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BOSTON MARATHON 2025

Cortney Sweeney

Bib: 17867•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:52
Rank: #13818
Start → 5K
23:52 | 7:41/mi
10K· 6.21 mi
47:24
Rank: #13300 (+518)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:11:06
Rank: #13121 (+179)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:34:57
Rank: #12839 (+282)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:40:07
Rank: #12816 (+23)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:49
Rank: #12585 (+231)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:23:42
Rank: #12347 (+238)
25K → 30K
24:53 | 8:01/mi
20M
2:34:38
Rank: #12168 (+179)
30K → 20M
10:56 | 8:03/mi
21M
2:43:09
Rank: #12048 (+120)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:48:59
Rank: #11981 (+67)
21M → 35K
5:50 | 7:48/mi
23M
2:59:06
Rank: #11866 (+115)
35K → 23M
10:07 | 8:05/mi
24M
3:07:03
Rank: #11803 (+63)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:13:53
Rank: #11691 (+112)
24M → 40K
6:50 | 8:00/mi
25.2M
3:16:54
Rank: #11661 (+30)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:24:30
Rank: #11506 (+155)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0323:527:4123:52
7:41
-
10K
6.21 mi11:40:3547:247:3823:32
7:34
-0:07
15K
9.32 mi12:04:171:11:067:3823:42
7:38
+0:04
20K
12.43 mi12:28:081:34:577:3823:51
7:41
+0:03
Half
13.11 mi12:33:181:40:077:385:10
7:34
-0:07
25K
15.53 mi12:52:001:58:497:3918:42
7:43
+0:09
30K
18.64 mi13:16:532:23:427:4324:53
8:01
+0:18
20M
20.00 mi13:27:492:34:387:4410:56
8:03
+0:02
21M
21.00 mi13:36:202:43:097:468:31
8:31
+0:28
35K
21.75 mi13:42:102:48:597:465:50
7:48
-0:43
23M
23.00 mi13:52:172:59:067:4710:07
8:05
+0:17
24M
24.00 mi14:00:143:07:037:487:57
7:57
-0:08
40K
24.85 mi14:07:043:13:537:486:50
8:00
+0:03
25.2M
25.20 mi14:10:053:16:547:493:01
8:45
+0:45
Finish
26.22 mi14:17:413:24:307:487:36
7:27
-1:18

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

7:27 /mi

Average Pace

7:48 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:58

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:17:0323:527:4123:52
7:41
#13818
10K
6.21 mi11:40:3547:247:3823:32
7:34
#13300
15K
9.32 mi12:04:171:11:067:3823:42
7:38
#13121
20K
12.43 mi12:28:081:34:577:3823:51
7:41
#12839
Half
13.11 mi12:33:181:40:077:385:10
7:34
#12816
25K
15.53 mi12:52:001:58:497:3918:42
7:43
#12585
30K
18.64 mi13:16:532:23:427:4324:53
8:01
#12347
20M
20.00 mi13:27:492:34:387:4410:56
8:03
#12168
21M
21.00 mi13:36:202:43:097:468:31
8:31
#12048
35K
21.75 mi13:42:102:48:597:465:50
7:48
#11981
23M
23.00 mi13:52:172:59:067:4710:07
8:05
#11866
24M
24.00 mi14:00:143:07:037:487:57
7:57
#11803
40K
24.85 mi14:07:043:13:537:486:50
8:00
#11691
25.2M
25.20 mi14:10:053:16:547:493:01
8:45
#11661
Finish
26.22 mi14:17:413:24:307:487:36
7:27
#11506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138183785378512874(Top 45%)3371(Top 28%)3371(Top 62%)
10K6.21 mi3.10 mi13300+5183527+2583527+25812802(Top 45%)3251(Top 27%)3251(Top 59%)
15K9.32 mi3.11 mi13121+1793462+653462+6512874(Top 45%)3371(Top 28%)3371(Top 62%)
20K12.43 mi3.11 mi12839+2823348+1143348+11412206(Top 43%)3111(Top 25%)3111(Top 57%)
Half13.11 mi0.68 mi12816+233345+33345+312398(Top 44%)3165(Top 26%)3165(Top 58%)
25K15.53 mi2.42 mi12585+2313237+1083237+10811668(Top 41%)2945(Top 24%)2945(Top 54%)
30K18.64 mi3.11 mi12347+2383187+503187+5011452(Top 40%)3007(Top 25%)3007(Top 55%)
20M20.00 mi1.36 mi12168+1793120+673120+6710770(Top 38%)2817(Top 23%)2817(Top 52%)
21M21.00 mi1.00 mi12048+1203097+233097+2310604(Top 37%)2907(Top 24%)2907(Top 53%)
35K21.75 mi0.75 mi11981+673086+113086+1110848(Top 38%)3031(Top 25%)3031(Top 55%)
23M23.00 mi1.25 mi11866+1153070+163070+1610637(Top 37%)3055(Top 25%)3055(Top 56%)
24M24.00 mi1.00 mi11803+633074-43074-410911(Top 38%)3253(Top 27%)3253(Top 59%)
40K24.85 mi0.85 mi11691+1123042+323042+3210175(Top 36%)3015(Top 25%)3015(Top 55%)
25.2M25.20 mi0.35 mi11661+303043-13043-110358(Top 36%)3194(Top 26%)3194(Top 58%)
Finish26.22 mi1.02 mi11506+1553011+323011+328931(Top 31%)2505(Top 20%)2505(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12874

Females

3371

F18-39

3371

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12802

Females

3251

F18-39

3251

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12874

Females

3371

F18-39

3371

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12206

Females

3111

F18-39

3111

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12398

Females

3165

F18-39

3165

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11668

Females

2945

F18-39

2945

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11452

Females

3007

F18-39

3007

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10770

Females

2817

F18-39

2817

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10604

Females

2907

F18-39

2907

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10848

Females

3031

F18-39

3031

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10637

Females

3055

F18-39

3055

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10911

Females

3253

F18-39

3253

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10175

Females

3015

F18-39

3015

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10358

Females

3194

F18-39

3194

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8931

Females

2505

F18-39

2505

Passing Analysis

Category:
Athletes Passed
3031
Passed By
719
Net Change
+2312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13818
5K → 10K60991+518#13818#13300
10K → 15K290111+179#13300#13121
15K → 20K36078+282#13121#12839
20K → Half4724+23#12839#12816
Half → 25K26736+231#12816#12585
25K → 30K356118+238#12585#12347
30K → 20M20627+179#12347#12168
20M → 21M16949+120#12168#12048
21M → 35K9528+67#12048#11981
35K → 23M16449+115#11981#11866
23M → 24M10946+63#11866#11803
24M → 40K13927+112#11803#11691
40K → 25.2M4313+30#11691#11661
25.2M → Finish17722+155#11661#11506
TOTALS3031719+2312
📊

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