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BOSTON MARATHON 2025

David Childs

Bib: 13755•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 50%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #16354
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
48:53
Rank: #15383 (+971)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:13:11
Rank: #15091 (+292)
10K → 15K
24:18 | 7:49/mi
20K· 12.43 mi
1:37:32
Rank: #14652 (+439)
15K → 20K
24:21 | 7:50/mi
Half· 13.11 mi
1:42:47
Rank: #14573 (+79)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:01:58
Rank: #14317 (+256)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:27:03
Rank: #13784 (+533)
25K → 30K
25:05 | 8:04/mi
20M
2:38:50
Rank: #13838 (-54)
30K → 20M
11:47 | 8:40/mi
21M
2:47:56
Rank: #13825 (+13)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:54:31
Rank: #13961 (-136)
21M → 35K
6:35 | 8:48/mi
23M
3:05:43
Rank: #14137 (-176)
35K → 23M
11:12 | 8:57/mi
24M
3:14:13
Rank: #14146 (-9)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:21:48
Rank: #14187 (-41)
24M → 40K
7:35 | 8:52/mi
25.2M
3:25:00
Rank: #14162 (+25)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:33:33
Rank: #14178 (-16)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:50:46
Pace8:27 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0424:467:5824:46
7:58
-
10K
6.21 mi11:19:1148:537:5224:07
7:46
-0:12
15K
9.32 mi11:43:291:13:117:5124:18
7:49
+0:03
20K
12.43 mi12:07:501:37:327:5124:21
7:50
+0:01
Half
13.11 mi12:13:051:42:477:505:15
7:42
-0:08
25K
15.53 mi12:32:162:01:587:5119:11
7:55
+0:13
30K
18.64 mi12:57:212:27:037:5325:05
8:04
+0:09
20M
20.00 mi13:09:082:38:507:5611:47
8:40
+0:36
21M
21.00 mi13:18:142:47:568:009:06
9:06
+0:26
35K
21.75 mi13:24:492:54:318:016:35
8:48
-0:18
23M
23.00 mi13:36:013:05:438:0411:12
8:57
+0:09
24M
24.00 mi13:44:313:14:138:068:30
8:30
-0:27
40K
24.85 mi13:52:063:21:488:077:35
8:52
+0:22
25.2M
25.20 mi13:55:183:25:008:083:12
9:17
+0:25
Finish
26.22 mi14:03:513:33:338:098:33
8:23
-0:54

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

7:42 /mi

Average Pace

8:09 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:03

69% of race

Time at Steady Pace

17:03

8% of race

Time at Slower Pace

49:27

23% of race

Average Pace: 8:09 /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 mi10:55:0424:467:5824:46
7:58
#16354
10K
6.21 mi11:19:1148:537:5224:07
7:46
#15383
15K
9.32 mi11:43:291:13:117:5124:18
7:49
#15091
20K
12.43 mi12:07:501:37:327:5124:21
7:50
#14652
Half
13.11 mi12:13:051:42:477:505:15
7:42
#14573
25K
15.53 mi12:32:162:01:587:5119:11
7:55
#14317
30K
18.64 mi12:57:212:27:037:5325:05
8:04
#13784
20M
20.00 mi13:09:082:38:507:5611:47
8:40
#13838
21M
21.00 mi13:18:142:47:568:009:06
9:06
#13825
35K
21.75 mi13:24:492:54:318:016:35
8:48
#13961
23M
23.00 mi13:36:013:05:438:0411:12
8:57
#14137
24M
24.00 mi13:44:313:14:138:068:30
8:30
#14146
40K
24.85 mi13:52:063:21:488:077:35
8:52
#14187
25.2M
25.20 mi13:55:183:25:008:083:12
9:17
#14162
Finish
26.22 mi14:03:513:33:338:098:33
8:23
#14178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16354109431094314548(Top 51%)10165(Top 63%)10165(Top 807%)
10K6.21 mi3.10 mi15383+97110571+37210571+37214450(Top 51%)10189(Top 63%)10189(Top 809%)
15K9.32 mi3.11 mi15091+29210436+13510436+13514548(Top 51%)10165(Top 63%)10165(Top 807%)
20K12.43 mi3.11 mi14652+43910235+20110235+20113560(Top 48%)9674(Top 60%)9674(Top 768%)
Half13.11 mi0.68 mi14573+7910200+3510200+3513321(Top 47%)9621(Top 60%)9621(Top 764%)
25K15.53 mi2.42 mi14317+25610049+15110049+15113181(Top 46%)9382(Top 58%)9382(Top 745%)
30K18.64 mi3.11 mi13784+5339760+2899760+28911911(Top 42%)8634(Top 54%)8634(Top 686%)
20M20.00 mi1.36 mi13838-549751+99751+914861(Top 52%)9849(Top 61%)9849(Top 782%)
21M21.00 mi1.00 mi13825+139712+399712+3914073(Top 50%)9362(Top 58%)9362(Top 744%)
35K21.75 mi0.75 mi13961-1369756-449756-4417212(Top 61%)10690(Top 66%)10690(Top 849%)
23M23.00 mi1.25 mi14137-1769789-339789-3315924(Top 56%)10036(Top 62%)10036(Top 797%)
24M24.00 mi1.00 mi14146-99771+189771+1814480(Top 51%)9365(Top 58%)9365(Top 744%)
40K24.85 mi0.85 mi14187-419763+89763+815551(Top 55%)9685(Top 60%)9685(Top 769%)
25.2M25.20 mi0.35 mi14162+259745+189745+1813315(Top 47%)8621(Top 54%)8621(Top 685%)
Finish26.22 mi1.02 mi14178-169730+159730+1515483(Top 55%)9698(Top 60%)9698(Top 770%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14548

Males

10165

M60-64

10165

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14450

Males

10189

M60-64

10189

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14548

Males

10165

M60-64

10165

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13560

Males

9674

M60-64

9674

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13321

Males

9621

M60-64

9621

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13181

Males

9382

M60-64

9382

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11911

Males

8634

M60-64

8634

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14861

Males

9849

M60-64

9849

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14073

Males

9362

M60-64

9362

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17212

Males

10690

M60-64

10690

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15924

Males

10036

M60-64

10036

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14480

Males

9365

M60-64

9365

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15551

Males

9685

M60-64

9685

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13315

Males

8621

M60-64

8621

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15483

Males

9698

M60-64

9698

Passing Analysis

Category:
Athletes Passed
3387
Passed By
1211
Net Change
+2176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16354
5K → 10K102857+971#16354#15383
10K → 15K37179+292#15383#15091
15K → 20K46425+439#15091#14652
20K → Half856+79#14652#14573
Half → 25K30246+256#14573#14317
25K → 30K56431+533#14317#13784
30K → 20M100154-54#13784#13838
20M → 21M113100+13#13838#13825
21M → 35K35171-136#13825#13961
35K → 23M69245-176#13961#14137
23M → 24M8291-9#14137#14146
24M → 40K61102-41#14146#14187
40K → 25.2M4520+25#14187#14162
25.2M → Finish6884-16#14162#14178
TOTALS33871211+2176
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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