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BOSTON MARATHON 2025

Ashleigh Zimmerman

Bib: 29984•F

PA

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
33:21
Rank: #27175
Start → 5K
33:21 | 10:44/mi
10K· 6.21 mi
1:08:30
Rank: #27344 (-169)
5K → 10K
35:09 | 11:19/mi
15K· 9.32 mi
1:44:10
Rank: #27286 (+58)
10K → 15K
35:40 | 11:29/mi
20K· 12.43 mi
2:20:32
Rank: #27158 (+128)
15K → 20K
36:22 | 11:42/mi
Half· 13.11 mi
2:28:18
Rank: #27152 (+6)
20K → Half
7:46 | 11:23/mi
25K· 15.53 mi
2:57:12
Rank: #27019 (+133)
Half → 25K
28:54 | 11:55/mi
30K· 18.64 mi
3:35:37
Rank: #26862 (+157)
25K → 30K
38:25 | 12:22/mi
20M
3:52:33
Rank: #26807 (+55)
30K → 20M
16:56 | 12:28/mi
21M
4:06:46
Rank: #26801 (+6)
20M → 21M
14:13 | 14:13/mi
35K· 21.75 mi
4:15:43
Rank: #26787 (+14)
21M → 35K
8:57 | 11:58/mi
23M
4:31:36
Rank: #26746 (+41)
35K → 23M
15:53 | 12:41/mi
24M
4:44:11
Rank: #26745 (+1)
23M → 24M
12:35 | 12:35/mi
40K· 24.85 mi
4:55:26
Rank: #26745
24M → 40K
11:15 | 13:09/mi
25.2M
5:00:15
Rank: #26741 (+4)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
5:12:58
Rank: #26763 (-22)
25.2M → Finish
12:43 | 12:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:18
Pace11:19 /mi
2nd Half
Distance13.11 mi
Time2:44:40
Pace12:34 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5833:2110:4433:21
10:44
-
10K
6.21 mi12:29:071:08:3011:0135:09
11:19
+0:35
15K
9.32 mi13:04:471:44:1011:1135:40
11:29
+0:10
20K
12.43 mi13:41:092:20:3211:1836:22
11:42
+0:13
Half
13.11 mi13:48:552:28:1811:197:46
11:23
-0:19
25K
15.53 mi14:17:492:57:1211:2428:54
11:55
+0:32
30K
18.64 mi14:56:143:35:3711:3438:25
12:22
+0:27
20M
20.00 mi15:13:103:52:3311:3816:56
12:28
+0:06
21M
21.00 mi15:27:234:06:4611:4514:13
14:13
+1:45
35K
21.75 mi15:36:204:15:4311:458:57
11:58
-2:15
23M
23.00 mi15:52:134:31:3611:4915:53
12:41
+0:43
24M
24.00 mi16:04:484:44:1111:5012:35
12:35
-0:06
40K
24.85 mi16:16:034:55:2611:5311:15
13:09
+0:34
25.2M
25.20 mi16:20:525:00:1511:554:49
13:58
+0:49
Finish
26.22 mi16:33:355:12:5811:5712:43
12:29
-1:29

