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BOSTON MARATHON 2025

Shannon Oconnell

Bib: 9922•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #7194
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
43:07
Rank: #7430 (-236)
5K → 10K
21:38 | 6:58/mi
15K· 9.32 mi
1:04:12
Rank: #6987 (+443)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:25:24
Rank: #6604 (+383)
15K → 20K
21:12 | 6:49/mi
Half· 13.11 mi
1:29:58
Rank: #6527 (+77)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:30
Rank: #6215 (+312)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:07:59
Rank: #5713 (+502)
25K → 30K
21:29 | 6:55/mi
20M
2:17:43
Rank: #5639 (+74)
30K → 20M
9:44 | 7:10/mi
21M
2:25:15
Rank: #5559 (+80)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:30:33
Rank: #5552 (+7)
21M → 35K
5:18 | 7:05/mi
23M
2:39:40
Rank: #5454 (+98)
35K → 23M
9:07 | 7:17/mi
24M
2:46:56
Rank: #5446 (+8)
23M → 24M
7:16 | 7:17/mi
40K· 24.85 mi
2:53:10
Rank: #5393 (+53)
24M → 40K
6:14 | 7:17/mi
25.2M
2:55:38
Rank: #5305 (+88)
40K → 25.2M
2:28 | 7:10/mi
Finish· 26.22 mi
3:02:57
Rank: #5306 (-1)
25.2M → Finish
7:19 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:32:59
Pace7:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1721:296:5521:29
6:55
-
10K
6.21 mi11:08:5543:076:5621:38
6:58
+0:03
15K
9.32 mi11:30:001:04:126:5321:05
6:47
-0:11
20K
12.43 mi11:51:121:25:246:5221:12
6:49
+0:02
Half
13.11 mi11:55:461:29:586:524:34
6:42
-0:07
25K
15.53 mi12:12:181:46:306:5116:32
6:49
+0:07
30K
18.64 mi12:33:472:07:596:5221:29
6:55
+0:06
20M
20.00 mi12:43:312:17:436:539:44
7:10
+0:15
21M
21.00 mi12:51:032:25:156:557:32
7:32
+0:22
35K
21.75 mi12:56:212:30:336:555:18
7:05
-0:27
23M
23.00 mi13:05:282:39:406:579:07
7:17
+0:12
24M
24.00 mi13:12:442:46:566:577:16
7:17
0:00
40K
24.85 mi13:18:582:53:106:586:14
7:17
0:00
25.2M
25.20 mi13:21:262:55:386:582:28
7:10
-0:07
Finish
26.22 mi13:28:453:02:576:597:19
7:10
0:00

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

6:42 /mi

Average Pace

6:59 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:25

96% of race

Time at Steady Pace

7:32

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi10:47:1721:296:5521:29
6:55
#7194
10K
6.21 mi11:08:5543:076:5621:38
6:58
#7430
15K
9.32 mi11:30:001:04:126:5321:05
6:47
#6987
20K
12.43 mi11:51:121:25:246:5221:12
6:49
#6604
Half
13.11 mi11:55:461:29:586:524:34
6:42
#6527
25K
15.53 mi12:12:181:46:306:5116:32
6:49
#6215
30K
18.64 mi12:33:472:07:596:5221:29
6:55
#5713
20M
20.00 mi12:43:312:17:436:539:44
7:10
#5639
21M
21.00 mi12:51:032:25:156:557:32
7:32
#5559
35K
21.75 mi12:56:212:30:336:555:18
7:05
#5552
23M
23.00 mi13:05:282:39:406:579:07
7:17
#5454
24M
24.00 mi13:12:442:46:566:577:16
7:17
#5446
40K
24.85 mi13:18:582:53:106:586:14
7:17
#5393
25.2M
25.20 mi13:21:262:55:386:582:28
7:10
#5305
Finish
26.22 mi13:28:453:02:576:597:19
7:10
#5306
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71947317315972(Top 21%)529(Top 4%)529(Top 10%)
10K6.21 mi3.10 mi7430-236805-74805-747684(Top 27%)893(Top 7%)893(Top 16%)
15K9.32 mi3.11 mi6987+443698+107698+1075972(Top 21%)529(Top 4%)529(Top 10%)
20K12.43 mi3.11 mi6604+383627+71627+715560(Top 20%)474(Top 4%)474(Top 9%)
Half13.11 mi0.68 mi6527+77618+9618+95309(Top 19%)415(Top 3%)415(Top 8%)
25K15.53 mi2.42 mi6215+312573+45573+455040(Top 18%)405(Top 3%)405(Top 7%)
30K18.64 mi3.11 mi5713+502491+82491+824194(Top 15%)334(Top 3%)334(Top 6%)
20M20.00 mi1.36 mi5639+74482+9482+95021(Top 18%)510(Top 4%)510(Top 9%)
21M21.00 mi1.00 mi5559+80477+5477+54805(Top 17%)559(Top 5%)559(Top 10%)
35K21.75 mi0.75 mi5552+7485-8485-85920(Top 21%)888(Top 7%)888(Top 16%)
23M23.00 mi1.25 mi5454+98480+5480+55303(Top 19%)775(Top 6%)775(Top 14%)
24M24.00 mi1.00 mi5446+8491-11491-116268(Top 22%)1183(Top 10%)1183(Top 22%)
40K24.85 mi0.85 mi5393+53494-3494-35619(Top 20%)970(Top 8%)970(Top 18%)
25.2M25.20 mi0.35 mi5305+88483+11483+112050(Top 7%)199(Top 2%)199(Top 4%)
Finish26.22 mi1.02 mi5306-1500-17500-176866(Top 24%)1611(Top 13%)1611(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5972

Females

529

F18-39

529

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7684

Females

893

F18-39

893

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5972

Females

529

F18-39

529

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5560

Females

474

F18-39

474

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5309

Females

415

F18-39

415

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5040

Females

405

F18-39

405

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4194

Females

334

F18-39

334

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5021

Females

510

F18-39

510

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4805

Females

559

F18-39

559

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5920

Females

888

F18-39

888

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5303

Females

775

F18-39

775

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6268

Females

1183

F18-39

1183

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5619

Females

970

F18-39

970

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2050

Females

199

F18-39

199

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6866

Females

1611

F18-39

1611

Passing Analysis

Category:
Athletes Passed
2533
Passed By
645
Net Change
+1888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7194
5K → 10K117353-236#7194#7430
10K → 15K4518+443#7430#6987
15K → 20K39613+383#6987#6604
20K → Half814+77#6604#6527
Half → 25K32513+312#6527#6215
25K → 30K5075+502#6215#5713
30K → 20M11036+74#5713#5639
20M → 21M11232+80#5639#5559
21M → 35K4538+7#5559#5552
35K → 23M13234+98#5552#5454
23M → 24M5345+8#5454#5446
24M → 40K7219+53#5446#5393
40K → 25.2M880+88#5393#5305
25.2M → Finish4445-1#5305#5306
TOTALS2533645+1888
📊

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