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BOSTON MARATHON 2025

David Peacock

Bib: 17287•M

AL

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
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:22
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:40:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:08
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:34:41
↑ 181↓ 1480.2%
20M
10:57/mi
2:49:34
↑ 64↓ 500.2%
21M
11:10/mi
3:00:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:08:28
↑ 17↓ 861.7%
23M
9:29/mi
3:20:20
↑ 23↓ 630.6%
24M
9:33/mi
3:29:53
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:38:15
↓ 200.3%
25.2M
10:23/mi
3:41:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:50:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:04:09
Pace9:28 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2725:118:0625:11
8:06
-
10K
6.21 mi11:43:3250:168:0525:05
8:04
-0:02
15K
9.32 mi12:08:381:15:228:0525:06
8:05
+0:01
20K
12.43 mi12:34:071:40:518:0725:29
8:12
+0:07
Half
13.11 mi12:39:371:46:218:075:30
8:04
-0:08
25K
15.53 mi12:59:242:06:088:0719:47
8:10
+0:06
30K
18.64 mi13:27:572:34:418:1828:33
9:11
+1:01
20M
20.00 mi13:42:502:49:348:2914:53
10:57
+1:46
21M
21.00 mi13:54:003:00:448:3611:10
11:10
+0:13
35K
21.75 mi14:01:443:08:288:407:44
10:20
-0:50
23M
23.00 mi14:13:363:20:208:4311:52
9:29
-0:51
24M
24.00 mi14:23:093:29:538:459:33
9:33
+0:04
40K
24.85 mi14:31:313:38:158:478:22
9:47
+0:14
25.2M
25.20 mi14:35:063:41:508:483:35
10:23
+0:36
Finish
26.22 mi14:43:463:50:308:488:40
8:30
-1:53

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

8:04 /mi

Average Pace

8:48 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:48

58% of race

Time at Steady Pace

49:58

22% of race

Time at Slower Pace

45:44

20% of race

Average Pace: 8:47 /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 mi11:18:2725:118:0625:11
8:06
#17375
10K
6.21 mi11:43:3250:168:0525:05
8:04
#17185
15K
9.32 mi12:08:381:15:228:0525:06
8:05
#16968
20K
12.43 mi12:34:071:40:518:0725:29
8:12
#16793
Half
13.11 mi12:39:371:46:218:075:30
8:04
#16748
25K
15.53 mi12:59:242:06:088:0719:47
8:10
#16450
30K
18.64 mi13:27:572:34:418:1828:33
9:11
#16824
20M
20.00 mi13:42:502:49:348:2914:53
10:57
#17628
21M
21.00 mi13:54:003:00:448:3611:10
11:10
#18053
35K
21.75 mi14:01:443:08:288:407:44
10:20
#18325
23M
23.00 mi14:13:363:20:208:4311:52
9:29
#18339
24M
24.00 mi14:23:093:29:538:459:33
9:33
#18416
40K
24.85 mi14:31:313:38:158:478:22
9:47
#18487
25.2M
25.20 mi14:35:063:41:508:483:35
10:23
#18496
Finish
26.22 mi14:43:463:50:308:488:40
8:30
#18432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17375113671136716598(Top 58%)11055(Top 69%)11055(Top 671%)
10K6.21 mi3.10 mi17185+19011297+7011297+7017008(Top 60%)11252(Top 70%)11252(Top 683%)
15K9.32 mi3.11 mi16968+21711226+7111226+7116598(Top 58%)11055(Top 69%)11055(Top 671%)
20K12.43 mi3.11 mi16793+17511131+9511131+9516320(Top 57%)10881(Top 68%)10881(Top 660%)
Half13.11 mi0.68 mi16748+4511111+2011111+2016355(Top 58%)10931(Top 68%)10931(Top 663%)
25K15.53 mi2.42 mi16450+29810969+14210969+14215039(Top 53%)10249(Top 64%)10249(Top 622%)
30K18.64 mi3.11 mi16824-37411064-9511064-9518598(Top 65%)11659(Top 72%)11659(Top 707%)
20M20.00 mi1.36 mi17628-80411355-29111355-29123489(Top 83%)13751(Top 85%)13751(Top 834%)
21M21.00 mi1.00 mi18053-42511536-18111536-18121797(Top 77%)12877(Top 80%)12877(Top 781%)
35K21.75 mi0.75 mi18325-27211633-9711633-9722775(Top 80%)13286(Top 82%)13286(Top 806%)
23M23.00 mi1.25 mi18339-1411615+1811615+1818572(Top 65%)11252(Top 70%)11252(Top 683%)
24M24.00 mi1.00 mi18416-7711620-511620-519787(Top 70%)11762(Top 73%)11762(Top 714%)
40K24.85 mi0.85 mi18487-7111617+311617+319752(Top 70%)11681(Top 73%)11681(Top 709%)
25.2M25.20 mi0.35 mi18496-911616+111616+118581(Top 65%)11113(Top 69%)11113(Top 674%)
Finish26.22 mi1.02 mi18432+6411560+5611560+5616238(Top 57%)10046(Top 62%)10046(Top 610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16598

Males

11055

M55-59

11055

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17008

Males

11252

M55-59

11252

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16598

Males

11055

M55-59

11055

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16320

Males

10881

M55-59

10881

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16355

Males

10931

M55-59

10931

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15039

Males

10249

M55-59

10249

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18598

Males

11659

M55-59

11659

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23489

Males

13751

M55-59

13751

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21797

Males

12877

M55-59

12877

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22775

Males

13286

M55-59

13286

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18572

Males

11252

M55-59

11252

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19787

Males

11762

M55-59

11762

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19752

Males

11681

M55-59

11681

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18581

Males

11113

M55-59

11113

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16238

Males

10046

M55-59

10046

Passing Analysis

Category:
Athletes Passed
1895
Passed By
2952
Net Change
-1057
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17375
5K → 10K395205+190#17375#17185
10K → 15K323106+217#17185#16968
15K → 20K279104+175#16968#16793
20K → Half6116+45#16793#16748
Half → 25K32123+298#16748#16450
25K → 30K129503-374#16450#16824
30K → 20M19823-804#16824#17628
20M → 21M20445-425#17628#18053
21M → 35K20292-272#18053#18325
35K → 23M101115-14#18325#18339
23M → 24M55132-77#18339#18416
24M → 40K47118-71#18416#18487
40K → 25.2M2837-9#18487#18496
25.2M → Finish9733+64#18496#18432
TOTALS18952952-1057
📊

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