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BOSTON MARATHON 2025

John Carter

Bib: 1419•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 11%
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
6:04/mi
18:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:38
↑ 79↓ 1380.4%
15K· 9.32 mi
6:01/mi
56:19
↑ 67↓ 78
20K· 12.43 mi
6:00/mi
1:14:56
↑ 106↓ 860.1%
Half· 13.11 mi
5:55/mi
1:18:58
↑ 19↓ 370.5%
25K· 15.53 mi
5:57/mi
1:33:23
↑ 66↓ 880.2%
30K· 18.64 mi
6:03/mi
1:52:12
↑ 181↓ 1480.2%
20M
6:09/mi
2:00:33
↑ 64↓ 500.2%
21M
6:24/mi
2:06:57
↑ 106↓ 241.6%
35K· 21.75 mi
6:00/mi
2:11:26
↑ 17↓ 861.7%
23M
6:16/mi
2:19:17
↑ 23↓ 630.6%
24M
6:13/mi
2:25:30
↓ 821.3%
40K· 24.85 mi
6:20/mi
2:30:55
↓ 200.3%
25.2M
6:49/mi
2:33:16
↑ 13↓ 160.2%
Finish· 26.22 mi
6:06/mi
2:39:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:58
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:20:31
Pace6:09 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1818:516:0418:51
6:04
-
10K
6.21 mi10:39:0537:386:0318:47
6:03
-0:01
15K
9.32 mi10:57:4656:196:0318:41
6:01
-0:02
20K
12.43 mi11:16:231:14:566:0218:37
6:00
-0:01
Half
13.11 mi11:20:251:18:586:014:02
5:55
-0:05
25K
15.53 mi11:34:501:33:236:0114:25
5:57
+0:02
30K
18.64 mi11:53:391:52:126:0118:49
6:03
+0:06
20M
20.00 mi12:02:002:00:336:028:21
6:09
+0:06
21M
21.00 mi12:08:242:06:576:036:24
6:24
+0:15
35K
21.75 mi12:12:532:11:266:034:29
6:00
-0:24
23M
23.00 mi12:20:442:19:176:037:51
6:16
+0:16
24M
24.00 mi12:26:572:25:306:046:13
6:13
-0:03
40K
24.85 mi12:32:222:30:556:045:25
6:20
+0:07
25.2M
25.20 mi12:34:432:33:166:052:21
6:49
+0:29
Finish
26.22 mi12:40:562:39:296:056:13
6:06
-0:43

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

5:55 /mi

Average Pace

6:05 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:08

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:05 /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 mi10:20:1818:516:0418:51
6:04
#1284
10K
6.21 mi10:39:0537:386:0318:47
6:03
#1246
15K
9.32 mi10:57:4656:196:0318:41
6:01
#1174
20K
12.43 mi11:16:231:14:566:0218:37
6:00
#1074
Half
13.11 mi11:20:251:18:586:014:02
5:55
#1061
25K
15.53 mi11:34:501:33:236:0114:25
5:57
#984
30K
18.64 mi11:53:391:52:126:0118:49
6:03
#879
20M
20.00 mi12:02:002:00:336:028:21
6:09
#831
21M
21.00 mi12:08:242:06:576:036:24
6:24
#799
35K
21.75 mi12:12:532:11:266:034:29
6:00
#779
23M
23.00 mi12:20:442:19:176:037:51
6:16
#765
24M
24.00 mi12:26:572:25:306:046:13
6:13
#761
40K
24.85 mi12:32:222:30:556:045:25
6:20
#759
25.2M
25.20 mi12:34:432:33:166:052:21
6:49
#760
Finish
26.22 mi12:40:562:39:296:056:13
6:06
#759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1284121912191073(Top 4%)1014(Top 6%)1014(Top 18%)
10K6.21 mi3.10 mi1246+381183+361183+361249(Top 4%)1184(Top 7%)1184(Top 21%)
15K9.32 mi3.11 mi1174+721111+721111+721073(Top 4%)1014(Top 6%)1014(Top 18%)
20K12.43 mi3.11 mi1074+1001014+971014+97848(Top 3%)798(Top 5%)798(Top 14%)
Half13.11 mi0.68 mi1061+131001+131001+13863(Top 3%)815(Top 5%)815(Top 14%)
25K15.53 mi2.42 mi984+77929+72929+72671(Top 2%)624(Top 4%)624(Top 11%)
30K18.64 mi3.11 mi879+105827+102827+102588(Top 2%)548(Top 3%)548(Top 10%)
20M20.00 mi1.36 mi831+48780+47780+47610(Top 2%)573(Top 4%)573(Top 10%)
21M21.00 mi1.00 mi799+32749+31749+31522(Top 2%)493(Top 3%)493(Top 9%)
35K21.75 mi0.75 mi779+20729+20729+20712(Top 3%)665(Top 4%)665(Top 12%)
23M23.00 mi1.25 mi765+14716+13716+13805(Top 3%)760(Top 5%)760(Top 13%)
24M24.00 mi1.00 mi761+4712+4712+41055(Top 4%)991(Top 6%)991(Top 18%)
40K24.85 mi0.85 mi759+2710+2710+21040(Top 4%)972(Top 6%)972(Top 17%)
25.2M25.20 mi0.35 mi760-1711-1711-1978(Top 3%)896(Top 6%)896(Top 16%)
Finish26.22 mi1.02 mi759+1708+3708+31173(Top 4%)1096(Top 7%)1096(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1073

Males

1014

M18-39

1014

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1249

Males

1184

M18-39

1184

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1073

Males

1014

M18-39

1014

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

848

Males

798

M18-39

798

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

863

Males

815

M18-39

815

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

671

Males

624

M18-39

624

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

588

Males

548

M18-39

548

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

610

Males

573

M18-39

573

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

522

Males

493

M18-39

493

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

712

Males

665

M18-39

665

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

805

Males

760

M18-39

760

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1055

Males

991

M18-39

991

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1040

Males

972

M18-39

972

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

978

Males

896

M18-39

896

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1173

Males

1096

M18-39

1096

Passing Analysis

Category:
Athletes Passed
655
Passed By
130
Net Change
+525
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1284
5K → 10K8042+38#1284#1246
10K → 15K8311+72#1246#1174
15K → 20K1033+100#1174#1074
20K → Half141+13#1074#1061
Half → 25K814+77#1061#984
25K → 30K1083+105#984#879
30K → 20M513+48#879#831
20M → 21M320+32#831#799
21M → 35K255+20#799#779
35K → 23M2612+14#779#765
23M → 24M1612+4#765#761
24M → 40K1311+2#761#759
40K → 25.2M67-1#759#760
25.2M → Finish1716+1#760#759
TOTALS655130+525
📊

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