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BOSTON MARATHON 2025

Sara Parsons

Bib: 32117•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:45
Rank: #27388
Start → 5K
33:45 | 10:52/mi
10K· 6.21 mi
1:07:40
Rank: #27177 (+211)
5K → 10K
33:55 | 10:55/mi
15K· 9.32 mi
1:43:06
Rank: #27149 (+28)
10K → 15K
35:26 | 11:24/mi
20K· 12.43 mi
2:17:11
Rank: #26828 (+321)
15K → 20K
34:05 | 10:58/mi
Half· 13.11 mi
2:24:16
Rank: #26769 (+59)
20K → Half
7:05 | 10:23/mi
25K· 15.53 mi
2:52:53
Rank: #26682 (+87)
Half → 25K
28:37 | 11:48/mi
30K· 18.64 mi
3:28:01
Rank: #26319 (+363)
25K → 30K
35:08 | 11:18/mi
20M
3:43:55
Rank: #26208 (+111)
30K → 20M
15:54 | 11:42/mi
21M
3:55:34
Rank: #26063 (+145)
20M → 21M
11:39 | 11:39/mi
35K· 21.75 mi
4:06:57
Rank: #26240 (-177)
21M → 35K
11:23 | 15:13/mi
23M
4:21:19
Rank: #26141 (+99)
35K → 23M
14:22 | 11:28/mi
24M
4:32:39
Rank: #26088 (+53)
23M → 24M
11:20 | 11:20/mi
40K· 24.85 mi
4:43:41
Rank: #26111 (-23)
24M → 40K
11:02 | 12:54/mi
25.2M
4:47:53
Rank: #26091 (+20)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:58:49
Rank: #26079 (+12)
25.2M → Finish
10:56 | 10:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:16
Pace11:00 /mi
2nd Half
Distance13.11 mi
Time2:34:33
Pace11:47 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:4933:4510:5233:45
10:52
-
10K
6.21 mi12:32:441:07:4010:5333:55
10:55
+0:03
15K
9.32 mi13:08:101:43:0611:0435:26
11:24
+0:29
20K
12.43 mi13:42:152:17:1111:0234:05
10:58
-0:26
Half
13.11 mi13:49:202:24:1611:007:05
10:23
-0:35
25K
15.53 mi14:17:572:52:5311:0828:37
11:48
+1:25
30K
18.64 mi14:53:053:28:0111:1035:08
11:18
-0:30
20M
20.00 mi15:08:593:43:5511:1215:54
11:42
+0:24
21M
21.00 mi15:20:383:55:3411:1311:39
11:39
-0:03
35K
21.75 mi15:32:014:06:5711:2111:23
15:13
+3:34
23M
23.00 mi15:46:234:21:1911:2214:22
11:28
-3:45
24M
24.00 mi15:57:434:32:3911:2211:20
11:20
-0:08
40K
24.85 mi16:08:454:43:4111:2511:02
12:54
+1:34
25.2M
25.20 mi16:12:574:47:5311:254:12
12:11
-0:43
Finish
26.22 mi16:23:534:58:4911:2410:56
10:44
-1:27

