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BOSTON MARATHON 2025

Amy Sanders

Bib: 22911•F

UT

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
26:36
Rank: #20262
Start → 5K
8:34/mi
26:36 split
10K· 6.21 mi
53:28
Rank: #20421 (-159)
5K → 10K
8:39/mi
26:52 split
15K· 9.32 mi
1:20:29
Rank: #20398 (+23)
10K → 15K
8:42/mi
27:01 split
20K· 12.43 mi
1:48:22
Rank: #20533 (-135)
15K → 20K
8:58/mi
27:53 split
Half· 13.11 mi
1:54:30
Rank: #20591 (-58)
20K → Half
8:59/mi
6:08 split
25K· 15.53 mi
2:16:42
Rank: #20632 (-41)
Half → 25K
9:09/mi
22:12 split
30K· 18.64 mi
2:48:24
Rank: #21033 (-401)
25K → 30K
10:12/mi
31:42 split
20M
3:01:27
Rank: #20899 (+134)
30K → 20M
9:36/mi
13:03 split
21M
3:12:18
Rank: #20922 (-23)
20M → 21M
10:51/mi
10:51 split
35K· 21.75 mi
3:19:08
Rank: #20842 (+80)
21M → 35K
9:08/mi
6:50 split
23M
3:31:29
Rank: #20807 (+35)
35K → 23M
9:52/mi
12:21 split
24M
3:41:07
Rank: #20788 (+19)
23M → 24M
9:38/mi
9:38 split
40K· 24.85 mi
3:49:15
Rank: #20718 (+70)
24M → 40K
9:31/mi
8:08 split
25.2M
3:52:52
Rank: #20693 (+25)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
4:02:25
Rank: #20688 (+5)
25.2M → Finish
9:22/mi
9:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:30
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:07:55
Pace9:45 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5126:368:3426:36
8:34
-
10K
6.21 mi11:49:4353:288:3626:52
8:39
+0:05
15K
9.32 mi12:16:441:20:298:3827:01
8:42
+0:03
20K
12.43 mi12:44:371:48:228:4327:53
8:58
+0:16
Half
13.11 mi12:50:451:54:308:446:08
8:59
+0:01
25K
15.53 mi13:12:572:16:428:4822:12
9:09
+0:10
30K
18.64 mi13:44:392:48:249:0231:42
10:12
+1:03
20M
20.00 mi13:57:423:01:279:0413:03
9:36
-0:36
21M
21.00 mi14:08:333:12:189:0910:51
10:51
+1:15
35K
21.75 mi14:15:233:19:089:096:50
9:08
-1:43
23M
23.00 mi14:27:443:31:299:1212:21
9:52
+0:44
24M
24.00 mi14:37:223:41:079:139:38
9:38
-0:14
40K
24.85 mi14:45:303:49:159:138:08
9:31
-0:07
25.2M
25.20 mi14:49:073:52:529:143:37
10:29
+0:58
Finish
26.22 mi14:58:404:02:259:159:33
9:22
-1:07

