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BOSTON MARATHON 2025

Jonathan Pereira

Bib: 4039•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #3970
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:46
Rank: #4220 (-250)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:08
Rank: #4096 (+124)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:21:36
Rank: #3918 (+178)
15K → 20K
20:28 | 6:35/mi
Half· 13.11 mi
1:27:13
Rank: #4584 (-666)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
1:52:22
Rank: #8976 (-4392)
Half → 25K
25:09 | 10:22/mi
30K· 18.64 mi
2:20:47
Rank: #11048 (-2072)
25K → 30K
28:25 | 9:09/mi
20M
2:32:03
Rank: #11101 (-53)
30K → 20M
11:16 | 8:17/mi
21M
2:40:38
Rank: #11067 (+34)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:46:40
Rank: #11106 (-39)
21M → 35K
6:02 | 8:04/mi
23M
2:59:39
Rank: #12048 (-942)
35K → 23M
12:59 | 10:22/mi
24M
3:07:43
Rank: #12018 (+30)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:14:24
Rank: #11869 (+149)
24M → 40K
6:41 | 7:49/mi
25.2M
3:17:17
Rank: #11795 (+74)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:24:49
Rank: #11621 (+174)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:13
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:57:36
Pace8:58 /mi
📊Positive Split: 34.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3520:156:3120:15
6:31
-
10K
6.21 mi10:43:0640:466:3420:31
6:36
+0:05
15K
9.32 mi11:03:281:01:086:3420:22
6:33
-0:03
20K
12.43 mi11:23:561:21:366:3420:28
6:35
+0:02
Half
13.11 mi11:29:331:27:136:395:37
8:14
+1:39
25K
15.53 mi11:54:421:52:227:1425:09
10:22
+2:08
30K
18.64 mi12:23:072:20:477:3328:25
9:09
-1:13
20M
20.00 mi12:34:232:32:037:3611:16
8:17
-0:52
21M
21.00 mi12:42:582:40:387:398:35
8:35
+0:18
35K
21.75 mi12:49:002:46:407:406:02
8:04
-0:31
23M
23.00 mi13:01:592:59:397:4912:59
10:22
+2:18
24M
24.00 mi13:10:033:07:437:498:04
8:04
-2:18
40K
24.85 mi13:16:443:14:247:496:41
7:49
-0:15
25.2M
25.20 mi13:19:373:17:177:502:53
8:22
+0:33
Finish
26.22 mi13:27:093:24:497:497:32
7:24
-0:58

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

7:49 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

44% of race

Time at Steady Pace

49:08

24% of race

Time at Slower Pace

1:06:33

32% of race

Average Pace: 7:49 /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 mi10:22:3520:156:3120:15
6:31
#3970
10K
6.21 mi10:43:0640:466:3420:31
6:36
#4220
15K
9.32 mi11:03:281:01:086:3420:22
6:33
#4096
20K
12.43 mi11:23:561:21:366:3420:28
6:35
#3918
Half
13.11 mi11:29:331:27:136:395:37
8:14
#4584
25K
15.53 mi11:54:421:52:227:1425:09
10:22
#8976
30K
18.64 mi12:23:072:20:477:3328:25
9:09
#11048
20M
20.00 mi12:34:232:32:037:3611:16
8:17
#11101
21M
21.00 mi12:42:582:40:387:398:35
8:35
#11067
35K
21.75 mi12:49:002:46:407:406:02
8:04
#11106
23M
23.00 mi13:01:592:59:397:4912:59
10:22
#12048
24M
24.00 mi13:10:033:07:437:498:04
8:04
#12018
40K
24.85 mi13:16:443:14:247:496:41
7:49
#11869
25.2M
25.20 mi13:19:373:17:177:502:53
8:22
#11795
Finish
26.22 mi13:27:093:24:497:497:32
7:24
#11621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3970375737573932(Top 14%)3708(Top 23%)3708(Top 165%)
10K6.21 mi3.10 mi4220-2503971-2143971-2144521(Top 16%)4237(Top 26%)4237(Top 189%)
15K9.32 mi3.11 mi4096+1243860+1113860+1113932(Top 14%)3708(Top 23%)3708(Top 165%)
20K12.43 mi3.11 mi3918+1783691+1693691+1693631(Top 13%)3430(Top 21%)3430(Top 153%)
Half13.11 mi0.68 mi4584-6664287-5964287-59617415(Top 61%)11354(Top 70%)11354(Top 505%)
25K15.53 mi2.42 mi8976-43927515-32287515-322824114(Top 85%)14246(Top 88%)14246(Top 634%)
30K18.64 mi3.11 mi11048-20728528-10138528-101318369(Top 65%)11549(Top 72%)11549(Top 514%)
20M20.00 mi1.36 mi11101-538516+128516+1212405(Top 44%)8724(Top 54%)8724(Top 388%)
21M21.00 mi1.00 mi11067+348462+548462+5410974(Top 39%)7861(Top 49%)7861(Top 350%)
35K21.75 mi0.75 mi11106-398455+78455+712653(Top 45%)8639(Top 54%)8639(Top 384%)
23M23.00 mi1.25 mi12048-9428862-4078862-40721614(Top 76%)12674(Top 79%)12674(Top 564%)
24M24.00 mi1.00 mi12018+308805+578805+5711675(Top 41%)7990(Top 50%)7990(Top 356%)
40K24.85 mi0.85 mi11869+1498698+1078698+1078882(Top 31%)6464(Top 40%)6464(Top 288%)
25.2M25.20 mi0.35 mi11795+748648+508648+507965(Top 28%)5906(Top 37%)5906(Top 263%)
Finish26.22 mi1.02 mi11621+1748526+1228526+1228419(Top 30%)6158(Top 38%)6158(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3932

Males

3708

M40-44

3708

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4521

Males

4237

M40-44

4237

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3932

Males

3708

M40-44

3708

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3631

Males

3430

M40-44

3430

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17415

Males

11354

M40-44

11354

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24114

Males

14246

M40-44

14246

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18369

Males

11549

M40-44

11549

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12405

Males

8724

M40-44

8724

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10974

Males

7861

M40-44

7861

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12653

Males

8639

M40-44

8639

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21614

Males

12674

M40-44

12674

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11675

Males

7990

M40-44

7990

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8882

Males

6464

M40-44

6464

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7965

Males

5906

M40-44

5906

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8419

Males

6158

M40-44

6158

Passing Analysis

Category:
Athletes Passed
1230
Passed By
8879
Net Change
-7651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3970
5K → 10K65315-250#3970#4220
10K → 15K16238+124#4220#4096
15K → 20K19820+178#4096#3918
20K → Half0666-666#3918#4584
Half → 25K04392-4392#4584#8976
25K → 30K132083-2072#8976#11048
30K → 20M98151-53#11048#11101
20M → 21M11278+34#11101#11067
21M → 35K4786-39#11067#11106
35K → 23M11953-942#11106#12048
23M → 24M9363+30#12048#12018
24M → 40K16314+149#12018#11869
40K → 25.2M795+74#11869#11795
25.2M → Finish18915+174#11795#11621
TOTALS12308879-7651
📊

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