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BOSTON MARATHON 2025

Amy Thackeray

Bib: 19686•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:24
Rank: #17924
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
54:41
Rank: #21445 (-3521)
5K → 10K
29:17 | 9:26/mi
15K· 9.32 mi
1:23:17
Rank: #21994 (-549)
10K → 15K
28:36 | 9:12/mi
20K· 12.43 mi
1:55:53
Rank: #23208 (-1214)
15K → 20K
32:36 | 10:30/mi
Half· 13.11 mi
2:02:57
Rank: #23367 (-159)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:30:29
Rank: #23949 (-582)
Half → 25K
27:32 | 11:21/mi
30K· 18.64 mi
3:10:31
Rank: #24694 (-745)
25K → 30K
40:02 | 12:53/mi
20M
3:31:21
Rank: #25193 (-499)
30K → 20M
20:50 | 15:20/mi
21M
3:43:29
Rank: #25133 (+60)
20M → 21M
12:08 | 12:08/mi
35K· 21.75 mi
3:52:04
Rank: #25133
21M → 35K
8:35 | 11:28/mi
23M
4:13:14
Rank: #25601 (-468)
35K → 23M
21:10 | 16:54/mi
24M
4:25:00
Rank: #25607 (-6)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
4:34:25
Rank: #25515 (+92)
24M → 40K
9:25 | 11:01/mi
25.2M
4:41:14
Rank: #25685 (-170)
40K → 25.2M
6:49 | 19:46/mi
Finish· 26.22 mi
4:52:03
Rank: #25653 (+32)
25.2M → Finish
10:49 | 10:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:57
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:49:06
Pace12:54 /mi
📊Positive Split: 37.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5525:248:1125:24
8:11
-
10K
6.21 mi11:46:1254:418:4829:17
9:26
+1:15
15K
9.32 mi12:14:481:23:178:5628:36
9:12
-0:14
20K
12.43 mi12:47:241:55:539:1932:36
10:30
+1:18
Half
13.11 mi12:54:282:02:579:237:04
10:21
-0:09
25K
15.53 mi13:22:002:30:299:4127:32
11:21
+1:00
30K
18.64 mi14:02:023:10:3110:1340:02
12:53
+1:32
20M
20.00 mi14:22:523:31:2110:3420:50
15:20
+2:27
21M
21.00 mi14:35:003:43:2910:3912:08
12:08
-3:12
35K
21.75 mi14:43:353:52:0410:408:35
11:28
-0:40
23M
23.00 mi15:04:454:13:1411:0121:10
16:54
+5:26
24M
24.00 mi15:16:314:25:0011:0311:46
11:46
-5:08
40K
24.85 mi15:25:564:34:2511:029:25
11:01
-0:45
25.2M
25.20 mi15:32:454:41:1411:106:49
19:46
+8:45
Finish
26.22 mi15:43:344:52:0311:0910:49
10:37
-9:09

