Boston Marathon logo
BOSTON MARATHON 2025

Brian Sheridan

Bib: 26699•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
56:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:23/mi
1:25:24
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:52:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:58:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:21:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:48:54
↑ 181↓ 1480.2%
20M
9:02/mi
3:01:10
↑ 64↓ 500.2%
21M
9:03/mi
3:10:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
3:16:16
↑ 17↓ 861.7%
23M
8:27/mi
3:26:51
↑ 23↓ 630.6%
24M
8:00/mi
3:34:51
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:41:48
↓ 200.3%
25.2M
8:39/mi
3:44:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:52:52
↑ 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 Half
Distance13.11 mi
Time1:58:55
Pace9:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2528:039:0228:03
9:02
-
10K
6.21 mi12:24:3856:169:0328:13
9:05
+0:03
15K
9.32 mi12:53:461:25:249:1029:08
9:23
+0:18
20K
12.43 mi13:21:171:52:559:0527:31
8:51
-0:32
Half
13.11 mi13:27:171:58:559:046:00
8:48
-0:03
25K
15.53 mi13:49:232:21:019:0522:06
9:07
+0:19
30K
18.64 mi14:17:162:48:549:0427:53
8:58
-0:09
20M
20.00 mi14:29:323:01:109:0312:16
9:02
+0:04
21M
21.00 mi14:38:353:10:139:039:03
9:03
+0:01
35K
21.75 mi14:44:383:16:169:016:03
8:05
-0:58
23M
23.00 mi14:55:133:26:519:0010:35
8:27
+0:22
24M
24.00 mi15:03:133:34:518:578:00
8:00
-0:27
40K
24.85 mi15:10:103:41:488:556:57
8:08
+0:08
25.2M
25.20 mi15:13:093:44:478:552:59
8:39
+0:31
Finish
26.22 mi15:21:143:52:528:538:05
7:56
-0:43

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

7:56 /mi

Average Pace

8:53 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:39

18% of race

Time at Steady Pace

2:41:05

69% of race

Time at Slower Pace

29:08

13% of race

Average Pace: 8:53 /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 mi11:56:2528:039:0228:03
9:02
#22534
10K
6.21 mi12:24:3856:169:0328:13
9:05
#22639
15K
9.32 mi12:53:461:25:249:1029:08
9:23
#22939
20K
12.43 mi13:21:171:52:559:0527:31
8:51
#22294
Half
13.11 mi13:27:171:58:559:046:00
8:48
#22225
25K
15.53 mi13:49:232:21:019:0522:06
9:07
#21917
30K
18.64 mi14:17:162:48:549:0427:53
8:58
#21147
20M
20.00 mi14:29:323:01:109:0312:16
9:02
#20834
21M
21.00 mi14:38:353:10:139:039:03
9:03
#20469
35K
21.75 mi14:44:383:16:169:016:03
8:05
#20234
23M
23.00 mi14:55:133:26:519:0010:35
8:27
#19876
24M
24.00 mi15:03:133:34:518:578:00
8:00
#19558
40K
24.85 mi15:10:103:41:488:556:57
8:08
#19284
25.2M
25.20 mi15:13:093:44:478:552:59
8:39
#19137
Finish
26.22 mi15:21:143:52:528:538:05
7:56
#18919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22534135451354523409(Top 82%)14023(Top 87%)14023(Top 249%)
10K6.21 mi3.10 mi22639-10513616-7113616-7122734(Top 80%)13679(Top 85%)13679(Top 242%)
15K9.32 mi3.11 mi22939-30013788-17213788-17223409(Top 82%)14023(Top 87%)14023(Top 249%)
20K12.43 mi3.11 mi22294+64513476+31213476+31220243(Top 71%)12569(Top 78%)12569(Top 223%)
Half13.11 mi0.68 mi22225+6913443+3313443+3320847(Top 73%)12823(Top 80%)12823(Top 227%)
25K15.53 mi2.42 mi21917+30813298+14513298+14520405(Top 72%)12587(Top 78%)12587(Top 223%)
30K18.64 mi3.11 mi21147+77012922+37612922+37617549(Top 62%)11171(Top 69%)11171(Top 198%)
20M20.00 mi1.36 mi20834+31312763+15912763+15916923(Top 60%)10788(Top 67%)10788(Top 191%)
21M21.00 mi1.00 mi20469+36512574+18912574+18913806(Top 49%)9258(Top 57%)9258(Top 164%)
35K21.75 mi0.75 mi20234+23512453+12112453+12112832(Top 45%)8744(Top 54%)8744(Top 155%)
23M23.00 mi1.25 mi19876+35812268+18512268+18513011(Top 46%)8708(Top 54%)8708(Top 154%)
24M24.00 mi1.00 mi19558+31812107+16112107+16111239(Top 40%)7792(Top 48%)7792(Top 138%)
40K24.85 mi0.85 mi19284+27411976+13111976+13111089(Top 39%)7625(Top 47%)7625(Top 135%)
25.2M25.20 mi0.35 mi19137+14711898+7811898+789724(Top 34%)6843(Top 42%)6843(Top 121%)
Finish26.22 mi1.02 mi18919+21811785+11311785+11312423(Top 44%)8256(Top 51%)8256(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23409

Males

14023

M18-39

14023

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22734

Males

13679

M18-39

13679

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23409

Males

14023

M18-39

14023

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20243

Males

12569

M18-39

12569

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20847

Males

12823

M18-39

12823

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20405

Males

12587

M18-39

12587

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17549

Males

11171

M18-39

11171

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16923

Males

10788

M18-39

10788

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13806

Males

9258

M18-39

9258

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12832

Males

8744

M18-39

8744

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13011

Males

8708

M18-39

8708

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11239

Males

7792

M18-39

7792

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11089

Males

7625

M18-39

7625

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9724

Males

6843

M18-39

6843

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12423

Males

8256

M18-39

8256

Passing Analysis

Category:
Athletes Passed
4358
Passed By
743
Net Change
+3615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22534
5K → 10K200305-105#22534#22639
10K → 15K96396-300#22639#22939
15K → 20K6483+645#22939#22294
20K → Half756+69#22294#22225
Half → 25K33123+308#22225#21917
25K → 30K7744+770#21917#21147
30K → 20M3152+313#21147#20834
20M → 21M3650+365#20834#20469
21M → 35K2350+235#20469#20234
35K → 23M3591+358#20234#19876
23M → 24M3180+318#19876#19558
24M → 40K2740+274#19558#19284
40K → 25.2M1481+147#19284#19137
25.2M → Finish2202+218#19137#18919
TOTALS4358743+3615
📊

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