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BOSTON MARATHON 2025

Juan Leon

Bib: 8552•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M45-49)
#0 / 2386
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #3539
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
40:28
Rank: #3880 (-341)
5K → 10K
20:24 | 6:34/mi
15K· 9.32 mi
1:01:20
Rank: #4255 (-375)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:22:33
Rank: #4495 (-240)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:27:02
Rank: #4476 (+19)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:12
Rank: #4310 (+166)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:05:09
Rank: #4426 (-116)
25K → 30K
21:57 | 7:04/mi
20M
2:14:47
Rank: #4423 (+3)
30K → 20M
9:38 | 7:05/mi
21M
2:22:14
Rank: #4396 (+27)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:27:27
Rank: #4405 (-9)
21M → 35K
5:13 | 6:58/mi
23M
2:36:21
Rank: #4372 (+33)
35K → 23M
8:54 | 7:06/mi
24M
2:43:23
Rank: #4374 (-2)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:22
Rank: #4330 (+44)
24M → 40K
5:59 | 7:00/mi
25.2M
2:52:04
Rank: #4335 (-5)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:59:18
Rank: #4452 (-117)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:02
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2120:046:2820:04
6:28
-
10K
6.21 mi11:05:4540:286:3120:24
6:34
+0:06
15K
9.32 mi11:26:371:01:206:3520:52
6:43
+0:09
20K
12.43 mi11:47:501:22:336:3921:13
6:50
+0:07
Half
13.11 mi11:52:191:27:026:384:29
6:34
-0:16
25K
15.53 mi12:08:291:43:126:3916:10
6:40
+0:06
30K
18.64 mi12:30:262:05:096:4321:57
7:04
+0:24
20M
20.00 mi12:40:042:14:476:449:38
7:05
+0:01
21M
21.00 mi12:47:312:22:146:467:27
7:27
+0:22
35K
21.75 mi12:52:442:27:276:475:13
6:58
-0:29
23M
23.00 mi13:01:382:36:216:488:54
7:06
+0:08
24M
24.00 mi13:08:402:43:236:487:02
7:02
-0:04
40K
24.85 mi13:14:392:49:226:495:59
7:00
-0:02
25.2M
25.20 mi13:17:212:52:046:502:42
7:50
+0:50
Finish
26.22 mi13:24:352:59:186:517:14
7:06
-0:44

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

6:28 /mi

Average Pace

6:51 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:59

46% of race

Time at Steady Pace

1:27:10

49% of race

Time at Slower Pace

10:09

6% of race

Average Pace: 6:50 /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 mi10:45:2120:046:2820:04
6:28
#3539
10K
6.21 mi11:05:4540:286:3120:24
6:34
#3880
15K
9.32 mi11:26:371:01:206:3520:52
6:43
#4255
20K
12.43 mi11:47:501:22:336:3921:13
6:50
#4495
Half
13.11 mi11:52:191:27:026:384:29
6:34
#4476
25K
15.53 mi12:08:291:43:126:3916:10
6:40
#4310
30K
18.64 mi12:30:262:05:096:4321:57
7:04
#4426
20M
20.00 mi12:40:042:14:476:449:38
7:05
#4423
21M
21.00 mi12:47:312:22:146:467:27
7:27
#4396
35K
21.75 mi12:52:442:27:276:475:13
6:58
#4405
23M
23.00 mi13:01:382:36:216:488:54
7:06
#4372
24M
24.00 mi13:08:402:43:236:487:02
7:02
#4374
40K
24.85 mi13:14:392:49:226:495:59
7:00
#4330
25.2M
25.20 mi13:17:212:52:046:502:42
7:50
#4335
Finish
26.22 mi13:24:352:59:186:517:14
7:06
#4452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3539336133615242(Top 18%)4848(Top 30%)4848(Top 203%)
10K6.21 mi3.10 mi3880-3413670-3093670-3094204(Top 15%)3954(Top 25%)3954(Top 166%)
15K9.32 mi3.11 mi4255-3754002-3324002-3325242(Top 18%)4848(Top 30%)4848(Top 203%)
20K12.43 mi3.11 mi4495-2404213-2114213-2115592(Top 20%)5099(Top 32%)5099(Top 214%)
Half13.11 mi0.68 mi4476+194195+184195+184219(Top 15%)3958(Top 25%)3958(Top 166%)
25K15.53 mi2.42 mi4310+1664042+1534042+1533912(Top 14%)3659(Top 23%)3659(Top 153%)
30K18.64 mi3.11 mi4426-1164136-944136-945112(Top 18%)4629(Top 29%)4629(Top 194%)
20M20.00 mi1.36 mi4423+34122+144122+144624(Top 16%)4194(Top 26%)4194(Top 176%)
21M21.00 mi1.00 mi4396+274083+394083+394369(Top 15%)3913(Top 24%)3913(Top 164%)
35K21.75 mi0.75 mi4405-94086-34086-35178(Top 18%)4510(Top 28%)4510(Top 189%)
23M23.00 mi1.25 mi4372+334048+384048+384390(Top 15%)3878(Top 24%)3878(Top 163%)
24M24.00 mi1.00 mi4374-24041+74041+74828(Top 17%)4142(Top 26%)4142(Top 174%)
40K24.85 mi0.85 mi4330+443993+483993+483902(Top 14%)3421(Top 21%)3421(Top 143%)
25.2M25.20 mi0.35 mi4335-53994-13994-15027(Top 18%)4144(Top 26%)4144(Top 174%)
Finish26.22 mi1.02 mi4452-1174085-914085-916354(Top 22%)4954(Top 31%)4954(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5242

Males

4848

M45-49

4848

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4204

Males

3954

M45-49

3954

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5242

Males

4848

M45-49

4848

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5592

Males

5099

M45-49

5099

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4219

Males

3958

M45-49

3958

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3912

Males

3659

M45-49

3659

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5112

Males

4629

M45-49

4629

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4624

Males

4194

M45-49

4194

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4369

Males

3913

M45-49

3913

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5178

Males

4510

M45-49

4510

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4390

Males

3878

M45-49

3878

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4828

Males

4142

M45-49

4142

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3902

Males

3421

M45-49

3421

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5027

Males

4144

M45-49

4144

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6354

Males

4954

M45-49

4954

Passing Analysis

Category:
Athletes Passed
866
Passed By
1779
Net Change
-913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3539
5K → 10K28369-341#3539#3880
10K → 15K23398-375#3880#4255
15K → 20K49289-240#4255#4495
20K → Half3112+19#4495#4476
Half → 25K18418+166#4476#4310
25K → 30K112228-116#4310#4426
30K → 20M7471+3#4426#4423
20M → 21M8356+27#4423#4396
21M → 35K4150-9#4396#4405
35K → 23M8047+33#4405#4372
23M → 24M5759-2#4372#4374
24M → 40K6824+44#4374#4330
40K → 25.2M2227-5#4330#4335
25.2M → Finish14131-117#4335#4452
TOTALS8661779-913
📊

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