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BOSTON MARATHON 2025

Anna Park

Bib: 17319•F

MN

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

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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:12:23
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:38:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:43:57
↑ 19↓ 370.5%
25K· 15.53 mi
10:07/mi
2:08:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:37:00
↑ 181↓ 1480.2%
20M
9:22/mi
2:49:44
↑ 64↓ 500.2%
21M
10:00/mi
2:59:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:06:27
↑ 17↓ 861.7%
23M
9:25/mi
3:18:14
↑ 23↓ 630.6%
24M
9:14/mi
3:27:28
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:35:06
↓ 200.3%
25.2M
10:15/mi
3:38:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:46:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:02:43
Pace9:22 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5623:507:4023:50
7:40
-
10K
6.21 mi11:41:2947:237:3823:33
7:35
-0:05
15K
9.32 mi12:06:291:12:237:4625:00
8:03
+0:28
20K
12.43 mi12:32:331:38:277:5526:04
8:23
+0:20
Half
13.11 mi12:38:031:43:577:565:30
8:04
-0:19
25K
15.53 mi13:02:352:08:298:1624:32
10:07
+2:03
30K
18.64 mi13:31:062:37:008:2528:31
9:11
-0:56
20M
20.00 mi13:43:502:49:448:2912:44
9:22
+0:11
21M
21.00 mi13:53:502:59:448:3410:00
10:00
+0:38
35K
21.75 mi14:00:333:06:278:346:43
8:59
-1:01
23M
23.00 mi14:12:203:18:148:3711:47
9:25
+0:26
24M
24.00 mi14:21:343:27:288:399:14
9:14
-0:11
40K
24.85 mi14:29:123:35:068:397:38
8:56
-0:18
25.2M
25.20 mi14:32:443:38:388:413:32
10:15
+1:19
Finish
26.22 mi14:40:463:46:408:398:02
7:53
-2:22

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

7:35 /mi

Average Pace

8:39 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:59

49% of race

Time at Steady Pace

1:04:50

29% of race

Time at Slower Pace

49:51

22% of race

Average Pace: 8:39 /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 mi11:17:5623:507:4023:50
7:40
#13736
10K
6.21 mi11:41:2947:237:3823:33
7:35
#13284
15K
9.32 mi12:06:291:12:237:4625:00
8:03
#14348
20K
12.43 mi12:32:331:38:277:5526:04
8:23
#15300
Half
13.11 mi12:38:031:43:577:565:30
8:04
#15354
25K
15.53 mi13:02:352:08:298:1624:32
10:07
#17423
30K
18.64 mi13:31:062:37:008:2528:31
9:11
#17610
20M
20.00 mi13:43:502:49:448:2912:44
9:22
#17691
21M
21.00 mi13:53:502:59:448:3410:00
10:00
#17753
35K
21.75 mi14:00:333:06:278:346:43
8:59
#17757
23M
23.00 mi14:12:203:18:148:3711:47
9:25
#17777
24M
24.00 mi14:21:343:27:288:399:14
9:14
#17796
40K
24.85 mi14:29:123:35:068:397:38
8:56
#17723
25.2M
25.20 mi14:32:443:38:388:413:32
10:15
#17724
Finish
26.22 mi14:40:463:46:408:398:02
7:53
#17528
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137363736373616401(Top 58%)5382(Top 44%)5382(Top 98%)
10K6.21 mi3.10 mi13284+4523520+2163520+21612865(Top 45%)3296(Top 27%)3296(Top 60%)
15K9.32 mi3.11 mi14348-10644170-6504170-65016401(Top 58%)5382(Top 44%)5382(Top 98%)
20K12.43 mi3.11 mi15300-9524753-5834753-58317501(Top 62%)6053(Top 50%)6053(Top 111%)
Half13.11 mi0.68 mi15354-544783-304783-3016450(Top 58%)5455(Top 45%)5455(Top 100%)
25K15.53 mi2.42 mi17423-20696014-12316014-123123540(Top 83%)9502(Top 78%)9502(Top 174%)
30K18.64 mi3.11 mi17610-1876190-1766190-17618549(Top 65%)6856(Top 56%)6856(Top 125%)
20M20.00 mi1.36 mi17691-816260-706260-7018623(Top 66%)7062(Top 58%)7062(Top 129%)
21M21.00 mi1.00 mi17753-626299-396299-3918295(Top 64%)6942(Top 57%)6942(Top 127%)
35K21.75 mi0.75 mi17757-46311-126311-1218141(Top 64%)6977(Top 57%)6977(Top 128%)
23M23.00 mi1.25 mi17777-206376-656376-6518293(Top 64%)7130(Top 58%)7130(Top 130%)
24M24.00 mi1.00 mi17796-196422-466422-4618514(Top 65%)7298(Top 60%)7298(Top 133%)
40K24.85 mi0.85 mi17723+736399+236399+2315928(Top 56%)6008(Top 49%)6008(Top 110%)
25.2M25.20 mi0.35 mi17724-16409-106409-1018119(Top 64%)7194(Top 59%)7194(Top 132%)
Finish26.22 mi1.02 mi17528+1966329+806329+8012107(Top 43%)3995(Top 33%)3995(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16401

Females

5382

F18-39

5382

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12865

Females

3296

F18-39

3296

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16401

Females

5382

F18-39

5382

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17501

Females

6053

F18-39

6053

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16450

Females

5455

F18-39

5455

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23540

Females

9502

F18-39

9502

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18549

Females

6856

F18-39

6856

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18623

Females

7062

F18-39

7062

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18295

Females

6942

F18-39

6942

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18141

Females

6977

F18-39

6977

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18293

Females

7130

F18-39

7130

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18514

Females

7298

F18-39

7298

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15928

Females

6008

F18-39

6008

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18119

Females

7194

F18-39

7194

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12107

Females

3995

F18-39

3995

Passing Analysis

Category:
Athletes Passed
1599
Passed By
5391
Net Change
-3792
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13736
5K → 10K558106+452#13736#13284
10K → 15K331097-1064#13284#14348
15K → 20K611013-952#14348#15300
20K → Half2478-54#15300#15354
Half → 25K72076-2069#15354#17423
25K → 30K166353-187#17423#17610
30K → 20M96177-81#17610#17691
20M → 21M78140-62#17691#17753
21M → 35K6569-4#17753#17757
35K → 23M103123-20#17757#17777
23M → 24M7493-19#17777#17796
24M → 40K9926+73#17796#17723
40K → 25.2M3435-1#17723#17724
25.2M → Finish2015+196#17724#17528
TOTALS15995391-3792
📊

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