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BOSTON MARATHON 2025

Sean Smith

Bib: 27649•M

MA

0:00
0:00
/ mi
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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
9:33/mi
29:39
↑ 97↓ 3451.5%
10K· 6.21 mi
9:59/mi
1:00:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:29/mi
1:33:13
↑ 67↓ 78
20K· 12.43 mi
11:08/mi
2:07:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:15:03
↑ 19↓ 370.5%
25K· 15.53 mi
12:00/mi
2:44:09
↑ 66↓ 880.2%
30K· 18.64 mi
12:17/mi
3:22:18
↑ 181↓ 1480.2%
20M
14:07/mi
3:41:29
↑ 64↓ 500.2%
21M
16:03/mi
3:57:32
↑ 106↓ 241.6%
35K· 21.75 mi
12:38/mi
4:06:59
↑ 17↓ 861.7%
23M
13:36/mi
4:24:01
↑ 23↓ 630.6%
24M
12:46/mi
4:36:47
↓ 821.3%
40K· 24.85 mi
11:45/mi
4:46:50
↓ 200.3%
25.2M
13:35/mi
4:51:31
↑ 13↓ 160.2%
Finish· 26.22 mi
11:33/mi
5:03:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:03
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:48:14
Pace12:50 /mi
📊Positive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1129:399:3329:39
9:33
-
10K
6.21 mi12:17:111:00:399:4631:00
9:59
+0:26
15K
9.32 mi12:49:451:33:1310:0032:34
10:29
+0:30
20K
12.43 mi13:24:202:07:4810:1734:35
11:08
+0:39
Half
13.11 mi13:31:352:15:0310:187:15
10:38
-0:30
25K
15.53 mi14:00:412:44:0910:3429:06
12:00
+1:22
30K
18.64 mi14:38:503:22:1810:5138:09
12:17
+0:17
20M
20.00 mi14:58:013:41:2911:0419:11
14:07
+1:50
21M
21.00 mi15:14:043:57:3211:1916:03
16:03
+1:56
35K
21.75 mi15:23:314:06:5911:219:27
12:38
-3:25
23M
23.00 mi15:40:334:24:0111:2917:02
13:36
+0:58
24M
24.00 mi15:53:194:36:4711:3212:46
12:46
-0:50
40K
24.85 mi16:03:224:46:5011:3210:03
11:45
-1:01
25.2M
25.20 mi16:08:034:51:3111:344:41
13:35
+1:50
Finish
26.22 mi16:19:495:03:1711:3511:46
11:33
-2:02

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

9:33 /mi

Average Pace

11:35 /mi

Slowest Pace

16:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:03

45% of race

Time at Steady Pace

1:51:17

37% of race

Time at Slower Pace

56:57

19% of race

Average Pace: 11:34 /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 mi11:46:1129:399:3329:39
9:33
#24379
10K
6.21 mi12:17:111:00:399:4631:00
9:59
#24882
15K
9.32 mi12:49:451:33:1310:0032:34
10:29
#25290
20K
12.43 mi13:24:202:07:4810:1734:35
11:08
#25581
Half
13.11 mi13:31:352:15:0310:187:15
10:38
#25608
25K
15.53 mi14:00:412:44:0910:3429:06
12:00
#25811
30K
18.64 mi14:38:503:22:1810:5138:09
12:17
#25834
20M
20.00 mi14:58:013:41:2911:0419:11
14:07
#26024
21M
21.00 mi15:14:043:57:3211:1916:03
16:03
#26217
35K
21.75 mi15:23:314:06:5911:219:27
12:38
#26244
23M
23.00 mi15:40:334:24:0111:2917:02
13:36
#26307
24M
24.00 mi15:53:194:36:4711:3212:46
12:46
#26322
40K
24.85 mi16:03:224:46:5011:3210:03
11:45
#26273
25.2M
25.20 mi16:08:034:51:3111:344:41
13:35
#26274
Finish
26.22 mi16:19:495:03:1711:3511:46
11:33
#26290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24379144271442725908(Top 91%)15101(Top 94%)15101(Top 268%)
10K6.21 mi3.10 mi24882-50314652-22514652-22525268(Top 89%)14823(Top 92%)14823(Top 263%)
15K9.32 mi3.11 mi25290-40814841-18914841-18925908(Top 91%)15101(Top 94%)15101(Top 268%)
20K12.43 mi3.11 mi25581-29114966-12514966-12526200(Top 92%)15217(Top 94%)15217(Top 270%)
Half13.11 mi0.68 mi25608-2714979-1314979-1325982(Top 91%)15102(Top 94%)15102(Top 268%)
25K15.53 mi2.42 mi25811-20315048-6915048-6926434(Top 93%)15270(Top 95%)15270(Top 271%)
30K18.64 mi3.11 mi25834-2315034+1415034+1425918(Top 91%)14953(Top 93%)14953(Top 265%)
20M20.00 mi1.36 mi26024-19015111-7715111-7727373(Top 96%)15554(Top 97%)15554(Top 276%)
21M21.00 mi1.00 mi26217-19315179-6815179-6827831(Top 98%)15788(Top 98%)15788(Top 280%)
35K21.75 mi0.75 mi26244-2715185-615185-626604(Top 94%)15142(Top 94%)15142(Top 268%)
23M23.00 mi1.25 mi26307-6315197-1215197-1226970(Top 95%)15316(Top 95%)15316(Top 271%)
24M24.00 mi1.00 mi26322-1515193+415193+426610(Top 94%)15119(Top 94%)15119(Top 268%)
40K24.85 mi0.85 mi26273+4915163+3015163+3024568(Top 86%)14050(Top 87%)14050(Top 249%)
25.2M25.20 mi0.35 mi26274-115166-315166-325794(Top 91%)14645(Top 91%)14645(Top 260%)
Finish26.22 mi1.02 mi26290-1615170-415170-426208(Top 92%)14889(Top 92%)14889(Top 264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25908

Males

15101

M18-39

15101

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25268

Males

14823

M18-39

14823

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25908

Males

15101

M18-39

15101

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26200

Males

15217

M18-39

15217

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25982

Males

15102

M18-39

15102

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26434

Males

15270

M18-39

15270

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25918

Males

14953

M18-39

14953

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27373

Males

15554

M18-39

15554

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27831

Males

15788

M18-39

15788

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26604

Males

15142

M18-39

15142

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26970

Males

15316

M18-39

15316

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26610

Males

15119

M18-39

15119

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24568

Males

14050

M18-39

14050

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25794

Males

14645

M18-39

14645

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26208

Males

14889

M18-39

14889

Passing Analysis

Category:
Athletes Passed
487
Passed By
2398
Net Change
-1911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24379
5K → 10K68571-503#24379#24882
10K → 15K36444-408#24882#25290
15K → 20K51342-291#25290#25581
20K → Half1138-27#25581#25608
Half → 25K48251-203#25608#25811
25K → 30K95118-23#25811#25834
30K → 20M15205-190#25834#26024
20M → 21M9202-193#26024#26217
21M → 35K1946-27#26217#26244
35K → 23M1881-63#26244#26307
23M → 24M2641-15#26307#26322
24M → 40K578+49#26322#26273
40K → 25.2M1415-1#26273#26274
25.2M → Finish2036-16#26274#26290
TOTALS4872398-1911
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing