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BOSTON MARATHON 2025

Liz Sloan

Bib: 29581•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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:10
Rank: #26407
Start → 5K
32:10 | 10:21/mi
10K· 6.21 mi
1:04:13
Rank: #26150 (+257)
5K → 10K
32:03 | 10:19/mi
15K· 9.32 mi
1:36:19
Rank: #25971 (+179)
10K → 15K
32:06 | 10:20/mi
20K· 12.43 mi
2:10:20
Rank: #25954 (+17)
15K → 20K
34:01 | 10:57/mi
Half· 13.11 mi
2:17:20
Rank: #25920 (+34)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:48:50
Rank: #26296 (-376)
Half → 25K
31:30 | 13:00/mi
30K· 18.64 mi
3:25:10
Rank: #26081 (+215)
25K → 30K
36:20 | 11:42/mi
20M
3:41:36
Rank: #26031 (+50)
30K → 20M
16:26 | 12:06/mi
21M
3:53:43
Rank: #25932 (+99)
20M → 21M
12:07 | 12:07/mi
35K· 21.75 mi
4:02:07
Rank: #25891 (+41)
21M → 35K
8:24 | 11:14/mi
23M
4:16:09
Rank: #25808 (+83)
35K → 23M
14:02 | 11:12/mi
24M
4:27:46
Rank: #25791 (+17)
23M → 24M
11:37 | 11:37/mi
40K· 24.85 mi
4:37:08
Rank: #25714 (+77)
24M → 40K
9:22 | 10:57/mi
25.2M
4:41:08
Rank: #25678 (+36)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:51:35
Rank: #25625 (+53)
25.2M → Finish
10:27 | 10:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:20
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:34:15
Pace11:46 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2232:1010:2132:10
10:21
-
10K
6.21 mi12:23:251:04:1310:2032:03
10:19
-0:02
15K
9.32 mi12:55:311:36:1910:2032:06
10:20
+0:01
20K
12.43 mi13:29:322:10:2010:2934:01
10:57
+0:37
Half
13.11 mi13:36:322:17:2010:297:00
10:16
-0:41
25K
15.53 mi14:08:022:48:5010:5231:30
13:00
+2:44
30K
18.64 mi14:44:223:25:1011:0036:20
11:42
-1:18
20M
20.00 mi15:00:483:41:3611:0516:26
12:06
+0:24
21M
21.00 mi15:12:553:53:4311:0812:07
12:07
+0:01
35K
21.75 mi15:21:194:02:0711:088:24
11:14
-0:53
23M
23.00 mi15:35:214:16:0911:0814:02
11:12
-0:02
24M
24.00 mi15:46:584:27:4611:0911:37
11:37
+0:25
40K
24.85 mi15:56:204:37:0811:099:22
10:57
-0:40
25.2M
25.20 mi16:00:204:41:0811:094:00
11:36
+0:39
Finish
26.22 mi16:10:474:51:3511:0810:27
10:15
-1:21

