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BOSTON MARATHON 2026

Shannon Lambrecht

Bib: 16003•F

MI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 33%
Gender (Female)
#0 / 12578
Top 16%
Age Group (F18-39)
#0 / 5716
Top 30%
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
22:08
3.11 mi
Rank: #9554
Start → 5K
22:08 | 7:08/mi
10K
44:58
6.21 mi
Rank: #10543 (-989)
5K → 10K
22:50 | 7:21/mi
15K
1:07:46
9.32 mi
Rank: #10789 (-246)
10K → 15K
22:48 | 7:21/mi
20K
1:30:41
12.43 mi
Rank: #10784 (+5)
15K → 20K
22:55 | 7:23/mi
HALF
1:35:41
13.11 mi
Rank: #10818 (-34)
20K → HALF
5:00 | 7:21/mi
25K
1:53:41
15.53 mi
Rank: #10758 (+60)
HALF → 25K
18:00 | 7:26/mi
30K
2:16:54
18.64 mi
Rank: #10462 (+296)
25K → 30K
23:13 | 7:29/mi
20M
2:27:08
20.00 mi
Rank: #10343 (+119)
30K → 20M
10:14 | 7:33/mi
21M
2:34:59
21.00 mi
Rank: #10208 (+135)
20M → 21M
7:51 | 7:51/mi
35K
2:40:22
21.75 mi
Rank: #10130 (+78)
21M → 35K
5:23 | 7:12/mi
23M
2:49:39
23.00 mi
Rank: #9944 (+186)
35K → 23M
9:17 | 7:26/mi
24M
2:57:00
24.00 mi
Rank: #9866 (+78)
23M → 24M
7:21 | 7:21/mi
40K
3:03:21
24.85 mi
Rank: #9779 (+87)
24M → 40K
6:21 | 7:26/mi
25.2M
3:06:07
25.20 mi
Rank: #9750 (+29)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:13:25
26.22 mi
Rank: #9683 (+67)
25.2M → FINISH
7:18 | 7:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:41
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:37:44
Pace7:28 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1322:087:0822:08
7:08
-
10K
6.21 mi11:26:0344:587:1522:50
7:21
+0:13
15K
9.32 mi11:48:511:07:467:1722:48
7:21
0:00
20K
12.43 mi12:11:461:30:417:1822:55
7:23
+0:02
HALF
13.11 mi12:16:461:35:417:185:00
7:21
-0:02
25K
15.53 mi12:34:461:53:417:2018:00
7:26
+0:05
30K
18.64 mi12:57:592:16:547:2123:13
7:29
+0:03
20M
20.00 mi13:08:132:27:087:2210:14
7:33
+0:04
21M
21.00 mi13:16:042:34:597:237:51
7:51
+0:18
35K
21.75 mi13:21:272:40:227:235:23
7:12
-0:39
23M
23.00 mi13:30:442:49:397:239:17
7:26
+0:14
24M
24.00 mi13:38:052:57:007:237:21
7:21
-0:05
40K
24.85 mi13:44:263:03:217:236:21
7:26
+0:05
25.2M
25.20 mi13:47:123:06:077:242:46
8:02
+0:36
FINISH
26.22 mi13:54:303:13:257:237:18
7:10
-0:52

