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BOSTON MARATHON 2025

Chloe Holland

Bib: 16261•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
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
23:42
Rank: #13363
Start → 5K
7:38/mi
23:42 split
10K· 6.21 mi
47:20
Rank: #13204 (+159)
5K → 10K
7:36/mi
23:38 split
15K· 9.32 mi
1:10:59
Rank: #13005 (+199)
10K → 15K
7:37/mi
23:39 split
20K· 12.43 mi
1:35:03
Rank: #12914 (+91)
15K → 20K
7:45/mi
24:04 split
Half· 13.11 mi
1:40:18
Rank: #12916 (-2)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
1:59:21
Rank: #12889 (+27)
Half → 25K
7:51/mi
19:03 split
30K· 18.64 mi
2:24:50
Rank: #12822 (+67)
25K → 30K
8:12/mi
25:29 split
20M
2:36:23
Rank: #12898 (-76)
30K → 20M
8:30/mi
11:33 split
21M
2:45:32
Rank: #12951 (-53)
20M → 21M
9:09/mi
9:09 split
35K· 21.75 mi
2:51:31
Rank: #12917 (+34)
21M → 35K
8:00/mi
5:59 split
23M
3:02:29
Rank: #13037 (-120)
35K → 23M
8:46/mi
10:58 split
24M
3:11:05
Rank: #13126 (-89)
23M → 24M
8:36/mi
8:36 split
40K· 24.85 mi
3:18:48
Rank: #13258 (-132)
24M → 40K
9:02/mi
7:43 split
25.2M
3:22:10
Rank: #13287 (-29)
40K → 25.2M
9:46/mi
3:22 split
Finish· 26.22 mi
3:31:02
Rank: #13486 (-199)
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:18
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:50:44
Pace8:27 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0723:427:3823:42
7:38
-
10K
6.21 mi11:21:4547:207:3723:38
7:36
-0:02
15K
9.32 mi11:45:241:10:597:3723:39
7:37
+0:01
20K
12.43 mi12:09:281:35:037:3924:04
7:45
+0:08
Half
13.11 mi12:14:431:40:187:395:15
7:42
-0:03
25K
15.53 mi12:33:461:59:217:4119:03
7:51
+0:09
30K
18.64 mi12:59:152:24:507:4625:29
8:12
+0:21
20M
20.00 mi13:10:482:36:237:4911:33
8:30
+0:18
21M
21.00 mi13:19:572:45:327:539:09
9:09
+0:39
35K
21.75 mi13:25:562:51:317:535:59
8:00
-1:09
23M
23.00 mi13:36:543:02:297:5610:58
8:46
+0:46
24M
24.00 mi13:45:303:11:057:588:36
8:36
-0:10
40K
24.85 mi13:53:133:18:488:007:43
9:02
+0:26
25.2M
25.20 mi13:56:353:22:108:013:22
9:46
+0:44
Finish
26.22 mi14:05:273:31:028:038:52
8:42
-1:04

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

7:36 /mi

Average Pace

8:03 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:21

57% of race

Time at Steady Pace

43:01

20% of race

Time at Slower Pace

48:40

23% of race

Average Pace: 8:03 /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 mi10:58:0723:427:3823:42
7:38
#13363
10K
6.21 mi11:21:4547:207:3723:38
7:36
#13204
15K
9.32 mi11:45:241:10:597:3723:39
7:37
#13005
20K
12.43 mi12:09:281:35:037:3924:04
7:45
#12914
Half
13.11 mi12:14:431:40:187:395:15
7:42
#12916
25K
15.53 mi12:33:461:59:217:4119:03
7:51
#12889
30K
18.64 mi12:59:152:24:507:4625:29
8:12
#12822
20M
20.00 mi13:10:482:36:237:4911:33
8:30
#12898
21M
21.00 mi13:19:572:45:327:539:09
9:09
#12951
35K
21.75 mi13:25:562:51:317:535:59
8:00
#12917
23M
23.00 mi13:36:543:02:297:5610:58
8:46
#13037
24M
24.00 mi13:45:303:11:057:588:36
8:36
#13126
40K
24.85 mi13:53:133:18:488:007:43
9:02
#13258
25.2M
25.20 mi13:56:353:22:108:013:22
9:46
#13287
Finish
26.22 mi14:05:273:31:028:038:52
8:42
#13486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133633524352412722(Top 45%)3294(Top 27%)3294(Top 60%)
10K6.21 mi3.10 mi13204+1593465+593465+5913111(Top 46%)3441(Top 28%)3441(Top 63%)
15K9.32 mi3.11 mi13005+1993394+713394+7112722(Top 45%)3294(Top 27%)3294(Top 60%)
20K12.43 mi3.11 mi12914+913397-33397-312834(Top 45%)3455(Top 28%)3455(Top 63%)
Half13.11 mi0.68 mi12916-23402-53402-513427(Top 47%)3738(Top 31%)3738(Top 68%)
25K15.53 mi2.42 mi12889+273415-133415-1312835(Top 45%)3586(Top 29%)3586(Top 66%)
30K18.64 mi3.11 mi12822+673439-243439-2412855(Top 45%)3752(Top 31%)3752(Top 69%)
20M20.00 mi1.36 mi12898-763529-903529-9013796(Top 49%)4404(Top 36%)4404(Top 81%)
21M21.00 mi1.00 mi12951-533584-553584-5514360(Top 51%)4814(Top 39%)4814(Top 88%)
35K21.75 mi0.75 mi12917+343582+23582+212296(Top 43%)3803(Top 31%)3803(Top 70%)
23M23.00 mi1.25 mi13037-1203691-1093691-10914885(Top 52%)5265(Top 43%)5265(Top 96%)
24M24.00 mi1.00 mi13126-893779-883779-8815170(Top 53%)5468(Top 45%)5468(Top 100%)
40K24.85 mi0.85 mi13258-1323877-983877-9816457(Top 58%)6280(Top 51%)6280(Top 115%)
25.2M25.20 mi0.35 mi13287-293900-233900-2315933(Top 56%)6038(Top 49%)6038(Top 110%)
Finish26.22 mi1.02 mi13486-1994028-1284028-12817475(Top 62%)6797(Top 56%)6797(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12722

Females

3294

F18-39

3294

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13111

Females

3441

F18-39

3441

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12722

Females

3294

F18-39

3294

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12834

Females

3455

F18-39

3455

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13427

Females

3738

F18-39

3738

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12835

Females

3586

F18-39

3586

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12855

Females

3752

F18-39

3752

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13796

Females

4404

F18-39

4404

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14360

Females

4814

F18-39

4814

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12296

Females

3803

F18-39

3803

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14885

Females

5265

F18-39

5265

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15170

Females

5468

F18-39

5468

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16457

Females

6280

F18-39

6280

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15933

Females

6038

F18-39

6038

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17475

Females

6797

F18-39

6797

Passing Analysis

Category:
Athletes Passed
1875
Passed By
1998
Net Change
-123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13363
5K → 10K366207+159#13363#13204
10K → 15K314115+199#13204#13005
15K → 20K252161+91#13005#12914
20K → Half3133-2#12914#12916
Half → 25K171144+27#12916#12889
25K → 30K255188+67#12889#12822
30K → 20M103179-76#12822#12898
20M → 21M84137-53#12898#12951
21M → 35K7339+34#12951#12917
35K → 23M81201-120#12917#13037
23M → 24M53142-89#13037#13126
24M → 40K44176-132#13126#13258
40K → 25.2M2655-29#13258#13287
25.2M → Finish22221-199#13287#13486
TOTALS18751998-123
📊

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