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BOSTON MARATHON 2025

Juan Carlos Cantón

Bib: 10911•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M50-54)
#0 / 1996
Top 23%
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
7:04/mi
21:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
43:35
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:05:13
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:27:01
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:49:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:12:15
↑ 181↓ 1480.2%
20M
7:46/mi
2:22:48
↑ 64↓ 500.2%
21M
8:20/mi
2:31:08
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:36:40
↑ 17↓ 861.7%
23M
7:58/mi
2:46:39
↑ 23↓ 630.6%
24M
7:36/mi
2:54:15
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:01:04
↓ 200.3%
25.2M
8:33/mi
3:04:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:11:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5921:577:0421:57
7:04
-
10K
6.21 mi11:10:3743:357:0121:38
6:58
-0:06
15K
9.32 mi11:32:151:05:137:0021:38
6:58
0:00
20K
12.43 mi11:54:031:27:017:0021:48
7:01
+0:03
Half
13.11 mi11:58:471:31:457:004:44
6:56
-0:05
25K
15.53 mi12:16:081:49:067:0117:21
7:09
+0:13
30K
18.64 mi12:39:172:12:157:0623:09
7:27
+0:18
20M
20.00 mi12:49:502:22:487:0810:33
7:46
+0:19
21M
21.00 mi12:58:102:31:087:128:20
8:20
+0:34
35K
21.75 mi13:03:422:36:407:125:32
7:24
-0:56
23M
23.00 mi13:13:412:46:397:159:59
7:58
+0:34
24M
24.00 mi13:21:172:54:157:167:36
7:36
-0:22
40K
24.85 mi13:28:063:01:047:176:49
7:58
+0:22
25.2M
25.20 mi13:31:033:04:017:182:57
8:33
+0:35
Finish
26.22 mi13:38:593:11:577:207:56
7:47
-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

6:56 /mi

Average Pace

7:20 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:06

57% of race

Time at Steady Pace

36:17

19% of race

Time at Slower Pace

46:34

24% of race

Average Pace: 7:19 /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 mi10:48:5921:577:0421:57
7:04
#8327
10K
6.21 mi11:10:3743:357:0121:38
6:58
#7948
15K
9.32 mi11:32:151:05:137:0021:38
6:58
#7733
20K
12.43 mi11:54:031:27:017:0021:48
7:01
#7514
Half
13.11 mi11:58:471:31:457:004:44
6:56
#7486
25K
15.53 mi12:16:081:49:067:0117:21
7:09
#7405
30K
18.64 mi12:39:172:12:157:0623:09
7:27
#7315
20M
20.00 mi12:49:502:22:487:0810:33
7:46
#7332
21M
21.00 mi12:58:102:31:087:128:20
8:20
#7360
35K
21.75 mi13:03:422:36:407:125:32
7:24
#7343
23M
23.00 mi13:13:412:46:397:159:59
7:58
#7420
24M
24.00 mi13:21:172:54:157:167:36
7:36
#7422
40K
24.85 mi13:28:063:01:047:176:49
7:58
#7466
25.2M
25.20 mi13:31:033:04:017:182:57
8:33
#7486
Finish
26.22 mi13:38:593:11:577:207:56
7:47
#7602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8327719871987381(Top 26%)6532(Top 41%)6532(Top 327%)
10K6.21 mi3.10 mi7948+3796948+2506948+2507666(Top 27%)6756(Top 42%)6756(Top 338%)
15K9.32 mi3.11 mi7733+2156802+1466802+1467381(Top 26%)6532(Top 41%)6532(Top 327%)
20K12.43 mi3.11 mi7514+2196643+1596643+1596965(Top 25%)6180(Top 38%)6180(Top 310%)
Half13.11 mi0.68 mi7486+286618+256618+257126(Top 25%)6303(Top 39%)6303(Top 316%)
25K15.53 mi2.42 mi7405+816549+696549+697300(Top 26%)6314(Top 39%)6314(Top 316%)
30K18.64 mi3.11 mi7315+906434+1156434+1157383(Top 26%)6207(Top 39%)6207(Top 311%)
20M20.00 mi1.36 mi7332-176415+196415+198768(Top 31%)6872(Top 43%)6872(Top 344%)
21M21.00 mi1.00 mi7360-286399+166399+169391(Top 33%)7027(Top 44%)7027(Top 352%)
35K21.75 mi0.75 mi7343+176359+406359+407837(Top 28%)6191(Top 38%)6191(Top 310%)
23M23.00 mi1.25 mi7420-776371-126371-129805(Top 35%)7123(Top 44%)7123(Top 357%)
24M24.00 mi1.00 mi7422-26336+356336+358383(Top 30%)6312(Top 39%)6312(Top 316%)
40K24.85 mi0.85 mi7466-446330+66330+69952(Top 35%)7008(Top 44%)7008(Top 351%)
25.2M25.20 mi0.35 mi7486-20633063309008(Top 32%)6427(Top 40%)6427(Top 322%)
Finish26.22 mi1.02 mi7602-1166375-456375-4511283(Top 40%)7642(Top 47%)7642(Top 383%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7381

Males

6532

M50-54

6532

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7666

Males

6756

M50-54

6756

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7381

Males

6532

M50-54

6532

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6965

Males

6180

M50-54

6180

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7126

Males

6303

M50-54

6303

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7300

Males

6314

M50-54

6314

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7383

Males

6207

M50-54

6207

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8768

Males

6872

M50-54

6872

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9391

Males

7027

M50-54

7027

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7837

Males

6191

M50-54

6191

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9805

Males

7123

M50-54

7123

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8383

Males

6312

M50-54

6312

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9952

Males

7008

M50-54

7008

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9008

Males

6427

M50-54

6427

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11283

Males

7642

M50-54

7642

Passing Analysis

Category:
Athletes Passed
1863
Passed By
1138
Net Change
+725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8327
5K → 10K46182+379#8327#7948
10K → 15K25742+215#7948#7733
15K → 20K26041+219#7733#7514
20K → Half4113+28#7514#7486
Half → 25K14564+81#7486#7405
25K → 30K217127+90#7405#7315
30K → 20M96113-17#7315#7332
20M → 21M7199-28#7332#7360
21M → 35K6144+17#7360#7343
35K → 23M71148-77#7343#7420
23M → 24M6769-2#7420#7422
24M → 40K60104-44#7422#7466
40K → 25.2M2444-20#7466#7486
25.2M → Finish32148-116#7486#7602
TOTALS18631138+725
📊

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