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BOSTON MARATHON 2025

David Campbell

Bib: 18620•M

NJ

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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
50:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:14:42
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:39:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:44:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:04:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:30:33
↑ 181↓ 1480.2%
20M
8:44/mi
2:42:25
↑ 64↓ 500.2%
21M
9:25/mi
2:51:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:58:13
↑ 17↓ 861.7%
23M
9:24/mi
3:09:59
↑ 23↓ 630.6%
24M
9:52/mi
3:19:51
↓ 821.3%
40K· 24.85 mi
10:09/mi
3:28:32
↓ 200.3%
25.2M
11:01/mi
3:32:20
↑ 13↓ 160.2%
Finish· 26.22 mi
9:57/mi
3:42:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:57:35
Pace8:58 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0525:258:1125:25
8:11
-
10K
6.21 mi11:41:4750:078:0424:42
7:57
-0:14
15K
9.32 mi12:06:221:14:428:0124:35
7:55
-0:02
20K
12.43 mi12:31:111:39:318:0024:49
7:59
+0:04
Half
13.11 mi12:36:331:44:538:005:22
7:52
-0:07
25K
15.53 mi12:55:582:04:188:0019:25
8:00
+0:08
30K
18.64 mi13:22:132:30:338:0526:15
8:27
+0:27
20M
20.00 mi13:34:052:42:258:0711:52
8:44
+0:17
21M
21.00 mi13:43:302:51:508:119:25
9:25
+0:41
35K
21.75 mi13:49:532:58:138:126:23
8:32
-0:53
23M
23.00 mi14:01:393:09:598:1611:46
9:24
+0:52
24M
24.00 mi14:11:313:19:518:209:52
9:52
+0:28
40K
24.85 mi14:20:123:28:328:238:41
10:09
+0:17
25.2M
25.20 mi14:24:003:32:208:263:48
11:01
+0:52
Finish
26.22 mi14:34:083:42:288:2910:08
9:57
-1:04

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

7:52 /mi

Average Pace

8:29 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:53

44% of race

Time at Steady Pace

1:09:55

31% of race

Time at Slower Pace

53:40

24% of race

Average Pace: 8:29 /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 mi11:17:0525:258:1125:25
8:11
#17977
10K
6.21 mi11:41:4750:078:0424:42
7:57
#17002
15K
9.32 mi12:06:221:14:428:0124:35
7:55
#16440
20K
12.43 mi12:31:111:39:318:0024:49
7:59
#15990
Half
13.11 mi12:36:331:44:538:005:22
7:52
#15921
25K
15.53 mi12:55:582:04:188:0019:25
8:00
#15552
30K
18.64 mi13:22:132:30:338:0526:15
8:27
#15330
20M
20.00 mi13:34:052:42:258:0711:52
8:44
#15293
21M
21.00 mi13:43:302:51:508:119:25
9:25
#15275
35K
21.75 mi13:49:532:58:138:126:23
8:32
#15257
23M
23.00 mi14:01:393:09:598:1611:46
9:24
#15456
24M
24.00 mi14:11:313:19:518:209:52
9:52
#15741
40K
24.85 mi14:20:123:28:328:238:41
10:09
#16012
25.2M
25.20 mi14:24:003:32:208:263:48
11:01
#16116
Finish
26.22 mi14:34:083:42:288:2910:08
9:57
#16482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17977115911159115333(Top 54%)10519(Top 65%)10519(Top 638%)
10K6.21 mi3.10 mi17002+97511224+36711224+36716060(Top 57%)10860(Top 67%)10860(Top 659%)
15K9.32 mi3.11 mi16440+56210990+23410990+23415333(Top 54%)10519(Top 65%)10519(Top 638%)
20K12.43 mi3.11 mi15990+45010799+19110799+19114833(Top 52%)10242(Top 64%)10242(Top 621%)
Half13.11 mi0.68 mi15921+6910771+2810771+2814782(Top 52%)10257(Top 64%)10257(Top 622%)
25K15.53 mi2.42 mi15552+36910589+18210589+18213954(Top 49%)9736(Top 60%)9736(Top 591%)
30K18.64 mi3.11 mi15330+22210444+14510444+14514441(Top 51%)9803(Top 61%)9803(Top 595%)
20M20.00 mi1.36 mi15293+3710393+5110393+5115249(Top 54%)10035(Top 62%)10035(Top 609%)
21M21.00 mi1.00 mi15275+1810353+4010353+4015697(Top 55%)10106(Top 63%)10106(Top 613%)
35K21.75 mi0.75 mi15257+1810333+2010333+2015650(Top 55%)10018(Top 62%)10018(Top 608%)
23M23.00 mi1.25 mi15456-19910365-3210365-3218214(Top 64%)11072(Top 69%)11072(Top 672%)
24M24.00 mi1.00 mi15741-28510466-10110466-10120928(Top 74%)12302(Top 76%)12302(Top 746%)
40K24.85 mi0.85 mi16012-27110560-9410560-9420940(Top 74%)12250(Top 76%)12250(Top 743%)
25.2M25.20 mi0.35 mi16116-10410596-3610596-3620648(Top 73%)12095(Top 75%)12095(Top 734%)
Finish26.22 mi1.02 mi16482-36610720-12410720-12422740(Top 80%)13135(Top 82%)13135(Top 797%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15333

Males

10519

M55-59

10519

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16060

Males

10860

M55-59

10860

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15333

Males

10519

M55-59

10519

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14833

Males

10242

M55-59

10242

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14782

Males

10257

M55-59

10257

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13954

Males

9736

M55-59

9736

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14441

Males

9803

M55-59

9803

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15249

Males

10035

M55-59

10035

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15697

Males

10106

M55-59

10106

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15650

Males

10018

M55-59

10018

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18214

Males

11072

M55-59

11072

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20928

Males

12302

M55-59

12302

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20940

Males

12250

M55-59

12250

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20648

Males

12095

M55-59

12095

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22740

Males

13135

M55-59

13135

Passing Analysis

Category:
Athletes Passed
3355
Passed By
1860
Net Change
+1495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17977
5K → 10K102045+975#17977#17002
10K → 15K58220+562#17002#16440
15K → 20K48636+450#16440#15990
20K → Half767+69#15990#15921
Half → 25K38718+369#15921#15552
25K → 30K351129+222#15552#15330
30K → 20M13194+37#15330#15293
20M → 21M120102+18#15293#15275
21M → 35K7658+18#15275#15257
35K → 23M63262-199#15257#15456
23M → 24M12297-285#15456#15741
24M → 40K24295-271#15741#16012
40K → 25.2M9113-104#16012#16116
25.2M → Finish18384-366#16116#16482
TOTALS33551860+1495
📊

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