Boston Marathon logo
BOSTON MARATHON 2025

Lucas Barnes

Bib: 579•M

WI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:33
Rank: #980
Start → 5K
18:33 | 5:58/mi
10K· 6.21 mi
36:59
Rank: #944 (+36)
5K → 10K
18:26 | 5:56/mi
15K· 9.32 mi
55:30
Rank: #934 (+10)
10K → 15K
18:31 | 5:58/mi
20K· 12.43 mi
1:14:18
Rank: #935 (-1)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:18:21
Rank: #938 (-3)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:32:51
Rank: #889 (+49)
Half → 25K
14:30 | 5:59/mi
30K· 18.64 mi
1:51:29
Rank: #784 (+105)
25K → 30K
18:38 | 6:00/mi
20M
1:59:43
Rank: #741 (+43)
30K → 20M
8:14 | 6:04/mi
21M
2:06:14
Rank: #723 (+18)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:10:44
Rank: #709 (+14)
21M → 35K
4:30 | 6:01/mi
23M
2:18:28
Rank: #693 (+16)
35K → 23M
7:44 | 6:11/mi
24M
2:24:36
Rank: #685 (+8)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:30:02
Rank: #683 (+2)
24M → 40K
5:26 | 6:21/mi
25.2M
2:32:24
Rank: #682 (+1)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:38:49
Rank: #697 (-15)
25.2M → Finish
6:25 | 6:18/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
Time1:18:21
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:20:28
Pace6:08 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3918:335:5818:33
5:58
-
10K
6.21 mi10:37:0536:595:5718:26
5:56
-0:02
15K
9.32 mi10:55:3655:305:5718:31
5:58
+0:02
20K
12.43 mi11:14:241:14:185:5918:48
6:03
+0:05
Half
13.11 mi11:18:271:18:215:594:03
5:56
-0:07
25K
15.53 mi11:32:571:32:515:5914:30
5:59
+0:03
30K
18.64 mi11:51:351:51:295:5918:38
6:00
+0:01
20M
20.00 mi11:59:491:59:435:598:14
6:04
+0:04
21M
21.00 mi12:06:202:06:146:016:31
6:31
+0:27
35K
21.75 mi12:10:502:10:446:014:30
6:01
-0:30
23M
23.00 mi12:18:342:18:286:017:44
6:11
+0:10
24M
24.00 mi12:24:422:24:366:026:08
6:08
-0:03
40K
24.85 mi12:30:082:30:026:025:26
6:21
+0:13
25.2M
25.20 mi12:32:302:32:246:032:22
6:52
+0:31
Finish
26.22 mi12:38:552:38:496:046:25
6:18
-0:34

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

5:56 /mi

Average Pace

6:04 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:27

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:3918:335:5818:33
5:58
#980
10K
6.21 mi10:37:0536:595:5718:26
5:56
#944
15K
9.32 mi10:55:3655:305:5718:31
5:58
#934
20K
12.43 mi11:14:241:14:185:5918:48
6:03
#935
Half
13.11 mi11:18:271:18:215:594:03
5:56
#938
25K
15.53 mi11:32:571:32:515:5914:30
5:59
#889
30K
18.64 mi11:51:351:51:295:5918:38
6:00
#784
20M
20.00 mi11:59:491:59:435:598:14
6:04
#741
21M
21.00 mi12:06:202:06:146:016:31
6:31
#723
35K
21.75 mi12:10:502:10:446:014:30
6:01
#709
23M
23.00 mi12:18:342:18:286:017:44
6:11
#693
24M
24.00 mi12:24:422:24:366:026:08
6:08
#685
40K
24.85 mi12:30:082:30:026:025:26
6:21
#683
25.2M
25.20 mi12:32:302:32:246:032:22
6:52
#682
Finish
26.22 mi12:38:552:38:496:046:25
6:18
#697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi980921921914(Top 3%)861(Top 5%)861(Top 15%)
10K6.21 mi3.10 mi944+36887+34887+34911(Top 3%)857(Top 5%)857(Top 15%)
15K9.32 mi3.11 mi934+10878+9878+9914(Top 3%)861(Top 5%)861(Top 15%)
20K12.43 mi3.11 mi935-1880-2880-2997(Top 4%)939(Top 6%)939(Top 17%)
Half13.11 mi0.68 mi938-3883-3883-3910(Top 3%)860(Top 5%)860(Top 15%)
25K15.53 mi2.42 mi889+49837+46837+46743(Top 3%)695(Top 4%)695(Top 12%)
30K18.64 mi3.11 mi784+105735+102735+102482(Top 2%)448(Top 3%)448(Top 8%)
20M20.00 mi1.36 mi741+43694+41694+41479(Top 2%)449(Top 3%)449(Top 8%)
21M21.00 mi1.00 mi723+18675+19675+19712(Top 3%)673(Top 4%)673(Top 12%)
35K21.75 mi0.75 mi709+14661+14661+14752(Top 3%)703(Top 4%)703(Top 12%)
23M23.00 mi1.25 mi693+16645+16645+16628(Top 2%)592(Top 4%)592(Top 10%)
24M24.00 mi1.00 mi685+8636+9636+9835(Top 3%)784(Top 5%)784(Top 14%)
40K24.85 mi0.85 mi683+2634+2634+21087(Top 4%)1016(Top 6%)1016(Top 18%)
25.2M25.20 mi0.35 mi682+1633+1633+11090(Top 4%)1000(Top 6%)1000(Top 18%)
Finish26.22 mi1.02 mi697-15648-15648-151854(Top 7%)1709(Top 11%)1709(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

914

Males

861

M18-39

861

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

911

Males

857

M18-39

857

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

914

Males

861

M18-39

861

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

997

Males

939

M18-39

939

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

910

Males

860

M18-39

860

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

743

Males

695

M18-39

695

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

482

Males

448

M18-39

448

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

479

Males

449

M18-39

449

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

712

Males

673

M18-39

673

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

752

Males

703

M18-39

703

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

628

Males

592

M18-39

592

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

835

Males

784

M18-39

784

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1087

Males

1016

M18-39

1016

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1090

Males

1000

M18-39

1000

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1854

Males

1709

M18-39

1709

Passing Analysis

Category:
Athletes Passed
437
Passed By
154
Net Change
+283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#980
5K → 10K6630+36#980#944
10K → 15K2616+10#944#934
15K → 20K3233-1#934#935
20K → Half25-3#935#938
Half → 25K556+49#938#889
25K → 30K1050+105#889#784
30K → 20M430+43#784#741
20M → 21M2911+18#741#723
21M → 35K217+14#723#709
35K → 23M193+16#709#693
23M → 24M157+8#693#685
24M → 40K1412+2#685#683
40K → 25.2M43+1#683#682
25.2M → Finish621-15#682#697
TOTALS437154+283
📊

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