All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Marcus Lafleur

Bib: 1948β€’M

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 10%
Age Group (M18-39)
#0 / 5723
Top 25%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
18:46
3.11 mi
Rank: #1335
Start β†’ 5K
18:46 | 6:03/mi
10K
36:52
6.21 mi
Rank: #1012 (+323)
5K β†’ 10K
18:06 | 5:50/mi
15K
54:31
9.32 mi
Rank: #775 (+237)
10K β†’ 15K
17:39 | 5:41/mi
20K
1:12:20
12.43 mi
Rank: #665 (+110)
15K β†’ 20K
17:49 | 5:45/mi
HALF
1:16:11
13.11 mi
Rank: #653 (+12)
20K β†’ HALF
3:51 | 5:39/mi
25K
1:30:41
15.53 mi
Rank: #687 (-34)
HALF β†’ 25K
14:30 | 5:59/mi
30K
1:50:11
18.64 mi
Rank: #782 (-95)
25K β†’ 30K
19:30 | 6:17/mi
20M
1:58:52
20.00 mi
Rank: #836 (-54)
30K β†’ 20M
8:41 | 6:24/mi
21M
2:05:43
21.00 mi
Rank: #904 (-68)
20M β†’ 21M
6:51 | 6:51/mi
35K
2:10:20
21.75 mi
Rank: #926 (-22)
21M β†’ 35K
4:37 | 6:11/mi
23M
2:19:14
23.00 mi
Rank: #1084 (-158)
35K β†’ 23M
8:54 | 7:07/mi
24M
2:26:23
24.00 mi
Rank: #1250 (-166)
23M β†’ 24M
7:09 | 7:09/mi
40K
2:32:57
24.85 mi
Rank: #1406 (-156)
24M β†’ 40K
6:34 | 7:41/mi
25.2M
2:35:53
25.20 mi
Rank: #1480 (-74)
40K β†’ 25.2M
2:56 | 8:31/mi
FINISH
2:43:32
26.22 mi
Rank: #1692 (-212)
25.2M β†’ FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:16:11
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:27:21
Pace6:40 /mi
πŸ“ŠPositive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2518:466:0318:46
6:03
-
10K
6.21 mi10:37:3136:525:5618:06
5:50
-0:13
15K
9.32 mi10:55:1054:315:5117:39
5:41
-0:09
20K
12.43 mi11:12:591:12:205:5017:49
5:45
+0:04
HALF
13.11 mi11:16:501:16:115:493:51
5:39
-0:06
25K
15.53 mi11:31:201:30:415:5114:30
5:59
+0:20
30K
18.64 mi11:50:501:50:115:5519:30
6:17
+0:18
20M
20.00 mi11:59:311:58:525:578:41
6:24
+0:07
21M
21.00 mi12:06:222:05:436:006:51
6:51
+0:27
35K
21.75 mi12:10:592:10:206:004:37
6:11
-0:40
23M
23.00 mi12:19:532:19:146:048:54
7:07
+0:56
24M
24.00 mi12:27:022:26:236:067:09
7:09
+0:02
40K
24.85 mi12:33:362:32:576:106:34
7:41
+0:32
25.2M
25.20 mi12:36:322:35:536:122:56
8:31
+0:50
FINISH
26.22 mi12:44:112:43:326:157:39
7:31
-1:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

