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BOSTON MARATHON 2025

Jim O'Connor

Bib: 11007•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M60-64)
#0 / 1259
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #11192
Start → 5K
7:23/mi
22:57 split
10K· 6.21 mi
46:04
Rank: #11350 (-158)
5K → 10K
7:26/mi
23:07 split
15K· 9.32 mi
1:09:31
Rank: #11600 (-250)
10K → 15K
7:33/mi
23:27 split
20K· 12.43 mi
1:34:04
Rank: #12234 (-634)
15K → 20K
7:54/mi
24:33 split
Half· 13.11 mi
1:39:25
Rank: #12351 (-117)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
1:58:51
Rank: #12604 (-253)
Half → 25K
8:01/mi
19:26 split
30K· 18.64 mi
2:24:08
Rank: #12523 (+81)
25K → 30K
8:08/mi
25:17 split
20M
2:35:33
Rank: #12533 (-10)
30K → 20M
8:24/mi
11:25 split
21M
2:44:07
Rank: #12422 (+111)
20M → 21M
8:34/mi
8:34 split
35K· 21.75 mi
2:50:04
Rank: #12378 (+44)
21M → 35K
7:57/mi
5:57 split
23M
3:00:29
Rank: #12327 (+51)
35K → 23M
8:19/mi
10:25 split
24M
3:08:57
Rank: #12424 (-97)
23M → 24M
8:28/mi
8:28 split
40K· 24.85 mi
3:16:06
Rank: #12405 (+19)
24M → 40K
8:22/mi
7:09 split
25.2M
3:19:02
Rank: #12337 (+68)
40K → 25.2M
8:30/mi
2:56 split
Finish· 26.22 mi
3:26:43
Rank: #12191 (+146)
25.2M → Finish
7:32/mi
7:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:25
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:47:18
Pace8:11 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4622:577:2322:57
7:23
-
10K
6.21 mi11:12:5346:047:2523:07
7:26
+0:03
15K
9.32 mi11:36:201:09:317:2823:27
7:33
+0:07
20K
12.43 mi12:00:531:34:047:3424:33
7:54
+0:21
Half
13.11 mi12:06:141:39:257:355:21
7:50
-0:04
25K
15.53 mi12:25:401:58:517:3919:26
8:01
+0:11
30K
18.64 mi12:50:572:24:087:4425:17
8:08
+0:07
20M
20.00 mi13:02:222:35:337:4711:25
8:24
+0:16
21M
21.00 mi13:10:562:44:077:498:34
8:34
+0:10
35K
21.75 mi13:16:532:50:047:495:57
7:57
-0:37
23M
23.00 mi13:27:183:00:297:5110:25
8:19
+0:22
24M
24.00 mi13:35:463:08:577:528:28
8:28
+0:09
40K
24.85 mi13:42:553:16:067:537:09
8:22
-0:06
25.2M
25.20 mi13:45:513:19:027:542:56
8:30
+0:08
Finish
26.22 mi13:53:323:26:437:537:41
7:32
-0:58

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

7:23 /mi

Average Pace

7:53 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:29

64% of race

Time at Steady Pace

1:14:14

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:49:4622:577:2322:57
7:23
#11192
10K
6.21 mi11:12:5346:047:2523:07
7:26
#11350
15K
9.32 mi11:36:201:09:317:2823:27
7:33
#11600
20K
12.43 mi12:00:531:34:047:3424:33
7:54
#12234
Half
13.11 mi12:06:141:39:257:355:21
7:50
#12351
25K
15.53 mi12:25:401:58:517:3919:26
8:01
#12604
30K
18.64 mi12:50:572:24:087:4425:17
8:08
#12523
20M
20.00 mi13:02:222:35:337:4711:25
8:24
#12533
21M
21.00 mi13:10:562:44:077:498:34
8:34
#12422
35K
21.75 mi13:16:532:50:047:495:57
7:57
#12378
23M
23.00 mi13:27:183:00:297:5110:25
8:19
#12327
24M
24.00 mi13:35:463:08:577:528:28
8:28
#12424
40K
24.85 mi13:42:553:16:067:537:09
8:22
#12405
25.2M
25.20 mi13:45:513:19:027:542:56
8:30
#12337
Finish
26.22 mi13:53:323:26:437:537:41
7:32
#12191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi111928799879912165(Top 43%)9136(Top 57%)9136(Top 726%)
10K6.21 mi3.10 mi11350-1588848-498848-4911546(Top 41%)8926(Top 55%)8926(Top 709%)
15K9.32 mi3.11 mi11600-2508948-1008948-10012165(Top 43%)9136(Top 57%)9136(Top 726%)
20K12.43 mi3.11 mi12234-6349203-2559203-25514084(Top 50%)9901(Top 61%)9901(Top 786%)
Half13.11 mi0.68 mi12351-1179249-469249-4614519(Top 51%)10100(Top 63%)10100(Top 802%)
25K15.53 mi2.42 mi12604-2539321-729321-7213985(Top 49%)9739(Top 60%)9739(Top 774%)
30K18.64 mi3.11 mi12523+819211+1109211+11012350(Top 43%)8837(Top 55%)8837(Top 702%)
20M20.00 mi1.36 mi12533-109176+359176+3513135(Top 46%)9044(Top 56%)9044(Top 718%)
21M21.00 mi1.00 mi12422+1119093+839093+8310883(Top 38%)7822(Top 49%)7822(Top 621%)
35K21.75 mi0.75 mi12378+449044+499044+4911907(Top 42%)8277(Top 51%)8277(Top 657%)
23M23.00 mi1.25 mi12327+518986+588986+5812141(Top 43%)8298(Top 52%)8298(Top 659%)
24M24.00 mi1.00 mi12424-979007-219007-2114263(Top 50%)9262(Top 58%)9262(Top 736%)
40K24.85 mi0.85 mi12405+198965+428965+4212514(Top 44%)8284(Top 51%)8284(Top 658%)
25.2M25.20 mi0.35 mi12337+688916+498916+498809(Top 31%)6368(Top 40%)6368(Top 506%)
Finish26.22 mi1.02 mi12191+1468810+1068810+1069477(Top 33%)6705(Top 42%)6705(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12165

Males

9136

M60-64

9136

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11546

Males

8926

M60-64

8926

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12165

Males

9136

M60-64

9136

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14084

Males

9901

M60-64

9901

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14519

Males

10100

M60-64

10100

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13985

Males

9739

M60-64

9739

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12350

Males

8837

M60-64

8837

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13135

Males

9044

M60-64

9044

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10883

Males

7822

M60-64

7822

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11907

Males

8277

M60-64

8277

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12141

Males

8298

M60-64

8298

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14263

Males

9262

M60-64

9262

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12514

Males

8284

M60-64

8284

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8809

Males

6368

M60-64

6368

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9477

Males

6705

M60-64

6705

Passing Analysis

Category:
Athletes Passed
1559
Passed By
2558
Net Change
-999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11192
5K → 10K178336-158#11192#11350
10K → 15K115365-250#11350#11600
15K → 20K64698-634#11600#12234
20K → Half4121-117#12234#12351
Half → 25K92345-253#12351#12604
25K → 30K275194+81#12604#12523
30K → 20M104114-10#12523#12533
20M → 21M16352+111#12533#12422
21M → 35K8238+44#12422#12378
35K → 23M12776+51#12378#12327
23M → 24M41138-97#12327#12424
24M → 40K8263+19#12424#12405
40K → 25.2M713+68#12405#12337
25.2M → Finish16115+146#12337#12191
TOTALS15592558-999
📊

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