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BOSTON MARATHON 2025

Cooper Boyd

Bib: 2698•M

ON

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0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1893
Start → 5K
19:17 | 6:12/mi
10K· 6.21 mi
38:36
Rank: #1936 (-43)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
57:38
Rank: #1773 (+163)
10K → 15K
19:02 | 6:08/mi
20K· 12.43 mi
1:16:48
Rank: #1674 (+99)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:21:01
Rank: #1675 (-1)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:01
Rank: #1604 (+71)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:55:42
Rank: #1513 (+91)
25K → 30K
19:41 | 6:20/mi
20M
2:04:13
Rank: #1428 (+85)
30K → 20M
8:31 | 6:16/mi
21M
2:10:49
Rank: #1370 (+58)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:15:23
Rank: #1335 (+35)
21M → 35K
4:34 | 6:06/mi
23M
2:23:17
Rank: #1279 (+56)
35K → 23M
7:54 | 6:19/mi
24M
2:29:34
Rank: #1251 (+28)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:35:08
Rank: #1254 (-3)
24M → 40K
5:34 | 6:31/mi
25.2M
2:37:32
Rank: #1243 (+11)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:43:58
Rank: #1254 (-11)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:01
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:22:57
Pace6:20 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1319:176:1219:17
6:12
-
10K
6.21 mi10:39:3238:366:1319:19
6:13
+0:01
15K
9.32 mi10:58:3457:386:1119:02
6:08
-0:05
20K
12.43 mi11:17:441:16:486:1119:10
6:10
+0:02
Half
13.11 mi11:21:571:21:016:114:13
6:11
+0:01
25K
15.53 mi11:36:571:36:016:1115:00
6:11
0:00
30K
18.64 mi11:56:381:55:426:1219:41
6:20
+0:09
20M
20.00 mi12:05:092:04:136:138:31
6:16
-0:04
21M
21.00 mi12:11:452:10:496:146:36
6:36
+0:20
35K
21.75 mi12:16:192:15:236:144:34
6:06
-0:30
23M
23.00 mi12:24:132:23:176:147:54
6:19
+0:13
24M
24.00 mi12:30:302:29:346:146:17
6:17
-0:02
40K
24.85 mi12:36:042:35:086:145:34
6:31
+0:14
25.2M
25.20 mi12:38:282:37:326:152:24
6:58
+0:27
Finish
26.22 mi12:44:542:43:586:156:26
6:19
-0:39

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

6:06 /mi

Average Pace

6:15 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:34

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:1319:176:1219:17
6:12
#1893
10K
6.21 mi10:39:3238:366:1319:19
6:13
#1936
15K
9.32 mi10:58:3457:386:1119:02
6:08
#1773
20K
12.43 mi11:17:441:16:486:1119:10
6:10
#1674
Half
13.11 mi11:21:571:21:016:114:13
6:11
#1675
25K
15.53 mi11:36:571:36:016:1115:00
6:11
#1604
30K
18.64 mi11:56:381:55:426:1219:41
6:20
#1513
20M
20.00 mi12:05:092:04:136:138:31
6:16
#1428
21M
21.00 mi12:11:452:10:496:146:36
6:36
#1370
35K
21.75 mi12:16:192:15:236:144:34
6:06
#1335
23M
23.00 mi12:24:132:23:176:147:54
6:19
#1279
24M
24.00 mi12:30:302:29:346:146:17
6:17
#1251
40K
24.85 mi12:36:042:35:086:145:34
6:31
#1254
25.2M
25.20 mi12:38:282:37:326:152:24
6:58
#1243
Finish
26.22 mi12:44:542:43:586:156:26
6:19
#1254
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1893179917991498(Top 5%)1425(Top 9%)1425(Top 25%)
10K6.21 mi3.10 mi1936-431844-451844-451990(Top 7%)1894(Top 12%)1894(Top 34%)
15K9.32 mi3.11 mi1773+1631687+1571687+1571498(Top 5%)1425(Top 9%)1425(Top 25%)
20K12.43 mi3.11 mi1674+991590+971590+971445(Top 5%)1370(Top 9%)1370(Top 24%)
Half13.11 mi0.68 mi1675-1159015901827(Top 6%)1740(Top 11%)1740(Top 31%)
25K15.53 mi2.42 mi1604+711521+691521+691396(Top 5%)1324(Top 8%)1324(Top 23%)
30K18.64 mi3.11 mi1513+911433+881433+881319(Top 5%)1246(Top 8%)1246(Top 22%)
20M20.00 mi1.36 mi1428+851348+851348+85884(Top 3%)835(Top 5%)835(Top 15%)
21M21.00 mi1.00 mi1370+581292+561292+56911(Top 3%)861(Top 5%)861(Top 15%)
35K21.75 mi0.75 mi1335+351259+331259+33970(Top 3%)913(Top 6%)913(Top 16%)
23M23.00 mi1.25 mi1279+561204+551204+55905(Top 3%)852(Top 5%)852(Top 15%)
24M24.00 mi1.00 mi1251+281178+261178+261255(Top 4%)1174(Top 7%)1174(Top 21%)
40K24.85 mi0.85 mi1254-31179-11179-11619(Top 6%)1495(Top 9%)1495(Top 26%)
25.2M25.20 mi0.35 mi1243+111168+111168+111339(Top 5%)1226(Top 8%)1226(Top 22%)
Finish26.22 mi1.02 mi1254-111179-111179-111929(Top 7%)1773(Top 11%)1773(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1498

Males

1425

M18-39

1425

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1990

Males

1894

M18-39

1894

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1498

Males

1425

M18-39

1425

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1445

Males

1370

M18-39

1370

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1827

Males

1740

M18-39

1740

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1396

Males

1324

M18-39

1324

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1319

Males

1246

M18-39

1246

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

884

Males

835

M18-39

835

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

911

Males

861

M18-39

861

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

970

Males

913

M18-39

913

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

905

Males

852

M18-39

852

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1255

Males

1174

M18-39

1174

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1619

Males

1495

M18-39

1495

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1339

Males

1226

M18-39

1226

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1929

Males

1773

M18-39

1773

Passing Analysis

Category:
Athletes Passed
914
Passed By
275
Net Change
+639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1893
5K → 10K89132-43#1893#1936
10K → 15K1685+163#1936#1773
15K → 20K11011+99#1773#1674
20K → Half1112-1#1674#1675
Half → 25K809+71#1675#1604
25K → 30K11423+91#1604#1513
30K → 20M883+85#1513#1428
20M → 21M624+58#1428#1370
21M → 35K383+35#1370#1335
35K → 23M615+56#1335#1279
23M → 24M4214+28#1279#1251
24M → 40K1821-3#1251#1254
40K → 25.2M187+11#1254#1243
25.2M → Finish1526-11#1243#1254
TOTALS914275+639
📊

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