Boston Marathon logo
BOSTON MARATHON 2025

Sean Farnham

Bib: 31910•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
10:08/mi
31:28
↑ 97↓ 3451.5%
10K· 6.21 mi
10:16/mi
1:03:23
↑ 79↓ 1380.4%
15K· 9.32 mi
10:50/mi
1:37:03
↑ 67↓ 78
20K· 12.43 mi
12:13/mi
2:15:00
↑ 106↓ 860.1%
Half· 13.11 mi
11:23/mi
2:22:46
↑ 19↓ 370.5%
25K· 15.53 mi
12:06/mi
2:52:07
↑ 66↓ 880.2%
30K· 18.64 mi
12:41/mi
3:31:30
↑ 181↓ 1480.2%
20M
13:10/mi
3:49:24
↑ 64↓ 500.2%
21M
13:11/mi
4:02:35
↑ 106↓ 241.6%
35K· 21.75 mi
11:14/mi
4:10:59
↑ 17↓ 861.7%
23M
12:31/mi
4:26:39
↑ 23↓ 630.6%
24M
11:43/mi
4:38:22
↓ 821.3%
40K· 24.85 mi
12:38/mi
4:49:10
↓ 200.3%
25.2M
14:04/mi
4:54:01
↑ 13↓ 160.2%
Finish· 26.22 mi
12:43/mi
5:06:59
↑ 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
Time2:22:46
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:44:13
Pace12:32 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0631:2810:0831:28
10:08
-
10K
6.21 mi12:26:011:03:2310:1231:55
10:16
+0:08
15K
9.32 mi12:59:411:37:0310:2533:40
10:50
+0:34
20K
12.43 mi13:37:382:15:0010:5237:57
12:13
+1:23
Half
13.11 mi13:45:242:22:4610:537:46
11:23
-0:50
25K
15.53 mi14:14:452:52:0711:0529:21
12:06
+0:43
30K
18.64 mi14:54:083:31:3011:2139:23
12:41
+0:35
20M
20.00 mi15:12:023:49:2411:2817:54
13:10
+0:29
21M
21.00 mi15:25:134:02:3511:3313:11
13:11
+0:01
35K
21.75 mi15:33:374:10:5911:328:24
11:14
-1:57
23M
23.00 mi15:49:174:26:3911:3615:40
12:31
+1:17
24M
24.00 mi16:01:004:38:2211:3611:43
11:43
-0:48
40K
24.85 mi16:11:484:49:1011:3810:48
12:38
+0:55
25.2M
25.20 mi16:16:394:54:0111:404:51
14:04
+1:26
Finish
26.22 mi16:29:375:06:5911:4312:58
12:43
-1:21

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

10:08 /mi

Average Pace

11:43 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:13

37% of race

Time at Steady Pace

2:37:50

51% of race

Time at Slower Pace

35:56

12% of race

Average Pace: 11:42 /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 mi11:54:0631:2810:0831:28
10:08
#25892
10K
6.21 mi12:26:011:03:2310:1231:55
10:16
#25909
15K
9.32 mi12:59:411:37:0310:2533:40
10:50
#26103
20K
12.43 mi13:37:382:15:0010:5237:57
12:13
#26586
Half
13.11 mi13:45:242:22:4610:537:46
11:23
#26604
25K
15.53 mi14:14:452:52:0711:0529:21
12:06
#26610
30K
18.64 mi14:54:083:31:3011:2139:23
12:41
#26598
20M
20.00 mi15:12:023:49:2411:2817:54
13:10
#26601
21M
21.00 mi15:25:134:02:3511:3313:11
13:11
#26539
35K
21.75 mi15:33:374:10:5911:328:24
11:14
#26481
23M
23.00 mi15:49:174:26:3911:3615:40
12:31
#26458
24M
24.00 mi16:01:004:38:2211:3611:43
11:43
#26429
40K
24.85 mi16:11:484:49:1011:3810:48
12:38
#26416
25.2M
25.20 mi16:16:394:54:0111:404:51
14:04
#26419
Finish
26.22 mi16:29:375:06:5911:4312:58
12:43
#26498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25892151231512326464(Top 93%)15357(Top 95%)15357(Top 272%)
10K6.21 mi3.10 mi25909-1715124-115124-125865(Top 91%)15082(Top 94%)15082(Top 267%)
15K9.32 mi3.11 mi26103-19415203-7915203-7926464(Top 93%)15357(Top 95%)15357(Top 272%)
20K12.43 mi3.11 mi26586-48315403-20015403-20027288(Top 96%)15643(Top 97%)15643(Top 277%)
Half13.11 mi0.68 mi26604-1815407-415407-426959(Top 95%)15503(Top 96%)15503(Top 275%)
25K15.53 mi2.42 mi26610-615396+1115396+1126543(Top 93%)15310(Top 95%)15310(Top 271%)
30K18.64 mi3.11 mi26598+1215367+2915367+2926350(Top 93%)15135(Top 94%)15135(Top 268%)
20M20.00 mi1.36 mi26601-315362+515362+526608(Top 94%)15196(Top 94%)15196(Top 269%)
21M21.00 mi1.00 mi26539+6215326+3615326+3625301(Top 89%)14518(Top 90%)14518(Top 257%)
35K21.75 mi0.75 mi26481+5815288+3815288+3824665(Top 87%)14197(Top 88%)14197(Top 252%)
23M23.00 mi1.25 mi26458+2315271+1715271+1725829(Top 91%)14747(Top 92%)14747(Top 261%)
24M24.00 mi1.00 mi26429+2915253+1815253+1825278(Top 89%)14452(Top 90%)14452(Top 256%)
40K24.85 mi0.85 mi26416+1315239+1415239+1425842(Top 91%)14716(Top 91%)14716(Top 261%)
25.2M25.20 mi0.35 mi26419-315237+215237+226357(Top 93%)14927(Top 93%)14927(Top 265%)
Finish26.22 mi1.02 mi26498-7915269-3215269-3227440(Top 97%)15531(Top 96%)15531(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26464

Males

15357

M18-39

15357

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25865

Males

15082

M18-39

15082

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26464

Males

15357

M18-39

15357

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27288

Males

15643

M18-39

15643

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26959

Males

15503

M18-39

15503

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26543

Males

15310

M18-39

15310

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26350

Males

15135

M18-39

15135

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26608

Males

15196

M18-39

15196

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25301

Males

14518

M18-39

14518

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24665

Males

14197

M18-39

14197

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25829

Males

14747

M18-39

14747

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25278

Males

14452

M18-39

14452

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25842

Males

14716

M18-39

14716

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26357

Males

14927

M18-39

14927

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27440

Males

15531

M18-39

15531

Passing Analysis

Category:
Athletes Passed
759
Passed By
1365
Net Change
-606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25892
5K → 10K176193-17#25892#25909
10K → 15K65259-194#25909#26103
15K → 20K24507-483#26103#26586
20K → Half1230-18#26586#26604
Half → 25K7783-6#26604#26610
25K → 30K8775+12#26610#26598
30K → 20M4447-3#26598#26601
20M → 21M719+62#26601#26539
21M → 35K591+58#26539#26481
35K → 23M5229+23#26481#26458
23M → 24M3910+29#26458#26429
24M → 40K3219+13#26429#26416
40K → 25.2M1518-3#26416#26419
25.2M → Finish685-79#26419#26498
TOTALS7591365-606
📊

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