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BOSTON MARATHON 2025

Jonathan Harper

Bib: 373•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:22
Rank: #816
Start → 5K
18:22 | 5:55/mi
10K· 6.21 mi
36:53
Rank: #904 (-88)
5K → 10K
18:31 | 5:58/mi
15K· 9.32 mi
55:31
Rank: #936 (-32)
10K → 15K
18:38 | 6:00/mi
20K· 12.43 mi
1:13:56
Rank: #857 (+79)
15K → 20K
18:25 | 5:56/mi
Half· 13.11 mi
1:17:51
Rank: #831 (+26)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:32:10
Rank: #778 (+53)
Half → 25K
14:19 | 5:54/mi
30K· 18.64 mi
1:50:53
Rank: #707 (+71)
25K → 30K
18:43 | 6:01/mi
20M
1:59:07
Rank: #674 (+33)
30K → 20M
8:14 | 6:04/mi
21M
2:05:17
Rank: #624 (+50)
20M → 21M
6:10 | 6:10/mi
35K· 21.75 mi
2:09:36
Rank: #600 (+24)
21M → 35K
4:19 | 5:46/mi
23M
2:17:01
Rank: #569 (+31)
35K → 23M
7:25 | 5:55/mi
24M
2:22:52
Rank: #554 (+15)
23M → 24M
5:51 | 5:51/mi
40K· 24.85 mi
2:27:58
Rank: #531 (+23)
24M → 40K
5:06 | 5:58/mi
25.2M
2:30:15
Rank: #528 (+3)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:36:29
Rank: #533 (-5)
25.2M → Finish
6:14 | 6:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:51
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:18:38
Pace6:00 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1218:225:5518:22
5:55
-
10K
6.21 mi10:37:4336:535:5618:31
5:58
+0:03
15K
9.32 mi10:56:2155:315:5718:38
6:00
+0:02
20K
12.43 mi11:14:461:13:565:5718:25
5:56
-0:04
Half
13.11 mi11:18:411:17:515:563:55
5:44
-0:12
25K
15.53 mi11:33:001:32:105:5614:19
5:54
+0:10
30K
18.64 mi11:51:431:50:535:5718:43
6:01
+0:07
20M
20.00 mi11:59:571:59:075:578:14
6:04
+0:03
21M
21.00 mi12:06:072:05:175:586:10
6:10
+0:06
35K
21.75 mi12:10:262:09:365:584:19
5:46
-0:24
23M
23.00 mi12:17:512:17:015:577:25
5:55
+0:09
24M
24.00 mi12:23:422:22:525:575:51
5:51
-0:04
40K
24.85 mi12:28:482:27:585:575:06
5:58
+0:07
25.2M
25.20 mi12:31:052:30:155:582:17
6:37
+0:39
Finish
26.22 mi12:37:192:36:295:586:14
6:07
-0:30

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

5:44 /mi

Average Pace

5:58 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:12

99% of race

Time at Steady Pace

2:17

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:19:1218:225:5518:22
5:55
#816
10K
6.21 mi10:37:4336:535:5618:31
5:58
#904
15K
9.32 mi10:56:2155:315:5718:38
6:00
#936
20K
12.43 mi11:14:461:13:565:5718:25
5:56
#857
Half
13.11 mi11:18:411:17:515:563:55
5:44
#831
25K
15.53 mi11:33:001:32:105:5614:19
5:54
#778
30K
18.64 mi11:51:431:50:535:5718:43
6:01
#707
20M
20.00 mi11:59:571:59:075:578:14
6:04
#674
21M
21.00 mi12:06:072:05:175:586:10
6:10
#624
35K
21.75 mi12:10:262:09:365:584:19
5:46
#600
23M
23.00 mi12:17:512:17:015:577:25
5:55
#569
24M
24.00 mi12:23:422:22:525:575:51
5:51
#554
40K
24.85 mi12:28:482:27:585:575:06
5:58
#531
25.2M
25.20 mi12:31:052:30:155:582:17
6:37
#528
Finish
26.22 mi12:37:192:36:295:586:14
6:07
#533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8167627621021(Top 4%)966(Top 6%)966(Top 17%)
10K6.21 mi3.10 mi904-88849-87849-87985(Top 3%)930(Top 6%)930(Top 16%)
15K9.32 mi3.11 mi936-32880-31880-311021(Top 4%)966(Top 6%)966(Top 17%)
20K12.43 mi3.11 mi857+79805+75805+75683(Top 2%)636(Top 4%)636(Top 11%)
Half13.11 mi0.68 mi831+26780+25780+25476(Top 2%)446(Top 3%)446(Top 8%)
25K15.53 mi2.42 mi778+53728+52728+52582(Top 2%)537(Top 3%)537(Top 10%)
30K18.64 mi3.11 mi707+71660+68660+68530(Top 2%)493(Top 3%)493(Top 9%)
20M20.00 mi1.36 mi674+33627+33627+33470(Top 2%)440(Top 3%)440(Top 8%)
21M21.00 mi1.00 mi624+50577+50577+50242(Top 0.9%)225(Top 1%)225(Top 4%)
35K21.75 mi0.75 mi600+24554+23554+23346(Top 1%)324(Top 2%)324(Top 6%)
23M23.00 mi1.25 mi569+31524+30524+30265(Top 0.9%)246(Top 2%)246(Top 4%)
24M24.00 mi1.00 mi554+15510+14510+14327(Top 1%)303(Top 2%)303(Top 5%)
40K24.85 mi0.85 mi531+23488+22488+22345(Top 1%)319(Top 2%)319(Top 6%)
25.2M25.20 mi0.35 mi528+3486+2486+2613(Top 2%)568(Top 4%)568(Top 10%)
Finish26.22 mi1.02 mi533-5493-7493-71231(Top 4%)1149(Top 7%)1149(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1021

Males

966

M18-39

966

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

985

Males

930

M18-39

930

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1021

Males

966

M18-39

966

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

683

Males

636

M18-39

636

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

476

Males

446

M18-39

446

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

582

Males

537

M18-39

537

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

530

Males

493

M18-39

493

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

470

Males

440

M18-39

440

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8stories
+106ft-24ft

Overall

242

Males

225

M18-39

225

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

346

Males

324

M18-39

324

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

265

Males

246

M18-39

246

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

327

Males

303

M18-39

303

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

345

Males

319

M18-39

319

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

613

Males

568

M18-39

568

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1231

Males

1149

M18-39

1149

Passing Analysis

Category:
Athletes Passed
478
Passed By
195
Net Change
+283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#816
5K → 10K18106-88#816#904
10K → 15K1648-32#904#936
15K → 20K845+79#936#857
20K → Half271+26#857#831
Half → 25K552+53#831#778
25K → 30K765+71#778#707
30K → 20M385+33#707#674
20M → 21M500+50#674#624
21M → 35K240+24#624#600
35K → 23M321+31#600#569
23M → 24M183+15#569#554
24M → 40K252+23#554#531
40K → 25.2M63+3#531#528
25.2M → Finish914-5#528#533
TOTALS478195+283
📊

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