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BOSTON MARATHON 2025

Christopher Smith

Bib: 14431•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M50-54)
#0 / 1996
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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:20
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:36:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:41:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:59:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:24:13
↑ 181↓ 1480.2%
20M
8:04/mi
2:35:11
↑ 64↓ 500.2%
21M
8:34/mi
2:43:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:49:44
↑ 17↓ 861.7%
23M
8:54/mi
3:00:53
↑ 23↓ 630.6%
24M
8:13/mi
3:09:06
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:16:28
↓ 200.3%
25.2M
9:14/mi
3:19:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:27:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:29
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0523:507:4023:50
7:40
-
10K
6.21 mi11:18:2048:057:4424:15
7:48
+0:08
15K
9.32 mi11:42:351:12:207:4624:15
7:48
0:00
20K
12.43 mi12:06:391:36:247:4524:04
7:45
-0:03
Half
13.11 mi12:11:441:41:297:445:05
7:27
-0:18
25K
15.53 mi12:30:141:59:597:4318:30
7:38
+0:11
30K
18.64 mi12:54:282:24:137:4424:14
7:48
+0:10
20M
20.00 mi13:05:262:35:117:4610:58
8:04
+0:16
21M
21.00 mi13:14:002:43:457:488:34
8:34
+0:30
35K
21.75 mi13:19:592:49:447:485:59
8:00
-0:34
23M
23.00 mi13:31:083:00:537:5211:09
8:54
+0:54
24M
24.00 mi13:39:213:09:067:538:13
8:13
-0:41
40K
24.85 mi13:46:433:16:287:547:22
8:37
+0:24
25.2M
25.20 mi13:49:543:19:397:553:11
9:14
+0:37
Finish
26.22 mi13:57:553:27:407:568:01
7:52
-1:22

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

7:27 /mi

Average Pace

7:56 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:05

2% of race

Time at Steady Pace

2:44:06

79% of race

Time at Slower Pace

38:29

19% of race

Average Pace: 7:55 /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 mi10:54:0523:507:4023:50
7:40
#13697
10K
6.21 mi11:18:2048:057:4424:15
7:48
#14219
15K
9.32 mi11:42:351:12:207:4624:15
7:48
#14291
20K
12.43 mi12:06:391:36:247:4524:04
7:45
#13873
Half
13.11 mi12:11:441:41:297:445:05
7:27
#13720
25K
15.53 mi12:30:141:59:597:4318:30
7:38
#13223
30K
18.64 mi12:54:282:24:137:4424:14
7:48
#12555
20M
20.00 mi13:05:262:35:117:4610:58
8:04
#12400
21M
21.00 mi13:14:002:43:457:488:34
8:34
#12286
35K
21.75 mi13:19:592:49:447:485:59
8:00
#12253
23M
23.00 mi13:31:083:00:537:5211:09
8:54
#12477
24M
24.00 mi13:39:213:09:067:538:13
8:13
#12471
40K
24.85 mi13:46:433:16:287:547:22
8:37
#12512
25.2M
25.20 mi13:49:543:19:397:553:11
9:14
#12521
Finish
26.22 mi13:57:553:27:407:568:01
7:52
#12488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi136979949994914400(Top 51%)10095(Top 63%)10095(Top 506%)
10K6.21 mi3.10 mi14219-52210106-15710106-15714841(Top 52%)10347(Top 64%)10347(Top 518%)
15K9.32 mi3.11 mi14291-7210115-910115-914400(Top 51%)10095(Top 63%)10095(Top 506%)
20K12.43 mi3.11 mi13873+4189893+2229893+22212802(Top 45%)9328(Top 58%)9328(Top 467%)
Half13.11 mi0.68 mi13720+1539815+789815+7811284(Top 40%)8695(Top 54%)8695(Top 436%)
25K15.53 mi2.42 mi13223+4979576+2399576+23910984(Top 39%)8381(Top 52%)8381(Top 420%)
30K18.64 mi3.11 mi12555+6689222+3549222+3549938(Top 35%)7660(Top 48%)7660(Top 384%)
20M20.00 mi1.36 mi12400+1559116+1069116+10610885(Top 38%)7978(Top 50%)7978(Top 400%)
21M21.00 mi1.00 mi12286+1149032+849032+8410885(Top 38%)7824(Top 49%)7824(Top 392%)
35K21.75 mi0.75 mi12253+338989+438989+4312232(Top 43%)8437(Top 52%)8437(Top 423%)
23M23.00 mi1.25 mi12477-2249054-659054-6515682(Top 55%)9926(Top 62%)9926(Top 497%)
24M24.00 mi1.00 mi12471+69031+239031+2312662(Top 45%)8488(Top 53%)8488(Top 425%)
40K24.85 mi0.85 mi12512-419018+139018+1314126(Top 50%)9053(Top 56%)9053(Top 454%)
25.2M25.20 mi0.35 mi12521-99005+139005+1313031(Top 46%)8476(Top 53%)8476(Top 425%)
Finish26.22 mi1.02 mi12488+338957+488957+4811917(Top 42%)7998(Top 50%)7998(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14400

Males

10095

M50-54

10095

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14841

Males

10347

M50-54

10347

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14400

Males

10095

M50-54

10095

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12802

Males

9328

M50-54

9328

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11284

Males

8695

M50-54

8695

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10984

Males

8381

M50-54

8381

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9938

Males

7660

M50-54

7660

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10885

Males

7978

M50-54

7978

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10885

Males

7824

M50-54

7824

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12232

Males

8437

M50-54

8437

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15682

Males

9926

M50-54

9926

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12662

Males

8488

M50-54

8488

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14126

Males

9053

M50-54

9053

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13031

Males

8476

M50-54

8476

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11917

Males

7998

M50-54

7998

Passing Analysis

Category:
Athletes Passed
2827
Passed By
1618
Net Change
+1209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13697
5K → 10K123645-522#13697#14219
10K → 15K177249-72#14219#14291
15K → 20K45234+418#14291#13873
20K → Half1530+153#13873#13720
Half → 25K5003+497#13720#13223
25K → 30K68113+668#13223#12555
30K → 20M18934+155#12555#12400
20M → 21M15541+114#12400#12286
21M → 35K7340+33#12286#12253
35K → 23M60284-224#12253#12477
23M → 24M8478+6#12477#12471
24M → 40K60101-41#12471#12512
40K → 25.2M3241-9#12512#12521
25.2M → Finish8855+33#12521#12488
TOTALS28271618+1209
📊

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