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

8:11 /mi

Average Pace

11:09 /mi

Slowest Pace

19:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:17

29% of race

Time at Steady Pace

1:59:55

41% of race

Time at Slower Pace

1:28:51

30% of race

Average Pace: 11:08 /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 mi11:16:5525:248:1125:24
8:11
#17924
10K
6.21 mi11:46:1254:418:4829:17
9:26
#21445
15K
9.32 mi12:14:481:23:178:5628:36
9:12
#21994
20K
12.43 mi12:47:241:55:539:1932:36
10:30
#23208
Half
13.11 mi12:54:282:02:579:237:04
10:21
#23367
25K
15.53 mi13:22:002:30:299:4127:32
11:21
#23949
30K
18.64 mi14:02:023:10:3110:1340:02
12:53
#24694
20M
20.00 mi14:22:523:31:2110:3420:50
15:20
#25193
21M
21.00 mi14:35:003:43:2910:3912:08
12:08
#25133
35K
21.75 mi14:43:353:52:0410:408:35
11:28
#25133
23M
23.00 mi15:04:454:13:1411:0121:10
16:54
#25601
24M
24.00 mi15:16:314:25:0011:0311:46
11:46
#25607
40K
24.85 mi15:25:564:34:2511:029:25
11:01
#25515
25.2M
25.20 mi15:32:454:41:1411:106:49
19:46
#25685
Finish
26.22 mi15:43:344:52:0311:0910:49
10:37
#25653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi179246300630022871(Top 81%)9033(Top 74%)9033(Top 498%)
10K6.21 mi3.10 mi21445-35218307-20078307-200723896(Top 84%)9623(Top 79%)9623(Top 531%)
15K9.32 mi3.11 mi21994-5498602-2958602-29522871(Top 81%)9033(Top 74%)9033(Top 498%)
20K12.43 mi3.11 mi23208-12149236-6349236-63425182(Top 89%)10365(Top 85%)10365(Top 572%)
Half13.11 mi0.68 mi23367-1599324-889324-8825530(Top 90%)10566(Top 86%)10566(Top 583%)
25K15.53 mi2.42 mi23949-5829672-3489672-34825684(Top 90%)10682(Top 87%)10682(Top 589%)
30K18.64 mi3.11 mi24694-74510111-43910111-43926559(Top 94%)11255(Top 92%)11255(Top 621%)
20M20.00 mi1.36 mi25193-49910407-29610407-29627987(Top 99%)12047(Top 99%)12047(Top 664%)
21M21.00 mi1.00 mi25133+6010383+2410383+2423811(Top 84%)9931(Top 81%)9931(Top 548%)
35K21.75 mi0.75 mi2513310394-1110394-1125035(Top 88%)10604(Top 87%)10604(Top 585%)
23M23.00 mi1.25 mi25601-46810658-26410658-26428266(Top 100%)12185(Top 100%)12185(Top 672%)
24M24.00 mi1.00 mi25607-610677-1910677-1925347(Top 89%)10800(Top 88%)10800(Top 596%)
40K24.85 mi0.85 mi25515+9210638+3910638+3923162(Top 82%)9792(Top 80%)9792(Top 540%)
25.2M25.20 mi0.35 mi25685-17010732-9410732-9428346(Top 100%)12211(Top 100%)12211(Top 674%)
Finish26.22 mi1.02 mi25653+3210723+910723+924515(Top 86%)10416(Top 85%)10416(Top 575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22871

Females

9033

F45-49

9033

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23896

Females

9623

F45-49

9623

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22871

Females

9033

F45-49

9033

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25182

Females

10365

F45-49

10365

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25530

Females

10566

F45-49

10566

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25684

Females

10682

F45-49

10682

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26559

Females

11255

F45-49

11255

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

27987

Females

12047

F45-49

12047

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23811

Females

9931

F45-49

9931

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25035

Females

10604

F45-49

10604

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

28266

Females

12185

F45-49

12185

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25347

Females

10800

F45-49

10800

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23162

Females

9792

F45-49

9792

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28346

Females

12211

F45-49

12211

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24515

Females

10416

F45-49

10416

Passing Analysis

Category:
Athletes Passed
436
Passed By
8165
Net Change
-7729
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17924
5K → 10K33524-3521#17924#21445
10K → 15K74623-549#21445#21994
15K → 20K221236-1214#21994#23208
20K → Half8167-159#23208#23367
Half → 25K22604-582#23367#23949
25K → 30K20765-745#23949#24694
30K → 20M4503-499#24694#25193
20M → 21M8222+60#25193#25133
21M → 35K28280#25133#25133
35K → 23M0468-468#25133#25601
23M → 24M3137-6#25601#25607
24M → 40K942+92#25607#25515
40K → 25.2M0170-170#25515#25685
25.2M → Finish4816+32#25685#25653
TOTALS4368165-7729
📊

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