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BOSTON MARATHON 2025

Michael Gaffney

Bib: 30339•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
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
24:58
Rank: #16856
Start → 5K
24:58 | 8:02/mi
10K· 6.21 mi
49:57
Rank: #16811 (+45)
5K → 10K
24:59 | 8:02/mi
15K· 9.32 mi
1:14:08
Rank: #15940 (+871)
10K → 15K
24:11 | 7:47/mi
20K· 12.43 mi
1:38:38
Rank: #15417 (+523)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:43:58
Rank: #15356 (+61)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:03:03
Rank: #14910 (+446)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:28:50
Rank: #14571 (+339)
25K → 30K
25:47 | 8:18/mi
20M
2:40:17
Rank: #14441 (+130)
30K → 20M
11:27 | 8:26/mi
21M
2:48:57
Rank: #14232 (+209)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:54:56
Rank: #14130 (+102)
21M → 35K
5:59 | 8:00/mi
23M
3:04:48
Rank: #13797 (+333)
35K → 23M
9:52 | 7:53/mi
24M
3:12:34
Rank: #13577 (+220)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:19:34
Rank: #13476 (+101)
24M → 40K
7:00 | 8:11/mi
25.2M
3:22:29
Rank: #13387 (+89)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:29:52
Rank: #13177 (+210)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:58
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:45:54
Pace8:05 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4024:588:0224:58
8:02
-
10K
6.21 mi12:09:3949:578:0224:59
8:02
0:00
15K
9.32 mi12:33:501:14:087:5724:11
7:47
-0:15
20K
12.43 mi12:58:201:38:387:5624:30
7:53
+0:06
Half
13.11 mi13:03:401:43:587:565:20
7:49
-0:04
25K
15.53 mi13:22:452:03:037:5519:05
7:52
+0:03
30K
18.64 mi13:48:322:28:507:5925:47
8:18
+0:26
20M
20.00 mi13:59:592:40:178:0111:27
8:26
+0:08
21M
21.00 mi14:08:392:48:578:038:40
8:40
+0:14
35K
21.75 mi14:14:382:54:568:035:59
8:00
-0:40
23M
23.00 mi14:24:303:04:488:029:52
7:53
-0:07
24M
24.00 mi14:32:163:12:348:017:46
7:46
-0:07
40K
24.85 mi14:39:163:19:348:027:00
8:11
+0:25
25.2M
25.20 mi14:42:113:22:298:022:55
8:27
+0:16
Finish
26.22 mi14:49:343:29:528:017:23
7:15
-1:12

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

7:15 /mi

Average Pace

8:01 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:07

47% of race

Time at Steady Pace

1:43:05

49% of race

Time at Slower Pace

8:40

4% of race

Average Pace: 8:00 /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 mi11:44:4024:588:0224:58
8:02
#16856
10K
6.21 mi12:09:3949:578:0224:59
8:02
#16811
15K
9.32 mi12:33:501:14:087:5724:11
7:47
#15940
20K
12.43 mi12:58:201:38:387:5624:30
7:53
#15417
Half
13.11 mi13:03:401:43:587:565:20
7:49
#15356
25K
15.53 mi13:22:452:03:037:5519:05
7:52
#14910
30K
18.64 mi13:48:322:28:507:5925:47
8:18
#14571
20M
20.00 mi13:59:592:40:178:0111:27
8:26
#14441
21M
21.00 mi14:08:392:48:578:038:40
8:40
#14232
35K
21.75 mi14:14:382:54:568:035:59
8:00
#14130
23M
23.00 mi14:24:303:04:488:029:52
7:53
#13797
24M
24.00 mi14:32:163:12:348:017:46
7:46
#13577
40K
24.85 mi14:39:163:19:348:027:00
8:11
#13476
25.2M
25.20 mi14:42:113:22:298:022:55
8:27
#13387
Finish
26.22 mi14:49:343:29:528:017:23
7:15
#13177
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16856111431114314220(Top 50%)10024(Top 62%)10024(Top 178%)
10K6.21 mi3.10 mi16811+4511140+311140+316761(Top 59%)11139(Top 69%)11139(Top 197%)
15K9.32 mi3.11 mi15940+87110784+35610784+35614220(Top 50%)10024(Top 62%)10024(Top 178%)
20K12.43 mi3.11 mi15417+52310555+22910555+22913959(Top 49%)9845(Top 61%)9845(Top 174%)
Half13.11 mi0.68 mi15356+6110527+2810527+2814336(Top 50%)10029(Top 62%)10029(Top 178%)
25K15.53 mi2.42 mi14910+44610291+23610291+23612905(Top 45%)9252(Top 57%)9252(Top 164%)
30K18.64 mi3.11 mi14571+33910099+19210099+19213490(Top 47%)9353(Top 58%)9353(Top 166%)
20M20.00 mi1.36 mi14441+13010007+9210007+9213306(Top 47%)9129(Top 57%)9129(Top 162%)
21M21.00 mi1.00 mi14232+2099903+1049903+10411465(Top 40%)8109(Top 50%)8109(Top 144%)
35K21.75 mi0.75 mi14130+1029830+739830+7312240(Top 43%)8445(Top 52%)8445(Top 150%)
23M23.00 mi1.25 mi13797+3339644+1869644+1869153(Top 32%)6811(Top 42%)6811(Top 121%)
24M24.00 mi1.00 mi13577+2209516+1289516+1289573(Top 34%)6965(Top 43%)6965(Top 123%)
40K24.85 mi0.85 mi13476+1019456+609456+6011461(Top 40%)7796(Top 48%)7796(Top 138%)
25.2M25.20 mi0.35 mi13387+899397+599397+598563(Top 30%)6248(Top 39%)6248(Top 111%)
Finish26.22 mi1.02 mi13177+2109282+1159282+1157366(Top 26%)5551(Top 34%)5551(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14220

Males

10024

M18-39

10024

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16761

Males

11139

M18-39

11139

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14220

Males

10024

M18-39

10024

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13959

Males

9845

M18-39

9845

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14336

Males

10029

M18-39

10029

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12905

Males

9252

M18-39

9252

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13490

Males

9353

M18-39

9353

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13306

Males

9129

M18-39

9129

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11465

Males

8109

M18-39

8109

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12240

Males

8445

M18-39

8445

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9153

Males

6811

M18-39

6811

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9573

Males

6965

M18-39

6965

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11461

Males

7796

M18-39

7796

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8563

Males

6248

M18-39

6248

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7366

Males

5551

M18-39

5551

Passing Analysis

Category:
Athletes Passed
4240
Passed By
561
Net Change
+3679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16856
5K → 10K318273+45#16856#16811
10K → 15K8798+871#16811#15940
15K → 20K54421+523#15940#15417
20K → Half7110+61#15417#15356
Half → 25K46418+446#15356#14910
25K → 30K42384+339#14910#14571
30K → 20M19464+130#14571#14441
20M → 21M22617+209#14441#14232
21M → 35K12220+102#14232#14130
35K → 23M3418+333#14130#13797
23M → 24M2288+220#13797#13577
24M → 40K12322+101#13577#13476
40K → 25.2M923+89#13476#13387
25.2M → Finish2155+210#13387#13177
TOTALS4240561+3679
📊

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