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BOSTON MARATHON 2025

Sloane Tilley

Bib: 12142•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #8182
Start → 5K
21:53 | 7:03/mi
10K· 6.21 mi
43:37
Rank: #8014 (+168)
5K → 10K
21:44 | 7:00/mi
15K· 9.32 mi
1:05:35
Rank: #8022 (-8)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:27:50
Rank: #7949 (+73)
15K → 20K
22:15 | 7:10/mi
Half· 13.11 mi
1:32:41
Rank: #7962 (-13)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:50:01
Rank: #7810 (+152)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:14:11
Rank: #8011 (-201)
25K → 30K
24:10 | 7:47/mi
20M
2:25:28
Rank: #8326 (-315)
30K → 20M
11:17 | 8:18/mi
21M
2:33:35
Rank: #8251 (+75)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:39:25
Rank: #8311 (-60)
21M → 35K
5:50 | 7:48/mi
23M
2:49:26
Rank: #8355 (-44)
35K → 23M
10:01 | 8:00/mi
24M
2:58:15
Rank: #8759 (-404)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:05:12
Rank: #8822 (-63)
24M → 40K
6:57 | 8:08/mi
25.2M
3:08:11
Rank: #8819 (+3)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:16:14
Rank: #8937 (-118)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0921:537:0321:53
7:03
-
10K
6.21 mi11:11:5343:377:0121:44
7:00
-0:03
15K
9.32 mi11:33:511:05:357:0221:58
7:04
+0:04
20K
12.43 mi11:56:061:27:507:0422:15
7:10
+0:06
Half
13.11 mi12:00:571:32:417:044:51
7:07
-0:03
25K
15.53 mi12:18:171:50:017:0517:20
7:09
+0:02
30K
18.64 mi12:42:272:14:117:1224:10
7:47
+0:38
20M
20.00 mi12:53:442:25:287:1611:17
8:18
+0:31
21M
21.00 mi13:01:512:33:357:198:07
8:07
-0:11
35K
21.75 mi13:07:412:39:257:205:50
7:48
-0:19
23M
23.00 mi13:17:422:49:267:2210:01
8:00
+0:12
24M
24.00 mi13:26:312:58:157:268:49
8:49
+0:49
40K
24.85 mi13:33:283:05:127:276:57
8:08
-0:41
25.2M
25.20 mi13:36:273:08:117:282:59
8:39
+0:31
Finish
26.22 mi13:44:303:16:147:298:03
7:54
-0:45

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

7:00 /mi

Average Pace

7:29 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:01

56% of race

Time at Steady Pace

48:04

24% of race

Time at Slower Pace

38:09

19% of race

Average Pace: 7:29 /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 mi10:50:0921:537:0321:53
7:03
#8182
10K
6.21 mi11:11:5343:377:0121:44
7:00
#8014
15K
9.32 mi11:33:511:05:357:0221:58
7:04
#8022
20K
12.43 mi11:56:061:27:507:0422:15
7:10
#7949
Half
13.11 mi12:00:571:32:417:044:51
7:07
#7962
25K
15.53 mi12:18:171:50:017:0517:20
7:09
#7810
30K
18.64 mi12:42:272:14:117:1224:10
7:47
#8011
20M
20.00 mi12:53:442:25:287:1611:17
8:18
#8326
21M
21.00 mi13:01:512:33:357:198:07
8:07
#8251
35K
21.75 mi13:07:412:39:257:205:50
7:48
#8311
23M
23.00 mi13:17:422:49:267:2210:01
8:00
#8355
24M
24.00 mi13:26:312:58:157:268:49
8:49
#8759
40K
24.85 mi13:33:283:05:127:276:57
8:08
#8822
25.2M
25.20 mi13:36:273:08:117:282:59
8:39
#8819
Finish
26.22 mi13:44:303:16:147:298:03
7:54
#8937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8182105010508140(Top 29%)1092(Top 9%)1092(Top 20%)
10K6.21 mi3.10 mi8014+1681000+501000+507905(Top 28%)972(Top 8%)972(Top 18%)
15K9.32 mi3.11 mi8022-81010-101010-108140(Top 29%)1092(Top 9%)1092(Top 20%)
20K12.43 mi3.11 mi7949+731008+21008+27920(Top 28%)1082(Top 9%)1082(Top 20%)
Half13.11 mi0.68 mi7962-131014-61014-68441(Top 30%)1279(Top 10%)1279(Top 23%)
25K15.53 mi2.42 mi7810+152978+36978+367289(Top 26%)964(Top 8%)964(Top 18%)
30K18.64 mi3.11 mi8011-2011117-1391117-1399771(Top 34%)2173(Top 18%)2173(Top 40%)
20M20.00 mi1.36 mi8326-3151260-1431260-14312507(Top 44%)3690(Top 30%)3690(Top 67%)
21M21.00 mi1.00 mi8251+751266-61266-68080(Top 28%)1762(Top 14%)1762(Top 32%)
35K21.75 mi0.75 mi8311-601314-481314-4810810(Top 38%)2993(Top 24%)2993(Top 55%)
23M23.00 mi1.25 mi8355-441376-621376-6210037(Top 35%)2749(Top 22%)2749(Top 50%)
24M24.00 mi1.00 mi8759-4041576-2001576-20016411(Top 58%)6147(Top 50%)6147(Top 112%)
40K24.85 mi0.85 mi8822-631643-671643-6711093(Top 39%)3438(Top 28%)3438(Top 63%)
25.2M25.20 mi0.35 mi8819+31655-121655-129739(Top 34%)2865(Top 23%)2865(Top 52%)
Finish26.22 mi1.02 mi8937-1181741-861741-8612169(Top 43%)4006(Top 33%)4006(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8140

Females

1092

F18-39

1092

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7905

Females

972

F18-39

972

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8140

Females

1092

F18-39

1092

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7920

Females

1082

F18-39

1082

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8441

Females

1279

F18-39

1279

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7289

Females

964

F18-39

964

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9771

Females

2173

F18-39

2173

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12507

Females

3690

F18-39

3690

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8080

Females

1762

F18-39

1762

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10810

Females

2993

F18-39

2993

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

10037

Females

2749

F18-39

2749

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16411

Females

6147

F18-39

6147

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11093

Females

3438

F18-39

3438

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9739

Females

2865

F18-39

2865

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12169

Females

4006

F18-39

4006

Passing Analysis

Category:
Athletes Passed
1429
Passed By
2184
Net Change
-755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8182
5K → 10K308140+168#8182#8014
10K → 15K139147-8#8014#8022
15K → 20K177104+73#8022#7949
20K → Half1932-13#7949#7962
Half → 25K19644+152#7962#7810
25K → 30K131332-201#7810#8011
30K → 20M37352-315#8011#8326
20M → 21M12449+75#8326#8251
21M → 35K3898-60#8251#8311
35K → 23M98142-44#8311#8355
23M → 24M16420-404#8355#8759
24M → 40K59122-63#8759#8822
40K → 25.2M3936+3#8822#8819
25.2M → Finish48166-118#8819#8937
TOTALS14292184-755
📊

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