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BOSTON MARATHON 2025

Amanda Slattery

Bib: 14543•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:23
Rank: #9514
Start → 5K
22:23 | 7:12/mi
10K· 6.21 mi
44:39
Rank: #9350 (+164)
5K → 10K
22:16 | 7:10/mi
15K· 9.32 mi
1:07:10
Rank: #9385 (-35)
10K → 15K
22:31 | 7:15/mi
20K· 12.43 mi
1:29:57
Rank: #9329 (+56)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:34:52
Rank: #9319 (+10)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:52:48
Rank: #9232 (+87)
Half → 25K
17:56 | 7:24/mi
30K· 18.64 mi
2:18:01
Rank: #9744 (-512)
25K → 30K
25:13 | 8:07/mi
20M
2:30:01
Rank: #10261 (-517)
30K → 20M
12:00 | 8:50/mi
21M
2:39:37
Rank: #10685 (-424)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
2:46:10
Rank: #10923 (-238)
21M → 35K
6:33 | 8:45/mi
23M
2:57:40
Rank: #11343 (-420)
35K → 23M
11:30 | 9:11/mi
24M
3:06:47
Rank: #11705 (-362)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:14:47
Rank: #11992 (-287)
24M → 40K
8:00 | 9:21/mi
25.2M
3:18:09
Rank: #12056 (-64)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:27:01
Rank: #12281 (-225)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:52:09
Pace8:33 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2222:237:1222:23
7:12
-
10K
6.21 mi11:15:3844:397:1122:16
7:10
-0:02
15K
9.32 mi11:38:091:07:107:1222:31
7:15
+0:05
20K
12.43 mi12:00:561:29:577:1422:47
7:20
+0:05
Half
13.11 mi12:05:511:34:527:144:55
7:12
-0:08
25K
15.53 mi12:23:471:52:487:1617:56
7:24
+0:12
30K
18.64 mi12:49:002:18:017:2425:13
8:07
+0:43
20M
20.00 mi13:01:002:30:017:3012:00
8:50
+0:43
21M
21.00 mi13:10:362:39:377:369:36
9:36
+0:46
35K
21.75 mi13:17:092:46:107:386:33
8:45
-0:51
23M
23.00 mi13:28:392:57:407:4311:30
9:11
+0:26
24M
24.00 mi13:37:463:06:477:479:07
9:07
-0:04
40K
24.85 mi13:45:463:14:477:508:00
9:21
+0:14
25.2M
25.20 mi13:49:083:18:097:523:22
9:46
+0:25
Finish
26.22 mi13:58:003:27:017:548:52
8:42
-1:04

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

7:10 /mi

Average Pace

7:54 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:01

67% of race

Time at Steady Pace

36:32

18% of race

Time at Slower Pace

32:28

16% of race

Average Pace: 7:54 /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 mi10:53:2222:237:1222:23
7:12
#9514
10K
6.21 mi11:15:3844:397:1122:16
7:10
#9350
15K
9.32 mi11:38:091:07:107:1222:31
7:15
#9385
20K
12.43 mi12:00:561:29:577:1422:47
7:20
#9329
Half
13.11 mi12:05:511:34:527:144:55
7:12
#9319
25K
15.53 mi12:23:471:52:487:1617:56
7:24
#9232
30K
18.64 mi12:49:002:18:017:2425:13
8:07
#9744
20M
20.00 mi13:01:002:30:017:3012:00
8:50
#10261
21M
21.00 mi13:10:362:39:377:369:36
9:36
#10685
35K
21.75 mi13:17:092:46:107:386:33
8:45
#10923
23M
23.00 mi13:28:392:57:407:4311:30
9:11
#11343
24M
24.00 mi13:37:463:06:477:479:07
9:07
#11705
40K
24.85 mi13:45:463:14:477:508:00
9:21
#11992
25.2M
25.20 mi13:49:083:18:097:523:22
9:46
#12056
Finish
26.22 mi13:58:003:27:017:548:52
8:42
#12281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9514159515959554(Top 34%)1682(Top 14%)1682(Top 31%)
10K6.21 mi3.10 mi9350+1641523+721523+729231(Top 32%)1480(Top 12%)1480(Top 27%)
15K9.32 mi3.11 mi9385-351553-301553-309554(Top 34%)1682(Top 14%)1682(Top 31%)
20K12.43 mi3.11 mi9329+561562-91562-99332(Top 33%)1663(Top 14%)1663(Top 30%)
Half13.11 mi0.68 mi9319+101563-11563-19239(Top 33%)1624(Top 13%)1624(Top 30%)
25K15.53 mi2.42 mi9232+871558+51558+59162(Top 32%)1718(Top 14%)1718(Top 31%)
30K18.64 mi3.11 mi9744-5121846-2881846-28812226(Top 43%)3402(Top 28%)3402(Top 62%)
20M20.00 mi1.36 mi10261-5172125-2792125-27915843(Top 56%)5490(Top 45%)5490(Top 100%)
21M21.00 mi1.00 mi10685-4242388-2632388-26316550(Top 58%)5996(Top 49%)5996(Top 110%)
35K21.75 mi0.75 mi10923-2382537-1492537-14917022(Top 60%)6343(Top 52%)6343(Top 116%)
23M23.00 mi1.25 mi11343-4202803-2662803-26617264(Top 61%)6580(Top 54%)6580(Top 120%)
24M24.00 mi1.00 mi11705-3623026-2233026-22317968(Top 63%)7015(Top 57%)7015(Top 128%)
40K24.85 mi0.85 mi11992-2873212-1863212-18618107(Top 64%)7165(Top 59%)7165(Top 131%)
25.2M25.20 mi0.35 mi12056-643256-443256-4415925(Top 56%)6030(Top 49%)6030(Top 110%)
Finish26.22 mi1.02 mi12281-2253399-1433399-14317473(Top 62%)6795(Top 56%)6795(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9554

Females

1682

F18-39

1682

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9231

Females

1480

F18-39

1480

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9554

Females

1682

F18-39

1682

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9332

Females

1663

F18-39

1663

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9239

Females

1624

F18-39

1624

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9162

Females

1718

F18-39

1718

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12226

Females

3402

F18-39

3402

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15843

Females

5490

F18-39

5490

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16550

Females

5996

F18-39

5996

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17022

Females

6343

F18-39

6343

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17264

Females

6580

F18-39

6580

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17968

Females

7015

F18-39

7015

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18107

Females

7165

F18-39

7165

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15925

Females

6030

F18-39

6030

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17473

Females

6795

F18-39

6795

Passing Analysis

Category:
Athletes Passed
1200
Passed By
3965
Net Change
-2767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9514
5K → 10K327163+164#9514#9350
10K → 15K136171-35#9350#9385
15K → 20K208152+56#9385#9329
20K → Half3222+10#9329#9319
Half → 25K190103+87#9319#9232
25K → 30K103615-512#9232#9744
30K → 20M34549-517#9744#10261
20M → 21M28452-424#10261#10685
21M → 35K18256-238#10685#10923
35K → 23M23443-420#10923#11343
23M → 24M30392-362#11343#11705
24M → 40K29316-287#11705#11992
40K → 25.2M2084-64#11992#12056
25.2M → Finish22247-225#12056#12281
TOTALS12003965-2767
📊

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