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BOSTON MARATHON 2026

Jennifer Hartling

Bib: 27802•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
37:31
3.11 mi
Rank: #28826
Start → 5K
37:31 | 12:05/mi
10K
1:15:50
6.21 mi
Rank: #28817 (+9)
5K → 10K
38:19 | 12:20/mi
15K
1:55:23
9.32 mi
Rank: #28815 (+2)
10K → 15K
39:33 | 12:44/mi
20K
2:35:14
12.43 mi
Rank: #28762 (+53)
15K → 20K
39:51 | 12:50/mi
HALF
2:43:26
13.11 mi
Rank: #28750 (+12)
20K → HALF
8:12 | 12:02/mi
25K
3:15:13
15.53 mi
Rank: #28700 (+50)
HALF → 25K
31:47 | 13:07/mi
30K
3:57:49
18.64 mi
Rank: #28635 (+65)
25K → 30K
42:36 | 13:43/mi
20M
4:17:14
20.00 mi
Rank: #28621 (+14)
30K → 20M
19:25 | 14:18/mi
21M
4:32:35
21.00 mi
Rank: #28611 (+10)
20M → 21M
15:21 | 15:21/mi
35K
4:42:35
21.75 mi
Rank: #28606 (+5)
21M → 35K
10:00 | 13:22/mi
23M
4:59:26
23.00 mi
Rank: #28578 (+28)
35K → 23M
16:51 | 13:28/mi
24M
5:13:19
24.00 mi
Rank: #28581 (-3)
23M → 24M
13:53 | 13:53/mi
40K
5:25:30
24.85 mi
Rank: #28572 (+9)
24M → 40K
12:11 | 14:15/mi
25.2M
5:30:45
25.20 mi
Rank: #28572
40K → 25.2M
5:15 | 15:14/mi
FINISH
5:44:01
26.22 mi
Rank: #28575 (-3)
25.2M → FINISH
13:16 | 13:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:43:26
Pace12:29 /mi
2nd Half
Distance13.11 mi
Time3:00:35
Pace13:47 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:4437:3112:0537:31
12:05
-
10K
6.21 mi12:39:031:15:5012:1338:19
12:20
+0:15
15K
9.32 mi13:18:361:55:2312:2339:33
12:44
+0:24
20K
12.43 mi13:58:272:35:1412:3039:51
12:50
+0:06
HALF
13.11 mi14:06:392:43:2612:298:12
12:02
-0:48
25K
15.53 mi14:38:263:15:1312:3531:47
13:07
+1:05
30K
18.64 mi15:21:023:57:4912:4642:36
13:43
+0:36
20M
20.00 mi15:40:274:17:1412:5219:25
14:18
+0:35
21M
21.00 mi15:55:484:32:3512:5915:21
15:21
+1:03
35K
21.75 mi16:05:484:42:3513:0010:00
13:22
-1:59
23M
23.00 mi16:22:394:59:2613:0216:51
13:28
+0:06
24M
24.00 mi16:36:325:13:1913:0413:53
13:53
+0:25
40K
24.85 mi16:48:435:25:3013:0612:11
14:15
+0:22
25.2M
25.20 mi16:53:585:30:4513:085:15
15:14
+0:59
FINISH
26.22 mi17:07:145:44:0113:0813:16
13:02
-2:12

