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BOSTON MARATHON 2025

Alison Waters

Bib: 20873•F

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
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:57
Rank: #16847
Start → 5K
24:57 | 8:02/mi
10K· 6.21 mi
50:10
Rank: #17067 (-220)
5K → 10K
25:13 | 8:07/mi
15K· 9.32 mi
1:15:30
Rank: #17093 (-26)
10K → 15K
25:20 | 8:09/mi
20K· 12.43 mi
1:43:58
Rank: #18426 (-1333)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:49:25
Rank: #18286 (+140)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:11:20
Rank: #18624 (-338)
Half → 25K
21:55 | 9:02/mi
30K· 18.64 mi
2:40:23
Rank: #18786 (-162)
25K → 30K
29:03 | 9:21/mi
20M
2:53:57
Rank: #19017 (-231)
30K → 20M
13:34 | 9:59/mi
21M
3:04:47
Rank: #19173 (-156)
20M → 21M
10:50 | 10:50/mi
35K· 21.75 mi
3:11:31
Rank: #19151 (+22)
21M → 35K
6:44 | 9:00/mi
23M
3:23:19
Rank: #19105 (+46)
35K → 23M
11:48 | 9:25/mi
24M
3:32:57
Rank: #19156 (-51)
23M → 24M
9:38 | 9:38/mi
40K· 24.85 mi
3:41:24
Rank: #19205 (-49)
24M → 40K
8:27 | 9:53/mi
25.2M
3:45:06
Rank: #19201 (+4)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:53:34
Rank: #19051 (+150)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:04:09
Pace9:28 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0724:578:0224:57
8:02
-
10K
6.21 mi11:44:2050:108:0425:13
8:07
+0:05
15K
9.32 mi12:09:401:15:308:0625:20
8:09
+0:02
20K
12.43 mi12:38:081:43:588:2228:28
9:10
+1:01
Half
13.11 mi12:43:351:49:258:215:27
7:59
-1:11
25K
15.53 mi13:05:302:11:208:2721:55
9:02
+1:03
30K
18.64 mi13:34:332:40:238:3629:03
9:21
+0:19
20M
20.00 mi13:48:072:53:578:4213:34
9:59
+0:38
21M
21.00 mi13:58:573:04:478:4810:50
10:50
+0:51
35K
21.75 mi14:05:413:11:318:486:44
9:00
-1:50
23M
23.00 mi14:17:293:23:198:5011:48
9:25
+0:25
24M
24.00 mi14:27:073:32:578:529:38
9:38
+0:13
40K
24.85 mi14:35:343:41:248:548:27
9:53
+0:15
25.2M
25.20 mi14:39:163:45:068:563:42
10:44
+0:51
Finish
26.22 mi14:47:443:53:348:558:28
8:19
-2:25

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

7:59 /mi

Average Pace

8:55 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:25

38% of race

Time at Steady Pace

1:37:58

42% of race

Time at Slower Pace

46:11

20% of race

Average Pace: 8:54 /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 mi11:19:0724:578:0224:57
8:02
#16847
10K
6.21 mi11:44:2050:108:0425:13
8:07
#17067
15K
9.32 mi12:09:401:15:308:0625:20
8:09
#17093
20K
12.43 mi12:38:081:43:588:2228:28
9:10
#18426
Half
13.11 mi12:43:351:49:258:215:27
7:59
#18286
25K
15.53 mi13:05:302:11:208:2721:55
9:02
#18624
30K
18.64 mi13:34:332:40:238:3629:03
9:21
#18786
20M
20.00 mi13:48:072:53:578:4213:34
9:59
#19017
21M
21.00 mi13:58:573:04:478:4810:50
10:50
#19173
35K
21.75 mi14:05:413:11:318:486:44
9:00
#19151
23M
23.00 mi14:17:293:23:198:5011:48
9:25
#19105
24M
24.00 mi14:27:073:32:578:529:38
9:38
#19156
40K
24.85 mi14:35:343:41:248:548:27
9:53
#19205
25.2M
25.20 mi14:39:163:45:068:563:42
10:44
#19201
Finish
26.22 mi14:47:443:53:348:558:28
8:19
#19051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi168475656565617121(Top 60%)5807(Top 47%)5807(Top 446%)
10K6.21 mi3.10 mi17067-2205767-1115767-11117340(Top 61%)5907(Top 48%)5907(Top 453%)
15K9.32 mi3.11 mi17093-265772-55772-517121(Top 60%)5807(Top 47%)5807(Top 446%)
20K12.43 mi3.11 mi18426-13336584-8126584-81221741(Top 77%)8449(Top 69%)8449(Top 648%)
Half13.11 mi0.68 mi18286+1406510+746510+7415906(Top 56%)5141(Top 42%)5141(Top 395%)
25K15.53 mi2.42 mi18624-3386706-1966706-19620084(Top 71%)7575(Top 62%)7575(Top 581%)
30K18.64 mi3.11 mi18786-1626818-1126818-11219351(Top 68%)7314(Top 60%)7314(Top 561%)
20M20.00 mi1.36 mi19017-2316989-1716989-17120889(Top 74%)8295(Top 68%)8295(Top 637%)
21M21.00 mi1.00 mi19173-1567100-1117100-11120935(Top 74%)8417(Top 69%)8417(Top 646%)
35K21.75 mi0.75 mi19151+227104-47104-418261(Top 64%)7053(Top 58%)7053(Top 541%)
23M23.00 mi1.25 mi19105+467107-37107-318360(Top 65%)7167(Top 59%)7167(Top 550%)
24M24.00 mi1.00 mi19156-517158-517158-5120135(Top 71%)8149(Top 67%)8149(Top 625%)
40K24.85 mi0.85 mi19205-497213-557213-5520080(Top 71%)8198(Top 67%)8198(Top 629%)
25.2M25.20 mi0.35 mi19201+47226-137226-1319839(Top 70%)8067(Top 66%)8067(Top 619%)
Finish26.22 mi1.02 mi19051+1507159+677159+6715014(Top 53%)5499(Top 45%)5499(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17121

Females

5807

F50-54

5807

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17340

Females

5907

F50-54

5907

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17121

Females

5807

F50-54

5807

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21741

Females

8449

F50-54

8449

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15906

Females

5141

F50-54

5141

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20084

Females

7575

F50-54

7575

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19351

Females

7314

F50-54

7314

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20889

Females

8295

F50-54

8295

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

20935

Females

8417

F50-54

8417

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18261

Females

7053

F50-54

7053

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18360

Females

7167

F50-54

7167

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20135

Females

8149

F50-54

8149

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20080

Females

8198

F50-54

8198

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19839

Females

8067

F50-54

8067

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15014

Females

5499

F50-54

5499

Passing Analysis

Category:
Athletes Passed
1415
Passed By
3619
Net Change
-2204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16847
5K → 10K214434-220#16847#17067
10K → 15K199225-26#17067#17093
15K → 20K181351-1333#17093#18426
20K → Half1422+140#18426#18286
Half → 25K82420-338#18286#18624
25K → 30K195357-162#18624#18786
30K → 20M47278-231#18786#19017
20M → 21M52208-156#19017#19173
21M → 35K6442+22#19173#19151
35K → 23M11165+46#19151#19105
23M → 24M4798-51#19105#19156
24M → 40K55104-49#19156#19205
40K → 25.2M3531+4#19205#19201
25.2M → Finish1544+150#19201#19051
TOTALS14153619-2204
📊

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