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BOSTON MARATHON 2025

John Corbett

Bib: 28056•M

NH

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0:00
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
34:18
Rank: #27603
Start → 5K
34:18 | 11:02/mi
10K· 6.21 mi
1:06:46
Rank: #26918 (+685)
5K → 10K
32:28 | 10:27/mi
15K· 9.32 mi
1:39:07
Rank: #26509 (+409)
10K → 15K
32:21 | 10:25/mi
20K· 12.43 mi
2:11:10
Rank: #26071 (+438)
15K → 20K
32:03 | 10:19/mi
Half· 13.11 mi
2:18:05
Rank: #26008 (+63)
20K → Half
6:55 | 10:08/mi
25K· 15.53 mi
2:43:26
Rank: #25721 (+287)
Half → 25K
25:21 | 10:27/mi
30K· 18.64 mi
3:17:14
Rank: #25380 (+341)
25K → 30K
33:48 | 10:53/mi
20M
3:31:31
Rank: #25209 (+171)
30K → 20M
14:17 | 10:31/mi
21M
3:42:00
Rank: #25004 (+205)
20M → 21M
10:29 | 10:29/mi
35K· 21.75 mi
3:49:38
Rank: #24937 (+67)
21M → 35K
7:38 | 10:12/mi
23M
4:02:54
Rank: #24813 (+124)
35K → 23M
13:16 | 10:36/mi
24M
4:12:56
Rank: #24700 (+113)
23M → 24M
10:02 | 10:02/mi
40K· 24.85 mi
4:21:44
Rank: #24597 (+103)
24M → 40K
8:48 | 10:18/mi
25.2M
4:25:29
Rank: #24544 (+53)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:35:02
Rank: #24460 (+84)
25.2M → Finish
9:33 | 9:22/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:18:05
Pace10:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:16:57
Pace10:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4034:1811:0234:18
11:02
-
10K
6.21 mi12:24:081:06:4610:4532:28
10:27
-0:35
15K
9.32 mi12:56:291:39:0710:3832:21
10:25
-0:02
20K
12.43 mi13:28:322:11:1010:3332:03
10:19
-0:06
Half
13.11 mi13:35:272:18:0510:326:55
10:08
-0:11
25K
15.53 mi14:00:482:43:2610:3125:21
10:27
+0:19
30K
18.64 mi14:34:363:17:1410:3533:48
10:53
+0:26
20M
20.00 mi14:48:533:31:3110:3514:17
10:31
-0:22
21M
21.00 mi14:59:223:42:0010:3410:29
10:29
-0:02
35K
21.75 mi15:07:003:49:3810:347:38
10:12
-0:17
23M
23.00 mi15:20:164:02:5410:3413:16
10:36
+0:24
24M
24.00 mi15:30:184:12:5610:3210:02
10:02
-0:34
40K
24.85 mi15:39:064:21:4410:328:48
10:18
+0:16
25.2M
25.20 mi15:42:514:25:2910:323:45
10:52
+0:34
Finish
26.22 mi15:52:244:35:0210:309:33
9:22
-1:30

