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BOSTON MARATHON 2025

Sam Davis

Bib: 19688•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:37/mi
26:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
53:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:20:51
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:48:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:53:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:15:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:44:23
↑ 181↓ 1480.2%
20M
9:26/mi
2:57:12
↑ 64↓ 500.2%
21M
9:48/mi
3:07:00
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:13:44
↑ 17↓ 861.7%
23M
9:13/mi
3:25:17
↑ 23↓ 630.6%
24M
9:00/mi
3:34:17
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:42:00
↓ 200.3%
25.2M
9:52/mi
3:45:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:54:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:00:23
Pace9:11 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1026:468:3726:46
8:37
-
10K
6.21 mi11:46:0853:448:3926:58
8:41
+0:04
15K
9.32 mi12:13:151:20:518:4027:07
8:44
+0:03
20K
12.43 mi12:40:241:48:008:4127:09
8:44
0:00
Half
13.11 mi12:46:211:53:578:425:57
8:43
-0:01
25K
15.53 mi13:07:472:15:238:4321:26
8:50
+0:07
30K
18.64 mi13:36:472:44:238:4929:00
9:20
+0:30
20M
20.00 mi13:49:362:57:128:5212:49
9:26
+0:06
21M
21.00 mi13:59:243:07:008:549:48
9:48
+0:22
35K
21.75 mi14:06:083:13:448:546:44
9:00
-0:48
23M
23.00 mi14:17:413:25:178:5611:33
9:13
+0:13
24M
24.00 mi14:26:413:34:178:569:00
9:00
-0:13
40K
24.85 mi14:34:243:42:008:567:43
9:02
+0:02
25.2M
25.20 mi14:37:483:45:248:573:24
9:52
+0:50
Finish
26.22 mi14:46:443:54:208:578:56
8:46
-1:06

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

8:37 /mi

Average Pace

8:57 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:08

94% of race

Time at Steady Pace

13:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi11:19:1026:468:3726:46
8:37
#20533
10K
6.21 mi11:46:0853:448:3926:58
8:41
#20643
15K
9.32 mi12:13:151:20:518:4027:07
8:44
#20603
20K
12.43 mi12:40:241:48:008:4127:09
8:44
#20353
Half
13.11 mi12:46:211:53:578:425:57
8:43
#20360
25K
15.53 mi13:07:472:15:238:4321:26
8:50
#20149
30K
18.64 mi13:36:472:44:238:4929:00
9:20
#19974
20M
20.00 mi13:49:362:57:128:5212:49
9:26
#19880
21M
21.00 mi13:59:243:07:008:549:48
9:48
#19728
35K
21.75 mi14:06:083:13:448:546:44
9:00
#19671
23M
23.00 mi14:17:413:25:178:5611:33
9:13
#19537
24M
24.00 mi14:26:413:34:178:569:00
9:00
#19447
40K
24.85 mi14:34:243:42:008:567:43
9:02
#19327
25.2M
25.20 mi14:37:483:45:248:573:24
9:52
#19256
Finish
26.22 mi14:46:443:54:208:578:56
8:46
#19208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20533126501265020629(Top 73%)12780(Top 79%)12780(Top 775%)
10K6.21 mi3.10 mi20643-11012727-7712727-7720753(Top 73%)12803(Top 79%)12803(Top 777%)
15K9.32 mi3.11 mi20603+4012733-612733-620629(Top 73%)12780(Top 79%)12780(Top 775%)
20K12.43 mi3.11 mi20353+25012619+11412619+11419613(Top 69%)12285(Top 76%)12285(Top 745%)
Half13.11 mi0.68 mi20360-712625-612625-620437(Top 72%)12653(Top 79%)12653(Top 768%)
25K15.53 mi2.42 mi20149+21112517+10812517+10819138(Top 67%)12036(Top 75%)12036(Top 730%)
30K18.64 mi3.11 mi19974+17512409+10812409+10819264(Top 68%)11952(Top 74%)11952(Top 725%)
20M20.00 mi1.36 mi19880+9412343+6612343+6618861(Top 66%)11621(Top 72%)11621(Top 705%)
21M21.00 mi1.00 mi19728+15212254+8912254+8917469(Top 62%)10909(Top 68%)10909(Top 662%)
35K21.75 mi0.75 mi19671+5712219+3512219+3518214(Top 64%)11150(Top 69%)11150(Top 677%)
23M23.00 mi1.25 mi19537+13412120+9912120+9917437(Top 61%)10713(Top 67%)10713(Top 650%)
24M24.00 mi1.00 mi19447+9012059+6112059+6117360(Top 61%)10637(Top 66%)10637(Top 645%)
40K24.85 mi0.85 mi19327+12011996+6311996+6316446(Top 58%)10129(Top 63%)10129(Top 615%)
25.2M25.20 mi0.35 mi19256+7111949+4711949+4716366(Top 58%)10076(Top 63%)10076(Top 611%)
Finish26.22 mi1.02 mi19208+4811903+4611903+4617865(Top 63%)10813(Top 67%)10813(Top 656%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20629

Males

12780

M55-59

12780

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20753

Males

12803

M55-59

12803

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20629

Males

12780

M55-59

12780

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19613

Males

12285

M55-59

12285

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20437

Males

12653

M55-59

12653

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19138

Males

12036

M55-59

12036

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19264

Males

11952

M55-59

11952

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18861

Males

11621

M55-59

11621

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17469

Males

10909

M55-59

10909

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18214

Males

11150

M55-59

11150

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17437

Males

10713

M55-59

10713

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17360

Males

10637

M55-59

10637

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16446

Males

10129

M55-59

10129

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16366

Males

10076

M55-59

10076

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17865

Males

10813

M55-59

10813

Passing Analysis

Category:
Athletes Passed
2338
Passed By
1013
Net Change
+1325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20533
5K → 10K229339-110#20533#20643
10K → 15K216176+40#20643#20603
15K → 20K31262+250#20603#20353
20K → Half3138-7#20353#20360
Half → 25K27261+211#20360#20149
25K → 30K314139+175#20149#19974
30K → 20M15460+94#19974#19880
20M → 21M17725+152#19880#19728
21M → 35K7316+57#19728#19671
35K → 23M16228+134#19671#19537
23M → 24M11323+90#19537#19447
24M → 40K1288+120#19447#19327
40K → 25.2M765+71#19327#19256
25.2M → Finish8133+48#19256#19208
TOTALS23381013+1325
📊

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