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

8:34 /mi

Average Pace

9:15 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:30

47% of race

Time at Steady Pace

1:09:24

29% of race

Time at Slower Pace

58:31

24% of race

Average Pace: 9:15 /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 mi11:22:5126:368:3426:36
8:34
#20262
10K
6.21 mi11:49:4353:288:3626:52
8:39
#20421
15K
9.32 mi12:16:441:20:298:3827:01
8:42
#20398
20K
12.43 mi12:44:371:48:228:4327:53
8:58
#20533
Half
13.11 mi12:50:451:54:308:446:08
8:59
#20591
25K
15.53 mi13:12:572:16:428:4822:12
9:09
#20632
30K
18.64 mi13:44:392:48:249:0231:42
10:12
#21033
20M
20.00 mi13:57:423:01:279:0413:03
9:36
#20899
21M
21.00 mi14:08:333:12:189:0910:51
10:51
#20922
35K
21.75 mi14:15:233:19:089:096:50
9:08
#20842
23M
23.00 mi14:27:443:31:299:1212:21
9:52
#20807
24M
24.00 mi14:37:223:41:079:139:38
9:38
#20788
40K
24.85 mi14:45:303:49:159:138:08
9:31
#20718
25.2M
25.20 mi14:49:073:52:529:143:37
10:29
#20693
Finish
26.22 mi14:58:404:02:259:159:33
9:22
#20688
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi202627657765720477(Top 72%)7698(Top 63%)7698(Top 425%)
10K6.21 mi3.10 mi20421-1597727-707727-7020601(Top 73%)7806(Top 64%)7806(Top 431%)
15K9.32 mi3.11 mi20398+237700+277700+2720477(Top 72%)7698(Top 63%)7698(Top 425%)
20K12.43 mi3.11 mi20533-1357779-797779-7920838(Top 73%)7967(Top 65%)7967(Top 439%)
Half13.11 mi0.68 mi20591-587809-307809-3021798(Top 77%)8470(Top 69%)8470(Top 467%)
25K15.53 mi2.42 mi20632-417840-317840-3120599(Top 73%)7873(Top 64%)7873(Top 434%)
30K18.64 mi3.11 mi21033-4018107-2678107-26722194(Top 78%)8871(Top 73%)8871(Top 489%)
20M20.00 mi1.36 mi20899+1348042+658042+6519645(Top 69%)7605(Top 62%)7605(Top 419%)
21M21.00 mi1.00 mi20922-238080-388080-3820989(Top 74%)8445(Top 69%)8445(Top 466%)
35K21.75 mi0.75 mi20842+808055+258055+2518922(Top 67%)7419(Top 61%)7419(Top 409%)
23M23.00 mi1.25 mi20807+358057-28057-220024(Top 70%)8065(Top 66%)8065(Top 445%)
24M24.00 mi1.00 mi20788+198061-48061-420141(Top 71%)8155(Top 67%)8155(Top 450%)
40K24.85 mi0.85 mi20718+708037+248037+2418793(Top 66%)7531(Top 62%)7531(Top 415%)
25.2M25.20 mi0.35 mi20693+258030+78030+719008(Top 67%)7647(Top 63%)7647(Top 422%)
Finish26.22 mi1.02 mi20688+58047-178047-1720684(Top 73%)8489(Top 69%)8489(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20477

Females

7698

F45-49

7698

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20601

Females

7806

F45-49

7806

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20477

Females

7698

F45-49

7698

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20838

Females

7967

F45-49

7967

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21798

Females

8470

F45-49

8470

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20599

Females

7873

F45-49

7873

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22194

Females

8871

F45-49

8871

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19645

Females

7605

F45-49

7605

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20989

Females

8445

F45-49

8445

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18922

Females

7419

F45-49

7419

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

20024

Females

8065

F45-49

8065

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20141

Females

8155

F45-49

8155

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18793

Females

7531

F45-49

7531

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19008

Females

7647

F45-49

7647

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20684

Females

8489

F45-49

8489

Passing Analysis

Category:
Athletes Passed
1510
Passed By
1936
Net Change
-426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20262
5K → 10K208367-159#20262#20421
10K → 15K201178+23#20421#20398
15K → 20K143278-135#20398#20533
20K → Half1876-58#20533#20591
Half → 25K139180-41#20591#20632
25K → 30K104505-401#20632#21033
30K → 20M16834+134#21033#20899
20M → 21M85108-23#20899#20922
21M → 35K10121+80#20922#20842
35K → 23M10570+35#20842#20807
23M → 24M6748+19#20807#20788
24M → 40K8919+70#20788#20718
40K → 25.2M3611+25#20718#20693
25.2M → Finish4641+5#20693#20688
TOTALS15101936-426
📊

Passing Visuals

Category:
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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