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BOSTON MARATHON 2025

Jon Maclean

Bib: 4927•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4236
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:36
Rank: #4005 (+231)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:01
Rank: #4002 (+3)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:22:00
Rank: #4147 (-145)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:26:31
Rank: #4165 (-18)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:42:57
Rank: #4197 (-32)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:04:45
Rank: #4244 (-47)
25K → 30K
21:48 | 7:01/mi
20M
2:14:19
Rank: #4227 (+17)
30K → 20M
9:34 | 7:02/mi
21M
2:21:34
Rank: #4145 (+82)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:26:40
Rank: #4129 (+16)
21M → 35K
5:06 | 6:49/mi
23M
2:35:30
Rank: #4100 (+29)
35K → 23M
8:50 | 7:03/mi
24M
2:42:10
Rank: #4004 (+96)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:47:57
Rank: #3909 (+95)
24M → 40K
5:47 | 6:46/mi
25.2M
2:50:28
Rank: #3873 (+36)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:57:18
Rank: #3829 (+44)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:30:47
Pace6:56 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2120:226:3320:22
6:33
-
10K
6.21 mi10:44:3540:366:3220:14
6:31
-0:02
15K
9.32 mi11:05:001:01:016:3320:25
6:34
+0:03
20K
12.43 mi11:25:591:22:006:3620:59
6:45
+0:11
Half
13.11 mi11:30:301:26:316:364:31
6:37
-0:08
25K
15.53 mi11:46:561:42:576:3816:26
6:47
+0:10
30K
18.64 mi12:08:442:04:456:4221:48
7:01
+0:14
20M
20.00 mi12:18:182:14:196:439:34
7:02
+0:01
21M
21.00 mi12:25:332:21:346:447:15
7:15
+0:13
35K
21.75 mi12:30:392:26:406:455:06
6:49
-0:26
23M
23.00 mi12:39:292:35:306:468:50
7:03
+0:14
24M
24.00 mi12:46:092:42:106:456:40
6:40
-0:23
40K
24.85 mi12:51:562:47:576:455:47
6:46
+0:06
25.2M
25.20 mi12:54:272:50:286:462:31
7:18
+0:32
Finish
26.22 mi13:01:172:57:186:466:50
6:42
-0:36

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

6:31 /mi

Average Pace

6:46 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:32

94% of race

Time at Steady Pace

9:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:24:2120:226:3320:22
6:33
#4236
10K
6.21 mi10:44:3540:366:3220:14
6:31
#4005
15K
9.32 mi11:05:001:01:016:3320:25
6:34
#4002
20K
12.43 mi11:25:591:22:006:3620:59
6:45
#4147
Half
13.11 mi11:30:301:26:316:364:31
6:37
#4165
25K
15.53 mi11:46:561:42:576:3816:26
6:47
#4197
30K
18.64 mi12:08:442:04:456:4221:48
7:01
#4244
20M
20.00 mi12:18:182:14:196:439:34
7:02
#4227
21M
21.00 mi12:25:332:21:346:447:15
7:15
#4145
35K
21.75 mi12:30:392:26:406:455:06
6:49
#4129
23M
23.00 mi12:39:292:35:306:468:50
7:03
#4100
24M
24.00 mi12:46:092:42:106:456:40
6:40
#4004
40K
24.85 mi12:51:562:47:576:455:47
6:46
#3909
25.2M
25.20 mi12:54:272:50:286:462:31
7:18
#3873
Finish
26.22 mi13:01:172:57:186:466:50
6:42
#3829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4236398539854025(Top 14%)3790(Top 24%)3790(Top 67%)
10K6.21 mi3.10 mi4005+2313784+2013784+2013812(Top 13%)3593(Top 22%)3593(Top 64%)
15K9.32 mi3.11 mi4002+33773+113773+114025(Top 14%)3790(Top 24%)3790(Top 67%)
20K12.43 mi3.11 mi4147-1453901-1283901-1284859(Top 17%)4496(Top 28%)4496(Top 80%)
Half13.11 mi0.68 mi4165-183916-153916-154504(Top 16%)4197(Top 26%)4197(Top 74%)
25K15.53 mi2.42 mi4197-323941-253941-254679(Top 16%)4308(Top 27%)4308(Top 76%)
30K18.64 mi3.11 mi4244-473973-323973-324774(Top 17%)4349(Top 27%)4349(Top 77%)
20M20.00 mi1.36 mi4227+173954+193954+194319(Top 15%)3934(Top 24%)3934(Top 70%)
21M21.00 mi1.00 mi4145+823872+823872+823357(Top 12%)3079(Top 19%)3079(Top 55%)
35K21.75 mi0.75 mi4129+163849+233849+234171(Top 15%)3724(Top 23%)3724(Top 66%)
23M23.00 mi1.25 mi4100+293814+353814+354052(Top 14%)3611(Top 22%)3611(Top 64%)
24M24.00 mi1.00 mi4004+963721+933721+932786(Top 10%)2553(Top 16%)2553(Top 45%)
40K24.85 mi0.85 mi3909+953631+903631+902661(Top 9%)2418(Top 15%)2418(Top 43%)
25.2M25.20 mi0.35 mi3873+363595+363595+362499(Top 9%)2233(Top 14%)2233(Top 40%)
Finish26.22 mi1.02 mi3829+443550+453550+453880(Top 14%)3345(Top 21%)3345(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4025

Males

3790

M18-39

3790

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3812

Males

3593

M18-39

3593

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4025

Males

3790

M18-39

3790

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4859

Males

4496

M18-39

4496

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4504

Males

4197

M18-39

4197

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4679

Males

4308

M18-39

4308

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4774

Males

4349

M18-39

4349

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4319

Males

3934

M18-39

3934

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3357

Males

3079

M18-39

3079

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4171

Males

3724

M18-39

3724

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4052

Males

3611

M18-39

3611

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2786

Males

2553

M18-39

2553

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2661

Males

2418

M18-39

2418

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2499

Males

2233

M18-39

2233

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3880

Males

3345

M18-39

3345

Passing Analysis

Category:
Athletes Passed
1284
Passed By
877
Net Change
+407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4236
5K → 10K29766+231#4236#4005
10K → 15K8986+3#4005#4002
15K → 20K61206-145#4002#4147
20K → Half826-18#4147#4165
Half → 25K83115-32#4165#4197
25K → 30K124171-47#4197#4244
30K → 20M8265+17#4244#4227
20M → 21M10321+82#4227#4145
21M → 35K4125+16#4145#4129
35K → 23M7950+29#4129#4100
23M → 24M1004+96#4100#4004
24M → 40K983+95#4004#3909
40K → 25.2M393+36#3909#3873
25.2M → Finish8036+44#3873#3829
TOTALS1284877+407
📊

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