Boston Marathon logo
BOSTON MARATHON 2023

Lauren Trinsey

Bib: 17796•F

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:35
Rank: #15690
Start → 5K
25:35 | 8:14/mi
10K· 6.21 mi
50:14
Rank: #14997 (+693)
5K → 10K
24:39 | 7:56/mi
15K· 9.32 mi
1:14:49
Rank: #14539 (+458)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:39:30
Rank: #14163 (+376)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:44:49
Rank: #14088 (+75)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:04:11
Rank: #13824 (+264)
Half → 25K
19:22 | 7:59/mi
30K· 18.64 mi
2:29:51
Rank: #13590 (+234)
25K → 30K
25:40 | 8:16/mi
20M
2:41:20
Rank: #13565 (+25)
30K → 20M
11:29 | 8:27/mi
21M
2:49:58
Rank: #13399 (+166)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:55:42
Rank: #13244 (+155)
21M → 35K
5:44 | 7:40/mi
23M
3:05:55
Rank: #13074 (+170)
35K → 23M
10:13 | 8:10/mi
24M
3:13:47
Rank: #12947 (+127)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:20:47
Rank: #12861 (+86)
24M → 40K
7:00 | 8:11/mi
25.2M
3:23:44
Rank: #12816 (+45)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:31:33
Rank: #12694 (+122)
25.2M → Finish
7:49 | 7:40/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
Time1:44:49
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:46:44
Pace8:09 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4425:358:1425:35
8:14
-
10K
6.21 mi11:42:2350:148:0524:39
7:56
-0:18
15K
9.32 mi12:06:581:14:498:0224:35
7:55
-0:01
20K
12.43 mi12:31:391:39:308:0024:41
7:57
+0:02
Half
13.11 mi12:36:581:44:498:005:19
7:48
-0:09
25K
15.53 mi12:56:202:04:118:0019:22
7:59
+0:11
30K
18.64 mi13:22:002:29:518:0225:40
8:16
+0:17
20M
20.00 mi13:33:292:41:208:0411:29
8:27
+0:11
21M
21.00 mi13:42:072:49:588:068:38
8:38
+0:11
35K
21.75 mi13:47:512:55:428:055:44
7:40
-0:58
23M
23.00 mi13:58:043:05:558:0510:13
8:10
+0:30
24M
24.00 mi14:05:563:13:478:047:52
7:52
-0:18
40K
24.85 mi14:12:563:20:478:057:00
8:11
+0:19
25.2M
25.20 mi14:15:533:23:448:052:57
8:33
+0:22
Finish
26.22 mi14:23:423:31:338:047:49
7:40
-0:53

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

7:40 /mi

Average Pace

8:04 /mi

Slowest Pace

8:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:29

89% of race

Time at Steady Pace

23:04

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:17:4425:358:1425:35
8:14
#15690
10K
6.21 mi11:42:2350:148:0524:39
7:56
#14997
15K
9.32 mi12:06:581:14:498:0224:35
7:55
#14539
20K
12.43 mi12:31:391:39:308:0024:41
7:57
#14163
Half
13.11 mi12:36:581:44:498:005:19
7:48
#14088
25K
15.53 mi12:56:202:04:118:0019:22
7:59
#13824
30K
18.64 mi13:22:002:29:518:0225:40
8:16
#13590
20M
20.00 mi13:33:292:41:208:0411:29
8:27
#13565
21M
21.00 mi13:42:072:49:588:068:38
8:38
#13399
35K
21.75 mi13:47:512:55:428:055:44
7:40
#13244
23M
23.00 mi13:58:043:05:558:0510:13
8:10
#13074
24M
24.00 mi14:05:563:13:478:047:52
7:52
#12947
40K
24.85 mi14:12:563:20:478:057:00
8:11
#12861
25.2M
25.20 mi14:15:533:23:448:052:57
8:33
#12816
Finish
26.22 mi14:23:423:31:338:047:49
7:40
#12694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi156905087508713681(Top 51%)3887(Top 34%)3887(Top 80%)
10K6.21 mi3.10 mi14997+6934651+4364651+43614283(Top 54%)4223(Top 37%)4223(Top 86%)
15K9.32 mi3.11 mi14539+4584373+2784373+27813681(Top 51%)3887(Top 34%)3887(Top 80%)
20K12.43 mi3.11 mi14163+3764182+1914182+19112999(Top 49%)3549(Top 31%)3549(Top 73%)
Half13.11 mi0.68 mi14088+754136+464136+4612737(Top 48%)3343(Top 29%)3343(Top 68%)
25K15.53 mi2.42 mi13824+2644005+1314005+13112660(Top 48%)3452(Top 30%)3452(Top 71%)
30K18.64 mi3.11 mi13590+2343893+1123893+11212766(Top 48%)3616(Top 32%)3616(Top 74%)
20M20.00 mi1.36 mi13565+253901-83901-813339(Top 50%)4030(Top 35%)4030(Top 83%)
21M21.00 mi1.00 mi13399+1663816+853816+8511288(Top 42%)3027(Top 26%)3027(Top 62%)
35K21.75 mi0.75 mi13244+1553739+773739+779764(Top 37%)2268(Top 20%)2268(Top 46%)
23M23.00 mi1.25 mi13074+1703666+733666+7310915(Top 41%)2982(Top 26%)2982(Top 61%)
24M24.00 mi1.00 mi12947+1273614+523614+5210324(Top 39%)2756(Top 24%)2756(Top 56%)
40K24.85 mi0.85 mi12861+863587+273587+2711301(Top 42%)3310(Top 29%)3310(Top 68%)
25.2M25.20 mi0.35 mi12816+453567+203567+209981(Top 37%)2697(Top 24%)2697(Top 55%)
Finish26.22 mi1.02 mi12694+1223516+513516+519820(Top 37%)2625(Top 23%)2625(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13681

Females

3887

F18-39

3887

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14283

Females

4223

F18-39

4223

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13681

Females

3887

F18-39

3887

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12999

Females

3549

F18-39

3549

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12737

Females

3343

F18-39

3343

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12660

Females

3452

F18-39

3452

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12766

Females

3616

F18-39

3616

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13339

Females

4030

F18-39

4030

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11288

Females

3027

F18-39

3027

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9764

Females

2268

F18-39

2268

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10915

Females

2982

F18-39

2982

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10324

Females

2756

F18-39

2756

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11301

Females

3310

F18-39

3310

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9981

Females

2697

F18-39

2697

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9820

Females

2625

F18-39

2625

Passing Analysis

Category:
Athletes Passed
3433
Passed By
437
Net Change
+2996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15690
5K → 10K77380+693#15690#14997
10K → 15K49941+458#14997#14539
15K → 20K40933+376#14539#14163
20K → Half816+75#14163#14088
Half → 25K28723+264#14088#13824
25K → 30K30167+234#13824#13590
30K → 20M10479+25#13590#13565
20M → 21M18822+166#13565#13399
21M → 35K1594+155#13399#13244
35K → 23M19424+170#13244#13074
23M → 24M13811+127#13074#12947
24M → 40K11125+86#12947#12861
40K → 25.2M505+45#12861#12816
25.2M → Finish13917+122#12816#12694
TOTALS3433437+2996
📊

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