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BOSTON MARATHON 2025

Sean O'Leary

Bib: 641•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.8%
Gender (Male)
#0 / 16105
Top 1%
Age Group (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:39
Rank: #398
Start → 5K
17:39 | 5:41/mi
10K· 6.21 mi
35:15
Rank: #387 (+11)
5K → 10K
17:36 | 5:40/mi
15K· 9.32 mi
52:56
Rank: #368 (+19)
10K → 15K
17:41 | 5:42/mi
20K· 12.43 mi
1:10:47
Rank: #372 (-4)
15K → 20K
17:51 | 5:45/mi
Half· 13.11 mi
1:14:35
Rank: #366 (+6)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:28:24
Rank: #347 (+19)
Half → 25K
13:49 | 5:42/mi
30K· 18.64 mi
1:46:13
Rank: #304 (+43)
25K → 30K
17:49 | 5:44/mi
20M
1:54:00
Rank: #280 (+24)
30K → 20M
7:47 | 5:44/mi
21M
2:00:01
Rank: #259 (+21)
20M → 21M
6:01 | 6:01/mi
35K· 21.75 mi
2:04:17
Rank: #249 (+10)
21M → 35K
4:16 | 5:42/mi
23M
2:11:48
Rank: #251 (-2)
35K → 23M
7:31 | 6:00/mi
24M
2:17:37
Rank: #241 (+10)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:22:41
Rank: #239 (+2)
24M → 40K
5:04 | 5:56/mi
25.2M
2:24:54
Rank: #239
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:30:54
Rank: #236 (+3)
25.2M → Finish
6:00 | 5:53/mi
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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:35
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:16:19
Pace5:49 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5017:395:4117:39
5:41
-
10K
6.21 mi10:35:2635:155:4017:36
5:40
-0:01
15K
9.32 mi10:53:0752:565:4117:41
5:42
+0:02
20K
12.43 mi11:10:581:10:475:4217:51
5:45
+0:03
Half
13.11 mi11:14:461:14:355:413:48
5:34
-0:11
25K
15.53 mi11:28:351:28:245:4113:49
5:42
+0:08
30K
18.64 mi11:46:241:46:135:4217:49
5:44
+0:02
20M
20.00 mi11:54:111:54:005:427:47
5:44
0:00
21M
21.00 mi12:00:122:00:015:436:01
6:01
+0:17
35K
21.75 mi12:04:282:04:175:434:16
5:42
-0:19
23M
23.00 mi12:11:592:11:485:447:31
6:00
+0:18
24M
24.00 mi12:17:482:17:375:445:49
5:49
-0:11
40K
24.85 mi12:22:522:22:415:445:04
5:56
+0:07
25.2M
25.20 mi12:25:052:24:545:452:13
6:26
+0:30
Finish
26.22 mi12:31:052:30:545:466:00
5:53
-0:33

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:34 /mi

Average Pace

5:46 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:28:41

99% of race

Time at Steady Pace

2:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:45 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:5017:395:4117:39
5:41
#398
10K
6.21 mi10:35:2635:155:4017:36
5:40
#387
15K
9.32 mi10:53:0752:565:4117:41
5:42
#368
20K
12.43 mi11:10:581:10:475:4217:51
5:45
#372
Half
13.11 mi11:14:461:14:355:413:48
5:34
#366
25K
15.53 mi11:28:351:28:245:4113:49
5:42
#347
30K
18.64 mi11:46:241:46:135:4217:49
5:44
#304
20M
20.00 mi11:54:111:54:005:427:47
5:44
#280
21M
21.00 mi12:00:122:00:015:436:01
6:01
#259
35K
21.75 mi12:04:282:04:175:434:16
5:42
#249
23M
23.00 mi12:11:592:11:485:447:31
6:00
#251
24M
24.00 mi12:17:482:17:375:445:49
5:49
#241
40K
24.85 mi12:22:522:22:415:445:04
5:56
#239
25.2M
25.20 mi12:25:052:24:545:452:13
6:26
#239
Finish
26.22 mi12:31:052:30:545:466:00
5:53
#236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi398365365366(Top 1%)337(Top 2%)337(Top 6%)
10K6.21 mi3.10 mi387+11355+10355+10384(Top 1%)354(Top 2%)354(Top 6%)
15K9.32 mi3.11 mi368+19338+17338+17366(Top 1%)337(Top 2%)337(Top 6%)
20K12.43 mi3.11 mi372-4342-4342-4375(Top 1%)346(Top 2%)346(Top 6%)
Half13.11 mi0.68 mi366+6337+5337+5261(Top 0.9%)236(Top 1%)236(Top 4%)
25K15.53 mi2.42 mi347+19318+19318+19284(Top 1.0%)258(Top 2%)258(Top 5%)
30K18.64 mi3.11 mi304+43276+42276+42191(Top 0.7%)169(Top 1%)169(Top 3%)
20M20.00 mi1.36 mi280+24253+23253+23145(Top 0.5%)132(Top 0.8%)132(Top 2%)
21M21.00 mi1.00 mi259+21234+19234+19129(Top 0.5%)121(Top 0.8%)121(Top 2%)
35K21.75 mi0.75 mi249+10226+8226+8259(Top 0.9%)238(Top 1%)238(Top 4%)
23M23.00 mi1.25 mi251-2228-2228-2331(Top 1%)309(Top 2%)309(Top 5%)
24M24.00 mi1.00 mi241+10218+10218+10288(Top 1%)266(Top 2%)266(Top 5%)
40K24.85 mi0.85 mi239+2217+1217+1308(Top 1%)283(Top 2%)283(Top 5%)
25.2M25.20 mi0.35 mi239217217342(Top 1%)316(Top 2%)316(Top 6%)
Finish26.22 mi1.02 mi236+3214+3214+3642(Top 2%)603(Top 4%)603(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

366

Males

337

M18-39

337

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

384

Males

354

M18-39

354

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

366

Males

337

M18-39

337

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

375

Males

346

M18-39

346

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

261

Males

236

M18-39

236

Half→25K

13.1 - 15.5 mi

Top 1.0%
×4stories
+66ft-88ft

Overall

284

Males

258

M18-39

258

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

191

Males

169

M18-39

169

30K→20M

18.6 - 20.0 mi

Top 0.5%
×5stories
+64ft-50ft

Overall

145

Males

132

M18-39

132

20M→21M

20.0 - 21.0 mi

Top 0.5%
×8stories
+106ft-24ft

Overall

129

Males

121

M18-39

121

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

259

Males

238

M18-39

238

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

331

Males

309

M18-39

309

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

288

Males

266

M18-39

266

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

308

Males

283

M18-39

283

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

342

Males

316

M18-39

316

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

642

Males

603

M18-39

603

Passing Analysis

Category:
Athletes Passed
234
Passed By
72
Net Change
+162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#398
5K → 10K2817+11#398#387
10K → 15K3314+19#387#368
15K → 20K1519-4#368#372
20K → Half60+6#372#366
Half → 25K234+19#366#347
25K → 30K430+43#347#304
30K → 20M240+24#304#280
20M → 21M210+21#280#259
21M → 35K111+10#259#249
35K → 23M57-2#249#251
23M → 24M100+10#251#241
24M → 40K64+2#241#239
40K → 25.2M220#239#239
25.2M → Finish74+3#239#236
TOTALS23472+162
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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