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BOSTON MARATHON 2025

David Cooper

Bib: 6400•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #5131
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:26
Rank: #5091 (+40)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:02:55
Rank: #5708 (-617)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:25:49
Rank: #6863 (-1155)
15K → 20K
22:54 | 7:22/mi
Half· 13.11 mi
1:30:48
Rank: #7034 (-171)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:48:50
Rank: #7300 (-266)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:13:02
Rank: #7587 (-287)
25K → 30K
24:12 | 7:47/mi
20M
2:24:06
Rank: #7784 (-197)
30K → 20M
11:04 | 8:09/mi
21M
2:32:40
Rank: #7888 (-104)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:38:30
Rank: #7960 (-72)
21M → 35K
5:50 | 7:48/mi
23M
2:48:45
Rank: #8117 (-157)
35K → 23M
10:15 | 8:11/mi
24M
2:56:35
Rank: #8166 (-49)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:03:26
Rank: #8210 (-44)
24M → 40K
6:51 | 8:01/mi
25.2M
3:06:23
Rank: #8212 (-2)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:14:11
Rank: #8285 (-73)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1320:426:4020:42
6:40
-
10K
6.21 mi10:45:5741:266:4020:44
6:40
0:00
15K
9.32 mi11:07:261:02:556:4521:29
6:55
+0:15
20K
12.43 mi11:30:201:25:496:5422:54
7:22
+0:27
Half
13.11 mi11:35:191:30:486:564:59
7:18
-0:04
25K
15.53 mi11:53:211:48:507:0018:02
7:26
+0:08
30K
18.64 mi12:17:332:13:027:0824:12
7:47
+0:21
20M
20.00 mi12:28:372:24:067:1211:04
8:09
+0:22
21M
21.00 mi12:37:112:32:407:168:34
8:34
+0:25
35K
21.75 mi12:43:012:38:307:175:50
7:48
-0:46
23M
23.00 mi12:53:162:48:457:2010:15
8:11
+0:23
24M
24.00 mi13:01:062:56:357:217:50
7:50
-0:21
40K
24.85 mi13:07:573:03:267:236:51
8:01
+0:11
25.2M
25.20 mi13:10:543:06:237:242:57
8:33
+0:32
Finish
26.22 mi13:18:423:14:117:257:48
7:39
-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

6:40 /mi

Average Pace

7:25 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:50

56% of race

Time at Steady Pace

52:31

27% of race

Time at Slower Pace

32:50

17% of race

Average Pace: 7:24 /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 mi10:25:1320:426:4020:42
6:40
#5131
10K
6.21 mi10:45:5741:266:4020:44
6:40
#5091
15K
9.32 mi11:07:261:02:556:4521:29
6:55
#5708
20K
12.43 mi11:30:201:25:496:5422:54
7:22
#6863
Half
13.11 mi11:35:191:30:486:564:59
7:18
#7034
25K
15.53 mi11:53:211:48:507:0018:02
7:26
#7300
30K
18.64 mi12:17:332:13:027:0824:12
7:47
#7587
20M
20.00 mi12:28:372:24:067:1211:04
8:09
#7784
21M
21.00 mi12:37:112:32:407:168:34
8:34
#7888
35K
21.75 mi12:43:012:38:307:175:50
7:48
#7960
23M
23.00 mi12:53:162:48:457:2010:15
8:11
#8117
24M
24.00 mi13:01:062:56:357:217:50
7:50
#8166
40K
24.85 mi13:07:573:03:267:236:51
8:01
#8210
25.2M
25.20 mi13:10:543:06:237:242:57
8:33
#8212
Finish
26.22 mi13:18:423:14:117:257:48
7:39
#8285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5131478747877059(Top 25%)6294(Top 39%)6294(Top 112%)
10K6.21 mi3.10 mi5091+404744+434744+435112(Top 18%)4764(Top 30%)4764(Top 84%)
15K9.32 mi3.11 mi5708-6175259-5155259-5157059(Top 25%)6294(Top 39%)6294(Top 112%)
20K12.43 mi3.11 mi6863-11556179-9206179-9209627(Top 34%)7799(Top 48%)7799(Top 138%)
Half13.11 mi0.68 mi7034-1716297-1186297-1189946(Top 35%)7968(Top 49%)7968(Top 141%)
25K15.53 mi2.42 mi7300-2666468-1716468-1719417(Top 33%)7552(Top 47%)7552(Top 134%)
30K18.64 mi3.11 mi7587-2876620-1526620-1529840(Top 35%)7596(Top 47%)7596(Top 135%)
20M20.00 mi1.36 mi7784-1976707-876707-8711393(Top 40%)8222(Top 51%)8222(Top 146%)
21M21.00 mi1.00 mi7888-1046735-286735-2810855(Top 38%)7794(Top 48%)7794(Top 138%)
35K21.75 mi0.75 mi7960-726756-216756-2110738(Top 38%)7720(Top 48%)7720(Top 137%)
23M23.00 mi1.25 mi8117-1576809-536809-5311255(Top 40%)7867(Top 49%)7867(Top 139%)
24M24.00 mi1.00 mi8166-496805+46805+410014(Top 35%)7163(Top 44%)7163(Top 127%)
40K24.85 mi0.85 mi8210-446808-36808-310251(Top 36%)7164(Top 44%)7164(Top 127%)
25.2M25.20 mi0.35 mi8212-26793+156793+159044(Top 32%)6463(Top 40%)6463(Top 115%)
Finish26.22 mi1.02 mi8285-736797-46797-410311(Top 36%)7141(Top 44%)7141(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7059

Males

6294

M18-39

6294

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5112

Males

4764

M18-39

4764

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7059

Males

6294

M18-39

6294

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9627

Males

7799

M18-39

7799

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9946

Males

7968

M18-39

7968

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9417

Males

7552

M18-39

7552

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9840

Males

7596

M18-39

7596

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11393

Males

8222

M18-39

8222

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10855

Males

7794

M18-39

7794

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10738

Males

7720

M18-39

7720

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11255

Males

7867

M18-39

7867

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

10014

Males

7163

M18-39

7163

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10251

Males

7164

M18-39

7164

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9044

Males

6463

M18-39

6463

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10311

Males

7141

M18-39

7141

Passing Analysis

Category:
Athletes Passed
806
Passed By
3960
Net Change
-3154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5131
5K → 10K192152+40#5131#5091
10K → 15K24641-617#5091#5708
15K → 20K111166-1155#5708#6863
20K → Half3174-171#6863#7034
Half → 25K53319-266#7034#7300
25K → 30K112399-287#7300#7587
30K → 20M42239-197#7587#7784
20M → 21M75179-104#7784#7888
21M → 35K34106-72#7888#7960
35K → 23M66223-157#7960#8117
23M → 24M67116-49#8117#8166
24M → 40K5094-44#8166#8210
40K → 25.2M2830-2#8210#8212
25.2M → Finish49122-73#8212#8285
TOTALS8063960-3154
📊

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