Boston Marathon logo
BOSTON MARATHON 2025

Liam Larivee

Bib: 27767•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:11:21
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:35:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:41:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:00:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:26:03
↑ 181↓ 1480.2%
20M
8:09/mi
2:37:07
↑ 64↓ 500.2%
21M
8:33/mi
2:45:40
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:51:18
↑ 17↓ 861.7%
23M
8:10/mi
3:01:31
↑ 23↓ 630.6%
24M
8:00/mi
3:09:31
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:16:30
↓ 200.3%
25.2M
8:56/mi
3:19:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:27:27
↑ 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 HalfFaster
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:4623:387:3623:38
7:36
-
10K
6.21 mi12:05:2047:127:3623:34
7:35
-0:01
15K
9.32 mi12:29:291:11:217:3924:09
7:46
+0:11
20K
12.43 mi12:53:491:35:417:4224:20
7:50
+0:04
Half
13.11 mi12:59:141:41:067:435:25
7:56
+0:06
25K
15.53 mi13:18:462:00:387:4619:32
8:03
+0:07
30K
18.64 mi13:44:112:26:037:5025:25
8:11
+0:08
20M
20.00 mi13:55:152:37:077:5111:04
8:09
-0:02
21M
21.00 mi14:03:482:45:407:538:33
8:33
+0:24
35K
21.75 mi14:09:262:51:187:535:38
7:32
-1:01
23M
23.00 mi14:19:393:01:317:5410:13
8:10
+0:38
24M
24.00 mi14:27:393:09:317:548:00
8:00
-0:10
40K
24.85 mi14:34:383:16:307:546:59
8:10
+0:10
25.2M
25.20 mi14:37:433:19:357:553:05
8:56
+0:46
Finish
26.22 mi14:45:353:27:277:557:52
7:43
-1:13

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

7:32 /mi

Average Pace

7:55 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:49

94% of race

Time at Steady Pace

8:33

4% of race

Time at Slower Pace

3:05

1% of race

Average Pace: 7:55 /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 mi11:41:4623:387:3623:38
7:36
#13170
10K
6.21 mi12:05:2047:127:3623:34
7:35
#12997
15K
9.32 mi12:29:291:11:217:3924:09
7:46
#13353
20K
12.43 mi12:53:491:35:417:4224:20
7:50
#13349
Half
13.11 mi12:59:141:41:067:435:25
7:56
#13461
25K
15.53 mi13:18:462:00:387:4619:32
8:03
#13584
30K
18.64 mi13:44:112:26:037:5025:25
8:11
#13374
20M
20.00 mi13:55:152:37:077:5111:04
8:09
#13178
21M
21.00 mi14:03:482:45:407:538:33
8:33
#12985
35K
21.75 mi14:09:262:51:187:535:38
7:32
#12845
23M
23.00 mi14:19:393:01:317:5410:13
8:10
#12699
24M
24.00 mi14:27:393:09:317:548:00
8:00
#12609
40K
24.85 mi14:34:383:16:307:546:59
8:10
#12527
25.2M
25.20 mi14:37:433:19:357:553:05
8:56
#12503
Finish
26.22 mi14:45:353:27:277:557:52
7:43
#12425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi131709719971914126(Top 50%)9988(Top 62%)9988(Top 177%)
10K6.21 mi3.10 mi12997+1739626+939626+9312875(Top 45%)9540(Top 59%)9540(Top 169%)
15K9.32 mi3.11 mi13353-3569710-849710-8414126(Top 50%)9988(Top 62%)9988(Top 177%)
20K12.43 mi3.11 mi13349+49679+319679+3113514(Top 48%)9650(Top 60%)9650(Top 171%)
Half13.11 mi0.68 mi13461-1129715-369715-3615325(Top 54%)10462(Top 65%)10462(Top 185%)
25K15.53 mi2.42 mi13584-1239737-229737-2214302(Top 50%)9888(Top 61%)9888(Top 175%)
30K18.64 mi3.11 mi13374+2109580+1579580+15712671(Top 45%)8985(Top 56%)8985(Top 159%)
20M20.00 mi1.36 mi13178+1969462+1189462+11811415(Top 40%)8244(Top 51%)8244(Top 146%)
21M21.00 mi1.00 mi12985+1939346+1169346+11610791(Top 38%)7771(Top 48%)7771(Top 138%)
35K21.75 mi0.75 mi12845+1409271+759271+758849(Top 31%)6780(Top 42%)6780(Top 120%)
23M23.00 mi1.25 mi12699+1469165+1069165+10611110(Top 39%)7805(Top 48%)7805(Top 138%)
24M24.00 mi1.00 mi12609+909097+689097+6811230(Top 40%)7783(Top 48%)7783(Top 138%)
40K24.85 mi0.85 mi12527+829028+699028+6911349(Top 40%)7740(Top 48%)7740(Top 137%)
25.2M25.20 mi0.35 mi12503+248996+328996+3211432(Top 40%)7692(Top 48%)7692(Top 136%)
Finish26.22 mi1.02 mi12425+788932+648932+6410840(Top 38%)7432(Top 46%)7432(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14126

Males

9988

M18-39

9988

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12875

Males

9540

M18-39

9540

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14126

Males

9988

M18-39

9988

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13514

Males

9650

M18-39

9650

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15325

Males

10462

M18-39

10462

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14302

Males

9888

M18-39

9888

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12671

Males

8985

M18-39

8985

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11415

Males

8244

M18-39

8244

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10791

Males

7771

M18-39

7771

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8849

Males

6780

M18-39

6780

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11110

Males

7805

M18-39

7805

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11230

Males

7783

M18-39

7783

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11349

Males

7740

M18-39

7740

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11432

Males

7692

M18-39

7692

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10840

Males

7432

M18-39

7432

Passing Analysis

Category:
Athletes Passed
2316
Passed By
1571
Net Change
+745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13170
5K → 10K369196+173#13170#12997
10K → 15K104460-356#12997#13353
15K → 20K202198+4#13353#13349
20K → Half9121-112#13349#13461
Half → 25K137260-123#13461#13584
25K → 30K337127+210#13584#13374
30K → 20M21822+196#13374#13178
20M → 21M21320+193#13178#12985
21M → 35K1444+140#12985#12845
35K → 23M18640+146#12845#12699
23M → 24M11323+90#12699#12609
24M → 40K12038+82#12609#12527
40K → 25.2M4723+24#12527#12503
25.2M → Finish11739+78#12503#12425
TOTALS23161571+745
📊

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