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

10:44 /mi

Average Pace

11:57 /mi

Slowest Pace

14:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:18

47% of race

Time at Steady Pace

2:14:23

43% of race

Time at Slower Pace

30:17

10% of race

Average Pace: 11:56 /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 mi11:53:5833:2110:4433:21
10:44
#27175
10K
6.21 mi12:29:071:08:3011:0135:09
11:19
#27344
15K
9.32 mi13:04:471:44:1011:1135:40
11:29
#27286
20K
12.43 mi13:41:092:20:3211:1836:22
11:42
#27158
Half
13.11 mi13:48:552:28:1811:197:46
11:23
#27152
25K
15.53 mi14:17:492:57:1211:2428:54
11:55
#27019
30K
18.64 mi14:56:143:35:3711:3438:25
12:22
#26862
20M
20.00 mi15:13:103:52:3311:3816:56
12:28
#26807
21M
21.00 mi15:27:234:06:4611:4514:13
14:13
#26801
35K
21.75 mi15:36:204:15:4311:458:57
11:58
#26787
23M
23.00 mi15:52:134:31:3611:4915:53
12:41
#26746
24M
24.00 mi16:04:484:44:1111:5012:35
12:35
#26745
40K
24.85 mi16:16:034:55:2611:5311:15
13:09
#26745
25.2M
25.20 mi16:20:525:00:1511:554:49
13:58
#26741
Finish
26.22 mi16:33:355:12:5811:5712:43
12:29
#26763
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi27175114331143327211(Top 96%)11496(Top 94%)11496(Top 634%)
10K6.21 mi3.10 mi27344-16911558-12511558-12527404(Top 96%)11608(Top 95%)11608(Top 640%)
15K9.32 mi3.11 mi27286+5811518+4011518+4027211(Top 96%)11496(Top 94%)11496(Top 634%)
20K12.43 mi3.11 mi27158+12811459+5911459+5926840(Top 94%)11297(Top 92%)11297(Top 623%)
Half13.11 mi0.68 mi27152+611455+411455+426951(Top 95%)11383(Top 93%)11383(Top 628%)
25K15.53 mi2.42 mi27019+13311394+6111394+6126358(Top 93%)11056(Top 90%)11056(Top 610%)
30K18.64 mi3.11 mi26862+15711318+7611318+7626019(Top 92%)10951(Top 90%)10951(Top 604%)
20M20.00 mi1.36 mi26807+5511292+2611292+2625860(Top 91%)10936(Top 89%)10936(Top 603%)
21M21.00 mi1.00 mi26801+611299-711299-726451(Top 93%)11284(Top 92%)11284(Top 622%)
35K21.75 mi0.75 mi26787+1411302-311302-325799(Top 91%)11006(Top 90%)11006(Top 607%)
23M23.00 mi1.25 mi26746+4111284+1811284+1826016(Top 92%)11100(Top 91%)11100(Top 612%)
24M24.00 mi1.00 mi26745+111295-1111295-1126404(Top 93%)11322(Top 93%)11322(Top 624%)
40K24.85 mi0.85 mi2674511301-611301-626439(Top 93%)11351(Top 93%)11351(Top 626%)
25.2M25.20 mi0.35 mi26741+411305-411305-426232(Top 92%)11308(Top 92%)11308(Top 624%)
Finish26.22 mi1.02 mi26763-2211317-1211317-1227270(Top 96%)11756(Top 96%)11756(Top 648%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27211

Females

11496

F45-49

11496

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27404

Females

11608

F45-49

11608

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27211

Females

11496

F45-49

11496

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26840

Females

11297

F45-49

11297

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

26951

Females

11383

F45-49

11383

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26358

Females

11056

F45-49

11056

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26019

Females

10951

F45-49

10951

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25860

Females

10936

F45-49

10936

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26451

Females

11284

F45-49

11284

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25799

Females

11006

F45-49

11006

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26016

Females

11100

F45-49

11100

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26404

Females

11322

F45-49

11322

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26439

Females

11351

F45-49

11351

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26232

Females

11308

F45-49

11308

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27270

Females

11756

F45-49

11756

Passing Analysis

Category:
Athletes Passed
983
Passed By
571
Net Change
+412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27175
5K → 10K79248-169#27175#27344
10K → 15K13173+58#27344#27286
15K → 20K16335+128#27286#27158
20K → Half2216+6#27158#27152
Half → 25K15522+133#27152#27019
25K → 30K18023+157#27019#26862
30K → 20M6611+55#26862#26807
20M → 21M3428+6#26807#26801
21M → 35K2713+14#26801#26787
35K → 23M5615+41#26787#26746
23M → 24M3332+1#26746#26745
24M → 40K21210#26745#26745
40K → 25.2M117+4#26745#26741
25.2M → Finish527-22#26741#26763
TOTALS983571+412
📊

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