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BOSTON MARATHON 2025

Cheryl Armstrong

Bib: 20822•F

ON

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0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:48
Rank: #20620
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
53:27
Rank: #20408 (+212)
5K → 10K
26:39 | 8:35/mi
15K· 9.32 mi
1:20:55
Rank: #20653 (-245)
10K → 15K
27:28 | 8:50/mi
20K· 12.43 mi
1:49:42
Rank: #21055 (-402)
15K → 20K
28:47 | 9:16/mi
Half· 13.11 mi
1:56:01
Rank: #21175 (-120)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:19:38
Rank: #21503 (-328)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
2:49:16
Rank: #21245 (+258)
25K → 30K
29:38 | 9:32/mi
20M
3:02:18
Rank: #21100 (+145)
30K → 20M
13:02 | 9:35/mi
21M
3:12:15
Rank: #20902 (+198)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:19:33
Rank: #20923 (-21)
21M → 35K
7:18 | 9:45/mi
23M
3:31:29
Rank: #20806 (+117)
35K → 23M
11:56 | 9:32/mi
24M
3:40:38
Rank: #20695 (+111)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:48:34
Rank: #20605 (+90)
24M → 40K
7:56 | 9:17/mi
25.2M
3:51:54
Rank: #20545 (+60)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
4:00:07
Rank: #20367 (+178)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:01
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:04:06
Pace9:28 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3926:488:3826:48
8:38
-
10K
6.21 mi11:48:1853:278:3626:39
8:35
-0:03
15K
9.32 mi12:15:461:20:558:4127:28
8:50
+0:15
20K
12.43 mi12:44:331:49:428:5028:47
9:16
+0:26
Half
13.11 mi12:50:521:56:018:516:19
9:16
0:00
25K
15.53 mi13:14:292:19:388:5923:37
9:44
+0:28
30K
18.64 mi13:44:072:49:169:0529:38
9:32
-0:12
20M
20.00 mi13:57:093:02:189:0713:02
9:35
+0:03
21M
21.00 mi14:07:063:12:159:099:57
9:57
+0:22
35K
21.75 mi14:14:243:19:339:117:18
9:45
-0:12
23M
23.00 mi14:26:203:31:299:1211:56
9:32
-0:13
24M
24.00 mi14:35:293:40:389:129:09
9:09
-0:23
40K
24.85 mi14:43:253:48:349:127:56
9:17
+0:08
25.2M
25.20 mi14:46:453:51:549:123:20
9:40
+0:23
Finish
26.22 mi14:54:584:00:079:108:13
8:04
-1:36

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

8:04 /mi

Average Pace

9:10 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

37% of race

Time at Steady Pace

1:33:45

39% of race

Time at Slower Pace

57:14

24% of race

Average Pace: 9:09 /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 mi11:21:3926:488:3826:48
8:38
#20620
10K
6.21 mi11:48:1853:278:3626:39
8:35
#20408
15K
9.32 mi12:15:461:20:558:4127:28
8:50
#20653
20K
12.43 mi12:44:331:49:428:5028:47
9:16
#21055
Half
13.11 mi12:50:521:56:018:516:19
9:16
#21175
25K
15.53 mi13:14:292:19:388:5923:37
9:44
#21503
30K
18.64 mi13:44:072:49:169:0529:38
9:32
#21245
20M
20.00 mi13:57:093:02:189:0713:02
9:35
#21100
21M
21.00 mi14:07:063:12:159:099:57
9:57
#20902
35K
21.75 mi14:14:243:19:339:117:18
9:45
#20923
23M
23.00 mi14:26:203:31:299:1211:56
9:32
#20806
24M
24.00 mi14:35:293:40:389:129:09
9:09
#20695
40K
24.85 mi14:43:253:48:349:127:56
9:17
#20605
25.2M
25.20 mi14:46:453:51:549:123:20
9:40
#20545
Finish
26.22 mi14:54:584:00:079:108:13
8:04
#20367
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi206207869786921246(Top 75%)8135(Top 67%)8135(Top 474%)
10K6.21 mi3.10 mi20408+2127716+1537716+15320248(Top 71%)7606(Top 62%)7606(Top 443%)
15K9.32 mi3.11 mi20653-2457838-1227838-12221246(Top 75%)8135(Top 67%)8135(Top 474%)
20K12.43 mi3.11 mi21055-4028060-2228060-22222160(Top 78%)8670(Top 71%)8670(Top 505%)
Half13.11 mi0.68 mi21175-1208125-658125-6522820(Top 80%)9036(Top 74%)9036(Top 526%)
25K15.53 mi2.42 mi21503-3288322-1978322-19722606(Top 80%)8981(Top 73%)8981(Top 523%)
30K18.64 mi3.11 mi21245+2588214+1088214+10820096(Top 71%)7709(Top 63%)7709(Top 449%)
20M20.00 mi1.36 mi21100+1458163+518163+5119591(Top 69%)7579(Top 62%)7579(Top 441%)
21M21.00 mi1.00 mi20902+1988068+958068+9518135(Top 64%)6872(Top 56%)6872(Top 400%)
35K21.75 mi0.75 mi20923-218088-208088-2021201(Top 75%)8609(Top 70%)8609(Top 501%)
23M23.00 mi1.25 mi20806+1178056+328056+3218859(Top 66%)7438(Top 61%)7438(Top 433%)
24M24.00 mi1.00 mi20695+1118011+458011+4518144(Top 64%)7118(Top 58%)7118(Top 414%)
40K24.85 mi0.85 mi20605+907984+277984+2717795(Top 63%)7037(Top 58%)7037(Top 410%)
25.2M25.20 mi0.35 mi20545+607956+287956+2815554(Top 55%)5878(Top 48%)5878(Top 342%)
Finish26.22 mi1.02 mi20367+1787873+837873+8313374(Top 47%)4653(Top 38%)4653(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21246

Females

8135

F40-44

8135

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20248

Females

7606

F40-44

7606

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21246

Females

8135

F40-44

8135

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22160

Females

8670

F40-44

8670

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22820

Females

9036

F40-44

9036

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22606

Females

8981

F40-44

8981

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20096

Females

7709

F40-44

7709

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19591

Females

7579

F40-44

7579

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18135

Females

6872

F40-44

6872

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21201

Females

8609

F40-44

8609

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18859

Females

7438

F40-44

7438

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18144

Females

7118

F40-44

7118

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17795

Females

7037

F40-44

7037

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15554

Females

5878

F40-44

5878

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13374

Females

4653

F40-44

4653

Passing Analysis

Category:
Athletes Passed
2062
Passed By
1809
Net Change
+253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20620
5K → 10K402190+212#20620#20408
10K → 15K116361-245#20408#20653
15K → 20K86488-402#20653#21055
20K → Half9129-120#21055#21175
Half → 25K61389-328#21175#21503
25K → 30K33072+258#21503#21245
30K → 20M17126+145#21245#21100
20M → 21M21113+198#21100#20902
21M → 35K4970-21#20902#20923
35K → 23M15437+117#20923#20806
23M → 24M1209+111#20806#20695
24M → 40K11121+90#20695#20605
40K → 25.2M622+60#20605#20545
25.2M → Finish1802+178#20545#20367
TOTALS20621809+253
📊

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