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

10:15 /mi

Average Pace

11:08 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:46

39% of race

Time at Steady Pace

1:09:49

24% of race

Time at Slower Pace

1:48:00

37% of race

Average Pace: 11:07 /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 mi11:51:2232:1010:2132:10
10:21
#26407
10K
6.21 mi12:23:251:04:1310:2032:03
10:19
#26150
15K
9.32 mi12:55:311:36:1910:2032:06
10:20
#25971
20K
12.43 mi13:29:322:10:2010:2934:01
10:57
#25954
Half
13.11 mi13:36:322:17:2010:297:00
10:16
#25920
25K
15.53 mi14:08:022:48:5010:5231:30
13:00
#26296
30K
18.64 mi14:44:223:25:1011:0036:20
11:42
#26081
20M
20.00 mi15:00:483:41:3611:0516:26
12:06
#26031
21M
21.00 mi15:12:553:53:4311:0812:07
12:07
#25932
35K
21.75 mi15:21:194:02:0711:088:24
11:14
#25891
23M
23.00 mi15:35:214:16:0911:0814:02
11:12
#25808
24M
24.00 mi15:46:584:27:4611:0911:37
11:37
#25791
40K
24.85 mi15:56:204:37:0811:099:22
10:57
#25714
25.2M
25.20 mi16:00:204:41:0811:094:00
11:36
#25678
Finish
26.22 mi16:10:474:51:3511:0810:27
10:15
#25625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi26407109821098225645(Top 90%)10585(Top 87%)10585(Top 812%)
10K6.21 mi3.10 mi26150+25710850+13210850+13225940(Top 91%)10755(Top 88%)10755(Top 825%)
15K9.32 mi3.11 mi25971+17910762+8810762+8825645(Top 90%)10585(Top 87%)10585(Top 812%)
20K12.43 mi3.11 mi25954+17107621076225915(Top 91%)10763(Top 88%)10763(Top 826%)
Half13.11 mi0.68 mi25920+3410747+1510747+1525350(Top 89%)10466(Top 86%)10466(Top 803%)
25K15.53 mi2.42 mi26296-37610953-20610953-20627288(Top 96%)11587(Top 95%)11587(Top 889%)
30K18.64 mi3.11 mi26081+21510868+8510868+8525129(Top 88%)10473(Top 86%)10473(Top 804%)
20M20.00 mi1.36 mi26031+5010850+1810850+1825378(Top 89%)10691(Top 87%)10691(Top 820%)
21M21.00 mi1.00 mi25932+9910807+4310807+4323787(Top 84%)9914(Top 81%)9914(Top 761%)
35K21.75 mi0.75 mi25891+4110792+1510792+1524643(Top 87%)10403(Top 85%)10403(Top 798%)
23M23.00 mi1.25 mi25808+8310766+2610766+2623677(Top 83%)9943(Top 81%)9943(Top 763%)
24M24.00 mi1.00 mi25791+1710768-210768-225081(Top 88%)10672(Top 87%)10672(Top 819%)
40K24.85 mi0.85 mi25714+7710744+2410744+2423028(Top 81%)9725(Top 80%)9725(Top 746%)
25.2M25.20 mi0.35 mi25678+3610726+1810726+1822238(Top 78%)9288(Top 76%)9288(Top 713%)
Finish26.22 mi1.02 mi25625+5310708+1810708+1823652(Top 83%)10006(Top 82%)10006(Top 768%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25645

Females

10585

F50-54

10585

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25940

Females

10755

F50-54

10755

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25645

Females

10585

F50-54

10585

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25915

Females

10763

F50-54

10763

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25350

Females

10466

F50-54

10466

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27288

Females

11587

F50-54

11587

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25129

Females

10473

F50-54

10473

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25378

Females

10691

F50-54

10691

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23787

Females

9914

F50-54

9914

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24643

Females

10403

F50-54

10403

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23677

Females

9943

F50-54

9943

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25081

Females

10672

F50-54

10672

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23028

Females

9725

F50-54

9725

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22238

Females

9288

F50-54

9288

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23652

Females

10006

F50-54

10006

Passing Analysis

Category:
Athletes Passed
1486
Passed By
704
Net Change
+782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26407
5K → 10K32063+257#26407#26150
10K → 15K22344+179#26150#25971
15K → 20K124107+17#25971#25954
20K → Half373+34#25954#25920
Half → 25K9385-376#25920#26296
25K → 30K23116+215#26296#26081
30K → 20M8232+50#26081#26031
20M → 21M1023+99#26031#25932
21M → 35K509+41#25932#25891
35K → 23M896+83#25891#25808
23M → 24M4124+17#25808#25791
24M → 40K814+77#25791#25714
40K → 25.2M360+36#25714#25678
25.2M → Finish618+53#25678#25625
TOTALS1486704+782
📊

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