Boston Marathon logo
BOSTON MARATHON 2025

Shannon Lamarre

Bib: 6498•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4967
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:40
Rank: #5437 (-470)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:03
Rank: #5873 (-436)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:24:26
Rank: #5899 (-26)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:29:09
Rank: #5962 (-63)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:46:03
Rank: #5953 (+9)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:08:45
Rank: #6019 (-66)
25K → 30K
22:42 | 7:18/mi
20M
2:18:42
Rank: #5980 (+39)
30K → 20M
9:57 | 7:19/mi
21M
2:26:21
Rank: #5872 (+108)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:31:42
Rank: #5863 (+9)
21M → 35K
5:21 | 7:09/mi
23M
2:41:00
Rank: #5811 (+52)
35K → 23M
9:18 | 7:26/mi
24M
2:48:21
Rank: #5781 (+30)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:54:41
Rank: #5745 (+36)
24M → 40K
6:20 | 7:24/mi
25.2M
2:57:29
Rank: #5721 (+24)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:04:49
Rank: #5709 (+12)
25.2M → Finish
7:20 | 7:12/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
Time1:29:09
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4920:386:3820:38
6:38
-
10K
6.21 mi10:47:5141:406:4221:02
6:46
+0:08
15K
9.32 mi11:09:141:03:036:4621:23
6:53
+0:07
20K
12.43 mi11:30:371:24:266:4821:23
6:53
0:00
Half
13.11 mi11:35:201:29:096:484:43
6:55
+0:02
25K
15.53 mi11:52:141:46:036:5016:54
6:58
+0:03
30K
18.64 mi12:14:562:08:456:5422:42
7:18
+0:20
20M
20.00 mi12:24:532:18:426:569:57
7:19
+0:01
21M
21.00 mi12:32:322:26:216:587:39
7:39
+0:20
35K
21.75 mi12:37:532:31:426:595:21
7:09
-0:30
23M
23.00 mi12:47:112:41:007:009:18
7:26
+0:17
24M
24.00 mi12:54:322:48:217:017:21
7:21
-0:05
40K
24.85 mi13:00:522:54:417:026:20
7:24
+0:03
25.2M
25.20 mi13:03:402:57:297:032:48
8:07
+0:43
Finish
26.22 mi13:11:003:04:497:037:20
7:12
-0:55

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

6:38 /mi

Average Pace

7:03 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:03

57% of race

Time at Steady Pace

52:41

29% of race

Time at Slower Pace

26:05

14% of race

Average Pace: 7:03 /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 mi10:26:4920:386:3820:38
6:38
#4967
10K
6.21 mi10:47:5141:406:4221:02
6:46
#5437
15K
9.32 mi11:09:141:03:036:4621:23
6:53
#5873
20K
12.43 mi11:30:371:24:266:4821:23
6:53
#5899
Half
13.11 mi11:35:201:29:096:484:43
6:55
#5962
25K
15.53 mi11:52:141:46:036:5016:54
6:58
#5953
30K
18.64 mi12:14:562:08:456:5422:42
7:18
#6019
20M
20.00 mi12:24:532:18:426:569:57
7:19
#5980
21M
21.00 mi12:32:322:26:216:587:39
7:39
#5872
35K
21.75 mi12:37:532:31:426:595:21
7:09
#5863
23M
23.00 mi12:47:112:41:007:009:18
7:26
#5811
24M
24.00 mi12:54:322:48:217:017:21
7:21
#5781
40K
24.85 mi13:00:522:54:417:026:20
7:24
#5745
25.2M
25.20 mi13:03:402:57:297:032:48
8:07
#5721
Finish
26.22 mi13:11:003:04:497:037:20
7:12
#5709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49673153156834(Top 24%)689(Top 6%)689(Top 13%)
10K6.21 mi3.10 mi5437-470395-80395-806079(Top 21%)517(Top 4%)517(Top 9%)
15K9.32 mi3.11 mi5873-436471-76471-766834(Top 24%)689(Top 6%)689(Top 13%)
20K12.43 mi3.11 mi5899-26481-10481-106078(Top 21%)570(Top 5%)570(Top 10%)
Half13.11 mi0.68 mi5962-63499-18499-187046(Top 25%)771(Top 6%)771(Top 14%)
25K15.53 mi2.42 mi5953+9522-23522-236144(Top 22%)627(Top 5%)627(Top 11%)
30K18.64 mi3.11 mi6019-66550-28550-286495(Top 23%)827(Top 7%)827(Top 15%)
20M20.00 mi1.36 mi5980+39563-13563-135947(Top 21%)767(Top 6%)767(Top 14%)
21M21.00 mi1.00 mi5872+108550+13550+135414(Top 19%)724(Top 6%)724(Top 13%)
35K21.75 mi0.75 mi5863+9557-7557-76309(Top 22%)1017(Top 8%)1017(Top 19%)
23M23.00 mi1.25 mi5811+52565-8565-86216(Top 22%)1095(Top 9%)1095(Top 20%)
24M24.00 mi1.00 mi5781+30572-7572-76734(Top 24%)1343(Top 11%)1343(Top 25%)
40K24.85 mi0.85 mi5745+36579-7579-76267(Top 22%)1227(Top 10%)1227(Top 22%)
25.2M25.20 mi0.35 mi5721+24582-3582-36628(Top 23%)1456(Top 12%)1456(Top 27%)
Finish26.22 mi1.02 mi5709+12596-14596-147035(Top 25%)1653(Top 14%)1653(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6834

Females

689

F18-39

689

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6079

Females

517

F18-39

517

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6834

Females

689

F18-39

689

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6078

Females

570

F18-39

570

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7046

Females

771

F18-39

771

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6144

Females

627

F18-39

627

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6495

Females

827

F18-39

827

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5947

Females

767

F18-39

767

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5414

Females

724

F18-39

724

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6309

Females

1017

F18-39

1017

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6216

Females

1095

F18-39

1095

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6734

Females

1343

F18-39

1343

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6267

Females

1227

F18-39

1227

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6628

Females

1456

F18-39

1456

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7035

Females

1653

F18-39

1653

Passing Analysis

Category:
Athletes Passed
1146
Passed By
1888
Net Change
-742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4967
5K → 10K55525-470#4967#5437
10K → 15K38474-436#5437#5873
15K → 20K125151-26#5873#5899
20K → Half871-63#5899#5962
Half → 25K136127+9#5962#5953
25K → 30K157223-66#5953#6019
30K → 20M9051+39#6019#5980
20M → 21M12921+108#5980#5872
21M → 35K5041+9#5872#5863
35K → 23M11361+52#5863#5811
23M → 24M6737+30#5811#5781
24M → 40K7236+36#5781#5745
40K → 25.2M4016+24#5745#5721
25.2M → Finish6654+12#5721#5709
TOTALS11461888-742
📊

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