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BOSTON MARATHON 2025

John Monroe

Bib: 4106•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
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
18:56
Rank: #1405
Start → 5K
18:56 | 6:06/mi
10K· 6.21 mi
38:23
Rank: #1766 (-361)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:12
Rank: #2078 (-312)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:18:39
Rank: #2428 (-350)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:23:05
Rank: #2492 (-64)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:01
Rank: #2989 (-497)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:02:23
Rank: #3423 (-434)
25K → 30K
22:22 | 7:12/mi
20M
2:12:02
Rank: #3491 (-68)
30K → 20M
9:39 | 7:06/mi
21M
2:19:44
Rank: #3577 (-86)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:24:52
Rank: #3586 (-9)
21M → 35K
5:08 | 6:52/mi
23M
2:34:22
Rank: #3748 (-162)
35K → 23M
9:30 | 7:35/mi
24M
2:43:36
Rank: #4442 (-694)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
2:50:19
Rank: #4639 (-197)
24M → 40K
6:43 | 7:51/mi
25.2M
2:53:13
Rank: #4716 (-77)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:00:41
Rank: #4844 (-128)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:05
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:37:36
Pace7:27 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5018:566:0618:56
6:06
-
10K
6.21 mi10:41:1738:236:1119:27
6:16
+0:10
15K
9.32 mi11:01:0658:126:1519:49
6:23
+0:07
20K
12.43 mi11:21:331:18:396:2020:27
6:35
+0:12
Half
13.11 mi11:25:591:23:056:204:26
6:30
-0:05
25K
15.53 mi11:42:551:40:016:2616:56
6:59
+0:29
30K
18.64 mi12:05:172:02:236:3422:22
7:12
+0:13
20M
20.00 mi12:14:562:12:026:369:39
7:06
-0:06
21M
21.00 mi12:22:382:19:446:397:42
7:42
+0:36
35K
21.75 mi12:27:462:24:526:405:08
6:52
-0:50
23M
23.00 mi12:37:162:34:226:439:30
7:35
+0:43
24M
24.00 mi12:46:302:43:366:499:14
9:14
+1:39
40K
24.85 mi12:53:132:50:196:516:43
7:51
-1:23
25.2M
25.20 mi12:56:072:53:136:522:54
8:25
+0:34
Finish
26.22 mi13:03:353:00:416:547:28
7:20
-1:05

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

6:06 /mi

Average Pace

6:54 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:05

46% of race

Time at Steady Pace

1:01:33

34% of race

Time at Slower Pace

36:03

20% of race

Average Pace: 6:53 /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 mi10:21:5018:566:0618:56
6:06
#1405
10K
6.21 mi10:41:1738:236:1119:27
6:16
#1766
15K
9.32 mi11:01:0658:126:1519:49
6:23
#2078
20K
12.43 mi11:21:331:18:396:2020:27
6:35
#2428
Half
13.11 mi11:25:591:23:056:204:26
6:30
#2492
25K
15.53 mi11:42:551:40:016:2616:56
6:59
#2989
30K
18.64 mi12:05:172:02:236:3422:22
7:12
#3423
20M
20.00 mi12:14:562:12:026:369:39
7:06
#3491
21M
21.00 mi12:22:382:19:446:397:42
7:42
#3577
35K
21.75 mi12:27:462:24:526:405:08
6:52
#3586
23M
23.00 mi12:37:162:34:226:439:30
7:35
#3748
24M
24.00 mi12:46:302:43:366:499:14
9:14
#4442
40K
24.85 mi12:53:132:50:196:516:43
7:51
#4639
25.2M
25.20 mi12:56:072:53:136:522:54
8:25
#4716
Finish
26.22 mi13:03:353:00:416:547:28
7:20
#4844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1405133713372798(Top 10%)2664(Top 17%)2664(Top 47%)
10K6.21 mi3.10 mi1766-3611678-3411678-3412188(Top 8%)2091(Top 13%)2091(Top 37%)
15K9.32 mi3.11 mi2078-3121982-3041982-3042798(Top 10%)2664(Top 17%)2664(Top 47%)
20K12.43 mi3.11 mi2428-3502317-3352317-3353595(Top 13%)3399(Top 21%)3399(Top 60%)
Half13.11 mi0.68 mi2492-642379-622379-623650(Top 13%)3450(Top 21%)3450(Top 61%)
25K15.53 mi2.42 mi2989-4972848-4692848-4696198(Top 22%)5538(Top 34%)5538(Top 98%)
30K18.64 mi3.11 mi3423-4343238-3903238-3905886(Top 21%)5224(Top 32%)5224(Top 93%)
20M20.00 mi1.36 mi3491-683298-603298-604665(Top 16%)4224(Top 26%)4224(Top 75%)
21M21.00 mi1.00 mi3577-863371-733371-735600(Top 20%)4793(Top 30%)4793(Top 85%)
35K21.75 mi0.75 mi3586-93375-43375-44467(Top 16%)3969(Top 25%)3969(Top 70%)
23M23.00 mi1.25 mi3748-1623511-1363511-1367129(Top 25%)5644(Top 35%)5644(Top 100%)
24M24.00 mi1.00 mi4442-6944098-5874098-58718464(Top 65%)11128(Top 69%)11128(Top 197%)
40K24.85 mi0.85 mi4639-1974261-1634261-1639110(Top 32%)6557(Top 41%)6557(Top 116%)
25.2M25.20 mi0.35 mi4716-774322-614322-618112(Top 29%)5936(Top 37%)5936(Top 105%)
Finish26.22 mi1.02 mi4844-1284422-1004422-1007909(Top 28%)5843(Top 36%)5843(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2798

Males

2664

M18-39

2664

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2188

Males

2091

M18-39

2091

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2798

Males

2664

M18-39

2664

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3595

Males

3399

M18-39

3399

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3650

Males

3450

M18-39

3450

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6198

Males

5538

M18-39

5538

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5886

Males

5224

M18-39

5224

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4665

Males

4224

M18-39

4224

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5600

Males

4793

M18-39

4793

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4467

Males

3969

M18-39

3969

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7129

Males

5644

M18-39

5644

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18464

Males

11128

M18-39

11128

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9110

Males

6557

M18-39

6557

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8112

Males

5936

M18-39

5936

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7909

Males

5843

M18-39

5843

Passing Analysis

Category:
Athletes Passed
258
Passed By
3697
Net Change
-3439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1405
5K → 10K6367-361#1405#1766
10K → 15K11323-312#1766#2078
15K → 20K17367-350#2078#2428
20K → Half367-64#2428#2492
Half → 25K9506-497#2492#2989
25K → 30K32466-434#2989#3423
30K → 20M48116-68#3423#3491
20M → 21M18104-86#3491#3577
21M → 35K3039-9#3577#3586
35K → 23M33195-162#3586#3748
23M → 24M4698-694#3748#4442
24M → 40K20217-197#4442#4639
40K → 25.2M1592-77#4639#4716
25.2M → Finish12140-128#4716#4844
TOTALS2583697-3439
📊

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