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BOSTON MARATHON 2025

Sean O'Malley

Bib: 3970•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #4559
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
40:45
Rank: #4189 (+370)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:00:54
Rank: #3913 (+276)
10K → 15K
20:09 | 6:29/mi
20K· 12.43 mi
1:20:58
Rank: #3626 (+287)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:25:22
Rank: #3604 (+22)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:00
Rank: #3387 (+217)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
2:01:27
Rank: #3129 (+258)
25K → 30K
20:27 | 6:35/mi
20M
2:10:20
Rank: #2973 (+156)
30K → 20M
8:53 | 6:32/mi
21M
2:16:56
Rank: #2780 (+193)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:21:32
Rank: #2684 (+96)
21M → 35K
4:36 | 6:09/mi
23M
2:29:27
Rank: #2504 (+180)
35K → 23M
7:55 | 6:19/mi
24M
2:35:37
Rank: #2384 (+120)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:40:48
Rank: #2256 (+128)
24M → 40K
5:11 | 6:04/mi
25.2M
2:43:01
Rank: #2180 (+76)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:48:42
Rank: #2010 (+170)
25.2M → Finish
5:41 | 5:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:22
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:20
Pace6:21 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5320:306:3620:30
6:36
-
10K
6.21 mi10:43:0840:456:3320:15
6:31
-0:05
15K
9.32 mi11:03:171:00:546:3220:09
6:29
-0:02
20K
12.43 mi11:23:211:20:586:3120:04
6:28
-0:01
Half
13.11 mi11:27:451:25:226:314:24
6:27
-0:01
25K
15.53 mi11:43:231:41:006:3015:38
6:27
0:00
30K
18.64 mi12:03:502:01:276:3120:27
6:35
+0:08
20M
20.00 mi12:12:432:10:206:318:53
6:32
-0:03
21M
21.00 mi12:19:192:16:566:316:36
6:36
+0:04
35K
21.75 mi12:23:552:21:326:304:36
6:09
-0:27
23M
23.00 mi12:31:502:29:276:307:55
6:19
+0:10
24M
24.00 mi12:38:002:35:376:296:10
6:10
-0:09
40K
24.85 mi12:43:112:40:486:285:11
6:04
-0:06
25.2M
25.20 mi12:45:242:43:016:282:13
6:26
+0:22
Finish
26.22 mi12:51:052:48:426:265:41
5:35
-0:51

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

5:35 /mi

Average Pace

6:26 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:52

6% of race

Time at Steady Pace

2:10:44

77% of race

Time at Slower Pace

27:06

16% of race

Average Pace: 6:26 /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 mi10:22:5320:306:3620:30
6:36
#4559
10K
6.21 mi10:43:0840:456:3320:15
6:31
#4189
15K
9.32 mi11:03:171:00:546:3220:09
6:29
#3913
20K
12.43 mi11:23:211:20:586:3120:04
6:28
#3626
Half
13.11 mi11:27:451:25:226:314:24
6:27
#3604
25K
15.53 mi11:43:231:41:006:3015:38
6:27
#3387
30K
18.64 mi12:03:502:01:276:3120:27
6:35
#3129
20M
20.00 mi12:12:432:10:206:318:53
6:32
#2973
21M
21.00 mi12:19:192:16:566:316:36
6:36
#2780
35K
21.75 mi12:23:552:21:326:304:36
6:09
#2684
23M
23.00 mi12:31:502:29:276:307:55
6:19
#2504
24M
24.00 mi12:38:002:35:376:296:10
6:10
#2384
40K
24.85 mi12:43:112:40:486:285:11
6:04
#2256
25.2M
25.20 mi12:45:242:43:016:282:13
6:26
#2180
Finish
26.22 mi12:51:052:48:426:265:41
5:35
#2010
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4559428242823452(Top 12%)3268(Top 20%)3268(Top 58%)
10K6.21 mi3.10 mi4189+3703941+3413941+3413849(Top 14%)3626(Top 23%)3626(Top 64%)
15K9.32 mi3.11 mi3913+2763689+2523689+2523452(Top 12%)3268(Top 20%)3268(Top 58%)
20K12.43 mi3.11 mi3626+2873432+2573432+2572854(Top 10%)2717(Top 17%)2717(Top 48%)
Half13.11 mi0.68 mi3604+223412+203412+203303(Top 12%)3129(Top 19%)3129(Top 55%)
25K15.53 mi2.42 mi3387+2173219+1933219+1932583(Top 9%)2457(Top 15%)2457(Top 44%)
30K18.64 mi3.11 mi3129+2582975+2442975+2442327(Top 8%)2205(Top 14%)2205(Top 39%)
20M20.00 mi1.36 mi2973+1562827+1482827+1481758(Top 6%)1664(Top 10%)1664(Top 29%)
21M21.00 mi1.00 mi2780+1932647+1802647+180922(Top 3%)872(Top 5%)872(Top 15%)
35K21.75 mi0.75 mi2684+962553+942553+941091(Top 4%)1029(Top 6%)1029(Top 18%)
23M23.00 mi1.25 mi2504+1802383+1702383+170939(Top 3%)884(Top 5%)884(Top 16%)
24M24.00 mi1.00 mi2384+1202269+1142269+114941(Top 3%)886(Top 6%)886(Top 16%)
40K24.85 mi0.85 mi2256+1282144+1252144+125485(Top 2%)452(Top 3%)452(Top 8%)
25.2M25.20 mi0.35 mi2180+762071+732071+73375(Top 1%)349(Top 2%)349(Top 6%)
Finish26.22 mi1.02 mi2010+1701905+1661905+166211(Top 0.7%)199(Top 1%)199(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3452

Males

3268

M18-39

3268

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3849

Males

3626

M18-39

3626

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3452

Males

3268

M18-39

3268

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2854

Males

2717

M18-39

2717

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3303

Males

3129

M18-39

3129

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2583

Males

2457

M18-39

2457

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2327

Males

2205

M18-39

2205

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1758

Males

1664

M18-39

1664

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

922

Males

872

M18-39

872

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1091

Males

1029

M18-39

1029

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

939

Males

884

M18-39

884

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

941

Males

886

M18-39

886

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

485

Males

452

M18-39

452

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

375

Males

349

M18-39

349

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

211

Males

199

M18-39

199

Passing Analysis

Category:
Athletes Passed
2624
Passed By
75
Net Change
+2549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4559
5K → 10K40535+370#4559#4189
10K → 15K28913+276#4189#3913
15K → 20K2903+287#3913#3626
20K → Half297+22#3626#3604
Half → 25K2247+217#3604#3387
25K → 30K2657+258#3387#3129
30K → 20M1582+156#3129#2973
20M → 21M1930+193#2973#2780
21M → 35K960+96#2780#2684
35K → 23M1811+180#2684#2504
23M → 24M1200+120#2504#2384
24M → 40K1280+128#2384#2256
40K → 25.2M760+76#2256#2180
25.2M → Finish1700+170#2180#2010
TOTALS262475+2549
📊

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