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BOSTON MARATHON 2025

Stephanie Brown

Bib: 23314•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F55-59)
#0 / 994
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #18523
Start → 5K
25:41 | 8:16/mi
10K· 6.21 mi
51:50
Rank: #18870 (-347)
5K → 10K
26:09 | 8:25/mi
15K· 9.32 mi
1:18:01
Rank: #18864 (+6)
10K → 15K
26:11 | 8:26/mi
20K· 12.43 mi
1:44:43
Rank: #18810 (+54)
15K → 20K
26:42 | 8:36/mi
Half· 13.11 mi
1:50:26
Rank: #18801 (+9)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:11:24
Rank: #18649 (+152)
Half → 25K
20:58 | 8:39/mi
30K· 18.64 mi
2:39:15
Rank: #18404 (+245)
25K → 30K
27:51 | 8:58/mi
20M
2:51:40
Rank: #18328 (+76)
30K → 20M
12:25 | 9:08/mi
21M
3:01:37
Rank: #18296 (+32)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:08:27
Rank: #18323 (-27)
21M → 35K
6:50 | 9:08/mi
23M
3:20:19
Rank: #18338 (-15)
35K → 23M
11:52 | 9:29/mi
24M
3:29:23
Rank: #18283 (+55)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:37:05
Rank: #18216 (+67)
24M → 40K
7:42 | 9:00/mi
25.2M
3:40:35
Rank: #18222 (-6)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:49:36
Rank: #18232 (-10)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:26
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:59:10
Pace9:05 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0825:418:1625:41
8:16
-
10K
6.21 mi11:48:1751:508:2126:09
8:25
+0:09
15K
9.32 mi12:14:281:18:018:2226:11
8:26
+0:01
20K
12.43 mi12:41:101:44:438:2626:42
8:36
+0:10
Half
13.11 mi12:46:531:50:268:255:43
8:23
-0:13
25K
15.53 mi13:07:512:11:248:2820:58
8:39
+0:16
30K
18.64 mi13:35:422:39:158:3327:51
8:58
+0:19
20M
20.00 mi13:48:072:51:408:3512:25
9:08
+0:10
21M
21.00 mi13:58:043:01:378:399:57
9:57
+0:49
35K
21.75 mi14:04:543:08:278:406:50
9:08
-0:49
23M
23.00 mi14:16:463:20:198:4311:52
9:29
+0:21
24M
24.00 mi14:25:503:29:238:439:04
9:04
-0:25
40K
24.85 mi14:33:323:37:058:447:42
9:00
-0:04
25.2M
25.20 mi14:37:023:40:358:453:30
10:09
+1:09
Finish
26.22 mi14:46:033:49:368:469:01
8:51
-1:18

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

8:16 /mi

Average Pace

8:46 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:24

57% of race

Time at Steady Pace

1:12:53

32% of race

Time at Slower Pace

25:19

11% of race

Average Pace: 8:45 /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 mi11:22:0825:418:1625:41
8:16
#18523
10K
6.21 mi11:48:1751:508:2126:09
8:25
#18870
15K
9.32 mi12:14:281:18:018:2226:11
8:26
#18864
20K
12.43 mi12:41:101:44:438:2626:42
8:36
#18810
Half
13.11 mi12:46:531:50:268:255:43
8:23
#18801
25K
15.53 mi13:07:512:11:248:2820:58
8:39
#18649
30K
18.64 mi13:35:422:39:158:3327:51
8:58
#18404
20M
20.00 mi13:48:072:51:408:3512:25
9:08
#18328
21M
21.00 mi13:58:043:01:378:399:57
9:57
#18296
35K
21.75 mi14:04:543:08:278:406:50
9:08
#18323
23M
23.00 mi14:16:463:20:198:4311:52
9:29
#18338
24M
24.00 mi14:25:503:29:238:439:04
9:04
#18283
40K
24.85 mi14:33:323:37:058:447:42
9:00
#18216
25.2M
25.20 mi14:37:023:40:358:453:30
10:09
#18222
Finish
26.22 mi14:46:033:49:368:469:01
8:51
#18232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi185236643664318879(Top 66%)6829(Top 56%)6829(Top 687%)
10K6.21 mi3.10 mi18870-3476831-1886831-18819305(Top 68%)7055(Top 58%)7055(Top 710%)
15K9.32 mi3.11 mi18864+66835-46835-418879(Top 66%)6829(Top 56%)6829(Top 687%)
20K12.43 mi3.11 mi18810+546796+396796+3918819(Top 66%)6806(Top 56%)6806(Top 685%)
Half13.11 mi0.68 mi18801+96794+26794+218530(Top 65%)6644(Top 54%)6644(Top 668%)
25K15.53 mi2.42 mi18649+1526720+746720+7418090(Top 64%)6478(Top 53%)6478(Top 652%)
30K18.64 mi3.11 mi18404+2456607+1136607+11317500(Top 62%)6307(Top 52%)6307(Top 635%)
20M20.00 mi1.36 mi18328+766600+76600+717495(Top 62%)6417(Top 52%)6417(Top 646%)
21M21.00 mi1.00 mi18296+326607-76607-718124(Top 64%)6861(Top 56%)6861(Top 690%)
35K21.75 mi0.75 mi18323-276639-326639-3218898(Top 67%)7395(Top 60%)7395(Top 744%)
23M23.00 mi1.25 mi18338-156672-336672-3318593(Top 65%)7286(Top 60%)7286(Top 733%)
24M24.00 mi1.00 mi18283+556673-16673-117718(Top 62%)6884(Top 56%)6884(Top 693%)
40K24.85 mi0.85 mi18216+676665+86665+816374(Top 58%)6251(Top 51%)6251(Top 629%)
25.2M25.20 mi0.35 mi18222-66682-176682-1717730(Top 62%)6982(Top 57%)6982(Top 702%)
Finish26.22 mi1.02 mi18232-106700-186700-1818299(Top 64%)7237(Top 59%)7237(Top 728%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18879

Females

6829

F55-59

6829

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19305

Females

7055

F55-59

7055

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18879

Females

6829

F55-59

6829

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18819

Females

6806

F55-59

6806

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18530

Females

6644

F55-59

6644

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18090

Females

6478

F55-59

6478

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17500

Females

6307

F55-59

6307

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17495

Females

6417

F55-59

6417

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18124

Females

6861

F55-59

6861

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

18898

Females

7395

F55-59

7395

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18593

Females

7286

F55-59

7286

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17718

Females

6884

F55-59

6884

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16374

Females

6251

F55-59

6251

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17730

Females

6982

F55-59

6982

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18299

Females

7237

F55-59

7237

Passing Analysis

Category:
Athletes Passed
1886
Passed By
1595
Net Change
+291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18523
5K → 10K132479-347#18523#18870
10K → 15K202196+6#18870#18864
15K → 20K226172+54#18864#18810
20K → Half3829+9#18810#18801
Half → 25K22977+152#18801#18649
25K → 30K363118+245#18649#18404
30K → 20M14771+76#18404#18328
20M → 21M11785+32#18328#18296
21M → 35K5380-27#18296#18323
35K → 23M100115-15#18323#18338
23M → 24M9944+55#18338#18283
24M → 40K9427+67#18283#18216
40K → 25.2M2632-6#18216#18222
25.2M → Finish6070-10#18222#18232
TOTALS18861595+291
📊

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