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BOSTON MARATHON 2025

Corey Adams

Bib: 8210•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:12
Rank: #21272
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
55:12
Rank: #21883 (-611)
5K → 10K
28:00 | 9:01/mi
15K· 9.32 mi
1:22:16
Rank: #21405 (+478)
10K → 15K
27:04 | 8:43/mi
20K· 12.43 mi
1:51:02
Rank: #21637 (-232)
15K → 20K
28:46 | 9:16/mi
Half· 13.11 mi
1:57:03
Rank: #21601 (+36)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:19:40
Rank: #21512 (+89)
Half → 25K
22:37 | 9:20/mi
30K· 18.64 mi
2:49:54
Rank: #21380 (+132)
25K → 30K
30:14 | 9:44/mi
20M
3:04:42
Rank: #21611 (-231)
30K → 20M
14:48 | 10:53/mi
21M
3:16:01
Rank: #21662 (-51)
20M → 21M
11:19 | 11:19/mi
35K· 21.75 mi
3:23:33
Rank: #21676 (-14)
21M → 35K
7:32 | 10:04/mi
23M
3:36:03
Rank: #21597 (+79)
35K → 23M
12:30 | 9:59/mi
24M
3:46:21
Rank: #21628 (-31)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
3:55:28
Rank: #21655 (-27)
24M → 40K
9:07 | 10:40/mi
25.2M
3:58:55
Rank: #21584 (+71)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
4:08:52
Rank: #21598 (-14)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:03
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:11:49
Pace10:03 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:4227:128:4527:12
8:45
-
10K
6.21 mi11:04:4255:128:5328:00
9:01
+0:16
15K
9.32 mi11:31:461:22:168:5027:04
8:43
-0:18
20K
12.43 mi12:00:321:51:028:5628:46
9:16
+0:33
Half
13.11 mi12:06:331:57:038:566:01
8:49
-0:27
25K
15.53 mi12:29:102:19:408:5922:37
9:20
+0:31
30K
18.64 mi12:59:242:49:549:0730:14
9:44
+0:24
20M
20.00 mi13:14:123:04:429:1414:48
10:53
+1:09
21M
21.00 mi13:25:313:16:019:2011:19
11:19
+0:26
35K
21.75 mi13:33:033:23:339:227:32
10:04
-1:15
23M
23.00 mi13:45:333:36:039:2412:30
9:59
-0:05
24M
24.00 mi13:55:513:46:219:2610:18
10:18
+0:19
40K
24.85 mi14:04:583:55:289:289:07
10:40
+0:22
25.2M
25.20 mi14:08:253:58:559:293:27
10:00
-0:40
Finish
26.22 mi14:18:224:08:529:309:57
9:46
-0:14

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

8:43 /mi

Average Pace

9:30 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:40

56% of race

Time at Steady Pace

1:03:40

26% of race

Time at Slower Pace

45:32

18% of race

Average Pace: 9:29 /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 mi10:36:4227:128:4527:12
8:45
#21272
10K
6.21 mi11:04:4255:128:5328:00
9:01
#21883
15K
9.32 mi11:31:461:22:168:5027:04
8:43
#21405
20K
12.43 mi12:00:321:51:028:5628:46
9:16
#21637
Half
13.11 mi12:06:331:57:038:566:01
8:49
#21601
25K
15.53 mi12:29:102:19:408:5922:37
9:20
#21512
30K
18.64 mi12:59:242:49:549:0730:14
9:44
#21380
20M
20.00 mi13:14:123:04:429:1414:48
10:53
#21611
21M
21.00 mi13:25:313:16:019:2011:19
11:19
#21662
35K
21.75 mi13:33:033:23:339:227:32
10:04
#21676
23M
23.00 mi13:45:333:36:039:2412:30
9:59
#21597
24M
24.00 mi13:55:513:46:219:2610:18
10:18
#21628
40K
24.85 mi14:04:583:55:289:289:07
10:40
#21655
25.2M
25.20 mi14:08:253:58:559:293:27
10:00
#21584
Finish
26.22 mi14:18:224:08:529:309:57
9:46
#21598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21272129841298420553(Top 72%)12755(Top 79%)12755(Top 639%)
10K6.21 mi3.10 mi21883-61113279-29513279-29522426(Top 79%)13535(Top 84%)13535(Top 678%)
15K9.32 mi3.11 mi21405+47813094+18513094+18520553(Top 72%)12755(Top 79%)12755(Top 639%)
20K12.43 mi3.11 mi21637-23213175-8113175-8122116(Top 78%)13409(Top 83%)13409(Top 672%)
Half13.11 mi0.68 mi21601+3613161+1413161+1420980(Top 74%)12893(Top 80%)12893(Top 646%)
25K15.53 mi2.42 mi21512+8913124+3713124+3721289(Top 75%)12977(Top 81%)12977(Top 650%)
30K18.64 mi3.11 mi21380+13213029+9513029+9520779(Top 73%)12620(Top 78%)12620(Top 632%)
20M20.00 mi1.36 mi21611-23113127-9813127-9823354(Top 82%)13692(Top 85%)13692(Top 686%)
21M21.00 mi1.00 mi21662-5113124+313124+322177(Top 78%)13051(Top 81%)13051(Top 654%)
35K21.75 mi0.75 mi21676-1413122+213122+222091(Top 78%)12954(Top 80%)12954(Top 649%)
23M23.00 mi1.25 mi21597+7913054+6813054+6820425(Top 72%)12125(Top 75%)12125(Top 607%)
24M24.00 mi1.00 mi21628-3113045+913045+922234(Top 78%)12921(Top 80%)12921(Top 647%)
40K24.85 mi0.85 mi21655-2713027+1813027+1822340(Top 79%)12902(Top 80%)12902(Top 646%)
25.2M25.20 mi0.35 mi21584+7112995+3212995+3217045(Top 60%)10410(Top 65%)10410(Top 522%)
Finish26.22 mi1.02 mi21598-1412986+912986+922136(Top 78%)12850(Top 80%)12850(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20553

Males

12755

M50-54

12755

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22426

Males

13535

M50-54

13535

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20553

Males

12755

M50-54

12755

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22116

Males

13409

M50-54

13409

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

20980

Males

12893

M50-54

12893

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21289

Males

12977

M50-54

12977

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20779

Males

12620

M50-54

12620

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23354

Males

13692

M50-54

13692

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22177

Males

13051

M50-54

13051

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22091

Males

12954

M50-54

12954

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20425

Males

12125

M50-54

12125

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22234

Males

12921

M50-54

12921

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22340

Males

12902

M50-54

12902

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17045

Males

10410

M50-54

10410

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22136

Males

12850

M50-54

12850

Passing Analysis

Category:
Athletes Passed
1709
Passed By
2035
Net Change
-326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21272
5K → 10K83694-611#21272#21883
10K → 15K53052+478#21883#21405
15K → 20K131363-232#21405#21637
20K → Half4812+36#21637#21601
Half → 25K18899+89#21601#21512
25K → 30K255123+132#21512#21380
30K → 20M41272-231#21380#21611
20M → 21M69120-51#21611#21662
21M → 35K3953-14#21662#21676
35K → 23M12748+79#21676#21597
23M → 24M3566-31#21597#21628
24M → 40K5178-27#21628#21655
40K → 25.2M710+71#21655#21584
25.2M → Finish4155-14#21584#21598
TOTALS17092035-326
📊

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