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BOSTON MARATHON 2025

Shaun Atchison

Bib: 7549•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M55-59)
#0 / 1648
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3481
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:25
Rank: #3811 (-330)
5K → 10K
20:22 | 6:33/mi
15K· 9.32 mi
1:00:47
Rank: #3841 (-30)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:21:33
Rank: #3898 (-57)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:26:02
Rank: #3898
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:33
Rank: #4001 (-103)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:04:30
Rank: #4150 (-149)
25K → 30K
21:57 | 7:04/mi
20M
2:14:12
Rank: #4181 (-31)
30K → 20M
9:42 | 7:08/mi
21M
2:21:57
Rank: #4265 (-84)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:27:17
Rank: #4335 (-70)
21M → 35K
5:20 | 7:08/mi
23M
2:36:46
Rank: #4504 (-169)
35K → 23M
9:29 | 7:34/mi
24M
2:44:16
Rank: #4673 (-169)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
2:51:02
Rank: #4886 (-213)
24M → 40K
6:46 | 7:55/mi
25.2M
2:54:06
Rank: #4978 (-92)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:02:06
Rank: #5138 (-160)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3020:036:2720:03
6:27
-
10K
6.21 mi10:45:5240:256:3020:22
6:33
+0:06
15K
9.32 mi11:06:141:00:476:3120:22
6:33
0:00
20K
12.43 mi11:27:001:21:336:3420:46
6:41
+0:08
Half
13.11 mi11:31:291:26:026:344:29
6:34
-0:07
25K
15.53 mi11:48:001:42:336:3616:31
6:49
+0:15
30K
18.64 mi12:09:572:04:306:4121:57
7:04
+0:15
20M
20.00 mi12:19:392:14:126:439:42
7:08
+0:04
21M
21.00 mi12:27:242:21:576:467:45
7:45
+0:37
35K
21.75 mi12:32:442:27:176:465:20
7:08
-0:37
23M
23.00 mi12:42:132:36:466:499:29
7:34
+0:26
24M
24.00 mi12:49:432:44:166:517:30
7:30
-0:04
40K
24.85 mi12:56:292:51:026:536:46
7:55
+0:25
25.2M
25.20 mi12:59:332:54:066:553:04
8:54
+0:59
Finish
26.22 mi13:07:333:02:066:578:00
7:51
-1:03

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

6:27 /mi

Average Pace

6:57 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:02

47% of race

Time at Steady Pace

53:30

29% of race

Time at Slower Pace

42:34

23% of race

Average Pace: 6:57 /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 mi10:25:3020:036:2720:03
6:27
#3481
10K
6.21 mi10:45:5240:256:3020:22
6:33
#3811
15K
9.32 mi11:06:141:00:476:3120:22
6:33
#3841
20K
12.43 mi11:27:001:21:336:3420:46
6:41
#3898
Half
13.11 mi11:31:291:26:026:344:29
6:34
#3898
25K
15.53 mi11:48:001:42:336:3616:31
6:49
#4001
30K
18.64 mi12:09:572:04:306:4121:57
7:04
#4150
20M
20.00 mi12:19:392:14:126:439:42
7:08
#4181
21M
21.00 mi12:27:242:21:576:467:45
7:45
#4265
35K
21.75 mi12:32:442:27:176:465:20
7:08
#4335
23M
23.00 mi12:42:132:36:466:499:29
7:34
#4504
24M
24.00 mi12:49:432:44:166:517:30
7:30
#4673
40K
24.85 mi12:56:292:51:026:536:46
7:55
#4886
25.2M
25.20 mi12:59:332:54:066:553:04
8:54
#4978
Finish
26.22 mi13:07:333:02:066:578:00
7:51
#5138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi3481330833083918(Top 14%)3694(Top 23%)3694(Top 224%)
10K6.21 mi3.10 mi3811-3303604-2963604-2964109(Top 14%)3863(Top 24%)3863(Top 234%)
15K9.32 mi3.11 mi3841-303626-223626-223918(Top 14%)3694(Top 23%)3694(Top 224%)
20K12.43 mi3.11 mi3898-573672-463672-464294(Top 15%)4017(Top 25%)4017(Top 244%)
Half13.11 mi0.68 mi3898367236724164(Top 15%)3903(Top 24%)3903(Top 237%)
25K15.53 mi2.42 mi4001-1033764-923764-924963(Top 17%)4557(Top 28%)4557(Top 277%)
30K18.64 mi3.11 mi4150-1493888-1243888-1245103(Top 18%)4620(Top 29%)4620(Top 280%)
20M20.00 mi1.36 mi4181-313912-243912-244862(Top 17%)4377(Top 27%)4377(Top 266%)
21M21.00 mi1.00 mi4265-843972-603972-605884(Top 21%)4984(Top 31%)4984(Top 302%)
35K21.75 mi0.75 mi4335-704025-534025-536100(Top 21%)5122(Top 32%)5122(Top 311%)
23M23.00 mi1.25 mi4504-1694160-1354160-1357048(Top 25%)5601(Top 35%)5601(Top 340%)
24M24.00 mi1.00 mi4673-1694296-1364296-1367633(Top 27%)5881(Top 37%)5881(Top 357%)
40K24.85 mi0.85 mi4886-2134470-1744470-1749506(Top 33%)6780(Top 42%)6780(Top 411%)
25.2M25.20 mi0.35 mi4978-924543-734543-7311083(Top 39%)7489(Top 47%)7489(Top 454%)
Finish26.22 mi1.02 mi5138-1604662-1194662-11911748(Top 41%)7887(Top 49%)7887(Top 479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3918

Males

3694

M55-59

3694

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4109

Males

3863

M55-59

3863

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3918

Males

3694

M55-59

3694

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4294

Males

4017

M55-59

4017

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4164

Males

3903

M55-59

3903

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4963

Males

4557

M55-59

4557

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5103

Males

4620

M55-59

4620

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4862

Males

4377

M55-59

4377

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5884

Males

4984

M55-59

4984

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6100

Males

5122

M55-59

5122

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7048

Males

5601

M55-59

5601

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7633

Males

5881

M55-59

5881

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9506

Males

6780

M55-59

6780

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11083

Males

7489

M55-59

7489

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11748

Males

7887

M55-59

7887

Passing Analysis

Category:
Athletes Passed
572
Passed By
2229
Net Change
-1657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3481
5K → 10K29359-330#3481#3811
10K → 15K87117-30#3811#3841
15K → 20K76133-57#3841#3898
20K → Half14140#3898#3898
Half → 25K47150-103#3898#4001
25K → 30K93242-149#4001#4150
30K → 20M6091-31#4150#4181
20M → 21M40124-84#4181#4265
21M → 35K2393-70#4265#4335
35K → 23M39208-169#4335#4504
23M → 24M27196-169#4504#4673
24M → 40K22235-213#4673#4886
40K → 25.2M9101-92#4886#4978
25.2M → Finish6166-160#4978#5138
TOTALS5722229-1657
📊

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