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

7:08 /mi

Average Pace

7:23 /mi

Slowest Pace

8:02 /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

3:02:48

95% of race

Time at Steady Pace

10:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi11:03:1322:087:0822:08
7:08
#9554
10K
6.21 mi11:26:0344:587:1522:50
7:21
#10543
15K
9.32 mi11:48:511:07:467:1722:48
7:21
#10789
20K
12.43 mi12:11:461:30:417:1822:55
7:23
#10784
HALF
13.11 mi12:16:461:35:417:185:00
7:21
#10818
25K
15.53 mi12:34:461:53:417:2018:00
7:26
#10758
30K
18.64 mi12:57:592:16:547:2123:13
7:29
#10462
20M
20.00 mi13:08:132:27:087:2210:14
7:33
#10343
21M
21.00 mi13:16:042:34:597:237:51
7:51
#10208
35K
21.75 mi13:21:272:40:227:235:23
7:12
#10130
23M
23.00 mi13:30:442:49:397:239:17
7:26
#9944
24M
24.00 mi13:38:052:57:007:237:21
7:21
#9866
40K
24.85 mi13:44:263:03:217:236:21
7:26
#9779
25.2M
25.20 mi13:47:123:06:077:242:46
8:02
#9750
FINISH
26.22 mi13:54:303:13:257:237:18
7:10
#9683
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 mi95541667166711427(Top 39%)2695(Top 21%)2695(Top 47%)
10K6.21 mi3.10 mi10543-9892160-4932160-49311606(Top 40%)2757(Top 22%)2757(Top 48%)
15K9.32 mi3.11 mi10789-2462316-1562316-15611427(Top 39%)2695(Top 21%)2695(Top 47%)
20K12.43 mi3.11 mi10784+52356-402356-4010910(Top 38%)2526(Top 20%)2526(Top 44%)
HALF13.11 mi0.68 mi10818-342373-172373-1711514(Top 40%)2739(Top 22%)2739(Top 48%)
25K15.53 mi2.42 mi10758+602385-122385-1210776(Top 37%)2517(Top 20%)2517(Top 44%)
30K18.64 mi3.11 mi10462+2962275+1102275+1109455(Top 33%)2024(Top 16%)2024(Top 35%)
20M20.00 mi1.36 mi10343+1192238+372238+379364(Top 32%)2083(Top 17%)2083(Top 36%)
21M21.00 mi1.00 mi10208+1352199+392199+398893(Top 31%)1985(Top 16%)1985(Top 35%)
35K21.75 mi0.75 mi10130+782172+272172+278580(Top 30%)1829(Top 15%)1829(Top 32%)
23M23.00 mi1.25 mi9944+1862110+622110+628299(Top 29%)1777(Top 14%)1777(Top 31%)
24M24.00 mi1.00 mi9866+782087+232087+238996(Top 31%)2166(Top 17%)2166(Top 38%)
40K24.85 mi0.85 mi9779+872075+122075+128381(Top 29%)1977(Top 16%)1977(Top 35%)
25.2M25.20 mi0.35 mi9750+292070+52070+58567(Top 30%)2142(Top 17%)2142(Top 37%)
FINISH26.22 mi1.02 mi9683+672075-52075-58877(Top 31%)2325(Top 18%)2325(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11427

Females

2695

F18-39

2695

5K→10K

3.1 - 6.2 mi

Top 40%
×5
+79ft-138ft

Overall

11606

Females

2757

F18-39

2757

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11427

Females

2695

F18-39

2695

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

10910

Females

2526

F18-39

2526

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11514

Females

2739

F18-39

2739

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10776

Females

2517

F18-39

2517

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9455

Females

2024

F18-39

2024

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9364

Females

2083

F18-39

2083

20M→21M

20.0 - 21.0 mi

Top 31%
×8
+106ft-24ft

Overall

8893

Females

1985

F18-39

1985

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8580

Females

1829

F18-39

1829

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8299

Females

1777

F18-39

1777

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

8996

Females

2166

F18-39

2166

24M→40K

24.0 - 24.9 mi

Top 29%
×1
+6ft-20ft

Overall

8381

Females

1977

F18-39

1977

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8567

Females

2142

F18-39

2142

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
×2
+22ft-21ft

Overall

8877

Females

2325

F18-39

2325

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1827*
Passed By
1953
Net Change
-129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9554
5K → 10K321019-989#9554#10543
10K → 15K85331-246#10543#10789
15K → 20K167162+5#10789#10784
20K → HALF2458-34#10784#10818
HALF → 25K177117+60#10818#10758
25K → 30K34044+296#10758#10462
30K → 20M15435+119#10462#10343
20M → 21M16631+135#10343#10208
21M → 35K879+78#10208#10130
35K → 23M214*28+186#10130#9944
23M → 24M11335+78#9944#9866
24M → 40K11326+87#9866#9779
40K → 25.2M4819+29#9779#9750
25.2M → FINISH10739+67#9750#9683
TOTALS1827*1953-129

* 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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing