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BOSTON MARATHON 2025

Lauren Park

Bib: 10417•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #10816
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
45:42
Rank: #10822 (-6)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:08:29
Rank: #10623 (+199)
10K → 15K
22:47 | 7:20/mi
20K· 12.43 mi
1:31:52
Rank: #10692 (-69)
15K → 20K
23:23 | 7:32/mi
Half· 13.11 mi
1:36:59
Rank: #10744 (-52)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:55:29
Rank: #10740 (+4)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:20:07
Rank: #10730 (+10)
25K → 30K
24:38 | 7:56/mi
20M
2:31:02
Rank: #10710 (+20)
30K → 20M
10:55 | 8:02/mi
21M
2:39:28
Rank: #10628 (+82)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:45:06
Rank: #10536 (+92)
21M → 35K
5:38 | 7:32/mi
23M
2:54:53
Rank: #10371 (+165)
35K → 23M
9:47 | 7:49/mi
24M
3:02:21
Rank: #10203 (+168)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:08:54
Rank: #10080 (+123)
24M → 40K
6:33 | 7:40/mi
25.2M
3:11:47
Rank: #10029 (+51)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:19:19
Rank: #9938 (+91)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:42:20
Pace7:48 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5622:497:2122:49
7:21
-
10K
6.21 mi11:11:4945:427:2122:53
7:22
+0:01
15K
9.32 mi11:34:361:08:297:2122:47
7:20
-0:02
20K
12.43 mi11:57:591:31:527:2423:23
7:32
+0:12
Half
13.11 mi12:03:061:36:597:245:07
7:30
-0:02
25K
15.53 mi12:21:361:55:297:2618:30
7:38
+0:08
30K
18.64 mi12:46:142:20:077:3124:38
7:56
+0:18
20M
20.00 mi12:57:092:31:027:3310:55
8:02
+0:06
21M
21.00 mi13:05:352:39:287:368:26
8:26
+0:24
35K
21.75 mi13:11:132:45:067:355:38
7:32
-0:54
23M
23.00 mi13:21:002:54:537:369:47
7:49
+0:17
24M
24.00 mi13:28:283:02:217:367:28
7:28
-0:21
40K
24.85 mi13:35:013:08:547:366:33
7:40
+0:12
25.2M
25.20 mi13:37:543:11:477:372:53
8:22
+0:42
Finish
26.22 mi13:45:263:19:197:367:32
7:24
-0:58

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

7:20 /mi

Average Pace

7:36 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:00

94% of race

Time at Steady Pace

11:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:48:5622:497:2122:49
7:21
#10816
10K
6.21 mi11:11:4945:427:2122:53
7:22
#10822
15K
9.32 mi11:34:361:08:297:2122:47
7:20
#10623
20K
12.43 mi11:57:591:31:527:2423:23
7:32
#10692
Half
13.11 mi12:03:061:36:597:245:07
7:30
#10744
25K
15.53 mi12:21:361:55:297:2618:30
7:38
#10740
30K
18.64 mi12:46:142:20:077:3124:38
7:56
#10730
20M
20.00 mi12:57:092:31:027:3310:55
8:02
#10710
21M
21.00 mi13:05:352:39:287:368:26
8:26
#10628
35K
21.75 mi13:11:132:45:067:355:38
7:32
#10536
23M
23.00 mi13:21:002:54:537:369:47
7:49
#10371
24M
24.00 mi13:28:283:02:217:367:28
7:28
#10203
40K
24.85 mi13:35:013:08:547:366:33
7:40
#10080
25.2M
25.20 mi13:37:543:11:477:372:53
8:22
#10029
Finish
26.22 mi13:45:263:19:197:367:32
7:24
#9938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108162194219410281(Top 36%)2014(Top 16%)2014(Top 37%)
10K6.21 mi3.10 mi10822-62218-242218-2410888(Top 38%)2248(Top 18%)2248(Top 41%)
15K9.32 mi3.11 mi10623+1992140+782140+7810281(Top 36%)2014(Top 16%)2014(Top 37%)
20K12.43 mi3.11 mi10692-692190-502190-5011002(Top 39%)2474(Top 20%)2474(Top 45%)
Half13.11 mi0.68 mi10744-522215-252215-2511735(Top 41%)2774(Top 23%)2774(Top 51%)
25K15.53 mi2.42 mi10740+42253-382253-3810991(Top 39%)2580(Top 21%)2580(Top 47%)
30K18.64 mi3.11 mi10730+102327-742327-7410865(Top 38%)2711(Top 22%)2711(Top 50%)
20M20.00 mi1.36 mi10710+202362-352362-3510679(Top 38%)2772(Top 23%)2772(Top 51%)
21M21.00 mi1.00 mi10628+822358+42358+410068(Top 35%)2634(Top 22%)2634(Top 48%)
35K21.75 mi0.75 mi10536+922323+352323+358877(Top 31%)2071(Top 17%)2071(Top 38%)
23M23.00 mi1.25 mi10371+1652295+282295+288704(Top 31%)2123(Top 17%)2123(Top 39%)
24M24.00 mi1.00 mi10203+1682239+562239+567509(Top 26%)1677(Top 14%)1677(Top 31%)
40K24.85 mi0.85 mi10080+1232215+242215+247869(Top 28%)1934(Top 16%)1934(Top 35%)
25.2M25.20 mi0.35 mi10029+512205+102205+108032(Top 28%)2090(Top 17%)2090(Top 38%)
Finish26.22 mi1.02 mi9938+912191+142191+148455(Top 30%)2266(Top 19%)2266(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10281

Females

2014

F18-39

2014

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10888

Females

2248

F18-39

2248

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10281

Females

2014

F18-39

2014

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11002

Females

2474

F18-39

2474

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11735

Females

2774

F18-39

2774

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10991

Females

2580

F18-39

2580

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10865

Females

2711

F18-39

2711

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10679

Females

2772

F18-39

2772

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

10068

Females

2634

F18-39

2634

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8877

Females

2071

F18-39

2071

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8704

Females

2123

F18-39

2123

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7509

Females

1677

F18-39

1677

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7869

Females

1934

F18-39

1934

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8032

Females

2090

F18-39

2090

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8455

Females

2266

F18-39

2266

Passing Analysis

Category:
Athletes Passed
2171*
Passed By
1293
Net Change
+878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10816
5K → 10K253259-6#10816#10822
10K → 15K27172+199#10822#10623
15K → 20K145214-69#10623#10692
20K → Half2274-52#10692#10744
Half → 25K167163+4#10744#10740
25K → 30K249239+10#10740#10730
30K → 20M122102+20#10730#10710
20M → 21M14260+82#10710#10628
21M → 35K10513+92#10628#10536
35K → 23M19025+165#10536#10371
23M → 24M17810+168#10371#10203
24M → 40K14522+123#10203#10080
40K → 25.2M6514+51#10080#10029
25.2M → Finish117*26+91#10029#9938
TOTALS2171*1293+878

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

📊

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