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BOSTON MARATHON 2025

Robert Perez

Bib: 5339•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
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
22:08
Rank: #8841
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
44:49
Rank: #9545 (-704)
5K → 10K
22:41 | 7:18/mi
15K· 9.32 mi
1:07:18
Rank: #9497 (+48)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:30:29
Rank: #9697 (-200)
15K → 20K
23:11 | 7:28/mi
Half· 13.11 mi
1:35:14
Rank: #9539 (+158)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:52:28
Rank: #9025 (+514)
Half → 25K
17:14 | 7:06/mi
30K· 18.64 mi
2:14:54
Rank: #8313 (+712)
25K → 30K
22:26 | 7:13/mi
20M
2:24:35
Rank: #7972 (+341)
30K → 20M
9:41 | 7:08/mi
21M
2:31:55
Rank: #7633 (+339)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:37:07
Rank: #7487 (+146)
21M → 35K
5:12 | 6:57/mi
23M
2:46:47
Rank: #7469 (+18)
35K → 23M
9:40 | 7:43/mi
24M
2:54:47
Rank: #7602 (-133)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:01:56
Rank: #7744 (-142)
24M → 40K
7:09 | 8:22/mi
25.2M
3:05:07
Rank: #7804 (-60)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:13:41
Rank: #8118 (-314)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:38:27
Pace7:31 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2922:087:0722:08
7:07
-
10K
6.21 mi10:49:1044:497:1322:41
7:18
+0:11
15K
9.32 mi11:11:391:07:187:1322:29
7:14
-0:04
20K
12.43 mi11:34:501:30:297:1723:11
7:28
+0:14
Half
13.11 mi11:39:351:35:147:164:45
6:58
-0:30
25K
15.53 mi11:56:491:52:287:1417:14
7:06
+0:08
30K
18.64 mi12:19:152:14:547:1422:26
7:13
+0:07
20M
20.00 mi12:28:562:24:357:149:41
7:08
-0:05
21M
21.00 mi12:36:162:31:557:147:20
7:20
+0:12
35K
21.75 mi12:41:282:37:077:135:12
6:57
-0:23
23M
23.00 mi12:51:082:46:477:159:40
7:43
+0:46
24M
24.00 mi12:59:082:54:477:178:00
8:00
+0:17
40K
24.85 mi13:06:173:01:567:197:09
8:22
+0:22
25.2M
25.20 mi13:09:283:05:077:213:11
9:14
+0:52
Finish
26.22 mi13:18:023:13:417:248:34
8:24
-0:50

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

6:57 /mi

Average Pace

7:24 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:57

5% of race

Time at Steady Pace

2:27:10

76% of race

Time at Slower Pace

36:34

19% of race

Average Pace: 7:23 /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 mi10:26:2922:087:0722:08
7:07
#8841
10K
6.21 mi10:49:1044:497:1322:41
7:18
#9545
15K
9.32 mi11:11:391:07:187:1322:29
7:14
#9497
20K
12.43 mi11:34:501:30:297:1723:11
7:28
#9697
Half
13.11 mi11:39:351:35:147:164:45
6:58
#9539
25K
15.53 mi11:56:491:52:287:1417:14
7:06
#9025
30K
18.64 mi12:19:152:14:547:1422:26
7:13
#8313
20M
20.00 mi12:28:562:24:357:149:41
7:08
#7972
21M
21.00 mi12:36:162:31:557:147:20
7:20
#7633
35K
21.75 mi12:41:282:37:077:135:12
6:57
#7487
23M
23.00 mi12:51:082:46:477:159:40
7:43
#7469
24M
24.00 mi12:59:082:54:477:178:00
8:00
#7602
40K
24.85 mi13:06:173:01:567:197:09
8:22
#7744
25.2M
25.20 mi13:09:283:05:077:213:11
9:14
#7804
Finish
26.22 mi13:18:023:13:417:248:34
8:24
#8118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8841751875189417(Top 33%)7775(Top 48%)7775(Top 138%)
10K6.21 mi3.10 mi9545-7047926-4087926-40810340(Top 36%)8331(Top 52%)8331(Top 148%)
15K9.32 mi3.11 mi9497+487874+527874+529417(Top 33%)7775(Top 48%)7775(Top 138%)
20K12.43 mi3.11 mi9697-2007937-637937-6310417(Top 37%)8220(Top 51%)8220(Top 146%)
Half13.11 mi0.68 mi9539+1587845+927845+927292(Top 26%)6434(Top 40%)6434(Top 114%)
25K15.53 mi2.42 mi9025+5147542+3037542+3037025(Top 25%)6138(Top 38%)6138(Top 109%)
30K18.64 mi3.11 mi8313+7127068+4747068+4746022(Top 21%)5323(Top 33%)5323(Top 94%)
20M20.00 mi1.36 mi7972+3416815+2536815+2534826(Top 17%)4352(Top 27%)4352(Top 77%)
21M21.00 mi1.00 mi7633+3396574+2416574+2413806(Top 13%)3469(Top 22%)3469(Top 61%)
35K21.75 mi0.75 mi7487+1466451+1236451+1235086(Top 18%)4453(Top 28%)4453(Top 79%)
23M23.00 mi1.25 mi7469+186403+486403+488011(Top 28%)6167(Top 38%)6167(Top 109%)
24M24.00 mi1.00 mi7602-1336457-546457-5411201(Top 39%)7754(Top 48%)7754(Top 137%)
40K24.85 mi0.85 mi7744-1426511-546511-5412498(Top 44%)8268(Top 51%)8268(Top 147%)
25.2M25.20 mi0.35 mi7804-606534-236534-2312991(Top 46%)8436(Top 52%)8436(Top 150%)
Finish26.22 mi1.02 mi8118-3146697-1636697-16315571(Top 55%)9725(Top 60%)9725(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9417

Males

7775

M18-39

7775

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10340

Males

8331

M18-39

8331

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9417

Males

7775

M18-39

7775

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10417

Males

8220

M18-39

8220

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7292

Males

6434

M18-39

6434

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7025

Males

6138

M18-39

6138

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6022

Males

5323

M18-39

5323

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4826

Males

4352

M18-39

4352

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3806

Males

3469

M18-39

3469

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5086

Males

4453

M18-39

4453

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8011

Males

6167

M18-39

6167

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11201

Males

7754

M18-39

7754

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12498

Males

8268

M18-39

8268

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12991

Males

8436

M18-39

8436

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15571

Males

9725

M18-39

9725

Passing Analysis

Category:
Athletes Passed
2810
Passed By
2086
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8841
5K → 10K50753-704#8841#9545
10K → 15K189141+48#9545#9497
15K → 20K130330-200#9497#9697
20K → Half1580+158#9697#9539
Half → 25K5173+514#9539#9025
25K → 30K7186+712#9025#8313
30K → 20M3421+341#8313#7972
20M → 21M3390+339#7972#7633
21M → 35K1515+146#7633#7487
35K → 23M10688+18#7487#7469
23M → 24M37170-133#7469#7602
24M → 40K40182-142#7602#7744
40K → 25.2M1878-60#7744#7804
25.2M → Finish15329-314#7804#8118
TOTALS28102086+723
📊

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