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BOSTON MARATHON 2026

Laura Heintz

Bib: 10523 •F •Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 16%
Gender (Female)
#0 / 12578
Top 3%
Masters (Masters Women)
#0 / 6862
Top 0.5%
Age Group (F45-49)
#0 / 1786
Top 0.4%
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
20:55
3.11 mi
Rank: #6220
Start → 5K
20:55 | 6:44/mi
10K
41:47
6.21 mi
Rank: #6153 (+67)
5K → 10K
20:52 | 6:43/mi
15K
1:02:33
9.32 mi
Rank: #5938 (+215)
10K → 15K
20:46 | 6:42/mi
20K
1:23:31
12.43 mi
Rank: #5816 (+122)
15K → 20K
20:58 | 6:45/mi
HALF
1:28:02
13.11 mi
Rank: #5791 (+25)
20K → HALF
4:31 | 6:38/mi
25K
1:44:16
15.53 mi
Rank: #5620 (+171)
HALF → 25K
16:14 | 6:42/mi
30K
2:05:32
18.64 mi
Rank: #5396 (+224)
25K → 30K
21:16 | 6:51/mi
20M
2:14:51
20.00 mi
Rank: #5312 (+84)
30K → 20M
9:19 | 6:52/mi
21M
2:22:01
21.00 mi
Rank: #5235 (+77)
20M → 21M
7:10 | 7:10/mi
35K
2:26:57
21.75 mi
Rank: #5155 (+80)
21M → 35K
4:56 | 6:36/mi
23M
2:35:26
23.00 mi
Rank: #5045 (+110)
35K → 23M
8:29 | 6:47/mi
24M
2:42:03
24.00 mi
Rank: #4953 (+92)
23M → 24M
6:37 | 6:37/mi
40K
2:47:43
24.85 mi
Rank: #4834 (+119)
24M → 40K
5:40 | 6:38/mi
25.2M
2:50:14
25.20 mi
Rank: #4800 (+34)
40K → 25.2M
2:31 | 7:18/mi
FINISH
2:56:52
26.22 mi
Rank: #4749 (+51)
25.2M → FINISH
6:38 | 6:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:02
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:0820:556:4420:55
6:44
-
10K
6.21 mi10:59:0041:476:4420:52
6:43
-0:01
15K
9.32 mi11:19:461:02:336:4320:46
6:42
-0:01
20K
12.43 mi11:40:441:23:316:4420:58
6:45
+0:03
HALF
13.11 mi11:45:151:28:026:434:31
6:38
-0:07
25K
15.53 mi12:01:291:44:166:4316:14
6:42
+0:04
30K
18.64 mi12:22:452:05:326:4521:16
6:51
+0:09
20M
20.00 mi12:32:042:14:516:459:19
6:52
+0:01
21M
21.00 mi12:39:142:22:016:467:10
7:10
+0:18
35K
21.75 mi12:44:102:26:576:464:56
6:36
-0:34
23M
23.00 mi12:52:392:35:266:468:29
6:47
+0:11
24M
24.00 mi12:59:162:42:036:466:37
6:37
-0:10
40K
24.85 mi13:04:562:47:436:455:40
6:38
+0:01
25.2M
25.20 mi13:07:272:50:146:462:31
7:18
+0:40
FINISH
26.22 mi13:14:052:56:526:466:38
6:31
-0:47

