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BOSTON MARATHON 2025

John Gallagher

Bib: 4182•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
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
20:07
Rank: #3654
Start → 5K
6:28/mi
20:07 split
10K· 6.21 mi
40:21
Rank: #3731 (-77)
5K → 10K
6:31/mi
20:14 split
15K· 9.32 mi
1:01:03
Rank: #4029 (-298)
10K → 15K
6:40/mi
20:42 split
20K· 12.43 mi
1:21:53
Rank: #4078 (-49)
15K → 20K
6:42/mi
20:50 split
Half· 13.11 mi
1:26:24
Rank: #4084 (-6)
20K → Half
6:37/mi
4:31 split
25K· 15.53 mi
1:42:57
Rank: #4201 (-117)
Half → 25K
6:50/mi
16:33 split
30K· 18.64 mi
2:05:16
Rank: #4485 (-284)
25K → 30K
7:11/mi
22:19 split
20M
2:15:32
Rank: #4753 (-268)
30K → 20M
7:33/mi
10:16 split
21M
2:23:28
Rank: #4871 (-118)
20M → 21M
7:56/mi
7:56 split
35K· 21.75 mi
2:29:07
Rank: #5031 (-160)
21M → 35K
7:33/mi
5:39 split
23M
2:39:19
Rank: #5365 (-334)
35K → 23M
8:09/mi
10:12 split
24M
2:47:37
Rank: #5595 (-230)
23M → 24M
8:18/mi
8:18 split
40K· 24.85 mi
2:58:23
Rank: #6685 (-1090)
24M → 40K
12:36/mi
10:46 split
25.2M
3:02:42
Rank: #7104 (-419)
40K → 25.2M
12:31/mi
4:19 split
Finish· 26.22 mi
3:11:55
Rank: #7593 (-489)
25.2M → Finish
9:03/mi
9:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:24
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
📊Positive Split: 22.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3420:076:2820:07
6:28
-
10K
6.21 mi10:42:4840:216:3020:14
6:31
+0:03
15K
9.32 mi11:03:301:01:036:3320:42
6:40
+0:09
20K
12.43 mi11:24:201:21:536:3520:50
6:42
+0:02
Half
13.11 mi11:28:511:26:246:354:31
6:37
-0:05
25K
15.53 mi11:45:241:42:576:3816:33
6:50
+0:13
30K
18.64 mi12:07:432:05:166:4322:19
7:11
+0:21
20M
20.00 mi12:17:592:15:326:4710:16
7:33
+0:22
21M
21.00 mi12:25:552:23:286:507:56
7:56
+0:23
35K
21.75 mi12:31:342:29:076:515:39
7:33
-0:23
23M
23.00 mi12:41:462:39:196:5610:12
8:09
+0:36
24M
24.00 mi12:50:042:47:376:598:18
8:18
+0:09
40K
24.85 mi13:00:502:58:237:1110:46
12:36
+4:18
25.2M
25.20 mi13:05:093:02:427:154:19
12:31
-0:05
Finish
26.22 mi13:14:223:11:557:209:13
9:03
-3:28

