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BOSTON MARATHON 2025

Michael Harrington

Bib: 5233•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
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
20:01
Rank: #3432
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
40:16
Rank: #3643 (-211)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:00:30
Rank: #3632 (+11)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:07
Rank: #3700 (-68)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:25:40
Rank: #3744 (-44)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:23
Rank: #3936 (-192)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:05:07
Rank: #4415 (-479)
25K → 30K
22:44 | 7:19/mi
20M
2:15:34
Rank: #4769 (-354)
30K → 20M
10:27 | 7:41/mi
21M
2:24:16
Rank: #5202 (-433)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:30:06
Rank: #5390 (-188)
21M → 35K
5:50 | 7:48/mi
23M
2:41:10
Rank: #5854 (-464)
35K → 23M
11:04 | 8:50/mi
24M
2:49:51
Rank: #6177 (-323)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
2:57:36
Rank: #6462 (-285)
24M → 40K
7:45 | 9:04/mi
25.2M
3:00:46
Rank: #6537 (-75)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:08:36
Rank: #6654 (-117)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:40
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1920:016:2720:01
6:27
-
10K
6.21 mi10:43:3440:166:2920:15
6:31
+0:04
15K
9.32 mi11:03:481:00:306:2920:14
6:31
0:00
20K
12.43 mi11:24:251:21:076:3220:37
6:38
+0:07
Half
13.11 mi11:28:581:25:406:324:33
6:40
+0:02
25K
15.53 mi11:45:411:42:236:3516:43
6:54
+0:14
30K
18.64 mi12:08:252:05:076:4322:44
7:19
+0:25
20M
20.00 mi12:18:522:15:346:4710:27
7:41
+0:22
21M
21.00 mi12:27:342:24:166:528:42
8:42
+1:01
35K
21.75 mi12:33:242:30:066:545:50
7:48
-0:54
23M
23.00 mi12:44:282:41:107:0011:04
8:50
+1:02
24M
24.00 mi12:53:092:49:517:058:41
8:41
-0:09
40K
24.85 mi13:00:542:57:367:097:45
9:04
+0:23
25.2M
25.20 mi13:04:043:00:467:103:10
9:11
+0:07
Finish
26.22 mi13:11:543:08:367:127:50
7:41
-1:30

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

7:12 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:23

54% of race

Time at Steady Pace

46:51

25% of race

Time at Slower Pace

39:22

21% of race

Average Pace: 7:12 /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 mi10:23:1920:016:2720:01
6:27
#3432
10K
6.21 mi10:43:3440:166:2920:15
6:31
#3643
15K
9.32 mi11:03:481:00:306:2920:14
6:31
#3632
20K
12.43 mi11:24:251:21:076:3220:37
6:38
#3700
Half
13.11 mi11:28:581:25:406:324:33
6:40
#3744
25K
15.53 mi11:45:411:42:236:3516:43
6:54
#3936
30K
18.64 mi12:08:252:05:076:4322:44
7:19
#4415
20M
20.00 mi12:18:522:15:346:4710:27
7:41
#4769
21M
21.00 mi12:27:342:24:166:528:42
8:42
#5202
35K
21.75 mi12:33:242:30:066:545:50
7:48
#5390
23M
23.00 mi12:44:282:41:107:0011:04
8:50
#5854
24M
24.00 mi12:53:092:49:517:058:41
8:41
#6177
40K
24.85 mi13:00:542:57:367:097:45
9:04
#6462
25.2M
25.20 mi13:04:043:00:467:103:10
9:11
#6537
Finish
26.22 mi13:11:543:08:367:127:50
7:41
#6654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3432326132613661(Top 13%)3459(Top 21%)3459(Top 61%)
10K6.21 mi3.10 mi3643-2113454-1933454-1933877(Top 14%)3654(Top 23%)3654(Top 65%)
15K9.32 mi3.11 mi3632+113439+153439+153661(Top 13%)3459(Top 21%)3459(Top 61%)
20K12.43 mi3.11 mi3700-683496-573496-573939(Top 14%)3710(Top 23%)3710(Top 66%)
Half13.11 mi0.68 mi3744-443535-393535-395069(Top 18%)4698(Top 29%)4698(Top 83%)
25K15.53 mi2.42 mi3936-1923708-1733708-1735640(Top 20%)5114(Top 32%)5114(Top 91%)
30K18.64 mi3.11 mi4415-4794126-4184126-4186540(Top 23%)5676(Top 35%)5676(Top 101%)
20M20.00 mi1.36 mi4769-3544416-2904416-2908251(Top 29%)6588(Top 41%)6588(Top 117%)
21M21.00 mi1.00 mi5202-4334771-3554771-35511628(Top 41%)8178(Top 51%)8178(Top 145%)
35K21.75 mi0.75 mi5390-1884921-1504921-15010732(Top 38%)7714(Top 48%)7714(Top 137%)
23M23.00 mi1.25 mi5854-4645267-3465267-34615292(Top 54%)9754(Top 61%)9754(Top 173%)
24M24.00 mi1.00 mi6177-3235498-2315498-23115596(Top 55%)9855(Top 61%)9855(Top 175%)
40K24.85 mi0.85 mi6462-2855678-1805678-18016639(Top 59%)10191(Top 63%)10191(Top 181%)
25.2M25.20 mi0.35 mi6537-755710-325710-3212717(Top 45%)8302(Top 52%)8302(Top 147%)
Finish26.22 mi1.02 mi6654-1175762-525762-5210569(Top 37%)7277(Top 45%)7277(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3661

Males

3459

M18-39

3459

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3877

Males

3654

M18-39

3654

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3661

Males

3459

M18-39

3459

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3939

Males

3710

M18-39

3710

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5069

Males

4698

M18-39

4698

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5640

Males

5114

M18-39

5114

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6540

Males

5676

M18-39

5676

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8251

Males

6588

M18-39

6588

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11628

Males

8178

M18-39

8178

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10732

Males

7714

M18-39

7714

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15292

Males

9754

M18-39

9754

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15596

Males

9855

M18-39

9855

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16639

Males

10191

M18-39

10191

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12717

Males

8302

M18-39

8302

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10569

Males

7277

M18-39

7277

Passing Analysis

Category:
Athletes Passed
442
Passed By
3664
Net Change
-3222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3432
5K → 10K46257-211#3432#3643
10K → 15K10998+11#3643#3632
15K → 20K74142-68#3632#3700
20K → Half751-44#3700#3744
Half → 25K26218-192#3744#3936
25K → 30K51530-479#3936#4415
30K → 20M12366-354#4415#4769
20M → 21M14447-433#4769#5202
21M → 35K14202-188#5202#5390
35K → 23M22486-464#5390#5854
23M → 24M14337-323#5854#6177
24M → 40K7292-285#6177#6462
40K → 25.2M984-75#6462#6537
25.2M → Finish37154-117#6537#6654
TOTALS4423664-3222
📊

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