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BOSTON MARATHON 2025

Matthew O'Connell

Bib: 29767•M

MA

0:00
0:00
/ mi
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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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:27/mi
32:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:36/mi
1:05:22
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:38:37
↑ 67↓ 78
20K· 12.43 mi
10:27/mi
2:11:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:17:48
↑ 19↓ 370.5%
25K· 15.53 mi
12:03/mi
2:47:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
3:21:05
↑ 181↓ 1480.2%
20M
11:18/mi
3:36:26
↑ 64↓ 500.2%
21M
10:55/mi
3:47:21
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
3:56:18
↑ 17↓ 861.7%
23M
11:16/mi
4:10:25
↑ 23↓ 630.6%
24M
10:41/mi
4:21:06
↓ 821.3%
40K· 24.85 mi
11:30/mi
4:30:56
↓ 200.3%
25.2M
11:33/mi
4:34:55
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
4:45:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:48
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:27:52
Pace11:17 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3932:2710:2732:27
10:27
-
10K
6.21 mi12:23:341:05:2210:3132:55
10:36
+0:09
15K
9.32 mi12:56:491:38:3710:3533:15
10:42
+0:06
20K
12.43 mi13:29:182:11:0610:3332:29
10:27
-0:15
Half
13.11 mi13:36:002:17:4810:316:42
9:49
-0:38
25K
15.53 mi14:05:132:47:0110:4529:13
12:03
+2:14
30K
18.64 mi14:39:173:21:0510:4734:04
10:58
-1:05
20M
20.00 mi14:54:383:36:2610:4915:21
11:18
+0:20
21M
21.00 mi15:05:333:47:2110:5010:55
10:55
-0:23
35K
21.75 mi15:14:303:56:1810:528:57
11:58
+1:03
23M
23.00 mi15:28:374:10:2510:5314:07
11:16
-0:42
24M
24.00 mi15:39:184:21:0610:5310:41
10:41
-0:35
40K
24.85 mi15:49:084:30:5610:549:50
11:30
+0:49
25.2M
25.20 mi15:53:074:34:5510:553:59
11:33
+0:03
Finish
26.22 mi16:03:524:45:4010:5410:45
10:33
-1:00

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

9:49 /mi

Average Pace

10:54 /mi

Slowest Pace

12:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:18

40% of race

Time at Steady Pace

1:28:55

31% of race

Time at Slower Pace

1:21:27

29% of race

Average Pace: 10:54 /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 mi11:50:3932:2710:2732:27
10:27
#26639
10K
6.21 mi12:23:341:05:2210:3132:55
10:36
#26522
15K
9.32 mi12:56:491:38:3710:3533:15
10:42
#26424
20K
12.43 mi13:29:182:11:0610:3332:29
10:27
#26065
Half
13.11 mi13:36:002:17:4810:316:42
9:49
#25975
25K
15.53 mi14:05:132:47:0110:4529:13
12:03
#26121
30K
18.64 mi14:39:173:21:0510:4734:04
10:58
#25746
20M
20.00 mi14:54:383:36:2610:4915:21
11:18
#25618
21M
21.00 mi15:05:333:47:2110:5010:55
10:55
#25444
35K
21.75 mi15:14:303:56:1810:528:57
11:58
#25453
23M
23.00 mi15:28:374:10:2510:5314:07
11:16
#25374
24M
24.00 mi15:39:184:21:0610:5310:41
10:41
#25290
40K
24.85 mi15:49:084:30:5610:549:50
11:30
#25266
25.2M
25.20 mi15:53:074:34:5510:553:59
11:33
#25241
Finish
26.22 mi16:03:524:45:4010:5410:45
10:33
#25224
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26639154521545226256(Top 92%)15267(Top 95%)15267(Top 271%)
10K6.21 mi3.10 mi26522+11715392+6015392+6026427(Top 93%)15335(Top 95%)15335(Top 272%)
15K9.32 mi3.11 mi26424+9815345+4715345+4726256(Top 92%)15267(Top 95%)15267(Top 271%)
20K12.43 mi3.11 mi26065+35915178+16715178+16725118(Top 88%)14727(Top 91%)14727(Top 261%)
Half13.11 mi0.68 mi25975+9015131+4715131+4724422(Top 86%)14410(Top 89%)14410(Top 255%)
25K15.53 mi2.42 mi26121-14615200-6915200-6926482(Top 93%)15285(Top 95%)15285(Top 271%)
30K18.64 mi3.11 mi25746+37514988+21214988+21223950(Top 84%)14048(Top 87%)14048(Top 249%)
20M20.00 mi1.36 mi25618+12814917+7114917+7124180(Top 85%)14065(Top 87%)14065(Top 249%)
21M21.00 mi1.00 mi25444+17414822+9514822+9521169(Top 75%)12584(Top 78%)12584(Top 223%)
35K21.75 mi0.75 mi25453-914821+114821+125814(Top 91%)14738(Top 92%)14738(Top 261%)
23M23.00 mi1.25 mi25374+7914769+5214769+5223837(Top 84%)13759(Top 85%)13759(Top 244%)
24M24.00 mi1.00 mi25290+8414724+4514724+4523279(Top 82%)13450(Top 84%)13450(Top 238%)
40K24.85 mi0.85 mi25266+2414706+1814706+1824139(Top 85%)13845(Top 86%)13845(Top 245%)
25.2M25.20 mi0.35 mi25241+2514696+1014696+1022184(Top 78%)12889(Top 80%)12889(Top 228%)
Finish26.22 mi1.02 mi25224+1714680+1614680+1624395(Top 86%)13981(Top 87%)13981(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26256

Males

15267

M18-39

15267

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26427

Males

15335

M18-39

15335

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26256

Males

15267

M18-39

15267

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25118

Males

14727

M18-39

14727

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24422

Males

14410

M18-39

14410

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26482

Males

15285

M18-39

15285

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23950

Males

14048

M18-39

14048

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24180

Males

14065

M18-39

14065

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21169

Males

12584

M18-39

12584

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25814

Males

14738

M18-39

14738

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23837

Males

13759

M18-39

13759

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23279

Males

13450

M18-39

13450

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24139

Males

13845

M18-39

13845

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22184

Males

12889

M18-39

12889

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24395

Males

13981

M18-39

13981

Passing Analysis

Category:
Athletes Passed
1880
Passed By
465
Net Change
+1415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26639
5K → 10K240123+117#26639#26522
10K → 15K17072+98#26522#26424
15K → 20K3623+359#26424#26065
20K → Half900+90#26065#25975
Half → 25K37183-146#25975#26121
25K → 30K3761+375#26121#25746
30K → 20M1302+128#25746#25618
20M → 21M1740+174#25618#25444
21M → 35K1928-9#25444#25453
35K → 23M9112+79#25453#25374
23M → 24M906+84#25374#25290
24M → 40K3915+24#25290#25266
40K → 25.2M272+25#25266#25241
25.2M → Finish3518+17#25241#25224
TOTALS1880465+1415
📊

Passing Visuals

Category:
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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