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

6:31 /mi

Average Pace

6:45 /mi

Slowest Pace

7:18 /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

2:54:21

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:38:0820:556:4420:55
6:44
#6220
10K
6.21 mi10:59:0041:476:4420:52
6:43
#6153
15K
9.32 mi11:19:461:02:336:4320:46
6:42
#5938
20K
12.43 mi11:40:441:23:316:4420:58
6:45
#5816
HALF
13.11 mi11:45:151:28:026:434:31
6:38
#5791
25K
15.53 mi12:01:291:44:166:4316:14
6:42
#5620
30K
18.64 mi12:22:452:05:326:4521:16
6:51
#5396
20M
20.00 mi12:32:042:14:516:459:19
6:52
#5312
21M
21.00 mi12:39:142:22:016:467:10
7:10
#5235
35K
21.75 mi12:44:102:26:576:464:56
6:36
#5155
23M
23.00 mi12:52:392:35:266:468:29
6:47
#5045
24M
24.00 mi12:59:162:42:036:466:37
6:37
#4953
40K
24.85 mi13:04:562:47:436:455:40
6:38
#4834
25.2M
25.20 mi13:07:272:50:146:462:31
7:18
#4800
FINISH
26.22 mi13:14:052:56:526:466:38
6:31
#4749
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi62205645645720(Top 20%)482(Top 4%)482(Top 27%)
10K6.21 mi3.10 mi6153+67551+13551+136143(Top 21%)552(Top 4%)552(Top 31%)
15K9.32 mi3.11 mi5938+215499+52499+525720(Top 20%)482(Top 4%)482(Top 27%)
20K12.43 mi3.11 mi5816+122480+19480+195681(Top 20%)497(Top 4%)497(Top 28%)
HALF13.11 mi0.68 mi5791+25475+5475+55571(Top 19%)477(Top 4%)477(Top 27%)
25K15.53 mi2.42 mi5620+171456+19456+194874(Top 17%)370(Top 3%)370(Top 21%)
30K18.64 mi3.11 mi5396+224424+32424+324744(Top 16%)410(Top 3%)410(Top 23%)
20M20.00 mi1.36 mi5312+84417+7417+74590(Top 16%)428(Top 3%)428(Top 24%)
21M21.00 mi1.00 mi5235+77415+2415+24473(Top 15%)472(Top 4%)472(Top 26%)
35K21.75 mi0.75 mi5155+80405+10405+104256(Top 15%)409(Top 3%)409(Top 23%)
23M23.00 mi1.25 mi5045+110395+10395+103996(Top 14%)395(Top 3%)395(Top 22%)
24M24.00 mi1.00 mi4953+92392+3392+33896(Top 13%)395(Top 3%)395(Top 22%)
40K24.85 mi0.85 mi4834+119387+5387+53243(Top 11%)311(Top 2%)311(Top 17%)
25.2M25.20 mi0.35 mi4800+34383+4383+44168(Top 14%)548(Top 4%)548(Top 31%)
FINISH26.22 mi1.02 mi4749+51389-6389-64220(Top 15%)573(Top 5%)573(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5720

Females

482

F45-49

482

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6143

Females

552

F45-49

552

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5720

Females

482

F45-49

482

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5681

Females

497

F45-49

497

20K→HALF

12.4 - 13.1 mi

Top 19%
×2
+19ft-37ft

Overall

5571

Females

477

F45-49

477

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4874

Females

370

F45-49

370

25K→30K

15.5 - 18.6 mi

Top 16%
×9
+181ft-148ft

Overall

4744

Females

410

F45-49

410

30K→20M

18.6 - 20.0 mi

Top 16%
×5
+64ft-50ft

Overall

4590

Females

428

F45-49

428

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4473

Females

472

F45-49

472

21M→35K

21.0 - 21.8 mi

Top 15%
×7
+17ft-86ft

Overall

4256

Females

409

F45-49

409

35K→23M

21.8 - 23.0 mi

Top 14%
×5
+23ft-63ft

Overall

3996

Females

395

F45-49

395

23M→24M

23.0 - 24.0 mi

Top 13%
×6
+12ft-82ft

Overall

3896

Females

395

F45-49

395

24M→40K

24.0 - 24.9 mi

Top 11%
×1
+6ft-20ft

Overall

3243

Females

311

F45-49

311

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1
+13ft-16ft

Overall

4168

Females

548

F45-49

548

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
×2
+22ft-21ft

Overall

4220

Females

573

F45-49

573

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1929*
Passed By
458
Net Change
+1471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6220
5K → 10K227*160+67#6220#6153
10K → 15K263*48+215#6153#5938
15K → 20K18361+122#5938#5816
20K → HALF3611+25#5816#5791
HALF → 25K18817+171#5791#5620
25K → 30K259*35+224#5620#5396
30K → 20M10622+84#5396#5312
20M → 21M10629+77#5312#5235
21M → 35K877+80#5235#5155
35K → 23M12717+110#5155#5045
23M → 24M10816+92#5045#4953
24M → 40K1212+119#4953#4834
40K → 25.2M384+34#4834#4800
25.2M → FINISH8029+51#4800#4749
TOTALS1929*458+1471

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

📊

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

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Activity Data

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