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

12:02 /mi

Average Pace

13:08 /mi

Slowest Pace

15:21 /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

2:43:26

48% of race

Time at Steady Pace

1:54:30

33% of race

Time at Slower Pace

1:06:05

19% of race

Average Pace: 13:07 /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 mi12:00:4437:3112:0537:31
12:05
#28826
10K
6.21 mi12:39:031:15:5012:1338:19
12:20
#28817
15K
9.32 mi13:18:361:55:2312:2339:33
12:44
#28815
20K
12.43 mi13:58:272:35:1412:3039:51
12:50
#28762
HALF
13.11 mi14:06:392:43:2612:298:12
12:02
#28750
25K
15.53 mi14:38:263:15:1312:3531:47
13:07
#28700
30K
18.64 mi15:21:023:57:4912:4642:36
13:43
#28635
20M
20.00 mi15:40:274:17:1412:5219:25
14:18
#28621
21M
21.00 mi15:55:484:32:3512:5915:21
15:21
#28611
35K
21.75 mi16:05:484:42:3513:0010:00
13:22
#28606
23M
23.00 mi16:22:394:59:2613:0216:51
13:28
#28578
24M
24.00 mi16:36:325:13:1913:0413:53
13:53
#28581
40K
24.85 mi16:48:435:25:3013:0612:11
14:15
#28572
25.2M
25.20 mi16:53:585:30:4513:085:15
15:14
#28572
FINISH
26.22 mi17:07:145:44:0113:0813:16
13:02
#28575
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 mi28826124451244528749(Top 99%)12397(Top 99%)12397(Top 217%)
10K6.21 mi3.10 mi28817+912440+512440+528760(Top 99%)12403(Top 99%)12403(Top 217%)
15K9.32 mi3.11 mi28815+212434+612434+628749(Top 99%)12397(Top 99%)12397(Top 217%)
20K12.43 mi3.11 mi28762+5312403+3112403+3128540(Top 98%)12276(Top 98%)12276(Top 215%)
HALF13.11 mi0.68 mi28750+1212397+612397+628299(Top 98%)12144(Top 97%)12144(Top 212%)
25K15.53 mi2.42 mi28700+5012364+3312364+3328290(Top 97%)12132(Top 96%)12132(Top 212%)
30K18.64 mi3.11 mi28635+6512326+3812326+3828203(Top 97%)12131(Top 96%)12131(Top 212%)
20M20.00 mi1.36 mi28621+1412322+412322+428292(Top 97%)12197(Top 97%)12197(Top 213%)
21M21.00 mi1.00 mi28611+1012319+312319+328264(Top 97%)12206(Top 97%)12206(Top 214%)
35K21.75 mi0.75 mi28606+512320-112320-127963(Top 96%)12079(Top 96%)12079(Top 211%)
23M23.00 mi1.25 mi28578+2812306+1412306+1427776(Top 96%)11960(Top 95%)11960(Top 209%)
24M24.00 mi1.00 mi28581-312308-212308-228286(Top 97%)12261(Top 97%)12261(Top 215%)
40K24.85 mi0.85 mi28572+912303+512303+528073(Top 97%)12150(Top 97%)12150(Top 213%)
25.2M25.20 mi0.35 mi2857212304-112304-128058(Top 97%)12156(Top 97%)12156(Top 213%)
FINISH26.22 mi1.02 mi28575-312305-112305-128231(Top 97%)12236(Top 97%)12236(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28749

Females

12397

F18-39

12397

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28760

Females

12403

F18-39

12403

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28749

Females

12397

F18-39

12397

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28540

Females

12276

F18-39

12276

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28299

Females

12144

F18-39

12144

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28290

Females

12132

F18-39

12132

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28203

Females

12131

F18-39

12131

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28292

Females

12197

F18-39

12197

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28264

Females

12206

F18-39

12206

21M→35K

21.0 - 21.8 mi

Top 96%
×7
+17ft-86ft

Overall

27963

Females

12079

F18-39

12079

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27776

Females

11960

F18-39

11960

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28286

Females

12261

F18-39

12261

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28073

Females

12150

F18-39

12150

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28058

Females

12156

F18-39

12156

25.2M→FINISH

25.2 - 26.2 mi

Top 97%
×2
+22ft-21ft

Overall

28231

Females

12236

F18-39

12236

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
417
Passed By
166
Net Change
+251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28826
5K → 10K4334+9#28826#28817
10K → 15K3230+2#28817#28815
15K → 20K6815+53#28815#28762
20K → HALF153+12#28762#28750
HALF → 25K555+50#28750#28700
25K → 30K8015+65#28700#28635
30K → 20M217+14#28635#28621
20M → 21M2010+10#28621#28611
21M → 35K105+5#28611#28606
35K → 23M291+28#28606#28578
23M → 24M1013-3#28578#28581
24M → 40K189+9#28581#28572
40K → 25.2M440#28572#28572
25.2M → FINISH1215-3#28572#28575
TOTALS417166+251
📊

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