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BOSTON MARATHON 2025

Declan Sheehan

Bib: 32031•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
23:47
Rank: #13564
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:16
Rank: #13099 (+465)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:11:38
Rank: #13617 (-518)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:37:16
Rank: #14468 (-851)
15K → 20K
25:38 | 8:15/mi
Half· 13.11 mi
1:43:05
Rank: #14765 (-297)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:05:13
Rank: #16029 (-1264)
Half → 25K
22:08 | 9:08/mi
30K· 18.64 mi
2:35:34
Rank: #17116 (-1087)
25K → 30K
30:21 | 9:46/mi
20M
2:49:11
Rank: #17509 (-393)
30K → 20M
13:37 | 10:01/mi
21M
2:59:27
Rank: #17663 (-154)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:06:06
Rank: #17644 (+19)
21M → 35K
6:39 | 8:53/mi
23M
3:18:44
Rank: #17922 (-278)
35K → 23M
12:38 | 10:05/mi
24M
3:29:32
Rank: #18326 (-404)
23M → 24M
10:48 | 10:48/mi
40K· 24.85 mi
3:38:29
Rank: #18544 (-218)
24M → 40K
8:57 | 10:28/mi
25.2M
3:42:31
Rank: #18664 (-120)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
3:51:26
Rank: #18627 (+37)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:08:21
Pace9:47 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0123:477:3923:47
7:39
-
10K
6.21 mi12:10:3047:167:3623:29
7:34
-0:05
15K
9.32 mi12:34:521:11:387:4124:22
7:51
+0:17
20K
12.43 mi13:00:301:37:167:5025:38
8:15
+0:24
Half
13.11 mi13:06:191:43:057:525:49
8:32
+0:17
25K
15.53 mi13:28:272:05:138:0422:08
9:08
+0:36
30K
18.64 mi13:58:482:35:348:2130:21
9:46
+0:38
20M
20.00 mi14:12:252:49:118:2813:37
10:01
+0:15
21M
21.00 mi14:22:412:59:278:3310:16
10:16
+0:15
35K
21.75 mi14:29:203:06:068:336:39
8:53
-1:23
23M
23.00 mi14:41:583:18:448:3812:38
10:05
+1:12
24M
24.00 mi14:52:463:29:328:4410:48
10:48
+0:43
40K
24.85 mi15:01:433:38:298:478:57
10:28
-0:20
25.2M
25.20 mi15:05:453:42:318:504:02
11:42
+1:14
Finish
26.22 mi15:14:403:51:268:508:55
8:45
-2:57

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

7:34 /mi

Average Pace

8:50 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:16

42% of race

Time at Steady Pace

43:31

19% of race

Time at Slower Pace

1:30:39

39% of race

Average Pace: 8:50 /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 mi11:47:0123:477:3923:47
7:39
#13564
10K
6.21 mi12:10:3047:167:3623:29
7:34
#13099
15K
9.32 mi12:34:521:11:387:4124:22
7:51
#13617
20K
12.43 mi13:00:301:37:167:5025:38
8:15
#14468
Half
13.11 mi13:06:191:43:057:525:49
8:32
#14765
25K
15.53 mi13:28:272:05:138:0422:08
9:08
#16029
30K
18.64 mi13:58:482:35:348:2130:21
9:46
#17116
20M
20.00 mi14:12:252:49:118:2813:37
10:01
#17509
21M
21.00 mi14:22:412:59:278:3310:16
10:16
#17663
35K
21.75 mi14:29:203:06:068:336:39
8:53
#17644
23M
23.00 mi14:41:583:18:448:3812:38
10:05
#17922
24M
24.00 mi14:52:463:29:328:4410:48
10:48
#18326
40K
24.85 mi15:01:433:38:298:478:57
10:28
#18544
25.2M
25.20 mi15:05:453:42:318:504:02
11:42
#18664
Finish
26.22 mi15:14:403:51:268:508:55
8:45
#18627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi135649895989514741(Top 52%)10259(Top 64%)10259(Top 182%)
10K6.21 mi3.10 mi13099+4659664+2319664+23112640(Top 45%)9441(Top 59%)9441(Top 167%)
15K9.32 mi3.11 mi13617-5189825-1619825-16114741(Top 52%)10259(Top 64%)10259(Top 182%)
20K12.43 mi3.11 mi14468-85110156-33110156-33116624(Top 59%)11018(Top 68%)11018(Top 195%)
Half13.11 mi0.68 mi14765-29710270-11410270-11419321(Top 68%)12175(Top 76%)12175(Top 216%)
25K15.53 mi2.42 mi16029-126410803-53310803-53320470(Top 72%)12621(Top 78%)12621(Top 224%)
30K18.64 mi3.11 mi17116-108711185-38211185-38220883(Top 74%)12664(Top 79%)12664(Top 224%)
20M20.00 mi1.36 mi17509-39311310-12511310-12520992(Top 74%)12579(Top 78%)12579(Top 223%)
21M21.00 mi1.00 mi17663-15411362-5211362-5219236(Top 68%)11726(Top 73%)11726(Top 208%)
35K21.75 mi0.75 mi17644+1911333+2911333+2917686(Top 62%)10912(Top 68%)10912(Top 193%)
23M23.00 mi1.25 mi17922-27811422-8911422-8920769(Top 73%)12278(Top 76%)12278(Top 218%)
24M24.00 mi1.00 mi18326-40411579-15711579-15723548(Top 83%)13588(Top 84%)13588(Top 241%)
40K24.85 mi0.85 mi18544-21811647-6811647-6821815(Top 77%)12656(Top 79%)12656(Top 224%)
25.2M25.20 mi0.35 mi18664-12011683-3611683-3622511(Top 79%)13026(Top 81%)13026(Top 231%)
Finish26.22 mi1.02 mi18627+3711659+2411659+2417763(Top 63%)10758(Top 67%)10758(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14741

Males

10259

M18-39

10259

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12640

Males

9441

M18-39

9441

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14741

Males

10259

M18-39

10259

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16624

Males

11018

M18-39

11018

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19321

Males

12175

M18-39

12175

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20470

Males

12621

M18-39

12621

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20883

Males

12664

M18-39

12664

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20992

Males

12579

M18-39

12579

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19236

Males

11726

M18-39

11726

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17686

Males

10912

M18-39

10912

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20769

Males

12278

M18-39

12278

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23548

Males

13588

M18-39

13588

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21815

Males

12656

M18-39

12656

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22511

Males

13026

M18-39

13026

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17763

Males

10758

M18-39

10758

Passing Analysis

Category:
Athletes Passed
1132
Passed By
6195
Net Change
-5063
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13564
5K → 10K56297+465#13564#13099
10K → 15K83601-518#13099#13617
15K → 20K53904-851#13617#14468
20K → Half6303-297#14468#14765
Half → 25K181282-1264#14765#16029
25K → 30K531140-1087#16029#17116
30K → 20M34427-393#17116#17509
20M → 21M64218-154#17509#17663
21M → 35K6950+19#17663#17644
35K → 23M53331-278#17644#17922
23M → 24M22426-404#17922#18326
24M → 40K25243-218#18326#18544
40K → 25.2M11131-120#18544#18664
25.2M → Finish7942+37#18664#18627
TOTALS11326195-5063
📊

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