Boston Marathon logo
BOSTON MARATHON 2023

Laura Peters

Bib: 16162•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F40-44)
#0 / 1878
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #9682
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
46:33
Rank: #9949 (-267)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:46
Rank: #9906 (+43)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:32:44
Rank: #9510 (+396)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:37:45
Rank: #9485 (+25)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:56:04
Rank: #9405 (+80)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:19:38
Rank: #9089 (+316)
25K → 30K
23:34 | 7:35/mi
20M
2:30:07
Rank: #8998 (+91)
30K → 20M
10:29 | 7:43/mi
21M
2:38:08
Rank: #8890 (+108)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:43:37
Rank: #8824 (+66)
21M → 35K
5:29 | 7:20/mi
23M
2:53:16
Rank: #8740 (+84)
35K → 23M
9:39 | 7:42/mi
24M
3:00:40
Rank: #8626 (+114)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
3:07:04
Rank: #8525 (+101)
24M → 40K
6:24 | 7:29/mi
25.2M
3:09:52
Rank: #8486 (+39)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:17:16
Rank: #8382 (+104)
25.2M → Finish
7:24 | 7:16/mi

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 HalfFaster
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:39:31
Pace7:35 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2123:197:3023:19
7:30
-
10K
6.21 mi11:36:3546:337:2923:14
7:29
-0:01
15K
9.32 mi11:59:481:09:467:2923:13
7:28
-0:01
20K
12.43 mi12:22:461:32:447:2822:58
7:24
-0:04
Half
13.11 mi12:27:471:37:457:275:01
7:21
-0:03
25K
15.53 mi12:46:061:56:047:2818:19
7:33
+0:12
30K
18.64 mi13:09:402:19:387:2923:34
7:35
+0:02
20M
20.00 mi13:20:092:30:077:3010:29
7:43
+0:08
21M
21.00 mi13:28:102:38:087:328:01
8:01
+0:18
35K
21.75 mi13:33:392:43:377:315:29
7:20
-0:41
23M
23.00 mi13:43:182:53:167:329:39
7:42
+0:22
24M
24.00 mi13:50:423:00:407:327:24
7:24
-0:18
40K
24.85 mi13:57:063:07:047:326:24
7:29
+0:05
25.2M
25.20 mi13:59:543:09:527:322:48
8:07
+0:38
Finish
26.22 mi14:07:183:17:167:327:24
7:16
-0:51

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

7:16 /mi

Average Pace

7:32 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:27

95% of race

Time at Steady Pace

10:49

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi11:13:2123:197:3023:19
7:30
#9682
10K
6.21 mi11:36:3546:337:2923:14
7:29
#9949
15K
9.32 mi11:59:481:09:467:2923:13
7:28
#9906
20K
12.43 mi12:22:461:32:447:2822:58
7:24
#9510
Half
13.11 mi12:27:471:37:457:275:01
7:21
#9485
25K
15.53 mi12:46:061:56:047:2818:19
7:33
#9405
30K
18.64 mi13:09:402:19:387:2923:34
7:35
#9089
20M
20.00 mi13:20:092:30:077:3010:29
7:43
#8998
21M
21.00 mi13:28:102:38:087:328:01
8:01
#8890
35K
21.75 mi13:33:392:43:377:315:29
7:20
#8824
23M
23.00 mi13:43:182:53:167:329:39
7:42
#8740
24M
24.00 mi13:50:423:00:407:327:24
7:24
#8626
40K
24.85 mi13:57:063:07:047:326:24
7:29
#8525
25.2M
25.20 mi13:59:543:09:527:322:48
8:07
#8486
Finish
26.22 mi14:07:183:17:167:327:24
7:16
#8382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9682169416949957(Top 37%)1817(Top 16%)1817(Top 97%)
10K6.21 mi3.10 mi9949-2671819-1251819-12510281(Top 39%)1944(Top 17%)1944(Top 104%)
15K9.32 mi3.11 mi9906+431784+351784+359957(Top 37%)1817(Top 16%)1817(Top 97%)
20K12.43 mi3.11 mi9510+3961632+1521632+1528462(Top 32%)1284(Top 11%)1284(Top 68%)
Half13.11 mi0.68 mi9485+251623+91623+99076(Top 34%)1500(Top 13%)1500(Top 80%)
25K15.53 mi2.42 mi9405+801612+111612+119206(Top 35%)1632(Top 14%)1632(Top 87%)
30K18.64 mi3.11 mi9089+3161518+941518+947856(Top 30%)1249(Top 11%)1249(Top 67%)
20M20.00 mi1.36 mi8998+911501+171501+178310(Top 31%)1514(Top 13%)1514(Top 81%)
21M21.00 mi1.00 mi8890+1081479+221479+227472(Top 28%)1303(Top 11%)1303(Top 69%)
35K21.75 mi0.75 mi8824+661464+151464+157374(Top 28%)1249(Top 11%)1249(Top 67%)
23M23.00 mi1.25 mi8740+841460+41460+47787(Top 29%)1485(Top 13%)1485(Top 79%)
24M24.00 mi1.00 mi8626+1141440+201440+207090(Top 27%)1319(Top 12%)1319(Top 70%)
40K24.85 mi0.85 mi8525+1011419+211419+216672(Top 25%)1238(Top 11%)1238(Top 66%)
25.2M25.20 mi0.35 mi8486+391412+71412+77277(Top 27%)1521(Top 13%)1521(Top 81%)
Finish26.22 mi1.02 mi8382+1041399+131399+136870(Top 26%)1375(Top 12%)1375(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9957

Females

1817

F40-44

1817

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10281

Females

1944

F40-44

1944

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9957

Females

1817

F40-44

1817

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8462

Females

1284

F40-44

1284

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9076

Females

1500

F40-44

1500

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9206

Females

1632

F40-44

1632

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7856

Females

1249

F40-44

1249

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8310

Females

1514

F40-44

1514

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7472

Females

1303

F40-44

1303

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7374

Females

1249

F40-44

1249

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7787

Females

1485

F40-44

1485

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7090

Females

1319

F40-44

1319

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6672

Females

1238

F40-44

1238

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7277

Females

1521

F40-44

1521

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6870

Females

1375

F40-44

1375

Passing Analysis

Category:
Athletes Passed
2224*
Passed By
924
Net Change
+1300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9682
5K → 10K195462-267#9682#9949
10K → 15K205162+43#9949#9906
15K → 20K413*17+396#9906#9510
20K → Half3914+25#9510#9485
Half → 25K16080+80#9485#9405
25K → 30K342*26+316#9405#9089
30K → 20M13241+91#9089#8998
20M → 21M12416+108#8998#8890
21M → 35K8216+66#8890#8824
35K → 23M11026+84#8824#8740
23M → 24M13521+114#8740#8626
24M → 40K1109+101#8626#8525
40K → 25.2M489+39#8525#8486
25.2M → Finish12925+104#8486#8382
TOTALS2224*924+1300

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing