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BOSTON MARATHON 2025

Sarah Miller

Bib: 18055•F

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:58
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:31:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:36:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:54:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:17:42
↑ 181↓ 1480.2%
20M
7:34/mi
2:27:59
↑ 64↓ 500.2%
21M
7:55/mi
2:35:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:41:23
↑ 17↓ 861.7%
23M
7:30/mi
2:50:47
↑ 23↓ 630.6%
24M
7:30/mi
2:58:17
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:04:45
↓ 200.3%
25.2M
8:19/mi
3:07:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:15:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:35
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:38:29
Pace7:31 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2123:027:2523:02
7:25
-
10K
6.21 mi11:36:2446:057:2523:03
7:25
0:00
15K
9.32 mi11:59:171:08:587:2422:53
7:22
-0:03
20K
12.43 mi12:22:021:31:437:2322:45
7:19
-0:03
Half
13.11 mi12:26:541:36:357:224:52
7:08
-0:11
25K
15.53 mi12:44:401:54:217:2217:46
7:20
+0:12
30K
18.64 mi13:08:012:17:427:2323:21
7:31
+0:11
20M
20.00 mi13:18:182:27:597:2410:17
7:34
+0:03
21M
21.00 mi13:26:132:35:547:257:55
7:55
+0:21
35K
21.75 mi13:31:422:41:237:255:29
7:20
-0:35
23M
23.00 mi13:41:062:50:477:269:24
7:30
+0:10
24M
24.00 mi13:48:362:58:177:267:30
7:30
0:00
40K
24.85 mi13:55:043:04:457:266:28
7:34
+0:04
25.2M
25.20 mi13:57:563:07:377:272:52
8:19
+0:45
Finish
26.22 mi14:05:233:15:047:277:27
7:19
-1:00

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

7:08 /mi

Average Pace

7:27 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:17

94% of race

Time at Steady Pace

10:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi11:13:2123:027:2523:02
7:25
#11471
10K
6.21 mi11:36:2446:057:2523:03
7:25
#11383
15K
9.32 mi11:59:171:08:587:2422:53
7:22
#11057
20K
12.43 mi12:22:021:31:437:2322:45
7:19
#10589
Half
13.11 mi12:26:541:36:357:224:52
7:08
#10468
25K
15.53 mi12:44:401:54:217:2217:46
7:20
#10107
30K
18.64 mi13:08:012:17:427:2323:21
7:31
#9596
20M
20.00 mi13:18:182:27:597:2410:17
7:34
#9374
21M
21.00 mi13:26:132:35:547:257:55
7:55
#9187
35K
21.75 mi13:31:422:41:237:255:29
7:20
#9102
23M
23.00 mi13:41:062:50:477:269:24
7:30
#8857
24M
24.00 mi13:48:362:58:177:267:30
7:30
#8774
40K
24.85 mi13:55:043:04:457:266:28
7:34
#8662
25.2M
25.20 mi13:57:563:07:377:272:52
8:19
#8619
Finish
26.22 mi14:05:233:15:047:277:27
7:19
#8580
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114712511251110549(Top 37%)2139(Top 17%)2139(Top 39%)
10K6.21 mi3.10 mi11383+882489+222489+2211360(Top 40%)2491(Top 20%)2491(Top 46%)
15K9.32 mi3.11 mi11057+3262350+1392350+13910549(Top 37%)2139(Top 17%)2139(Top 39%)
20K12.43 mi3.11 mi10589+4682144+2062144+2069237(Top 33%)1624(Top 13%)1624(Top 30%)
Half13.11 mi0.68 mi10468+1212086+582086+588616(Top 30%)1337(Top 11%)1337(Top 24%)
25K15.53 mi2.42 mi10107+3611963+1231963+1238596(Top 30%)1467(Top 12%)1467(Top 27%)
30K18.64 mi3.11 mi9596+5111776+1871776+1877870(Top 28%)1343(Top 11%)1343(Top 25%)
20M20.00 mi1.36 mi9374+2221707+691707+697482(Top 26%)1339(Top 11%)1339(Top 24%)
21M21.00 mi1.00 mi9187+1871657+501657+506918(Top 24%)1276(Top 10%)1276(Top 23%)
35K21.75 mi0.75 mi9102+851645+121645+127455(Top 26%)1477(Top 12%)1477(Top 27%)
23M23.00 mi1.25 mi8857+2451580+651580+656623(Top 23%)1243(Top 10%)1243(Top 23%)
24M24.00 mi1.00 mi8774+831582-21582-27750(Top 27%)1783(Top 15%)1783(Top 33%)
40K24.85 mi0.85 mi8662+1121576+61576+67212(Top 25%)1642(Top 13%)1642(Top 30%)
25.2M25.20 mi0.35 mi8619+431571+51571+57768(Top 27%)1957(Top 16%)1957(Top 36%)
Finish26.22 mi1.02 mi8580+391580-91580-97871(Top 28%)2012(Top 16%)2012(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10549

Females

2139

F18-39

2139

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11360

Females

2491

F18-39

2491

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10549

Females

2139

F18-39

2139

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9237

Females

1624

F18-39

1624

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8616

Females

1337

F18-39

1337

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8596

Females

1467

F18-39

1467

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7870

Females

1343

F18-39

1343

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7482

Females

1339

F18-39

1339

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6918

Females

1276

F18-39

1276

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7455

Females

1477

F18-39

1477

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6623

Females

1243

F18-39

1243

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7750

Females

1783

F18-39

1783

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7212

Females

1642

F18-39

1642

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7768

Females

1957

F18-39

1957

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7871

Females

2012

F18-39

2012

Passing Analysis

Category:
Athletes Passed
3378*
Passed By
487
Net Change
+2891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11471
5K → 10K293205+88#11471#11383
10K → 15K38256+326#11383#11057
15K → 20K4779+468#11057#10589
20K → Half1232+121#10589#10468
Half → 25K37514+361#10468#10107
25K → 30K533*22+511#10107#9596
30K → 20M2319+222#9596#9374
20M → 21M20013+187#9374#9187
21M → 35K9510+85#9187#9102
35K → 23M26015+245#9102#8857
23M → 24M12340+83#8857#8774
24M → 40K13624+112#8774#8662
40K → 25.2M5916+43#8662#8619
25.2M → Finish9152+39#8619#8580
TOTALS3378*487+2891

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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