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

9:22 /mi

Average Pace

10:30 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

42:56

16% of race

Time at Steady Pace

3:52:06

84% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:29 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:4034:1811:0234:18
11:02
#27603
10K
6.21 mi12:24:081:06:4610:4532:28
10:27
#26918
15K
9.32 mi12:56:291:39:0710:3832:21
10:25
#26509
20K
12.43 mi13:28:322:11:1010:3332:03
10:19
#26071
Half
13.11 mi13:35:272:18:0510:326:55
10:08
#26008
25K
15.53 mi14:00:482:43:2610:3125:21
10:27
#25721
30K
18.64 mi14:34:363:17:1410:3533:48
10:53
#25380
20M
20.00 mi14:48:533:31:3110:3514:17
10:31
#25209
21M
21.00 mi14:59:223:42:0010:3410:29
10:29
#25004
35K
21.75 mi15:07:003:49:3810:347:38
10:12
#24937
23M
23.00 mi15:20:164:02:5410:3413:16
10:36
#24813
24M
24.00 mi15:30:184:12:5610:3210:02
10:02
#24700
40K
24.85 mi15:39:064:21:4410:328:48
10:18
#24597
25.2M
25.20 mi15:42:514:25:2910:323:45
10:52
#24544
Finish
26.22 mi15:52:244:35:0210:309:33
9:22
#24460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27603158241582425782(Top 91%)15049(Top 93%)15049(Top 267%)
10K6.21 mi3.10 mi26918+68515555+26915555+26926179(Top 92%)15218(Top 94%)15218(Top 270%)
15K9.32 mi3.11 mi26509+40915383+17215383+17225782(Top 91%)15049(Top 93%)15049(Top 267%)
20K12.43 mi3.11 mi26071+43815181+20215181+20224857(Top 88%)14611(Top 91%)14611(Top 259%)
Half13.11 mi0.68 mi26008+6315148+3315148+3325109(Top 88%)14718(Top 91%)14718(Top 261%)
25K15.53 mi2.42 mi25721+28715010+13815010+13824282(Top 85%)14319(Top 89%)14319(Top 254%)
30K18.64 mi3.11 mi25380+34114821+18914821+18923764(Top 84%)13969(Top 87%)13969(Top 248%)
20M20.00 mi1.36 mi25209+17114729+9214729+9222456(Top 79%)13268(Top 82%)13268(Top 235%)
21M21.00 mi1.00 mi25004+20514631+9814631+9819952(Top 70%)12025(Top 75%)12025(Top 213%)
35K21.75 mi0.75 mi24937+6714598+3314598+3322442(Top 79%)13130(Top 82%)13130(Top 233%)
23M23.00 mi1.25 mi24813+12414523+7514523+7522259(Top 78%)13002(Top 81%)13002(Top 230%)
24M24.00 mi1.00 mi24700+11314451+7214451+7221468(Top 76%)12579(Top 78%)12579(Top 223%)
40K24.85 mi0.85 mi24597+10314398+5314398+5321352(Top 75%)12454(Top 77%)12454(Top 221%)
25.2M25.20 mi0.35 mi24544+5314374+2414374+2420257(Top 71%)11926(Top 74%)11926(Top 211%)
Finish26.22 mi1.02 mi24460+8414317+5714317+5720670(Top 73%)12142(Top 75%)12142(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25782

Males

15049

M18-39

15049

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26179

Males

15218

M18-39

15218

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25782

Males

15049

M18-39

15049

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24857

Males

14611

M18-39

14611

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25109

Males

14718

M18-39

14718

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24282

Males

14319

M18-39

14319

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23764

Males

13969

M18-39

13969

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22456

Males

13268

M18-39

13268

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19952

Males

12025

M18-39

12025

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22442

Males

13130

M18-39

13130

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22259

Males

13002

M18-39

13002

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21468

Males

12579

M18-39

12579

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21352

Males

12454

M18-39

12454

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20257

Males

11926

M18-39

11926

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20670

Males

12142

M18-39

12142

Passing Analysis

Category:
Athletes Passed
3181
Passed By
38
Net Change
+3143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27603
5K → 10K6883+685#27603#26918
10K → 15K4101+409#26918#26509
15K → 20K4391+438#26509#26071
20K → Half663+63#26071#26008
Half → 25K2914+287#26008#25721
25K → 30K3476+341#25721#25380
30K → 20M1765+171#25380#25209
20M → 21M2050+205#25209#25004
21M → 35K725+67#25004#24937
35K → 23M1262+124#24937#24813
23M → 24M1152+113#24813#24700
24M → 40K1052+103#24700#24597
40K → 25.2M530+53#24597#24544
25.2M → Finish884+84#24544#24460
TOTALS318138+3143
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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