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BOSTON MARATHON 2025

Shannon Sloane

Bib: 11987•F

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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:59
Rank: #8438
Start → 5K
21:59 | 7:05/mi
10K· 6.21 mi
43:37
Rank: #8012 (+426)
5K → 10K
21:38 | 6:58/mi
15K· 9.32 mi
1:05:29
Rank: #7948 (+64)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:28:14
Rank: #8184 (-236)
15K → 20K
22:45 | 7:19/mi
Half· 13.11 mi
1:33:09
Rank: #8212 (-28)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:51:16
Rank: #8380 (-168)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:15:12
Rank: #8452 (-72)
25K → 30K
23:56 | 7:42/mi
20M
2:25:52
Rank: #8483 (-31)
30K → 20M
10:40 | 7:51/mi
21M
2:34:30
Rank: #8617 (-134)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:40:17
Rank: #8650 (-33)
21M → 35K
5:47 | 7:44/mi
23M
2:50:28
Rank: #8754 (-104)
35K → 23M
10:11 | 8:08/mi
24M
2:58:20
Rank: #8802 (-48)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:05:01
Rank: #8755 (+47)
24M → 40K
6:41 | 7:49/mi
25.2M
3:08:01
Rank: #8756 (-1)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:15:36
Rank: #8754 (+2)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:09
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:42:27
Pace7:49 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3621:597:0521:59
7:05
-
10K
6.21 mi11:11:1443:377:0121:38
6:58
-0:07
15K
9.32 mi11:33:061:05:297:0221:52
7:02
+0:04
20K
12.43 mi11:55:511:28:147:0622:45
7:19
+0:17
Half
13.11 mi12:00:461:33:097:064:55
7:12
-0:07
25K
15.53 mi12:18:531:51:167:1018:07
7:28
+0:16
30K
18.64 mi12:42:492:15:127:1523:56
7:42
+0:14
20M
20.00 mi12:53:292:25:527:1810:40
7:51
+0:09
21M
21.00 mi13:02:072:34:307:218:38
8:38
+0:47
35K
21.75 mi13:07:542:40:177:225:47
7:44
-0:54
23M
23.00 mi13:18:052:50:287:2510:11
8:08
+0:24
24M
24.00 mi13:25:572:58:207:267:52
7:52
-0:16
40K
24.85 mi13:32:383:05:017:276:41
7:49
-0:03
25.2M
25.20 mi13:35:383:08:017:283:00
8:42
+0:53
Finish
26.22 mi13:43:133:15:367:287:35
7:26
-1:16

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

6:58 /mi

Average Pace

7:28 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:44

51% of race

Time at Steady Pace

1:13:03

37% of race

Time at Slower Pace

21:49

11% of race

Average Pace: 7:28 /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 mi10:49:3621:597:0521:59
7:05
#8438
10K
6.21 mi11:11:1443:377:0121:38
6:58
#8012
15K
9.32 mi11:33:061:05:297:0221:52
7:02
#7948
20K
12.43 mi11:55:511:28:147:0622:45
7:19
#8184
Half
13.11 mi12:00:461:33:097:064:55
7:12
#8212
25K
15.53 mi12:18:531:51:167:1018:07
7:28
#8380
30K
18.64 mi12:42:492:15:127:1523:56
7:42
#8452
20M
20.00 mi12:53:292:25:527:1810:40
7:51
#8483
21M
21.00 mi13:02:072:34:307:218:38
8:38
#8617
35K
21.75 mi13:07:542:40:177:225:47
7:44
#8650
23M
23.00 mi13:18:052:50:287:2510:11
8:08
#8754
24M
24.00 mi13:25:572:58:207:267:52
7:52
#8802
40K
24.85 mi13:32:383:05:017:276:41
7:49
#8755
25.2M
25.20 mi13:35:383:08:017:283:00
8:42
#8756
Finish
26.22 mi13:43:133:15:367:287:35
7:26
#8754
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8438114411447896(Top 28%)998(Top 8%)998(Top 18%)
10K6.21 mi3.10 mi8012+426998+146998+1467695(Top 27%)904(Top 7%)904(Top 17%)
15K9.32 mi3.11 mi7948+64980+18980+187896(Top 28%)998(Top 8%)998(Top 18%)
20K12.43 mi3.11 mi8184-2361095-1151095-1159239(Top 33%)1626(Top 13%)1626(Top 30%)
Half13.11 mi0.68 mi8212-281113-181113-189202(Top 32%)1587(Top 13%)1587(Top 29%)
25K15.53 mi2.42 mi8380-1681195-821195-829735(Top 34%)1984(Top 16%)1984(Top 36%)
30K18.64 mi3.11 mi8452-721282-871282-879225(Top 32%)1931(Top 16%)1931(Top 35%)
20M20.00 mi1.36 mi8483-311323-411323-419376(Top 33%)2155(Top 18%)2155(Top 39%)
21M21.00 mi1.00 mi8617-1341415-921415-9211288(Top 40%)3230(Top 26%)3230(Top 59%)
35K21.75 mi0.75 mi8650-331451-361451-3610315(Top 36%)2740(Top 22%)2740(Top 50%)
23M23.00 mi1.25 mi8754-1041534-831534-8310954(Top 39%)3200(Top 26%)3200(Top 59%)
24M24.00 mi1.00 mi8802-481593-591593-5910331(Top 36%)2953(Top 24%)2953(Top 54%)
40K24.85 mi0.85 mi8755+471617-241617-248904(Top 31%)2401(Top 20%)2401(Top 44%)
25.2M25.20 mi0.35 mi8756-11629-121629-1210024(Top 35%)3011(Top 25%)3011(Top 55%)
Finish26.22 mi1.02 mi8754+21657-281657-288791(Top 31%)2429(Top 20%)2429(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7896

Females

998

F18-39

998

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7695

Females

904

F18-39

904

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7896

Females

998

F18-39

998

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9239

Females

1626

F18-39

1626

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9202

Females

1587

F18-39

1587

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9735

Females

1984

F18-39

1984

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9225

Females

1931

F18-39

1931

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9376

Females

2155

F18-39

2155

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11288

Females

3230

F18-39

3230

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10315

Females

2740

F18-39

2740

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10954

Females

3200

F18-39

3200

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10331

Females

2953

F18-39

2953

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8904

Females

2401

F18-39

2401

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10024

Females

3011

F18-39

3011

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8791

Females

2429

F18-39

2429

Passing Analysis

Category:
Athletes Passed
1597
Passed By
1913
Net Change
-316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8438
5K → 10K49973+426#8438#8012
10K → 15K172108+64#8012#7948
15K → 20K80316-236#7948#8184
20K → Half1442-28#8184#8212
Half → 25K83251-168#8212#8380
25K → 30K186258-72#8380#8452
30K → 20M88119-31#8452#8483
20M → 21M54188-134#8483#8617
21M → 35K5184-33#8617#8650
35K → 23M90194-104#8650#8754
23M → 24M64112-48#8754#8802
24M → 40K10154+47#8802#8755
40K → 25.2M3738-1#8755#8756
25.2M → Finish7876+2#8756#8754
TOTALS15971913-316
📊

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