | 6:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:29:16
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:35
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:4521:236:5321:23
6:53
-
10K
6.21 mi11:00:5942:376:5221:14
6:51
-0:02
15K
9.32 mi11:22:021:03:406:5021:03
6:47
-0:04
20K
12.43 mi11:43:061:24:446:5021:04
6:47
0:00
HALF
13.11 mi11:47:381:29:166:494:32
6:40
-0:07
25K
15.53 mi12:04:061:45:446:4916:28
6:48
+0:08
30K
18.64 mi12:25:222:07:006:4921:16
6:51
+0:03
20M
20.00 mi12:34:362:16:146:499:14
6:48
-0:03
21M
21.00 mi12:41:502:23:286:507:14
7:14
+0:26
35K
21.75 mi12:46:482:28:266:504:58
6:39
-0:35
23M
23.00 mi12:55:272:37:056:508:39
6:55
+0:16
24M
24.00 mi13:02:092:43:476:506:42
6:42
-0:13
40K
24.85 mi13:07:592:49:376:505:50
6:50
+0:08
25.2M
25.20 mi13:10:332:52:116:502:34
7:27
+0:37
FINISH
26.22 mi13:17:132:58:516:506:40
6:33
-0:54

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

6:33 /mi

Average Pace

6:50 /mi

Slowest Pace

7:27 /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

2:49:03

95% of race

Time at Steady Pace

9:48

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:39:4521:236:5321:23
6:53
#7602
10K
6.21 mi11:00:5942:376:5221:14
6:51
#7453
15K
9.32 mi11:22:021:03:406:5021:03
6:47
#7160
20K
12.43 mi11:43:061:24:446:5021:04
6:47
#6815
HALF
13.11 mi11:47:381:29:166:494:32
6:40
#6746
25K
15.53 mi12:04:061:45:446:4916:28
6:48
#6547
30K
18.64 mi12:25:222:07:006:4921:16
6:51
#6151
20M
20.00 mi12:34:362:16:146:499:14
6:48
#5956
21M
21.00 mi12:41:502:23:286:507:14
7:14
#5857
35K
21.75 mi12:46:482:28:266:504:58
6:39
#5800
23M
23.00 mi12:55:272:37:056:508:39
6:55
#5681
24M
24.00 mi13:02:092:43:476:506:42
6:42
#5603
40K
24.85 mi13:07:592:49:376:505:50
6:50
#5534
25.2M
25.20 mi13:10:332:52:116:502:34
7:27
#5515
FINISH
26.22 mi13:17:132:58:516:506:40
6:33
#5431
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 mi76029479476595(Top 23%)696(Top 6%)696(Top 12%)
10K6.21 mi3.10 mi7453+149910+37910+377336(Top 25%)881(Top 7%)881(Top 15%)
15K9.32 mi3.11 mi7160+293828+82828+826595(Top 23%)696(Top 6%)696(Top 12%)
20K12.43 mi3.11 mi6815+345740+88740+886021(Top 21%)592(Top 5%)592(Top 10%)
HALF13.11 mi0.68 mi6746+69728+12728+125784(Top 20%)537(Top 4%)537(Top 9%)
25K15.53 mi2.42 mi6547+199681+47681+475714(Top 20%)551(Top 4%)551(Top 10%)
30K18.64 mi3.11 mi6151+396614+67614+674751(Top 16%)417(Top 3%)417(Top 7%)
20M20.00 mi1.36 mi5956+195577+37577+374171(Top 14%)358(Top 3%)358(Top 6%)
21M21.00 mi1.00 mi5857+99565+12565+124874(Top 17%)565(Top 4%)565(Top 10%)
35K21.75 mi0.75 mi5800+575655654563(Top 16%)475(Top 4%)475(Top 8%)
23M23.00 mi1.25 mi5681+119541+24541+244874(Top 17%)565(Top 4%)565(Top 10%)
24M24.00 mi1.00 mi5603+78538+3538+34493(Top 15%)531(Top 4%)531(Top 9%)
40K24.85 mi0.85 mi5534+69526+12526+124395(Top 15%)557(Top 4%)557(Top 10%)
25.2M25.20 mi0.35 mi5515+19529-3529-34974(Top 17%)742(Top 6%)742(Top 13%)
FINISH26.22 mi1.02 mi5431+84524+5524+54432(Top 15%)623(Top 5%)623(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21
+97ft-345ft

Overall

6595

Females

696

F18-39

696

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7336

Females

881

F18-39

881

10K→15K

6.2 - 9.3 mi

Top 23%
×3
+67ft-78ft

Overall

6595

Females

696

F18-39

696

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6021

Females

592

F18-39

592

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5784

Females

537

F18-39

537

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5714

Females

551

F18-39

551

25K→30K

15.5 - 18.6 mi

Top 16%
×9
+181ft-148ft

Overall

4751

Females

417

F18-39

417

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

4171

Females

358

F18-39

358

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

4874

Females

565

F18-39

565

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4563

Females

475

F18-39

475

35K→23M

21.8 - 23.0 mi

Top 17%
×5
+23ft-63ft

Overall

4874

Females

565

F18-39

565

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4493

Females

531

F18-39

531

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4395

Females

557

F18-39

557

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

4974

Females

742

F18-39

742

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
×2
+22ft-21ft

Overall

4432

Females

623

F18-39

623

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2564
Passed By
393
Net Change
+2171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7602
5K → 10K299150+149#7602#7453
10K → 15K32936+293#7453#7160
15K → 20K36924+345#7160#6815
20K → HALF767+69#6815#6746
HALF → 25K22526+199#6746#6547
25K → 30K4048+396#6547#6151
30K → 20M2016+195#6151#5956
20M → 21M12627+99#5956#5857
21M → 35K658+57#5857#5800
35K → 23M14627+119#5800#5681
23M → 24M9820+78#5681#5603
24M → 40K8415+69#5603#5534
40K → 25.2M3112+19#5534#5515
25.2M → FINISH11127+84#5515#5431
TOTALS2564393+2171
📊

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