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BOSTON MARATHON 2025

Sarah Vermillion

Bib: 18169•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F40-44)
#0 / 1718
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
7:53/mi
24:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:08
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:39:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:05:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:32:16
↑ 181↓ 1480.2%
20M
8:53/mi
2:44:20
↑ 64↓ 500.2%
21M
9:12/mi
2:53:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:00:09
↑ 17↓ 861.7%
23M
9:05/mi
3:11:31
↑ 23↓ 630.6%
24M
8:57/mi
3:20:28
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:28:11
↓ 200.3%
25.2M
9:49/mi
3:31:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:40:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:03
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:55:15
Pace8:47 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5024:307:5324:30
7:53
-
10K
6.21 mi11:40:3549:157:5624:45
7:58
+0:05
15K
9.32 mi12:05:281:14:087:5724:53
8:01
+0:03
20K
12.43 mi12:30:531:39:338:0125:25
8:11
+0:10
Half
13.11 mi12:36:231:45:038:015:30
8:04
-0:07
25K
15.53 mi12:56:452:05:258:0420:22
8:24
+0:20
30K
18.64 mi13:23:362:32:168:1026:51
8:39
+0:15
20M
20.00 mi13:35:402:44:208:1312:04
8:53
+0:14
21M
21.00 mi13:44:522:53:328:169:12
9:12
+0:19
35K
21.75 mi13:51:293:00:098:176:37
8:51
-0:21
23M
23.00 mi14:02:513:11:318:2011:22
9:05
+0:14
24M
24.00 mi14:11:483:20:288:218:57
8:57
-0:08
40K
24.85 mi14:19:313:28:118:237:43
9:02
+0:05
25.2M
25.20 mi14:22:543:31:348:243:23
9:49
+0:47
Finish
26.22 mi14:31:383:40:188:258:44
8:34
-1:15

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

7:53 /mi

Average Pace

8:25 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:03

48% of race

Time at Steady Pace

1:14:38

34% of race

Time at Slower Pace

40:37

18% of race

Average Pace: 8:24 /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 mi11:15:5024:307:5324:30
7:53
#15567
10K
6.21 mi11:40:3549:157:5624:45
7:58
#15920
15K
9.32 mi12:05:281:14:087:5724:53
8:01
#15958
20K
12.43 mi12:30:531:39:338:0125:25
8:11
#16015
Half
13.11 mi12:36:231:45:038:015:30
8:04
#16039
25K
15.53 mi12:56:452:05:258:0420:22
8:24
#16128
30K
18.64 mi13:23:362:32:168:1026:51
8:39
#15999
20M
20.00 mi13:35:402:44:208:1312:04
8:53
#15974
21M
21.00 mi13:44:522:53:328:169:12
9:12
#15843
35K
21.75 mi13:51:293:00:098:176:37
8:51
#15857
23M
23.00 mi14:02:513:11:318:2011:22
9:05
#15867
24M
24.00 mi14:11:483:20:288:218:57
8:57
#15920
40K
24.85 mi14:19:313:28:118:237:43
9:02
#15916
25.2M
25.20 mi14:22:543:31:348:243:23
9:49
#15918
Finish
26.22 mi14:31:383:40:188:258:44
8:34
#15943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi155674874487416127(Top 57%)5218(Top 43%)5218(Top 304%)
10K6.21 mi3.10 mi15920-3535089-2155089-21516213(Top 57%)5253(Top 43%)5253(Top 306%)
15K9.32 mi3.11 mi15958-385118-295118-2916127(Top 57%)5218(Top 43%)5218(Top 304%)
20K12.43 mi3.11 mi16015-575159-415159-4116190(Top 57%)5329(Top 44%)5329(Top 310%)
Half13.11 mi0.68 mi16039-245176-175176-1716420(Top 58%)5425(Top 44%)5425(Top 316%)
25K15.53 mi2.42 mi16128-895234-585234-5816586(Top 58%)5622(Top 46%)5622(Top 327%)
30K18.64 mi3.11 mi15999+1295218+165218+1615658(Top 55%)5261(Top 43%)5261(Top 306%)
20M20.00 mi1.36 mi15974+255255-375255-3716125(Top 57%)5667(Top 46%)5667(Top 330%)
21M21.00 mi1.00 mi15843+1315214+415214+4114658(Top 52%)4976(Top 41%)4976(Top 290%)
35K21.75 mi0.75 mi15857-145241-275241-2717488(Top 62%)6614(Top 54%)6614(Top 385%)
23M23.00 mi1.25 mi15867-105290-495290-4916711(Top 59%)6278(Top 51%)6278(Top 365%)
24M24.00 mi1.00 mi15920-535333-435333-4317125(Top 60%)6560(Top 54%)6560(Top 382%)
40K24.85 mi0.85 mi15916+45357-245357-2416467(Top 58%)6290(Top 51%)6290(Top 366%)
25.2M25.20 mi0.35 mi15918-25373-165373-1616181(Top 57%)6166(Top 50%)6166(Top 359%)
Finish26.22 mi1.02 mi15943-255398-255398-2516686(Top 59%)6391(Top 52%)6391(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16127

Females

5218

F40-44

5218

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16213

Females

5253

F40-44

5253

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16127

Females

5218

F40-44

5218

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16190

Females

5329

F40-44

5329

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16420

Females

5425

F40-44

5425

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16586

Females

5622

F40-44

5622

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15658

Females

5261

F40-44

5261

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16125

Females

5667

F40-44

5667

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14658

Females

4976

F40-44

4976

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17488

Females

6614

F40-44

6614

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16711

Females

6278

F40-44

6278

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17125

Females

6560

F40-44

6560

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16467

Females

6290

F40-44

6290

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16181

Females

6166

F40-44

6166

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16686

Females

6391

F40-44

6391

Passing Analysis

Category:
Athletes Passed
1690
Passed By
2066
Net Change
-376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15567
5K → 10K187540-353#15567#15920
10K → 15K185223-38#15920#15958
15K → 20K179236-57#15958#16015
20K → Half3357-24#16015#16039
Half → 25K140229-89#16039#16128
25K → 30K284155+129#16128#15999
30K → 20M126101+25#15999#15974
20M → 21M17241+131#15974#15843
21M → 35K5973-14#15843#15857
35K → 23M112122-10#15857#15867
23M → 24M51104-53#15867#15920
24M → 40K6965+4#15920#15916
40K → 25.2M3840-2#15916#15918
25.2M → Finish5580-25#15918#15943
TOTALS16902066-376
📊

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