Boston Marathon logo
BOSTON MARATHON 2025

Brian Learn

Bib: 2643•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
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
6:03/mi
18:49
↑ 97↓ 3451.5%
10K· 6.21 mi
5:52/mi
37:03
↑ 79↓ 1380.4%
15K· 9.32 mi
5:57/mi
55:33
↑ 67↓ 78
20K· 12.43 mi
5:58/mi
1:14:04
↑ 106↓ 860.1%
Half· 13.11 mi
5:50/mi
1:18:03
↑ 19↓ 370.5%
25K· 15.53 mi
5:54/mi
1:32:21
↑ 66↓ 880.2%
30K· 18.64 mi
5:57/mi
1:50:51
↑ 181↓ 1480.2%
20M
6:04/mi
1:59:05
↑ 64↓ 500.2%
21M
6:21/mi
2:05:26
↑ 106↓ 241.6%
35K· 21.75 mi
5:48/mi
2:09:46
↑ 17↓ 861.7%
23M
6:07/mi
2:17:25
↑ 23↓ 630.6%
24M
5:58/mi
2:23:23
↓ 821.3%
40K· 24.85 mi
6:07/mi
2:28:37
↓ 200.3%
25.2M
6:52/mi
2:30:59
↑ 13↓ 160.2%
Finish· 26.22 mi
6:11/mi
2:37:17
↑ 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
Time1:18:03
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:19:14
Pace6:03 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0118:496:0318:49
6:03
-
10K
6.21 mi10:38:1537:035:5818:14
5:52
-0:11
15K
9.32 mi10:56:4555:335:5818:30
5:57
+0:05
20K
12.43 mi11:15:161:14:045:5818:31
5:58
+0:01
Half
13.11 mi11:19:151:18:035:573:59
5:50
-0:08
25K
15.53 mi11:33:331:32:215:5714:18
5:54
+0:04
30K
18.64 mi11:52:031:50:515:5718:30
5:57
+0:03
20M
20.00 mi12:00:171:59:055:578:14
6:04
+0:07
21M
21.00 mi12:06:382:05:265:586:21
6:21
+0:17
35K
21.75 mi12:10:582:09:465:584:20
5:48
-0:33
23M
23.00 mi12:18:372:17:255:587:39
6:07
+0:19
24M
24.00 mi12:24:352:23:235:585:58
5:58
-0:09
40K
24.85 mi12:29:492:28:375:595:14
6:07
+0:09
25.2M
25.20 mi12:32:112:30:595:592:22
6:52
+0:45
Finish
26.22 mi12:38:292:37:176:006:18
6:11
-0:41

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

5:48 /mi

Average Pace

6:00 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:55

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:22

2% of race

Average Pace: 6:00 /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 mi10:20:0118:496:0318:49
6:03
#1241
10K
6.21 mi10:38:1537:035:5818:14
5:52
#979
15K
9.32 mi10:56:4555:335:5818:30
5:57
#945
20K
12.43 mi11:15:161:14:045:5818:31
5:58
#893
Half
13.11 mi11:19:151:18:035:573:59
5:50
#873
25K
15.53 mi11:33:331:32:215:5714:18
5:54
#810
30K
18.64 mi11:52:031:50:515:5718:30
5:57
#702
20M
20.00 mi12:00:171:59:055:578:14
6:04
#668
21M
21.00 mi12:06:382:05:265:586:21
6:21
#636
35K
21.75 mi12:10:582:09:465:584:20
5:48
#617
23M
23.00 mi12:18:372:17:255:587:39
6:07
#596
24M
24.00 mi12:24:352:23:235:585:58
5:58
#589
40K
24.85 mi12:29:492:28:375:595:14
6:07
#578
25.2M
25.20 mi12:32:112:30:595:592:22
6:52
#582
Finish
26.22 mi12:38:292:37:176:006:18
6:11
#590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi124111761176894(Top 3%)842(Top 5%)842(Top 15%)
10K6.21 mi3.10 mi979+262921+255921+255760(Top 3%)713(Top 4%)713(Top 13%)
15K9.32 mi3.11 mi945+34889+32889+32894(Top 3%)842(Top 5%)842(Top 15%)
20K12.43 mi3.11 mi893+52839+50839+50768(Top 3%)719(Top 4%)719(Top 13%)
Half13.11 mi0.68 mi873+20821+18821+18663(Top 2%)620(Top 4%)620(Top 11%)
25K15.53 mi2.42 mi810+63759+62759+62568(Top 2%)525(Top 3%)525(Top 9%)
30K18.64 mi3.11 mi702+108655+104655+104442(Top 2%)410(Top 3%)410(Top 7%)
20M20.00 mi1.36 mi668+34621+34621+34476(Top 2%)446(Top 3%)446(Top 8%)
21M21.00 mi1.00 mi636+32589+32589+32435(Top 2%)410(Top 3%)410(Top 7%)
35K21.75 mi0.75 mi617+19570+19570+19370(Top 1%)345(Top 2%)345(Top 6%)
23M23.00 mi1.25 mi596+21550+20550+20503(Top 2%)475(Top 3%)475(Top 8%)
24M24.00 mi1.00 mi589+7543+7543+7509(Top 2%)473(Top 3%)473(Top 8%)
40K24.85 mi0.85 mi578+11533+10533+10577(Top 2%)539(Top 3%)539(Top 10%)
25.2M25.20 mi0.35 mi582-4537-4537-41083(Top 4%)993(Top 6%)993(Top 18%)
Finish26.22 mi1.02 mi590-8544-7544-71445(Top 5%)1343(Top 8%)1343(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

894

Males

842

M18-39

842

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

760

Males

713

M18-39

713

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

894

Males

842

M18-39

842

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

768

Males

719

M18-39

719

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

663

Males

620

M18-39

620

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

568

Males

525

M18-39

525

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

442

Males

410

M18-39

410

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

476

Males

446

M18-39

446

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

435

Males

410

M18-39

410

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

370

Males

345

M18-39

345

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

503

Males

475

M18-39

475

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

509

Males

473

M18-39

473

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

577

Males

539

M18-39

539

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1083

Males

993

M18-39

993

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1445

Males

1343

M18-39

1343

Passing Analysis

Category:
Athletes Passed
719
Passed By
68
Net Change
+651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1241
5K → 10K2653+262#1241#979
10K → 15K4410+34#979#945
15K → 20K597+52#945#893
20K → Half200+20#893#873
Half → 25K663+63#873#810
25K → 30K1091+108#810#702
30K → 20M384+34#702#668
20M → 21M342+32#668#636
21M → 35K190+19#636#617
35K → 23M254+21#617#596
23M → 24M103+7#596#589
24M → 40K165+11#589#578
40K → 25.2M26-4#578#582
25.2M → Finish1220-8#582#590
TOTALS71968+651
📊

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