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BOSTON MARATHON 2025

Sarah Lemay

Bib: 16499•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:09
Rank: #11814
Start → 5K
23:09 | 7:27/mi
10K· 6.21 mi
46:47
Rank: #12396 (-582)
5K → 10K
23:38 | 7:36/mi
15K· 9.32 mi
1:10:36
Rank: #12630 (-234)
10K → 15K
23:49 | 7:40/mi
20K· 12.43 mi
1:34:28
Rank: #12506 (+124)
15K → 20K
23:52 | 7:41/mi
Half· 13.11 mi
1:39:38
Rank: #12501 (+5)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:32
Rank: #12442 (+59)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:23:25
Rank: #12212 (+230)
25K → 30K
24:53 | 8:01/mi
20M
2:34:24
Rank: #12080 (+132)
30K → 20M
10:59 | 8:05/mi
21M
2:42:55
Rank: #11949 (+131)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:48:45
Rank: #11884 (+65)
21M → 35K
5:50 | 7:48/mi
23M
2:58:49
Rank: #11755 (+129)
35K → 23M
10:04 | 8:02/mi
24M
3:06:37
Rank: #11639 (+116)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:13:21
Rank: #11512 (+127)
24M → 40K
6:44 | 7:53/mi
25.2M
3:16:18
Rank: #11452 (+60)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:24:01
Rank: #11343 (+109)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1323:097:2723:09
7:27
-
10K
6.21 mi11:20:5146:477:3223:38
7:36
+0:09
15K
9.32 mi11:44:401:10:367:3423:49
7:40
+0:04
20K
12.43 mi12:08:321:34:287:3623:52
7:41
+0:01
Half
13.11 mi12:13:421:39:387:365:10
7:34
-0:07
25K
15.53 mi12:32:361:58:327:3818:54
7:48
+0:14
30K
18.64 mi12:57:292:23:257:4224:53
8:01
+0:13
20M
20.00 mi13:08:282:34:247:4310:59
8:05
+0:04
21M
21.00 mi13:16:592:42:557:458:31
8:31
+0:26
35K
21.75 mi13:22:492:48:457:465:50
7:48
-0:43
23M
23.00 mi13:32:532:58:497:4610:04
8:02
+0:14
24M
24.00 mi13:40:413:06:377:477:48
7:48
-0:14
40K
24.85 mi13:47:253:13:217:476:44
7:53
+0:05
25.2M
25.20 mi13:50:223:16:187:472:57
8:33
+0:40
Finish
26.22 mi13:58:053:24:017:477:43
7:34
-0:59

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

7:27 /mi

Average Pace

7:47 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:33

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:57:1323:097:2723:09
7:27
#11814
10K
6.21 mi11:20:5146:477:3223:38
7:36
#12396
15K
9.32 mi11:44:401:10:367:3423:49
7:40
#12630
20K
12.43 mi12:08:321:34:287:3623:52
7:41
#12506
Half
13.11 mi12:13:421:39:387:365:10
7:34
#12501
25K
15.53 mi12:32:361:58:327:3818:54
7:48
#12442
30K
18.64 mi12:57:292:23:257:4224:53
8:01
#12212
20M
20.00 mi13:08:282:34:247:4310:59
8:05
#12080
21M
21.00 mi13:16:592:42:557:458:31
8:31
#11949
35K
21.75 mi13:22:492:48:457:465:50
7:48
#11884
23M
23.00 mi13:32:532:58:497:4610:04
8:02
#11755
24M
24.00 mi13:40:413:06:377:477:48
7:48
#11639
40K
24.85 mi13:47:253:13:217:476:44
7:53
#11512
25.2M
25.20 mi13:50:223:16:187:472:57
8:33
#11452
Finish
26.22 mi13:58:053:24:017:477:43
7:34
#11343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118142695269513183(Top 46%)3548(Top 29%)3548(Top 65%)
10K6.21 mi3.10 mi12396-5823011-3163011-31613096(Top 46%)3426(Top 28%)3426(Top 63%)
15K9.32 mi3.11 mi12630-2343171-1603171-16013183(Top 46%)3548(Top 29%)3548(Top 65%)
20K12.43 mi3.11 mi12506+1243149+223149+2212245(Top 43%)3140(Top 26%)3140(Top 57%)
Half13.11 mi0.68 mi12501+53149314912392(Top 44%)3159(Top 26%)3159(Top 58%)
25K15.53 mi2.42 mi12442+593161-123161-1212310(Top 43%)3277(Top 27%)3277(Top 60%)
30K18.64 mi3.11 mi12212+2303105+563105+5611451(Top 40%)3006(Top 25%)3006(Top 55%)
20M20.00 mi1.36 mi12080+1323074+313074+3110996(Top 39%)2937(Top 24%)2937(Top 54%)
21M21.00 mi1.00 mi11949+1313044+303044+3010601(Top 37%)2904(Top 24%)2904(Top 53%)
35K21.75 mi0.75 mi11884+653033+113033+1110841(Top 38%)3024(Top 25%)3024(Top 55%)
23M23.00 mi1.25 mi11755+1293006+273006+2710357(Top 36%)2915(Top 24%)2915(Top 53%)
24M24.00 mi1.00 mi11639+1162994+122994+129841(Top 35%)2729(Top 22%)2729(Top 50%)
40K24.85 mi0.85 mi11512+1272957+372957+379335(Top 33%)2609(Top 21%)2609(Top 48%)
25.2M25.20 mi0.35 mi11452+602945+122945+129200(Top 32%)2637(Top 22%)2637(Top 48%)
Finish26.22 mi1.02 mi11343+1092922+232922+239773(Top 34%)2891(Top 24%)2891(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13183

Females

3548

F18-39

3548

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13096

Females

3426

F18-39

3426

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13183

Females

3548

F18-39

3548

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12245

Females

3140

F18-39

3140

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12392

Females

3159

F18-39

3159

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12310

Females

3277

F18-39

3277

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11451

Females

3006

F18-39

3006

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10996

Females

2937

F18-39

2937

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10601

Females

2904

F18-39

2904

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10841

Females

3024

F18-39

3024

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10357

Females

2915

F18-39

2915

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9841

Females

2729

F18-39

2729

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9335

Females

2609

F18-39

2609

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9200

Females

2637

F18-39

2637

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9773

Females

2891

F18-39

2891

Passing Analysis

Category:
Athletes Passed
2107
Passed By
1636
Net Change
+471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11814
5K → 10K85667-582#11814#12396
10K → 15K105339-234#12396#12630
15K → 20K244120+124#12630#12506
20K → Half3530+5#12506#12501
Half → 25K181122+59#12501#12442
25K → 30K350120+230#12442#12212
30K → 20M18351+132#12212#12080
20M → 21M16433+131#12080#11949
21M → 35K9126+65#11949#11884
35K → 23M17344+129#11884#11755
23M → 24M14630+116#11755#11639
24M → 40K14114+127#11639#11512
40K → 25.2M7212+60#11512#11452
25.2M → Finish13728+109#11452#11343
TOTALS21071636+471
📊

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