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BOSTON MARATHON 2025

Hannah Slattery

Bib: 19189•F

MI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:31
Rank: #18209
Start → 5K
25:31 | 8:13/mi
10K· 6.21 mi
51:07
Rank: #18155 (+54)
5K → 10K
25:36 | 8:14/mi
15K· 9.32 mi
1:16:52
Rank: #18084 (+71)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:43:21
Rank: #18102 (-18)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:49:06
Rank: #18115 (-13)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:10:01
Rank: #18058 (+57)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:39:01
Rank: #18326 (-268)
25K → 30K
29:00 | 9:20/mi
20M
2:51:34
Rank: #18289 (+37)
30K → 20M
12:33 | 9:14/mi
21M
3:01:17
Rank: #18205 (+84)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:07:46
Rank: #18131 (+74)
21M → 35K
6:29 | 8:40/mi
23M
3:18:52
Rank: #17956 (+175)
35K → 23M
11:06 | 8:52/mi
24M
3:27:24
Rank: #17780 (+176)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:34:32
Rank: #17583 (+197)
24M → 40K
7:08 | 8:21/mi
25.2M
3:37:49
Rank: #17538 (+45)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:45:36
Rank: #17291 (+247)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:06
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:56:30
Pace8:53 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4425:318:1325:31
8:13
-
10K
6.21 mi11:50:2051:078:1425:36
8:14
+0:01
15K
9.32 mi12:16:051:16:528:1525:45
8:17
+0:03
20K
12.43 mi12:42:341:43:218:1926:29
8:31
+0:14
Half
13.11 mi12:48:191:49:068:195:45
8:26
-0:05
25K
15.53 mi13:09:142:10:018:2220:55
8:38
+0:12
30K
18.64 mi13:38:142:39:018:3229:00
9:20
+0:42
20M
20.00 mi13:50:472:51:348:3512:33
9:14
-0:06
21M
21.00 mi14:00:303:01:178:389:43
9:43
+0:29
35K
21.75 mi14:06:593:07:468:386:29
8:40
-1:03
23M
23.00 mi14:18:053:18:528:3911:06
8:52
+0:12
24M
24.00 mi14:26:373:27:248:398:32
8:32
-0:20
40K
24.85 mi14:33:453:34:328:387:08
8:21
-0:11
25.2M
25.20 mi14:37:023:37:498:393:17
9:31
+1:10
Finish
26.22 mi14:44:493:45:368:377:47
7:38
-1:53

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

7:38 /mi

Average Pace

8:37 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:54

26% of race

Time at Steady Pace

1:41:03

45% of race

Time at Slower Pace

1:05:39

29% of race

Average Pace: 8:36 /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 mi11:24:4425:318:1325:31
8:13
#18209
10K
6.21 mi11:50:2051:078:1425:36
8:14
#18155
15K
9.32 mi12:16:051:16:528:1525:45
8:17
#18084
20K
12.43 mi12:42:341:43:218:1926:29
8:31
#18102
Half
13.11 mi12:48:191:49:068:195:45
8:26
#18115
25K
15.53 mi13:09:142:10:018:2220:55
8:38
#18058
30K
18.64 mi13:38:142:39:018:3229:00
9:20
#18326
20M
20.00 mi13:50:472:51:348:3512:33
9:14
#18289
21M
21.00 mi14:00:303:01:178:389:43
9:43
#18205
35K
21.75 mi14:06:593:07:468:386:29
8:40
#18131
23M
23.00 mi14:18:053:18:528:3911:06
8:52
#17956
24M
24.00 mi14:26:373:27:248:398:32
8:32
#17780
40K
24.85 mi14:33:453:34:328:387:08
8:21
#17583
25.2M
25.20 mi14:37:023:37:498:393:17
9:31
#17538
Finish
26.22 mi14:44:493:45:368:377:47
7:38
#17291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182096467646717977(Top 63%)6304(Top 52%)6304(Top 115%)
10K6.21 mi3.10 mi18155+546424+436424+4318175(Top 64%)6404(Top 52%)6404(Top 117%)
15K9.32 mi3.11 mi18084+716379+456379+4517977(Top 63%)6304(Top 52%)6304(Top 115%)
20K12.43 mi3.11 mi18102-186398-196398-1918407(Top 65%)6570(Top 54%)6570(Top 120%)
Half13.11 mi0.68 mi18115-136408-106408-1018756(Top 66%)6750(Top 55%)6750(Top 123%)
25K15.53 mi2.42 mi18058+576395+136395+1317967(Top 63%)6408(Top 52%)6408(Top 117%)
30K18.64 mi3.11 mi18326-2686570-1756570-17519268(Top 68%)7264(Top 59%)7264(Top 133%)
20M20.00 mi1.36 mi18289+376576-66576-617964(Top 63%)6693(Top 55%)6693(Top 122%)
21M21.00 mi1.00 mi18205+846553+236553+2317131(Top 60%)6329(Top 52%)6329(Top 116%)
35K21.75 mi0.75 mi18131+746528+256528+2516515(Top 58%)6074(Top 50%)6074(Top 111%)
23M23.00 mi1.25 mi17956+1756472+566472+5615512(Top 55%)5614(Top 46%)5614(Top 103%)
24M24.00 mi1.00 mi17780+1766413+596413+5914768(Top 52%)5256(Top 43%)5256(Top 96%)
40K24.85 mi0.85 mi17583+1976321+926321+9212479(Top 44%)4188(Top 34%)4188(Top 77%)
25.2M25.20 mi0.35 mi17538+456313+86313+814776(Top 52%)5446(Top 45%)5446(Top 100%)
Finish26.22 mi1.02 mi17291+2476184+1296184+12910275(Top 36%)3135(Top 26%)3135(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17977

Females

6304

F18-39

6304

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18175

Females

6404

F18-39

6404

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17977

Females

6304

F18-39

6304

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18407

Females

6570

F18-39

6570

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18756

Females

6750

F18-39

6750

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17967

Females

6408

F18-39

6408

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19268

Females

7264

F18-39

7264

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17964

Females

6693

F18-39

6693

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17131

Females

6329

F18-39

6329

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16515

Females

6074

F18-39

6074

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15512

Females

5614

F18-39

5614

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14768

Females

5256

F18-39

5256

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12479

Females

4188

F18-39

4188

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14776

Females

5446

F18-39

5446

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10275

Females

3135

F18-39

3135

Passing Analysis

Category:
Athletes Passed
2350
Passed By
1432
Net Change
+918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18209
5K → 10K301247+54#18209#18155
10K → 15K223152+71#18155#18084
15K → 20K182200-18#18084#18102
20K → Half3144-13#18102#18115
Half → 25K193136+57#18115#18058
25K → 30K158426-268#18058#18326
30K → 20M138101+37#18326#18289
20M → 21M13955+84#18289#18205
21M → 35K9117+74#18205#18131
35K → 23M20530+175#18131#17956
23M → 24M1848+176#17956#17780
24M → 40K2014+197#17780#17583
40K → 25.2M549+45#17583#17538
25.2M → Finish2503+247#17538#17291
TOTALS23501432+918
📊

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