5:39 /mi

Average Pace

6:15 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

57:25

35% of race

Time at Steady Pace

1:06:04

40% of race

Time at Slower Pace

40:03

24% of race

Average Pace: 6:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:2518:466:0318:46
6:03
#1335
10K
6.21 mi10:37:3136:525:5618:06
5:50
#1012
15K
9.32 mi10:55:1054:315:5117:39
5:41
#775
20K
12.43 mi11:12:591:12:205:5017:49
5:45
#665
HALF
13.11 mi11:16:501:16:115:493:51
5:39
#653
25K
15.53 mi11:31:201:30:415:5114:30
5:59
#687
30K
18.64 mi11:50:501:50:115:5519:30
6:17
#782
20M
20.00 mi11:59:311:58:525:578:41
6:24
#836
21M
21.00 mi12:06:222:05:436:006:51
6:51
#904
35K
21.75 mi12:10:592:10:206:004:37
6:11
#926
23M
23.00 mi12:19:532:19:146:048:54
7:07
#1084
24M
24.00 mi12:27:022:26:236:067:09
7:09
#1250
40K
24.85 mi12:33:362:32:576:106:34
7:41
#1406
25.2M
25.20 mi12:36:322:35:536:122:56
8:31
#1480
FINISH
26.22 mi12:44:112:43:326:157:39
7:31
#1692
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi133512791279414(Top 1%)389(Top 2%)389(Top 7%)
10K6.21 mi3.10 mi1012+323968+311968+311751(Top 3%)717(Top 4%)717(Top 13%)
15K9.32 mi3.11 mi775+237739+229739+229414(Top 1%)389(Top 2%)389(Top 7%)
20K12.43 mi3.11 mi665+110634+105634+105457(Top 2%)435(Top 3%)435(Top 8%)
HALF13.11 mi0.68 mi653+12622+12622+12417(Top 1%)396(Top 2%)396(Top 7%)
25K15.53 mi2.42 mi687-34656-34656-341001(Top 3%)961(Top 6%)961(Top 17%)
30K18.64 mi3.11 mi782-95748-92748-921525(Top 5%)1468(Top 9%)1468(Top 26%)
20M20.00 mi1.36 mi836-54800-52800-521910(Top 7%)1825(Top 11%)1825(Top 32%)
21M21.00 mi1.00 mi904-68866-66866-662651(Top 9%)2482(Top 15%)2482(Top 43%)
35K21.75 mi0.75 mi926-22886-20886-201856(Top 6%)1771(Top 11%)1771(Top 31%)
23M23.00 mi1.25 mi1084-1581039-1531039-1536166(Top 21%)5204(Top 32%)5204(Top 91%)
24M24.00 mi1.00 mi1250-1661203-1641203-1647457(Top 26%)5929(Top 36%)5929(Top 104%)
40K24.85 mi0.85 mi1406-1561353-1501353-15010093(Top 35%)7246(Top 44%)7246(Top 127%)
25.2M25.20 mi0.35 mi1480-741423-701423-7011508(Top 40%)7803(Top 48%)7803(Top 136%)
FINISH26.22 mi1.02 mi1692-2121627-2041627-20411401(Top 39%)7793(Top 48%)7793(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
Γ—21
+97ft-345ft

Overall

414

Males

389

M18-39

389

5K→10K

3.1 - 6.2 mi

Top 3%
Γ—5
+79ft-138ft

Overall

751

Males

717

M18-39

717

10K→15K

6.2 - 9.3 mi

Top 1%
Γ—3
+67ft-78ft

Overall

414

Males

389

M18-39

389

15K→20K

9.3 - 12.4 mi

Top 2%
Γ—5
+106ft-86ft

Overall

457

Males

435

M18-39

435

20K→HALF

12.4 - 13.1 mi

Top 1%
Γ—2
+19ft-37ft

Overall

417

Males

396

M18-39

396

HALF→25K

13.1 - 15.5 mi

Top 3%
Γ—4
+66ft-88ft

Overall

1001

Males

961

M18-39

961

25K→30K

15.5 - 18.6 mi

Top 5%
Γ—9
+181ft-148ft

Overall

1525

Males

1468

M18-39

1468

30K→20M

18.6 - 20.0 mi

Top 7%
Γ—5
+64ft-50ft

Overall

1910

Males

1825

M18-39

1825

20M→21M

20.0 - 21.0 mi

Top 9%
Γ—8
+106ft-24ft

Overall

2651

Males

2482

M18-39

2482

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1856

Males

1771

M18-39

1771

35K→23M

21.8 - 23.0 mi

Top 21%
Γ—5
+23ft-63ft

Overall

6166

Males

5204

M18-39

5204

23M→24M

23.0 - 24.0 mi

Top 26%
Γ—6
+12ft-82ft

Overall

7457

Males

5929

M18-39

5929

24M→40K

24.0 - 24.9 mi

Top 35%
Γ—1
+6ft-20ft

Overall

10093

Males

7246

M18-39

7246

40K→25.2M

24.9 - 25.2 mi

Top 40%
Γ—1
+13ft-16ft

Overall

11508

Males

7803

M18-39

7803

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
Γ—2
+22ft-21ft

Overall

11401

Males

7793

M18-39

7793

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
729
Passed By
1086
Net Change
-357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1335
5K β†’ 10K3252+323#1335#1012
10K β†’ 15K2370+237#1012#775
15K β†’ 20K1100+110#775#665
20K β†’ HALF120+12#665#653
HALF β†’ 25K1044-34#653#687
25K β†’ 30K11106-95#687#782
30K β†’ 20M155-54#782#836
20M β†’ 21M674-68#836#904
21M β†’ 35K527-22#904#926
35K β†’ 23M6164-158#926#1084
23M β†’ 24M2168-166#1084#1250
24M β†’ 40K3159-156#1250#1406
40K β†’ 25.2M074-74#1406#1480
25.2M β†’ FINISH1213-212#1480#1692
TOTALS7291086-357
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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