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BOSTON MARATHON 2025

Gary Oconnor

Bib: 10596•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:19
Rank: #6786
Start → 5K
21:19 | 6:52/mi
10K· 6.21 mi
42:37
Rank: #6836 (-50)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:04:33
Rank: #7279 (-443)
10K → 15K
21:56 | 7:04/mi
20K· 12.43 mi
1:29:09
Rank: #8755 (-1476)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:34:17
Rank: #8907 (-152)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:54:34
Rank: #10233 (-1326)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:22:36
Rank: #11810 (-1577)
25K → 30K
28:02 | 9:01/mi
20M
2:35:45
Rank: #12623 (-813)
30K → 20M
13:09 | 9:41/mi
21M
2:45:31
Rank: #12940 (-317)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
2:52:15
Rank: #13168 (-228)
21M → 35K
6:44 | 9:00/mi
23M
3:04:45
Rank: #13779 (-611)
35K → 23M
12:30 | 9:59/mi
24M
3:14:00
Rank: #14084 (-305)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:22:59
Rank: #14497 (-413)
24M → 40K
8:59 | 10:30/mi
25.2M
3:27:18
Rank: #14787 (-290)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
3:36:13
Rank: #14890 (-103)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:17
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time2:01:56
Pace9:18 /mi
📊Positive Split: 29.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0221:196:5221:19
6:52
-
10K
6.21 mi11:08:2042:376:5221:18
6:51
-0:01
15K
9.32 mi11:30:161:04:336:5621:56
7:04
+0:13
20K
12.43 mi11:54:521:29:097:1024:36
7:55
+0:51
Half
13.11 mi12:00:001:34:177:125:08
7:31
-0:24
25K
15.53 mi12:20:171:54:347:2320:17
8:22
+0:51
30K
18.64 mi12:48:192:22:367:3928:02
9:01
+0:39
20M
20.00 mi13:01:282:35:457:4713:09
9:41
+0:40
21M
21.00 mi13:11:142:45:317:539:46
9:46
+0:05
35K
21.75 mi13:17:582:52:157:556:44
9:00
-0:46
23M
23.00 mi13:30:283:04:458:0212:30
9:59
+0:59
24M
24.00 mi13:39:433:14:008:059:15
9:15
-0:44
40K
24.85 mi13:48:423:22:598:108:59
10:30
+1:15
25.2M
25.20 mi13:53:013:27:188:144:19
12:31
+2:01
Finish
26.22 mi14:01:563:36:138:158:55
8:45
-3:46

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

6:51 /mi

Average Pace

8:15 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:17

44% of race

Time at Steady Pace

1:26:22

40% of race

Time at Slower Pace

35:34

16% of race

Average Pace: 8:15 /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 mi10:47:0221:196:5221:19
6:52
#6786
10K
6.21 mi11:08:2042:376:5221:18
6:51
#6836
15K
9.32 mi11:30:161:04:336:5621:56
7:04
#7279
20K
12.43 mi11:54:521:29:097:1024:36
7:55
#8755
Half
13.11 mi12:00:001:34:177:125:08
7:31
#8907
25K
15.53 mi12:20:171:54:347:2320:17
8:22
#10233
30K
18.64 mi12:48:192:22:367:3928:02
9:01
#11810
20M
20.00 mi13:01:282:35:457:4713:09
9:41
#12623
21M
21.00 mi13:11:142:45:317:539:46
9:46
#12940
35K
21.75 mi13:17:582:52:157:556:44
9:00
#13168
23M
23.00 mi13:30:283:04:458:0212:30
9:59
#13779
24M
24.00 mi13:39:433:14:008:059:15
9:15
#14084
40K
24.85 mi13:48:423:22:598:108:59
10:30
#14497
25.2M
25.20 mi13:53:013:27:188:144:19
12:31
#14787
Finish
26.22 mi14:01:563:36:138:158:55
8:45
#14890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6786615161518048(Top 28%)6978(Top 43%)6978(Top 423%)
10K6.21 mi3.10 mi6836-506166-156166-156934(Top 24%)6228(Top 39%)6228(Top 378%)
15K9.32 mi3.11 mi7279-4436494-3286494-3288048(Top 28%)6978(Top 43%)6978(Top 423%)
20K12.43 mi3.11 mi8755-14767414-9207414-92014244(Top 50%)9986(Top 62%)9986(Top 606%)
Half13.11 mi0.68 mi8907-1527507-937507-9311901(Top 42%)9009(Top 56%)9009(Top 547%)
25K15.53 mi2.42 mi10233-13268188-6818188-68116312(Top 57%)10775(Top 67%)10775(Top 654%)
30K18.64 mi3.11 mi11810-15778878-6908878-69017796(Top 63%)11276(Top 70%)11276(Top 684%)
20M20.00 mi1.36 mi12623-8139219-3419219-34119847(Top 70%)12091(Top 75%)12091(Top 734%)
21M21.00 mi1.00 mi12940-3179329-1109329-11017307(Top 61%)10823(Top 67%)10823(Top 657%)
35K21.75 mi0.75 mi13168-2289416-879416-8718190(Top 64%)11126(Top 69%)11126(Top 675%)
23M23.00 mi1.25 mi13779-6119635-2199635-21920409(Top 72%)12109(Top 75%)12109(Top 735%)
24M24.00 mi1.00 mi14084-3059739-1049739-10418555(Top 65%)11184(Top 69%)11184(Top 679%)
40K24.85 mi0.85 mi14497-4139912-1739912-17321930(Top 77%)12707(Top 79%)12707(Top 771%)
25.2M25.20 mi0.35 mi14787-29010033-12110033-12124186(Top 85%)13849(Top 86%)13849(Top 840%)
Finish26.22 mi1.02 mi14890-10310036-310036-317746(Top 62%)10741(Top 67%)10741(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

8048

Males

6978

M55-59

6978

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6934

Males

6228

M55-59

6228

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

8048

Males

6978

M55-59

6978

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14244

Males

9986

M55-59

9986

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11901

Males

9009

M55-59

9009

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16312

Males

10775

M55-59

10775

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17796

Males

11276

M55-59

11276

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19847

Males

12091

M55-59

12091

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17307

Males

10823

M55-59

10823

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18190

Males

11126

M55-59

11126

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20409

Males

12109

M55-59

12109

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18555

Males

11184

M55-59

11184

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21930

Males

12707

M55-59

12707

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24186

Males

13849

M55-59

13849

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17746

Males

10741

M55-59

10741

Passing Analysis

Category:
Athletes Passed
482
Passed By
8583
Net Change
-8104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6786
5K → 10K181231-50#6786#6836
10K → 15K46489-443#6836#7279
15K → 20K101486-1476#7279#8755
20K → Half4156-152#8755#8907
Half → 25K201344-1326#8907#10233
25K → 30K311607-1577#10233#11810
30K → 20M20833-813#11810#12623
20M → 21M40357-317#12623#12940
21M → 35K16244-228#12940#13168
35K → 23M21632-611#13168#13779
23M → 24M27332-305#13779#14084
24M → 40K17430-413#14084#14497
40K → 25.2M2292-290#14497#14787
25.2M → Finish47150-103#14787#14890
TOTALS4828583-8104
📊

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