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BOSTON MARATHON 2025

Juan Flores

Bib: 12448•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M50-54)
#0 / 1996
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:57/mi
21:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:38/mi
42:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:02:38
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:23:25
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:27:45
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:43:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:08/mi
2:06:02
↑ 181↓ 1480.2%
20M
6:47/mi
2:15:15
↑ 64↓ 500.2%
21M
7:20/mi
2:22:35
↑ 106↓ 241.6%
35K· 21.75 mi
6:21/mi
2:27:20
↑ 17↓ 861.7%
23M
6:36/mi
2:35:36
↑ 23↓ 630.6%
24M
6:47/mi
2:42:23
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:48:12
↓ 200.3%
25.2M
7:09/mi
2:50:40
↑ 13↓ 160.2%
Finish· 26.22 mi
6:23/mi
2:57:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0221:366:5721:36
6:57
-
10K
6.21 mi11:09:3942:136:4820:37
6:38
-0:19
15K
9.32 mi11:30:041:02:386:4320:25
6:34
-0:04
20K
12.43 mi11:50:511:23:256:4320:47
6:41
+0:07
Half
13.11 mi11:55:111:27:456:424:20
6:21
-0:20
25K
15.53 mi12:11:171:43:516:4116:06
6:38
+0:17
30K
18.64 mi12:33:282:06:026:4622:11
7:08
+0:30
20M
20.00 mi12:42:412:15:156:469:13
6:47
-0:21
21M
21.00 mi12:50:012:22:356:477:20
7:20
+0:33
35K
21.75 mi12:54:462:27:206:464:45
6:21
-0:59
23M
23.00 mi13:03:022:35:366:468:16
6:36
+0:15
24M
24.00 mi13:09:492:42:236:466:47
6:47
+0:11
40K
24.85 mi13:15:382:48:126:465:49
6:48
+0:01
25.2M
25.20 mi13:18:062:50:406:462:28
7:09
+0:21
Finish
26.22 mi13:24:362:57:106:466:30
6:23
-0:46

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

6:21 /mi

Average Pace

6:46 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:11

82% of race

Time at Steady Pace

31:59

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:49:0221:366:5721:36
6:57
#7432
10K
6.21 mi11:09:3942:136:4820:37
6:38
#6230
15K
9.32 mi11:30:041:02:386:4320:25
6:34
#5433
20K
12.43 mi11:50:511:23:256:4320:47
6:41
#5099
Half
13.11 mi11:55:111:27:456:424:20
6:21
#4941
25K
15.53 mi12:11:171:43:516:4116:06
6:38
#4669
30K
18.64 mi12:33:282:06:026:4622:11
7:08
#4841
20M
20.00 mi12:42:412:15:156:469:13
6:47
#4619
21M
21.00 mi12:50:012:22:356:477:20
7:20
#4523
35K
21.75 mi12:54:462:27:206:464:45
6:21
#4355
23M
23.00 mi13:03:022:35:366:468:16
6:36
#4125
24M
24.00 mi13:09:492:42:236:466:47
6:47
#4058
40K
24.85 mi13:15:382:48:126:465:49
6:48
#3982
25.2M
25.20 mi13:18:062:50:406:462:28
7:09
#3927
Finish
26.22 mi13:24:362:57:106:466:30
6:23
#3783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7432661566154023(Top 14%)3788(Top 24%)3788(Top 190%)
10K6.21 mi3.10 mi6230+12025706+9095706+9094733(Top 17%)4430(Top 28%)4430(Top 222%)
15K9.32 mi3.11 mi5433+7975025+6815025+6814023(Top 14%)3788(Top 24%)3788(Top 190%)
20K12.43 mi3.11 mi5099+3344734+2914734+2914323(Top 15%)4041(Top 25%)4041(Top 202%)
Half13.11 mi0.68 mi4941+1584601+1334601+1332789(Top 10%)2665(Top 17%)2665(Top 134%)
25K15.53 mi2.42 mi4669+2724351+2504351+2503714(Top 13%)3488(Top 22%)3488(Top 175%)
30K18.64 mi3.11 mi4841-1724478-1274478-1275541(Top 20%)4964(Top 31%)4964(Top 249%)
20M20.00 mi1.36 mi4619+2224283+1954283+1952830(Top 10%)2646(Top 16%)2646(Top 133%)
21M21.00 mi1.00 mi4523+964197+864197+863754(Top 13%)3417(Top 21%)3417(Top 171%)
35K21.75 mi0.75 mi4355+1684043+1544043+1541818(Top 6%)1707(Top 11%)1707(Top 86%)
23M23.00 mi1.25 mi4125+2303835+2083835+2081842(Top 6%)1723(Top 11%)1723(Top 86%)
24M24.00 mi1.00 mi4058+673770+653770+653384(Top 12%)3039(Top 19%)3039(Top 152%)
40K24.85 mi0.85 mi3982+763696+743696+742842(Top 10%)2568(Top 16%)2568(Top 129%)
25.2M25.20 mi0.35 mi3927+553645+513645+511971(Top 7%)1784(Top 11%)1784(Top 89%)
Finish26.22 mi1.02 mi3783+1443511+1343511+1342210(Top 8%)2023(Top 13%)2023(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

4023

Males

3788

M50-54

3788

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4733

Males

4430

M50-54

4430

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

4023

Males

3788

M50-54

3788

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4323

Males

4041

M50-54

4041

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2789

Males

2665

M50-54

2665

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3714

Males

3488

M50-54

3488

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5541

Males

4964

M50-54

4964

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2830

Males

2646

M50-54

2646

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3754

Males

3417

M50-54

3417

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1818

Males

1707

M50-54

1707

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1842

Males

1723

M50-54

1723

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3384

Males

3039

M50-54

3039

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2842

Males

2568

M50-54

2568

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1971

Males

1784

M50-54

1784

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2210

Males

2023

M50-54

2023

Passing Analysis

Category:
Athletes Passed
4015
Passed By
366
Net Change
+3649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7432
5K → 10K12042+1202#7432#6230
10K → 15K7992+797#6230#5433
15K → 20K35016+334#5433#5099
20K → Half1580+158#5099#4941
Half → 25K2808+272#4941#4669
25K → 30K106278-172#4669#4841
30K → 20M2231+222#4841#4619
20M → 21M12529+96#4619#4523
21M → 35K1680+168#4523#4355
35K → 23M2311+230#4355#4125
23M → 24M8114+67#4125#4058
24M → 40K8610+76#4058#3982
40K → 25.2M550+55#3982#3927
25.2M → Finish1495+144#3927#3783
TOTALS4015366+3649
📊

Passing Visuals

Category:
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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