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BOSTON MARATHON 2025

Craig Corti

Bib: 2954•M

TX

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0:00
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:13
Rank: #1760
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:22
Rank: #1745 (+15)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
56:51
Rank: #1395 (+350)
10K → 15K
18:29 | 5:57/mi
20K· 12.43 mi
1:15:02
Rank: #1093 (+302)
15K → 20K
18:11 | 5:51/mi
Half· 13.11 mi
1:18:58
Rank: #1064 (+29)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:33:14
Rank: #959 (+105)
Half → 25K
14:16 | 5:53/mi
30K· 18.64 mi
1:52:10
Rank: #873 (+86)
25K → 30K
18:56 | 6:06/mi
20M
2:00:36
Rank: #839 (+34)
30K → 20M
8:26 | 6:12/mi
21M
2:07:10
Rank: #822 (+17)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:11:50
Rank: #823 (-1)
21M → 35K
4:40 | 6:14/mi
23M
2:19:56
Rank: #833 (-10)
35K → 23M
8:06 | 6:28/mi
24M
2:26:24
Rank: #848 (-15)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:32:06
Rank: #889 (-41)
24M → 40K
5:42 | 6:40/mi
25.2M
2:34:40
Rank: #900 (-11)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:41:23
Rank: #944 (-44)
25.2M → Finish
6:43 | 6:35/mi

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
Time1:22:25
Pace6:17 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:136:1119:13
6:11
-
10K
6.21 mi10:39:1538:226:1019:09
6:10
-0:01
15K
9.32 mi10:57:4456:516:0618:29
5:57
-0:13
20K
12.43 mi11:15:551:15:026:0218:11
5:51
-0:06
Half
13.11 mi11:19:511:18:586:013:56
5:46
-0:05
25K
15.53 mi11:34:071:33:146:0014:16
5:53
+0:07
30K
18.64 mi11:53:031:52:106:0118:56
6:06
+0:13
20M
20.00 mi12:01:292:00:366:028:26
6:12
+0:06
21M
21.00 mi12:08:032:07:106:036:34
6:34
+0:22
35K
21.75 mi12:12:432:11:506:044:40
6:14
-0:20
23M
23.00 mi12:20:492:19:566:058:06
6:28
+0:14
24M
24.00 mi12:27:172:26:246:066:28
6:28
0:00
40K
24.85 mi12:32:592:32:066:075:42
6:40
+0:12
25.2M
25.20 mi12:35:332:34:406:082:34
7:27
+0:47
Finish
26.22 mi12:42:162:41:236:106:43
6:35
-0:52

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

5:46 /mi

Average Pace

6:10 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:52

34% of race

Time at Steady Pace

1:10:24

44% of race

Time at Slower Pace

36:07

22% of race

Average Pace: 6:09 /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 mi10:20:0619:136:1119:13
6:11
#1760
10K
6.21 mi10:39:1538:226:1019:09
6:10
#1745
15K
9.32 mi10:57:4456:516:0618:29
5:57
#1395
20K
12.43 mi11:15:551:15:026:0218:11
5:51
#1093
Half
13.11 mi11:19:511:18:586:013:56
5:46
#1064
25K
15.53 mi11:34:071:33:146:0014:16
5:53
#959
30K
18.64 mi11:53:031:52:106:0118:56
6:06
#873
20M
20.00 mi12:01:292:00:366:028:26
6:12
#839
21M
21.00 mi12:08:032:07:106:036:34
6:34
#822
35K
21.75 mi12:12:432:11:506:044:40
6:14
#823
23M
23.00 mi12:20:492:19:566:058:06
6:28
#833
24M
24.00 mi12:27:172:26:246:066:28
6:28
#848
40K
24.85 mi12:32:592:32:066:075:42
6:40
#889
25.2M
25.20 mi12:35:332:34:406:082:34
7:27
#900
Finish
26.22 mi12:42:162:41:236:106:43
6:35
#944
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi176016711671885(Top 3%)833(Top 5%)833(Top 15%)
10K6.21 mi3.10 mi1745+151658+131658+131726(Top 6%)1642(Top 10%)1642(Top 29%)
15K9.32 mi3.11 mi1395+3501324+3341324+334885(Top 3%)833(Top 5%)833(Top 15%)
20K12.43 mi3.11 mi1093+3021033+2911033+291524(Top 2%)484(Top 3%)484(Top 9%)
Half13.11 mi0.68 mi1064+291004+291004+29528(Top 2%)496(Top 3%)496(Top 9%)
25K15.53 mi2.42 mi959+105905+99905+99546(Top 2%)505(Top 3%)505(Top 9%)
30K18.64 mi3.11 mi873+86821+84821+84670(Top 2%)628(Top 4%)628(Top 11%)
20M20.00 mi1.36 mi839+34788+33788+33750(Top 3%)708(Top 4%)708(Top 13%)
21M21.00 mi1.00 mi822+17771+17771+17824(Top 3%)779(Top 5%)779(Top 14%)
35K21.75 mi0.75 mi823-1773-2773-21333(Top 5%)1260(Top 8%)1260(Top 22%)
23M23.00 mi1.25 mi833-10781-8781-81343(Top 5%)1262(Top 8%)1262(Top 22%)
24M24.00 mi1.00 mi848-15795-14795-141895(Top 7%)1757(Top 11%)1757(Top 31%)
40K24.85 mi0.85 mi889-41833-38833-382200(Top 8%)2015(Top 13%)2015(Top 36%)
25.2M25.20 mi0.35 mi900-11843-10843-103059(Top 11%)2700(Top 17%)2700(Top 48%)
Finish26.22 mi1.02 mi944-44886-43886-433253(Top 11%)2861(Top 18%)2861(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

885

Males

833

M18-39

833

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1726

Males

1642

M18-39

1642

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

885

Males

833

M18-39

833

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

524

Males

484

M18-39

484

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

528

Males

496

M18-39

496

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

546

Males

505

M18-39

505

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

670

Males

628

M18-39

628

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

750

Males

708

M18-39

708

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

824

Males

779

M18-39

779

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1333

Males

1260

M18-39

1260

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1343

Males

1262

M18-39

1262

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1895

Males

1757

M18-39

1757

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2200

Males

2015

M18-39

2015

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3059

Males

2700

M18-39

2700

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3253

Males

2861

M18-39

2861

Passing Analysis

Category:
Athletes Passed
1088
Passed By
272
Net Change
+816
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1760
5K → 10K9378+15#1760#1745
10K → 15K3500+350#1745#1395
15K → 20K3020+302#1395#1093
20K → Half290+29#1093#1064
Half → 25K1050+105#1064#959
25K → 30K926+86#959#873
30K → 20M406+34#873#839
20M → 21M258+17#839#822
21M → 35K1314-1#822#823
35K → 23M1323-10#823#833
23M → 24M924-15#833#848
24M → 40K748-41#848#889
40K → 25.2M516-11#889#900
25.2M → Finish549-44#900#944
TOTALS1088272+816
📊

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