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BOSTON MARATHON 2025

Cheryl Alden

Bib: 23319•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #17841
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
50:51
Rank: #17869 (-28)
5K → 10K
25:30 | 8:12/mi
15K· 9.32 mi
1:16:19
Rank: #17690 (+179)
10K → 15K
25:28 | 8:12/mi
20K· 12.43 mi
1:42:03
Rank: #17421 (+269)
15K → 20K
25:44 | 8:17/mi
Half· 13.11 mi
1:47:41
Rank: #17428 (-7)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:08:19
Rank: #17352 (+76)
Half → 25K
20:38 | 8:31/mi
30K· 18.64 mi
2:43:28
Rank: #19699 (-2347)
25K → 30K
35:09 | 11:19/mi
20M
2:57:59
Rank: #20078 (-379)
30K → 20M
14:31 | 10:41/mi
21M
3:08:16
Rank: #20018 (+60)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:16:03
Rank: #20190 (-172)
21M → 35K
7:47 | 10:24/mi
23M
3:29:10
Rank: #20352 (-162)
35K → 23M
13:07 | 10:29/mi
24M
3:39:58
Rank: #20574 (-222)
23M → 24M
10:48 | 10:48/mi
40K· 24.85 mi
3:49:39
Rank: #20778 (-204)
24M → 40K
9:41 | 11:20/mi
25.2M
3:53:59
Rank: #20850 (-72)
40K → 25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
4:03:55
Rank: #20874 (-24)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:16:14
Pace10:24 /mi
📊Positive Split: 26.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2425:218:1025:21
8:10
-
10K
6.21 mi11:46:5450:518:1125:30
8:12
+0:02
15K
9.32 mi12:12:221:16:198:1125:28
8:12
0:00
20K
12.43 mi12:38:061:42:038:1325:44
8:17
+0:05
Half
13.11 mi12:43:441:47:418:135:38
8:15
-0:02
25K
15.53 mi13:04:222:08:198:1620:38
8:31
+0:16
30K
18.64 mi13:39:312:43:288:4635:09
11:19
+2:48
20M
20.00 mi13:54:022:57:598:5414:31
10:41
-0:38
21M
21.00 mi14:04:193:08:168:5810:17
10:17
-0:24
35K
21.75 mi14:12:063:16:039:017:47
10:24
+0:07
23M
23.00 mi14:25:133:29:109:0613:07
10:29
+0:05
24M
24.00 mi14:36:013:39:589:1010:48
10:48
+0:19
40K
24.85 mi14:45:423:49:399:149:41
11:20
+0:32
25.2M
25.20 mi14:50:023:53:599:174:20
12:34
+1:14
Finish
26.22 mi14:59:584:03:559:199:56
9:45
-2:49

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

8:10 /mi

Average Pace

9:19 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:19

53% of race

Time at Steady Pace

1:06:26

27% of race

Time at Slower Pace

49:10

20% of race

Average Pace: 9:18 /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 mi11:21:2425:218:1025:21
8:10
#17841
10K
6.21 mi11:46:5450:518:1125:30
8:12
#17869
15K
9.32 mi12:12:221:16:198:1125:28
8:12
#17690
20K
12.43 mi12:38:061:42:038:1325:44
8:17
#17421
Half
13.11 mi12:43:441:47:418:135:38
8:15
#17428
25K
15.53 mi13:04:222:08:198:1620:38
8:31
#17352
30K
18.64 mi13:39:312:43:288:4635:09
11:19
#19699
20M
20.00 mi13:54:022:57:598:5414:31
10:41
#20078
21M
21.00 mi14:04:193:08:168:5810:17
10:17
#20018
35K
21.75 mi14:12:063:16:039:017:47
10:24
#20190
23M
23.00 mi14:25:133:29:109:0613:07
10:29
#20352
24M
24.00 mi14:36:013:39:589:1010:48
10:48
#20574
40K
24.85 mi14:45:423:49:399:149:41
11:20
#20778
25.2M
25.20 mi14:50:023:53:599:174:20
12:34
#20850
Finish
26.22 mi14:59:584:03:559:199:56
9:45
#20874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178416245624517387(Top 61%)5954(Top 49%)5954(Top 457%)
10K6.21 mi3.10 mi17869-286251-66251-617962(Top 63%)6271(Top 51%)6271(Top 481%)
15K9.32 mi3.11 mi17690+1796141+1106141+11017387(Top 61%)5954(Top 49%)5954(Top 457%)
20K12.43 mi3.11 mi17421+2695987+1545987+15416851(Top 59%)5695(Top 47%)5695(Top 437%)
Half13.11 mi0.68 mi17428-75998-115998-1117745(Top 62%)6199(Top 51%)6199(Top 476%)
25K15.53 mi2.42 mi17352+765971+275971+2717282(Top 61%)6022(Top 49%)6022(Top 462%)
30K18.64 mi3.11 mi19699-23477351-13807351-138024572(Top 87%)10167(Top 83%)10167(Top 780%)
20M20.00 mi1.36 mi20078-3797592-2417592-24122914(Top 81%)9373(Top 77%)9373(Top 719%)
21M21.00 mi1.00 mi20018+607581+117581+1119328(Top 68%)7515(Top 61%)7515(Top 577%)
35K21.75 mi0.75 mi20190-1727700-1197700-11922964(Top 81%)9534(Top 78%)9534(Top 732%)
23M23.00 mi1.25 mi20352-1627817-1177817-11721961(Top 77%)9045(Top 74%)9045(Top 694%)
24M24.00 mi1.00 mi20574-2227946-1297946-12923566(Top 83%)9904(Top 81%)9904(Top 760%)
40K24.85 mi0.85 mi20778-2048076-1308076-13023821(Top 84%)10084(Top 82%)10084(Top 774%)
25.2M25.20 mi0.35 mi20850-728130-548130-5424334(Top 86%)10329(Top 84%)10329(Top 793%)
Finish26.22 mi1.02 mi20874-248157-278157-2722090(Top 78%)9198(Top 75%)9198(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17387

Females

5954

F50-54

5954

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17962

Females

6271

F50-54

6271

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17387

Females

5954

F50-54

5954

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16851

Females

5695

F50-54

5695

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17745

Females

6199

F50-54

6199

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17282

Females

6022

F50-54

6022

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24572

Females

10167

F50-54

10167

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

22914

Females

9373

F50-54

9373

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19328

Females

7515

F50-54

7515

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22964

Females

9534

F50-54

9534

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21961

Females

9045

F50-54

9045

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23566

Females

9904

F50-54

9904

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23821

Females

10084

F50-54

10084

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24334

Females

10329

F50-54

10329

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22090

Females

9198

F50-54

9198

Passing Analysis

Category:
Athletes Passed
1432
Passed By
4465
Net Change
-3033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17841
5K → 10K274302-28#17841#17869
10K → 15K282103+179#17869#17690
15K → 20K33263+269#17690#17421
20K → Half2835-7#17421#17428
Half → 25K206130+76#17428#17352
25K → 30K112358-2347#17352#19699
30K → 20M32411-379#19699#20078
20M → 21M12262+60#20078#20018
21M → 35K20192-172#20018#20190
35K → 23M51213-162#20190#20352
23M → 24M17239-222#20352#20574
24M → 40K15219-204#20574#20778
40K → 25.2M1385-72#20778#20850
25.2M → Finish2953-24#20850#20874
TOTALS14324465-3033
📊

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