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BOSTON MARATHON 2025

Colton Smith

Bib: 6643•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
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
6:46/mi
21:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
42:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:04:11
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:26:22
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:31:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:48:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:12:46
↑ 181↓ 1480.2%
20M
7:53/mi
2:23:29
↑ 64↓ 500.2%
21M
8:20/mi
2:31:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:37:48
↑ 17↓ 861.7%
23M
8:16/mi
2:48:09
↑ 23↓ 630.6%
24M
7:50/mi
2:55:59
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:03:03
↓ 200.3%
25.2M
8:10/mi
3:05:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:13:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:05
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:42:04
Pace7:47 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1021:006:4621:00
6:46
-
10K
6.21 mi10:48:3742:276:5021:27
6:54
+0:08
15K
9.32 mi11:10:211:04:116:5321:44
7:00
+0:06
20K
12.43 mi11:32:321:26:226:5722:11
7:08
+0:08
Half
13.11 mi11:37:151:31:056:574:43
6:55
-0:13
25K
15.53 mi11:54:561:48:467:0017:41
7:18
+0:23
30K
18.64 mi12:18:562:12:467:0724:00
7:43
+0:25
20M
20.00 mi12:29:392:23:297:1010:43
7:53
+0:10
21M
21.00 mi12:37:592:31:497:148:20
8:20
+0:27
35K
21.75 mi12:43:582:37:487:155:59
8:00
-0:20
23M
23.00 mi12:54:192:48:097:1910:21
8:16
+0:16
24M
24.00 mi13:02:092:55:597:207:50
7:50
-0:26
40K
24.85 mi13:09:133:03:037:227:04
8:16
+0:26
25.2M
25.20 mi13:12:023:05:527:232:49
8:10
-0:06
Finish
26.22 mi13:19:193:13:097:227:17
7:09
-1:01

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

6:46 /mi

Average Pace

7:22 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:03

60% of race

Time at Steady Pace

42:33

22% of race

Time at Slower Pace

34:33

18% of race

Average Pace: 7:22 /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 mi10:27:1021:006:4621:00
6:46
#6000
10K
6.21 mi10:48:3742:276:5021:27
6:54
#6592
15K
9.32 mi11:10:211:04:116:5321:44
7:00
#6969
20K
12.43 mi11:32:321:26:226:5722:11
7:08
#7168
Half
13.11 mi11:37:151:31:056:574:43
6:55
#7169
25K
15.53 mi11:54:561:48:467:0017:41
7:18
#7281
30K
18.64 mi12:18:562:12:467:0724:00
7:43
#7488
20M
20.00 mi12:29:392:23:297:1010:43
7:53
#7562
21M
21.00 mi12:37:592:31:497:148:20
8:20
#7594
35K
21.75 mi12:43:582:37:487:155:59
8:00
#7719
23M
23.00 mi12:54:192:48:097:1910:21
8:16
#7885
24M
24.00 mi13:02:092:55:597:207:50
7:50
#7971
40K
24.85 mi13:09:133:03:037:227:04
8:16
#8102
25.2M
25.20 mi13:12:023:05:527:232:49
8:10
#8061
Finish
26.22 mi13:19:193:13:097:227:17
7:09
#7952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6000551955197598(Top 27%)6680(Top 41%)6680(Top 118%)
10K6.21 mi3.10 mi6592-5925984-4655984-4657257(Top 26%)6479(Top 40%)6479(Top 115%)
15K9.32 mi3.11 mi6969-3776262-2786262-2787598(Top 27%)6680(Top 41%)6680(Top 118%)
20K12.43 mi3.11 mi7168-1996395-1336395-1337742(Top 27%)6707(Top 42%)6707(Top 119%)
Half13.11 mi0.68 mi7169-16396-16396-16998(Top 25%)6218(Top 39%)6218(Top 110%)
25K15.53 mi2.42 mi7281-1126455-596455-598302(Top 29%)6937(Top 43%)6937(Top 123%)
30K18.64 mi3.11 mi7488-2076558-1036558-1039345(Top 33%)7336(Top 46%)7336(Top 130%)
20M20.00 mi1.36 mi7562-746560-26560-29583(Top 34%)7296(Top 45%)7296(Top 129%)
21M21.00 mi1.00 mi7594-326544+166544+169398(Top 33%)7034(Top 44%)7034(Top 125%)
35K21.75 mi0.75 mi7719-1256607-636607-6312199(Top 43%)8404(Top 52%)8404(Top 149%)
23M23.00 mi1.25 mi7885-1666665-586665-5811783(Top 41%)8120(Top 50%)8120(Top 144%)
24M24.00 mi1.00 mi7971-866685-206685-2010010(Top 35%)7159(Top 44%)7159(Top 127%)
40K24.85 mi0.85 mi8102-1316736-516736-5111911(Top 42%)7992(Top 50%)7992(Top 142%)
25.2M25.20 mi0.35 mi8061+416701+356701+356845(Top 24%)5264(Top 33%)5264(Top 93%)
Finish26.22 mi1.02 mi7952+1096601+1006601+1006684(Top 24%)5144(Top 32%)5144(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7598

Males

6680

M18-39

6680

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7257

Males

6479

M18-39

6479

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7598

Males

6680

M18-39

6680

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7742

Males

6707

M18-39

6707

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6998

Males

6218

M18-39

6218

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8302

Males

6937

M18-39

6937

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9345

Males

7336

M18-39

7336

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9583

Males

7296

M18-39

7296

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9398

Males

7034

M18-39

7034

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12199

Males

8404

M18-39

8404

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11783

Males

8120

M18-39

8120

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

10010

Males

7159

M18-39

7159

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11911

Males

7992

M18-39

7992

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6845

Males

5264

M18-39

5264

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6684

Males

5144

M18-39

5144

Passing Analysis

Category:
Athletes Passed
944
Passed By
2896
Net Change
-1952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6000
5K → 10K50642-592#6000#6592
10K → 15K51428-377#6592#6969
15K → 20K90289-199#6969#7168
20K → Half1920-1#7168#7169
Half → 25K85197-112#7169#7281
25K → 30K120327-207#7281#7488
30K → 20M84158-74#7488#7562
20M → 21M81113-32#7562#7594
21M → 35K28153-125#7594#7719
35K → 23M65231-166#7719#7885
23M → 24M50136-86#7885#7971
24M → 40K39170-131#7971#8102
40K → 25.2M498+41#8102#8061
25.2M → Finish13324+109#8061#7952
TOTALS9442896-1952
📊

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