Boston Marathon logo
BOSTON MARATHON 2023

Lauren Schmiegel

Bib: 29871•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:24/mi
29:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
57:08
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:25:38
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:54:02
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
2:00:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:22:49
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:51:20
↑ 181↓ 1480.2%
20M
9:06/mi
3:03:42
↑ 64↓ 500.2%
21M
9:13/mi
3:12:55
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:19:48
↑ 17↓ 861.7%
23M
9:28/mi
3:31:39
↑ 23↓ 630.6%
24M
9:23/mi
3:41:02
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:49:09
↓ 200.3%
25.2M
9:54/mi
3:52:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
4:00:33
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:00:15
Pace9:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:00:18
Pace9:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1329:139:2429:13
9:24
-
10K
6.21 mi12:16:0857:089:1227:55
8:59
-0:25
15K
9.32 mi12:44:381:25:389:1128:30
9:10
+0:11
20K
12.43 mi13:13:021:54:029:1128:24
9:08
-0:02
Half
13.11 mi13:19:152:00:159:106:13
9:07
-0:01
25K
15.53 mi13:41:492:22:499:1222:34
9:18
+0:11
30K
18.64 mi14:10:202:51:209:1128:31
9:11
-0:07
20M
20.00 mi14:22:423:03:429:1112:22
9:06
-0:05
21M
21.00 mi14:31:553:12:559:119:13
9:13
+0:07
35K
21.75 mi14:38:483:19:489:116:53
9:12
-0:01
23M
23.00 mi14:50:393:31:399:1211:51
9:28
+0:16
24M
24.00 mi15:00:023:41:029:139:23
9:23
-0:05
40K
24.85 mi15:08:093:49:099:138:07
9:30
+0:07
25.2M
25.20 mi15:11:343:52:349:143:25
9:54
+0:24
Finish
26.22 mi15:19:334:00:339:117:59
7:50
-2:04

Checkpoints & Pacing

📈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

7:50 /mi

Average Pace

9:11 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:54

15% of race

Time at Steady Pace

3:01:16

75% of race

Time at Slower Pace

23:23

10% of race

Average Pace: 9:10 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:48:1329:139:2429:13
9:24
#21822
10K
6.21 mi12:16:0857:089:1227:55
8:59
#21377
15K
9.32 mi12:44:381:25:389:1128:30
9:10
#21315
20K
12.43 mi13:13:021:54:029:1128:24
9:08
#21096
Half
13.11 mi13:19:152:00:159:106:13
9:07
#21090
25K
15.53 mi13:41:492:22:499:1222:34
9:18
#20907
30K
18.64 mi14:10:202:51:209:1128:31
9:11
#20419
20M
20.00 mi14:22:423:03:429:1112:22
9:06
#20199
21M
21.00 mi14:31:553:12:559:119:13
9:13
#19889
35K
21.75 mi14:38:483:19:489:116:53
9:12
#19838
23M
23.00 mi14:50:393:31:399:1211:51
9:28
#19743
24M
24.00 mi15:00:023:41:029:139:23
9:23
#19699
40K
24.85 mi15:08:093:49:099:138:07
9:30
#19657
25.2M
25.20 mi15:11:343:52:349:143:25
9:54
#19615
Finish
26.22 mi15:19:334:00:339:117:59
7:50
#19408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218228794879421212(Top 80%)8345(Top 73%)8345(Top 171%)
10K6.21 mi3.10 mi21377+4458519+2758519+27520822(Top 78%)8166(Top 71%)8166(Top 167%)
15K9.32 mi3.11 mi21315+628452+678452+6721212(Top 80%)8345(Top 73%)8345(Top 171%)
20K12.43 mi3.11 mi21096+2198324+1288324+12820328(Top 76%)7856(Top 69%)7856(Top 161%)
Half13.11 mi0.68 mi21090+68319+58319+520872(Top 78%)8167(Top 71%)8167(Top 167%)
25K15.53 mi2.42 mi20907+1838208+1118208+11120226(Top 76%)7823(Top 68%)7823(Top 160%)
30K18.64 mi3.11 mi20419+4887964+2447964+24418078(Top 68%)6697(Top 59%)6697(Top 137%)
20M20.00 mi1.36 mi20199+2207860+1047860+10417101(Top 64%)6231(Top 55%)6231(Top 128%)
21M21.00 mi1.00 mi19889+3107677+1837677+18314606(Top 55%)4836(Top 42%)4836(Top 99%)
35K21.75 mi0.75 mi19838+517660+177660+1718774(Top 71%)7264(Top 64%)7264(Top 149%)
23M23.00 mi1.25 mi19743+957612+487612+4818205(Top 68%)6979(Top 61%)6979(Top 143%)
24M24.00 mi1.00 mi19699+447593+197593+1918810(Top 71%)7339(Top 64%)7339(Top 150%)
40K24.85 mi0.85 mi19657+427581+127581+1218336(Top 69%)7128(Top 62%)7128(Top 146%)
25.2M25.20 mi0.35 mi19615+427562+197562+1917093(Top 64%)6485(Top 57%)6485(Top 133%)
Finish26.22 mi1.02 mi19408+2077445+1177445+11710996(Top 41%)3204(Top 28%)3204(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21212

Females

8345

F18-39

8345

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20822

Females

8166

F18-39

8166

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21212

Females

8345

F18-39

8345

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20328

Females

7856

F18-39

7856

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20872

Females

8167

F18-39

8167

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20226

Females

7823

F18-39

7823

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18078

Females

6697

F18-39

6697

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17101

Females

6231

F18-39

6231

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14606

Females

4836

F18-39

4836

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18774

Females

7264

F18-39

7264

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18205

Females

6979

F18-39

6979

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18810

Females

7339

F18-39

7339

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18336

Females

7128

F18-39

7128

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17093

Females

6485

F18-39

6485

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10996

Females

3204

F18-39

3204

Passing Analysis

Category:
Athletes Passed
2871
Passed By
457
Net Change
+2414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21822
5K → 10K548103+445#21822#21377
10K → 15K192130+62#21377#21315
15K → 20K26950+219#21315#21096
20K → Half3731+6#21096#21090
Half → 25K21431+183#21090#20907
25K → 30K4902+488#20907#20419
30K → 20M2277+220#20419#20199
20M → 21M3100+310#20199#19889
21M → 35K6716+51#19889#19838
35K → 23M12126+95#19838#19743
23M → 24M6723+44#19743#19699
24M → 40K7230+42#19699#19657
40K → 25.2M508+42#19657#19615
25.2M → Finish2070+207#19615#19408
TOTALS2871457+2414
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing