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BOSTON MARATHON 2025

Jonathan Ladson

Bib: 754•M

VA

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 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:23
Rank: #828
Start → 5K
18:23 | 5:55/mi
10K· 6.21 mi
36:23
Rank: #708 (+120)
5K → 10K
18:00 | 5:48/mi
15K· 9.32 mi
54:37
Rank: #686 (+22)
10K → 15K
18:14 | 5:52/mi
20K· 12.43 mi
1:12:43
Rank: #615 (+71)
15K → 20K
18:06 | 5:50/mi
Half· 13.11 mi
1:16:35
Rank: #601 (+14)
20K → Half
3:52 | 5:40/mi
25K· 15.53 mi
1:30:36
Rank: #553 (+48)
Half → 25K
14:01 | 5:47/mi
30K· 18.64 mi
1:49:29
Rank: #545 (+8)
25K → 30K
18:53 | 6:05/mi
20M
1:57:56
Rank: #556 (-11)
30K → 20M
8:27 | 6:13/mi
21M
2:04:42
Rank: #569 (-13)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:09:15
Rank: #573 (-4)
21M → 35K
4:33 | 6:05/mi
23M
2:17:06
Rank: #575 (-2)
35K → 23M
7:51 | 6:16/mi
24M
2:23:16
Rank: #577 (-2)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:28:42
Rank: #585 (-8)
24M → 40K
5:26 | 6:21/mi
25.2M
2:31:10
Rank: #593 (-8)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:37:30
Rank: #605 (-12)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:35
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:20:55
Pace6:10 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3818:235:5518:23
5:55
-
10K
6.21 mi10:36:3836:235:5118:00
5:48
-0:07
15K
9.32 mi10:54:5254:375:5218:14
5:52
+0:04
20K
12.43 mi11:12:581:12:435:5118:06
5:50
-0:02
Half
13.11 mi11:16:501:16:355:513:52
5:40
-0:10
25K
15.53 mi11:30:511:30:365:5014:01
5:47
+0:07
30K
18.64 mi11:49:441:49:295:5218:53
6:05
+0:18
20M
20.00 mi11:58:111:57:565:548:27
6:13
+0:08
21M
21.00 mi12:04:572:04:425:566:46
6:46
+0:33
35K
21.75 mi12:09:302:09:155:574:33
6:05
-0:41
23M
23.00 mi12:17:212:17:065:587:51
6:16
+0:11
24M
24.00 mi12:23:312:23:165:586:10
6:10
-0:06
40K
24.85 mi12:28:572:28:425:595:26
6:21
+0:11
25.2M
25.20 mi12:31:252:31:106:002:28
7:09
+0:48
Finish
26.22 mi12:37:452:37:306:016:20
6:13
-0:56

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

5:40 /mi

Average Pace

6:01 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:13

46% of race

Time at Steady Pace

1:10:37

45% of race

Time at Slower Pace

14:40

9% of race

Average Pace: 6:00 /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 mi10:18:3818:235:5518:23
5:55
#828
10K
6.21 mi10:36:3836:235:5118:00
5:48
#708
15K
9.32 mi10:54:5254:375:5218:14
5:52
#686
20K
12.43 mi11:12:581:12:435:5118:06
5:50
#615
Half
13.11 mi11:16:501:16:355:513:52
5:40
#601
25K
15.53 mi11:30:511:30:365:5014:01
5:47
#553
30K
18.64 mi11:49:441:49:295:5218:53
6:05
#545
20M
20.00 mi11:58:111:57:565:548:27
6:13
#556
21M
21.00 mi12:04:572:04:425:566:46
6:46
#569
35K
21.75 mi12:09:302:09:155:574:33
6:05
#573
23M
23.00 mi12:17:212:17:065:587:51
6:16
#575
24M
24.00 mi12:23:312:23:165:586:10
6:10
#577
40K
24.85 mi12:28:572:28:425:595:26
6:21
#585
25.2M
25.20 mi12:31:252:31:106:002:28
7:09
#593
Finish
26.22 mi12:37:452:37:306:016:20
6:13
#605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi828774774682(Top 2%)636(Top 4%)636(Top 11%)
10K6.21 mi3.10 mi708+120659+115659+115596(Top 2%)557(Top 3%)557(Top 10%)
15K9.32 mi3.11 mi686+22638+21638+21682(Top 2%)636(Top 4%)636(Top 11%)
20K12.43 mi3.11 mi615+71569+69569+69472(Top 2%)441(Top 3%)441(Top 8%)
Half13.11 mi0.68 mi601+14555+14555+14393(Top 1%)366(Top 2%)366(Top 6%)
25K15.53 mi2.42 mi553+48511+44511+44392(Top 1%)363(Top 2%)363(Top 6%)
30K18.64 mi3.11 mi545+8500+11500+11629(Top 2%)587(Top 4%)587(Top 10%)
20M20.00 mi1.36 mi556-11511-11511-11765(Top 3%)722(Top 4%)722(Top 13%)
21M21.00 mi1.00 mi569-13524-13524-131398(Top 5%)1318(Top 8%)1318(Top 23%)
35K21.75 mi0.75 mi573-4528-4528-4893(Top 3%)838(Top 5%)838(Top 15%)
23M23.00 mi1.25 mi575-2530-2530-2800(Top 3%)755(Top 5%)755(Top 13%)
24M24.00 mi1.00 mi577-2532-2532-2920(Top 3%)865(Top 5%)865(Top 15%)
40K24.85 mi0.85 mi585-8539-7539-71084(Top 4%)1013(Top 6%)1013(Top 18%)
25.2M25.20 mi0.35 mi593-8547-8547-81895(Top 7%)1708(Top 11%)1708(Top 30%)
Finish26.22 mi1.02 mi605-12557-10557-101545(Top 5%)1434(Top 9%)1434(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

682

Males

636

M18-39

636

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

596

Males

557

M18-39

557

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

682

Males

636

M18-39

636

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

472

Males

441

M18-39

441

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

393

Males

366

M18-39

366

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

392

Males

363

M18-39

363

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

629

Males

587

M18-39

587

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

765

Males

722

M18-39

722

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1398

Males

1318

M18-39

1318

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

893

Males

838

M18-39

838

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

800

Males

755

M18-39

755

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

920

Males

865

M18-39

865

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1084

Males

1013

M18-39

1013

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1895

Males

1708

M18-39

1708

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1545

Males

1434

M18-39

1434

Passing Analysis

Category:
Athletes Passed
383
Passed By
160
Net Change
+223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#828
5K → 10K1255+120#828#708
10K → 15K319+22#708#686
15K → 20K754+71#686#615
20K → Half140+14#615#601
Half → 25K491+48#601#553
25K → 30K3123+8#553#545
30K → 20M819-11#545#556
20M → 21M720-13#556#569
21M → 35K610-4#569#573
35K → 23M1214-2#573#575
23M → 24M810-2#575#577
24M → 40K614-8#577#585
40K → 25.2M210-8#585#593
25.2M → Finish921-12#593#605
TOTALS383160+223
📊

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