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

10:23 /mi

Average Pace

11:24 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:01

6% of race

Time at Steady Pace

4:14:11

85% of race

Time at Slower Pace

26:37

9% of race

Average Pace: 11:24 /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 mi11:58:4933:4510:5233:45
10:52
#27388
10K
6.21 mi12:32:441:07:4010:5333:55
10:55
#27177
15K
9.32 mi13:08:101:43:0611:0435:26
11:24
#27149
20K
12.43 mi13:42:152:17:1111:0234:05
10:58
#26828
Half
13.11 mi13:49:202:24:1611:007:05
10:23
#26769
25K
15.53 mi14:17:572:52:5311:0828:37
11:48
#26682
30K
18.64 mi14:53:053:28:0111:1035:08
11:18
#26319
20M
20.00 mi15:08:593:43:5511:1215:54
11:42
#26208
21M
21.00 mi15:20:383:55:3411:1311:39
11:39
#26063
35K
21.75 mi15:32:014:06:5711:2111:23
15:13
#26240
23M
23.00 mi15:46:234:21:1911:2214:22
11:28
#26141
24M
24.00 mi15:57:434:32:3911:2211:20
11:20
#26088
40K
24.85 mi16:08:454:43:4111:2511:02
12:54
#26111
25.2M
25.20 mi16:12:574:47:5311:254:12
12:11
#26091
Finish
26.22 mi16:23:534:58:4911:2410:56
10:44
#26079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27388115641156427140(Top 96%)11459(Top 94%)11459(Top 210%)
10K6.21 mi3.10 mi27177+21111467+9711467+9726942(Top 95%)11332(Top 93%)11332(Top 207%)
15K9.32 mi3.11 mi27149+2811441+2611441+2627140(Top 96%)11459(Top 94%)11459(Top 210%)
20K12.43 mi3.11 mi26828+32111260+18111260+18125948(Top 91%)10785(Top 88%)10785(Top 197%)
Half13.11 mi0.68 mi26769+5911224+3611224+3625585(Top 90%)10595(Top 87%)10595(Top 194%)
25K15.53 mi2.42 mi26682+8711188+3611188+3626209(Top 92%)10977(Top 90%)10977(Top 201%)
30K18.64 mi3.11 mi26319+36310995+19310995+19324562(Top 86%)10163(Top 83%)10163(Top 186%)
20M20.00 mi1.36 mi26208+11110951+4410951+4424847(Top 87%)10393(Top 85%)10393(Top 190%)
21M21.00 mi1.00 mi26063+14510880+7110880+7122906(Top 81%)9456(Top 77%)9456(Top 173%)
35K21.75 mi0.75 mi26240-17710990-11010990-11028110(Top 99%)12117(Top 99%)12117(Top 222%)
23M23.00 mi1.25 mi26141+9910942+4810942+4824194(Top 85%)10201(Top 83%)10201(Top 187%)
24M24.00 mi1.00 mi26088+5310920+2210920+2224618(Top 87%)10445(Top 85%)10445(Top 191%)
40K24.85 mi0.85 mi26111-2310944-2410944-2426193(Top 92%)11237(Top 92%)11237(Top 205%)
25.2M25.20 mi0.35 mi26091+2010935+910935+923545(Top 83%)9948(Top 81%)9948(Top 182%)
Finish26.22 mi1.02 mi26079+1210929+610929+624776(Top 87%)10550(Top 86%)10550(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27140

Females

11459

F18-39

11459

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26942

Females

11332

F18-39

11332

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27140

Females

11459

F18-39

11459

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25948

Females

10785

F18-39

10785

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25585

Females

10595

F18-39

10595

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26209

Females

10977

F18-39

10977

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24562

Females

10163

F18-39

10163

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24847

Females

10393

F18-39

10393

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

22906

Females

9456

F18-39

9456

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28110

Females

12117

F18-39

12117

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24194

Females

10201

F18-39

10201

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24618

Females

10445

F18-39

10445

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26193

Females

11237

F18-39

11237

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23545

Females

9948

F18-39

9948

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24776

Females

10550

F18-39

10550

Passing Analysis

Category:
Athletes Passed
1766
Passed By
457
Net Change
+1309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27388
5K → 10K26453+211#27388#27177
10K → 15K12092+28#27177#27149
15K → 20K3309+321#27149#26828
20K → Half601+59#26828#26769
Half → 25K13245+87#26769#26682
25K → 30K3663+363#26682#26319
30K → 20M1176+111#26319#26208
20M → 21M1472+145#26208#26063
21M → 35K5182-177#26063#26240
35K → 23M1045+99#26240#26141
23M → 24M596+53#26141#26088
24M → 40K1639-23#26088#26111
40K → 25.2M222+20#26111#26091
25.2M → Finish2412+12#26091#26079
TOTALS1766457+1309
📊

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