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BOSTON MARATHON 2025

Christopher O'Reilly

Bib: 1192•M

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

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #868
Start → 5K
18:25 | 5:56/mi
10K· 6.21 mi
36:44
Rank: #839 (+29)
5K → 10K
18:19 | 5:54/mi
15K· 9.32 mi
55:11
Rank: #841 (-2)
10K → 15K
18:27 | 5:56/mi
20K· 12.43 mi
1:13:40
Rank: #801 (+40)
15K → 20K
18:29 | 5:57/mi
Half· 13.11 mi
1:17:41
Rank: #801
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:32:17
Rank: #798 (+3)
Half → 25K
14:36 | 6:01/mi
30K· 18.64 mi
1:51:29
Rank: #785 (+13)
25K → 30K
19:12 | 6:11/mi
20M
2:00:03
Rank: #782 (+3)
30K → 20M
8:34 | 6:18/mi
21M
2:06:43
Rank: #772 (+10)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:11:20
Rank: #762 (+10)
21M → 35K
4:37 | 6:10/mi
23M
2:19:19
Rank: #769 (-7)
35K → 23M
7:59 | 6:23/mi
24M
2:25:41
Rank: #782 (-13)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:31:11
Rank: #788 (-6)
24M → 40K
5:30 | 6:26/mi
25.2M
2:33:29
Rank: #781 (+7)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:39:29
Rank: #758 (+23)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:41
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:21:48
Pace6:14 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3518:255:5618:25
5:56
-
10K
6.21 mi10:36:5436:445:5518:19
5:54
-0:02
15K
9.32 mi10:55:2155:115:5518:27
5:56
+0:02
20K
12.43 mi11:13:501:13:405:5618:29
5:57
+0:01
Half
13.11 mi11:17:511:17:415:564:01
5:53
-0:04
25K
15.53 mi11:32:271:32:175:5614:36
6:01
+0:08
30K
18.64 mi11:51:391:51:295:5919:12
6:11
+0:10
20M
20.00 mi12:00:132:00:036:008:34
6:18
+0:07
21M
21.00 mi12:06:532:06:436:026:40
6:40
+0:22
35K
21.75 mi12:11:302:11:206:024:37
6:10
-0:30
23M
23.00 mi12:19:292:19:196:037:59
6:23
+0:13
24M
24.00 mi12:25:512:25:416:046:22
6:22
-0:01
40K
24.85 mi12:31:212:31:116:055:30
6:26
+0:04
25.2M
25.20 mi12:33:392:33:296:052:18
6:40
+0:14
Finish
26.22 mi12:39:392:39:296:056:00
5:53
-0:47

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

5:53 /mi

Average Pace

6:05 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:31

94% of race

Time at Steady Pace

8:58

6% 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 mi10:18:3518:255:5618:25
5:56
#868
10K
6.21 mi10:36:5436:445:5518:19
5:54
#839
15K
9.32 mi10:55:2155:115:5518:27
5:56
#841
20K
12.43 mi11:13:501:13:405:5618:29
5:57
#801
Half
13.11 mi11:17:511:17:415:564:01
5:53
#801
25K
15.53 mi11:32:271:32:175:5614:36
6:01
#798
30K
18.64 mi11:51:391:51:295:5919:12
6:11
#785
20M
20.00 mi12:00:132:00:036:008:34
6:18
#782
21M
21.00 mi12:06:532:06:436:026:40
6:40
#772
35K
21.75 mi12:11:302:11:206:024:37
6:10
#762
23M
23.00 mi12:19:292:19:196:037:59
6:23
#769
24M
24.00 mi12:25:512:25:416:046:22
6:22
#782
40K
24.85 mi12:31:212:31:116:055:30
6:26
#788
25.2M
25.20 mi12:33:392:33:296:052:18
6:40
#781
Finish
26.22 mi12:39:392:39:296:056:00
5:53
#758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi868813813848(Top 3%)796(Top 5%)796(Top 14%)
10K6.21 mi3.10 mi839+29786+27786+27811(Top 3%)760(Top 5%)760(Top 13%)
15K9.32 mi3.11 mi841-2789-3789-3848(Top 3%)796(Top 5%)796(Top 14%)
20K12.43 mi3.11 mi801+40750+39750+39742(Top 3%)694(Top 4%)694(Top 12%)
Half13.11 mi0.68 mi801750750807(Top 3%)761(Top 5%)761(Top 13%)
25K15.53 mi2.42 mi798+3747+3747+3859(Top 3%)806(Top 5%)806(Top 14%)
30K18.64 mi3.11 mi785+13736+11736+11857(Top 3%)802(Top 5%)802(Top 14%)
20M20.00 mi1.36 mi782+3732+4732+4966(Top 3%)911(Top 6%)911(Top 16%)
21M21.00 mi1.00 mi772+10722+10722+101087(Top 4%)1026(Top 6%)1026(Top 18%)
35K21.75 mi0.75 mi762+10712+10712+101119(Top 4%)1054(Top 7%)1054(Top 19%)
23M23.00 mi1.25 mi769-7720-8720-81063(Top 4%)1005(Top 6%)1005(Top 18%)
24M24.00 mi1.00 mi782-13732-12732-121511(Top 5%)1410(Top 9%)1410(Top 25%)
40K24.85 mi0.85 mi788-6736-4736-41352(Top 5%)1253(Top 8%)1253(Top 22%)
25.2M25.20 mi0.35 mi781+7729+7729+7700(Top 2%)650(Top 4%)650(Top 12%)
Finish26.22 mi1.02 mi758+23707+22707+22649(Top 2%)610(Top 4%)610(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

848

Males

796

M18-39

796

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

811

Males

760

M18-39

760

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

848

Males

796

M18-39

796

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

742

Males

694

M18-39

694

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

807

Males

761

M18-39

761

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

859

Males

806

M18-39

806

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

857

Males

802

M18-39

802

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

966

Males

911

M18-39

911

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1087

Males

1026

M18-39

1026

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1119

Males

1054

M18-39

1054

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1063

Males

1005

M18-39

1005

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1511

Males

1410

M18-39

1410

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1352

Males

1253

M18-39

1253

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

700

Males

650

M18-39

650

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

649

Males

610

M18-39

610

Passing Analysis

Category:
Athletes Passed
340
Passed By
230
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#868
5K → 10K6536+29#868#839
10K → 15K2830-2#839#841
15K → 20K5010+40#841#801
20K → Half330#801#801
Half → 25K2421+3#801#798
25K → 30K3926+13#798#785
30K → 20M2219+3#785#782
20M → 21M188+10#782#772
21M → 35K155+10#772#762
35K → 23M1825-7#762#769
23M → 24M1225-13#769#782
24M → 40K1117-6#782#788
40K → 25.2M81+7#788#781
25.2M → Finish274+23#781#758
TOTALS340230+110
📊

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