Boston Marathon logo
BOSTON MARATHON 2025

Esmond Brown

Bib: 925•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:27
Rank: #892
Start → 5K
18:27 | 5:56/mi
10K· 6.21 mi
36:37
Rank: #782 (+110)
5K → 10K
18:10 | 5:51/mi
15K· 9.32 mi
54:52
Rank: #758 (+24)
10K → 15K
18:15 | 5:52/mi
20K· 12.43 mi
1:13:18
Rank: #732 (+26)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:17:16
Rank: #728 (+4)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:40
Rank: #697 (+31)
Half → 25K
14:24 | 5:56/mi
30K· 18.64 mi
1:50:54
Rank: #713 (-16)
25K → 30K
19:14 | 6:11/mi
20M
1:59:23
Rank: #704 (+9)
30K → 20M
8:29 | 6:15/mi
21M
2:06:06
Rank: #711 (-7)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:10:44
Rank: #710 (+1)
21M → 35K
4:38 | 6:12/mi
23M
2:18:48
Rank: #718 (-8)
35K → 23M
8:04 | 6:27/mi
24M
2:25:04
Rank: #722 (-4)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:30:30
Rank: #721 (+1)
24M → 40K
5:26 | 6:21/mi
25.2M
2:32:54
Rank: #716 (+5)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:39:18
Rank: #739 (-23)
25.2M → Finish
6:24 | 6:17/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
Time1:17:16
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:22:02
Pace6:15 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3718:275:5618:27
5:56
-
10K
6.21 mi10:36:4736:375:5418:10
5:51
-0:05
15K
9.32 mi10:55:0254:525:5318:15
5:52
+0:01
20K
12.43 mi11:13:281:13:185:5418:26
5:56
+0:04
Half
13.11 mi11:17:261:17:165:543:58
5:49
-0:07
25K
15.53 mi11:31:501:31:405:5414:24
5:56
+0:07
30K
18.64 mi11:51:041:50:545:5719:14
6:11
+0:15
20M
20.00 mi11:59:331:59:235:588:29
6:15
+0:04
21M
21.00 mi12:06:162:06:066:006:43
6:43
+0:28
35K
21.75 mi12:10:542:10:446:014:38
6:12
-0:31
23M
23.00 mi12:18:582:18:486:028:04
6:27
+0:15
24M
24.00 mi12:25:142:25:046:036:16
6:16
-0:11
40K
24.85 mi12:30:402:30:306:035:26
6:21
+0:05
25.2M
25.20 mi12:33:042:32:546:042:24
6:58
+0:37
Finish
26.22 mi12:39:282:39:186:056:24
6:17
-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

5:49 /mi

Average Pace

6:05 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:07

89% of race

Time at Steady Pace

14:47

9% of race

Time at Slower Pace

2:24

2% of race

Average Pace: 6:05 /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 mi10:18:3718:275:5618:27
5:56
#892
10K
6.21 mi10:36:4736:375:5418:10
5:51
#782
15K
9.32 mi10:55:0254:525:5318:15
5:52
#758
20K
12.43 mi11:13:281:13:185:5418:26
5:56
#732
Half
13.11 mi11:17:261:17:165:543:58
5:49
#728
25K
15.53 mi11:31:501:31:405:5414:24
5:56
#697
30K
18.64 mi11:51:041:50:545:5719:14
6:11
#713
20M
20.00 mi11:59:331:59:235:588:29
6:15
#704
21M
21.00 mi12:06:162:06:066:006:43
6:43
#711
35K
21.75 mi12:10:542:10:446:014:38
6:12
#710
23M
23.00 mi12:18:582:18:486:028:04
6:27
#718
24M
24.00 mi12:25:142:25:046:036:16
6:16
#722
40K
24.85 mi12:30:402:30:306:035:26
6:21
#721
25.2M
25.20 mi12:33:042:32:546:042:24
6:58
#716
Finish
26.22 mi12:39:282:39:186:056:24
6:17
#739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi892834834702(Top 2%)656(Top 4%)656(Top 12%)
10K6.21 mi3.10 mi782+110730+104730+104700(Top 2%)655(Top 4%)655(Top 12%)
15K9.32 mi3.11 mi758+24708+22708+22702(Top 2%)656(Top 4%)656(Top 12%)
20K12.43 mi3.11 mi732+26683+25683+25700(Top 2%)653(Top 4%)653(Top 12%)
Half13.11 mi0.68 mi728+4679+4679+4618(Top 2%)579(Top 4%)579(Top 10%)
25K15.53 mi2.42 mi697+31649+30649+30660(Top 2%)613(Top 4%)613(Top 11%)
30K18.64 mi3.11 mi713-16666-17666-17883(Top 3%)827(Top 5%)827(Top 15%)
20M20.00 mi1.36 mi704+9657+9657+9818(Top 3%)771(Top 5%)771(Top 14%)
21M21.00 mi1.00 mi711-7664-7664-71228(Top 4%)1158(Top 7%)1158(Top 21%)
35K21.75 mi0.75 mi710+1662+2662+21173(Top 4%)1104(Top 7%)1104(Top 20%)
23M23.00 mi1.25 mi718-8669-7669-71264(Top 4%)1189(Top 7%)1189(Top 21%)
24M24.00 mi1.00 mi722-4673-4673-41187(Top 4%)1112(Top 7%)1112(Top 20%)
40K24.85 mi0.85 mi721+1672+1672+11088(Top 4%)1017(Top 6%)1017(Top 18%)
25.2M25.20 mi0.35 mi716+5667+5667+51323(Top 5%)1210(Top 8%)1210(Top 21%)
Finish26.22 mi1.02 mi739-23688-21688-211791(Top 6%)1654(Top 10%)1654(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

702

Males

656

M18-39

656

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

700

Males

655

M18-39

655

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

702

Males

656

M18-39

656

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

700

Males

653

M18-39

653

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

618

Males

579

M18-39

579

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

660

Males

613

M18-39

613

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

883

Males

827

M18-39

827

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

818

Males

771

M18-39

771

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1228

Males

1158

M18-39

1158

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1173

Males

1104

M18-39

1104

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1264

Males

1189

M18-39

1189

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1187

Males

1112

M18-39

1112

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1088

Males

1017

M18-39

1017

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1323

Males

1210

M18-39

1210

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1791

Males

1654

M18-39

1654

Passing Analysis

Category:
Athletes Passed
363
Passed By
210
Net Change
+153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#892
5K → 10K1188+110#892#782
10K → 15K3814+24#782#758
15K → 20K3610+26#758#732
20K → Half62+4#732#728
Half → 25K387+31#728#697
25K → 30K2945-16#697#713
30K → 20M2213+9#713#704
20M → 21M1017-7#704#711
21M → 35K1514+1#711#710
35K → 23M1220-8#710#718
23M → 24M1115-4#718#722
24M → 40K87+1#722#721
40K → 25.2M94+5#721#716
25.2M → Finish1134-23#716#739
TOTALS363210+153
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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