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BOSTON MARATHON 2025

Amy Clark

Bib: 7640•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #6263
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:15
Rank: #6300 (-37)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:30
Rank: #6328 (-28)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:51
Rank: #6210 (+118)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:29:33
Rank: #6245 (-35)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:46:19
Rank: #6115 (+130)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:08:27
Rank: #5901 (+214)
25K → 30K
22:08 | 7:07/mi
20M
2:18:13
Rank: #5808 (+93)
30K → 20M
9:46 | 7:11/mi
21M
2:25:43
Rank: #5690 (+118)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:30:36
Rank: #5569 (+121)
21M → 35K
4:53 | 6:32/mi
23M
2:39:23
Rank: #5386 (+183)
35K → 23M
8:47 | 7:01/mi
24M
2:46:27
Rank: #5332 (+54)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:52:59
Rank: #5349 (-17)
24M → 40K
6:32 | 7:38/mi
25.2M
2:55:46
Rank: #5327 (+22)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:02:56
Rank: #5302 (+25)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:33:23
Pace7:07 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5021:066:4721:06
6:47
-
10K
6.21 mi10:49:5942:156:4821:09
6:48
+0:01
15K
9.32 mi11:11:141:03:306:4921:15
6:50
+0:02
20K
12.43 mi11:32:351:24:516:5021:21
6:52
+0:02
Half
13.11 mi11:37:171:29:336:504:42
6:53
+0:01
25K
15.53 mi11:54:031:46:196:5116:46
6:55
+0:02
30K
18.64 mi12:16:112:08:276:5322:08
7:07
+0:12
20M
20.00 mi12:25:572:18:136:559:46
7:11
+0:04
21M
21.00 mi12:33:272:25:436:567:30
7:30
+0:19
35K
21.75 mi12:38:202:30:366:554:53
6:32
-0:58
23M
23.00 mi12:47:072:39:236:568:47
7:01
+0:29
24M
24.00 mi12:54:112:46:276:567:04
7:04
+0:03
40K
24.85 mi13:00:432:52:596:586:32
7:38
+0:34
25.2M
25.20 mi13:03:302:55:466:582:47
8:04
+0:26
Finish
26.22 mi13:10:403:02:566:597:10
7:02
-1:02

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

6:32 /mi

Average Pace

6:59 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:08

26% of race

Time at Steady Pace

1:58:59

65% of race

Time at Slower Pace

16:49

9% of race

Average Pace: 6:59 /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 mi10:28:5021:066:4721:06
6:47
#6263
10K
6.21 mi10:49:5942:156:4821:09
6:48
#6300
15K
9.32 mi11:11:141:03:306:4921:15
6:50
#6328
20K
12.43 mi11:32:351:24:516:5021:21
6:52
#6210
Half
13.11 mi11:37:171:29:336:504:42
6:53
#6245
25K
15.53 mi11:54:031:46:196:5116:46
6:55
#6115
30K
18.64 mi12:16:112:08:276:5322:08
7:07
#5901
20M
20.00 mi12:25:572:18:136:559:46
7:11
#5808
21M
21.00 mi12:33:272:25:436:567:30
7:30
#5690
35K
21.75 mi12:38:202:30:366:554:53
6:32
#5569
23M
23.00 mi12:47:072:39:236:568:47
7:01
#5386
24M
24.00 mi12:54:112:46:276:567:04
7:04
#5332
40K
24.85 mi13:00:432:52:596:586:32
7:38
#5349
25.2M
25.20 mi13:03:302:55:466:582:47
8:04
#5327
Finish
26.22 mi13:10:403:02:566:597:10
7:02
#5302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62635235236491(Top 23%)615(Top 5%)615(Top 11%)
10K6.21 mi3.10 mi6300-37522+1522+16488(Top 23%)603(Top 5%)603(Top 11%)
15K9.32 mi3.11 mi6328-28545-23545-236491(Top 23%)615(Top 5%)615(Top 11%)
20K12.43 mi3.11 mi6210+1185455455994(Top 21%)549(Top 4%)549(Top 10%)
Half13.11 mi0.68 mi6245-35560-15560-156866(Top 24%)724(Top 6%)724(Top 13%)
25K15.53 mi2.42 mi6115+130552+8552+85791(Top 20%)547(Top 4%)547(Top 10%)
30K18.64 mi3.11 mi5901+214524+28524+285461(Top 19%)542(Top 4%)542(Top 10%)
20M20.00 mi1.36 mi5808+93522+2522+25155(Top 18%)547(Top 4%)547(Top 10%)
21M21.00 mi1.00 mi5690+118503+19503+194636(Top 16%)519(Top 4%)519(Top 9%)
35K21.75 mi0.75 mi5569+121490+13490+132665(Top 9%)190(Top 2%)190(Top 3%)
23M23.00 mi1.25 mi5386+183468+22468+223885(Top 14%)390(Top 3%)390(Top 7%)
24M24.00 mi1.00 mi5332+54467+1467+15050(Top 18%)734(Top 6%)734(Top 13%)
40K24.85 mi0.85 mi5349-17486-19486-197715(Top 27%)1841(Top 15%)1841(Top 34%)
25.2M25.20 mi0.35 mi5327+22490-4490-46351(Top 22%)1354(Top 11%)1354(Top 25%)
Finish26.22 mi1.02 mi5302+25499-9499-95962(Top 21%)1225(Top 10%)1225(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6491

Females

615

F18-39

615

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6488

Females

603

F18-39

603

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6491

Females

615

F18-39

615

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5994

Females

549

F18-39

549

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6866

Females

724

F18-39

724

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5791

Females

547

F18-39

547

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5461

Females

542

F18-39

542

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5155

Females

547

F18-39

547

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4636

Females

519

F18-39

519

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2665

Females

190

F18-39

190

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3885

Females

390

F18-39

390

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5050

Females

734

F18-39

734

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7715

Females

1841

F18-39

1841

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6351

Females

1354

F18-39

1354

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5962

Females

1225

F18-39

1225

Passing Analysis

Category:
Athletes Passed
1775
Passed By
814
Net Change
+961
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6263
5K → 10K177214-37#6263#6300
10K → 15K131159-28#6300#6328
15K → 20K20183+118#6328#6210
20K → Half2055-35#6210#6245
Half → 25K17949+130#6245#6115
25K → 30K29076+214#6115#5901
30K → 20M12027+93#5901#5808
20M → 21M13012+118#5808#5690
21M → 35K1221+121#5690#5569
35K → 23M1929+183#5569#5386
23M → 24M7925+54#5386#5332
24M → 40K4562-17#5332#5349
40K → 25.2M297+22#5349#5327
25.2M → Finish6035+25#5327#5302
TOTALS1775814+961
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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