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

6:28 /mi

Average Pace

7:20 /mi

Slowest Pace

12:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:21

21% of race

Time at Steady Pace

2:07:16

66% of race

Time at Slower Pace

24:18

13% of race

Average Pace: 7:19 /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 mi10:22:3420:076:2820:07
6:28
#3654
10K
6.21 mi10:42:4840:216:3020:14
6:31
#3731
15K
9.32 mi11:03:301:01:036:3320:42
6:40
#4029
20K
12.43 mi11:24:201:21:536:3520:50
6:42
#4078
Half
13.11 mi11:28:511:26:246:354:31
6:37
#4084
25K
15.53 mi11:45:241:42:576:3816:33
6:50
#4201
30K
18.64 mi12:07:432:05:166:4322:19
7:11
#4485
20M
20.00 mi12:17:592:15:326:4710:16
7:33
#4753
21M
21.00 mi12:25:552:23:286:507:56
7:56
#4871
35K
21.75 mi12:31:342:29:076:515:39
7:33
#5031
23M
23.00 mi12:41:462:39:196:5610:12
8:09
#5365
24M
24.00 mi12:50:042:47:376:598:18
8:18
#5595
40K
24.85 mi13:00:502:58:237:1110:46
12:36
#6685
25.2M
25.20 mi13:05:093:02:427:154:19
12:31
#7104
Finish
26.22 mi13:14:223:11:557:209:13
9:03
#7593
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3654346634664756(Top 17%)4440(Top 28%)4440(Top 79%)
10K6.21 mi3.10 mi3731-773535-693535-693822(Top 13%)3603(Top 22%)3603(Top 64%)
15K9.32 mi3.11 mi4029-2983798-2633798-2634756(Top 17%)4440(Top 28%)4440(Top 79%)
20K12.43 mi3.11 mi4078-493838-403838-404480(Top 16%)4175(Top 26%)4175(Top 74%)
Half13.11 mi0.68 mi4084-63845-73845-74595(Top 16%)4288(Top 27%)4288(Top 76%)
25K15.53 mi2.42 mi4201-1173945-1003945-1005070(Top 18%)4647(Top 29%)4647(Top 82%)
30K18.64 mi3.11 mi4485-2844188-2434188-2435803(Top 20%)5165(Top 32%)5165(Top 92%)
20M20.00 mi1.36 mi4753-2684402-2144402-2147370(Top 26%)6052(Top 38%)6052(Top 107%)
21M21.00 mi1.00 mi4871-1184493-914493-916964(Top 25%)5654(Top 35%)5654(Top 100%)
35K21.75 mi0.75 mi5031-1604622-1294622-1298949(Top 32%)6811(Top 42%)6811(Top 121%)
23M23.00 mi1.25 mi5365-3344888-2664888-26610991(Top 39%)7736(Top 48%)7736(Top 137%)
24M24.00 mi1.00 mi5595-2305053-1655053-16513210(Top 47%)8735(Top 54%)8735(Top 155%)
40K24.85 mi0.85 mi6685-10905823-7705823-77025776(Top 91%)14676(Top 91%)14676(Top 260%)
25.2M25.20 mi0.35 mi7104-4196091-2686091-26824185(Top 85%)13848(Top 86%)13848(Top 245%)
Finish26.22 mi1.02 mi7593-4896369-2786369-27819230(Top 68%)11438(Top 71%)11438(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4756

Males

4440

M18-39

4440

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3822

Males

3603

M18-39

3603

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4756

Males

4440

M18-39

4440

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4480

Males

4175

M18-39

4175

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4595

Males

4288

M18-39

4288

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5070

Males

4647

M18-39

4647

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5803

Males

5165

M18-39

5165

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7370

Males

6052

M18-39

6052

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6964

Males

5654

M18-39

5654

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8949

Males

6811

M18-39

6811

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10991

Males

7736

M18-39

7736

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13210

Males

8735

M18-39

8735

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25776

Males

14676

M18-39

14676

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24185

Males

13848

M18-39

13848

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19230

Males

11438

M18-39

11438

Passing Analysis

Category:
Athletes Passed
476
Passed By
4415
Net Change
-3939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3654
5K → 10K98175-77#3654#3731
10K → 15K29327-298#3731#4029
15K → 20K82131-49#4029#4078
20K → Half1521-6#4078#4084
Half → 25K55172-117#4084#4201
25K → 30K68352-284#4201#4485
30K → 20M21289-268#4485#4753
20M → 21M34152-118#4753#4871
21M → 35K23183-160#4871#5031
35K → 23M33367-334#5031#5365
23M → 24M9239-230#5365#5595
24M → 40K21092-1090#5595#6685
40K → 25.2M0419-419#6685#7104
25.2M → Finish7496-489#7104#7593
TOTALS4764415-3939
📊

Passing Visuals

Category:
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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