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BOSTON MARATHON 2025

Amanda Tilden

Bib: 31477•F

MA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:42/mi
33:14
↑ 97↓ 3451.5%
10K· 6.21 mi
10:54/mi
1:07:06
↑ 79↓ 1380.4%
15K· 9.32 mi
10:46/mi
1:40:34
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:14:10
↑ 106↓ 860.1%
Half· 13.11 mi
11:04/mi
2:21:43
↑ 19↓ 370.5%
25K· 15.53 mi
11:32/mi
2:49:40
↑ 66↓ 880.2%
30K· 18.64 mi
12:36/mi
3:28:50
↑ 181↓ 1480.2%
20M
12:53/mi
3:46:20
↑ 64↓ 500.2%
21M
13:25/mi
3:59:45
↑ 106↓ 241.6%
35K· 21.75 mi
13:10/mi
4:09:36
↑ 17↓ 861.7%
23M
13:35/mi
4:26:36
↑ 23↓ 630.6%
24M
13:55/mi
4:40:31
↓ 821.3%
40K· 24.85 mi
13:52/mi
4:52:22
↓ 200.3%
25.2M
15:31/mi
4:57:43
↑ 13↓ 160.2%
Finish· 26.22 mi
11:40/mi
5:09:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:43
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:47:53
Pace12:48 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3333:1410:4233:14
10:42
-
10K
6.21 mi12:30:251:07:0610:4833:52
10:54
+0:12
15K
9.32 mi13:03:531:40:3410:4733:28
10:46
-0:08
20K
12.43 mi13:37:292:14:1010:4833:36
10:49
+0:03
Half
13.11 mi13:45:022:21:4310:497:33
11:04
+0:15
25K
15.53 mi14:12:592:49:4010:5527:57
11:32
+0:28
30K
18.64 mi14:52:093:28:5011:1239:10
12:36
+1:04
20M
20.00 mi15:09:393:46:2011:1917:30
12:53
+0:17
21M
21.00 mi15:23:043:59:4511:2513:25
13:25
+0:32
35K
21.75 mi15:32:554:09:3611:299:51
13:10
-0:15
23M
23.00 mi15:49:554:26:3611:3517:00
13:35
+0:25
24M
24.00 mi16:03:504:40:3111:4113:55
13:55
+0:20
40K
24.85 mi16:15:414:52:2211:4611:51
13:52
-0:03
25.2M
25.20 mi16:21:024:57:4311:495:21
15:31
+1:39
Finish
26.22 mi16:32:555:09:3611:4911:53
11:40
-3:51

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

10:42 /mi

Average Pace

11:49 /mi

Slowest Pace

15:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:33

59% of race

Time at Steady Pace

1:06:31

21% of race

Time at Slower Pace

1:01:32

20% of race

Average Pace: 11:48 /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 mi11:56:3333:1410:4233:14
10:42
#27112
10K
6.21 mi12:30:251:07:0610:4833:52
10:54
#27020
15K
9.32 mi13:03:531:40:3410:4733:28
10:46
#26772
20K
12.43 mi13:37:292:14:1010:4833:36
10:49
#26479
Half
13.11 mi13:45:022:21:4310:497:33
11:04
#26487
25K
15.53 mi14:12:592:49:4010:5527:57
11:32
#26379
30K
18.64 mi14:52:093:28:5011:1239:10
12:36
#26388
20M
20.00 mi15:09:393:46:2011:1917:30
12:53
#26405
21M
21.00 mi15:23:043:59:4511:2513:25
13:25
#26364
35K
21.75 mi15:32:554:09:3611:299:51
13:10
#26401
23M
23.00 mi15:49:554:26:3611:3517:00
13:35
#26452
24M
24.00 mi16:03:504:40:3111:4113:55
13:55
#26550
40K
24.85 mi16:15:414:52:2211:4611:51
13:52
#26604
25.2M
25.20 mi16:21:024:57:4311:495:21
15:31
#26623
Finish
26.22 mi16:32:555:09:3611:4911:53
11:40
#26629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27112113931139326357(Top 93%)10980(Top 90%)10980(Top 201%)
10K6.21 mi3.10 mi27020+9211356+3711356+3726922(Top 95%)11320(Top 93%)11320(Top 207%)
15K9.32 mi3.11 mi26772+24811219+13711219+13726357(Top 93%)10980(Top 90%)10980(Top 201%)
20K12.43 mi3.11 mi26479+29311055+16411055+16425735(Top 91%)10663(Top 87%)10663(Top 195%)
Half13.11 mi0.68 mi26487-811060-511060-526575(Top 94%)11166(Top 91%)11166(Top 204%)
25K15.53 mi2.42 mi26379+10811001+5911001+5925897(Top 91%)10804(Top 88%)10804(Top 198%)
30K18.64 mi3.11 mi26388-911035-3411035-3426274(Top 93%)11109(Top 91%)11109(Top 203%)
20M20.00 mi1.36 mi26405-1711061-2611061-2626321(Top 93%)11178(Top 91%)11178(Top 204%)
21M21.00 mi1.00 mi26364+4111053+811053+825568(Top 90%)10843(Top 89%)10843(Top 198%)
35K21.75 mi0.75 mi26401-3711082-2911082-2927102(Top 95%)11640(Top 95%)11640(Top 213%)
23M23.00 mi1.25 mi26452-5111117-3511117-3526942(Top 95%)11577(Top 95%)11577(Top 212%)
24M24.00 mi1.00 mi26550-9811186-6911186-6927593(Top 97%)11932(Top 98%)11932(Top 218%)
40K24.85 mi0.85 mi26604-5411221-3511221-3527054(Top 95%)11671(Top 95%)11671(Top 213%)
25.2M25.20 mi0.35 mi26623-1911234-1311234-1327452(Top 97%)11870(Top 97%)11870(Top 217%)
Finish26.22 mi1.02 mi26629-611248-1411248-1426368(Top 93%)11325(Top 93%)11325(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26357

Females

10980

F18-39

10980

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26922

Females

11320

F18-39

11320

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26357

Females

10980

F18-39

10980

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25735

Females

10663

F18-39

10663

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26575

Females

11166

F18-39

11166

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25897

Females

10804

F18-39

10804

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26274

Females

11109

F18-39

11109

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26321

Females

11178

F18-39

11178

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25568

Females

10843

F18-39

10843

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27102

Females

11640

F18-39

11640

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26942

Females

11577

F18-39

11577

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27593

Females

11932

F18-39

11932

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27054

Females

11671

F18-39

11671

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27452

Females

11870

F18-39

11870

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26368

Females

11325

F18-39

11325

Passing Analysis

Category:
Athletes Passed
1199
Passed By
716
Net Change
+483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27112
5K → 10K197105+92#27112#27020
10K → 15K26315+248#27020#26772
15K → 20K30714+293#26772#26479
20K → Half1624-8#26479#26487
Half → 25K14133+108#26487#26379
25K → 30K95104-9#26379#26388
30K → 20M4663-17#26388#26405
20M → 21M6726+41#26405#26364
21M → 35K1754-37#26364#26401
35K → 23M1970-51#26401#26452
23M → 24M8106-98#26452#26550
24M → 40K660-54#26550#26604
40K → 25.2M423-19#26604#26623
25.2M → Finish1319-6#26623#26629
TOTALS1199716+483
📊

Passing Visuals

Category:
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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