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BOSTON MARATHON 2025

Crystal Chinea

Bib: 11013•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
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
24:12
Rank: #14726
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:09
Rank: #14326 (+400)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:12:03
Rank: #14032 (+294)
10K → 15K
23:54 | 7:42/mi
20K· 12.43 mi
1:36:18
Rank: #13797 (+235)
15K → 20K
24:15 | 7:48/mi
Half· 13.11 mi
1:41:38
Rank: #13830 (-33)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:01:03
Rank: #13836 (-6)
Half → 25K
19:25 | 8:00/mi
30K· 18.64 mi
2:27:20
Rank: #13917 (-81)
25K → 30K
26:17 | 8:28/mi
20M
2:38:47
Rank: #13825 (+92)
30K → 20M
11:27 | 8:26/mi
21M
2:47:56
Rank: #13829 (-4)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:54:07
Rank: #13825 (+4)
21M → 35K
6:11 | 8:16/mi
23M
3:05:14
Rank: #13961 (-136)
35K → 23M
11:07 | 8:53/mi
24M
3:14:07
Rank: #14122 (-161)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:22:08
Rank: #14277 (-155)
24M → 40K
8:01 | 9:23/mi
25.2M
3:25:26
Rank: #14275 (+2)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:33:31
Rank: #14172 (+103)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:51:53
Pace8:32 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0624:127:4724:12
7:47
-
10K
6.21 mi11:15:0348:097:4523:57
7:43
-0:04
15K
9.32 mi11:38:571:12:037:4423:54
7:42
-0:01
20K
12.43 mi12:03:121:36:187:4524:15
7:48
+0:06
Half
13.11 mi12:08:321:41:387:455:20
7:49
+0:01
25K
15.53 mi12:27:572:01:037:4819:25
8:00
+0:11
30K
18.64 mi12:54:142:27:207:5426:17
8:28
+0:28
20M
20.00 mi13:05:412:38:477:5611:27
8:26
-0:02
21M
21.00 mi13:14:502:47:568:009:09
9:09
+0:43
35K
21.75 mi13:21:012:54:078:006:11
8:16
-0:53
23M
23.00 mi13:32:083:05:148:0311:07
8:53
+0:37
24M
24.00 mi13:41:013:14:078:058:53
8:53
0:00
40K
24.85 mi13:49:023:22:088:088:01
9:23
+0:30
25.2M
25.20 mi13:52:203:25:268:093:18
9:34
+0:11
Finish
26.22 mi14:00:253:33:318:098:05
7:56
-1:38

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

7:42 /mi

Average Pace

8:09 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:43

51% of race

Time at Steady Pace

1:03:20

30% of race

Time at Slower Pace

40:28

19% of race

Average Pace: 8:09 /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 mi10:51:0624:127:4724:12
7:47
#14726
10K
6.21 mi11:15:0348:097:4523:57
7:43
#14326
15K
9.32 mi11:38:571:12:037:4423:54
7:42
#14032
20K
12.43 mi12:03:121:36:187:4524:15
7:48
#13797
Half
13.11 mi12:08:321:41:387:455:20
7:49
#13830
25K
15.53 mi12:27:572:01:037:4819:25
8:00
#13836
30K
18.64 mi12:54:142:27:207:5426:17
8:28
#13917
20M
20.00 mi13:05:412:38:477:5611:27
8:26
#13825
21M
21.00 mi13:14:502:47:568:009:09
9:09
#13829
35K
21.75 mi13:21:012:54:078:006:11
8:16
#13825
23M
23.00 mi13:32:083:05:148:0311:07
8:53
#13961
24M
24.00 mi13:41:013:14:078:058:53
8:53
#14122
40K
24.85 mi13:49:023:22:088:088:01
9:23
#14277
25.2M
25.20 mi13:52:203:25:268:093:18
9:34
#14275
Finish
26.22 mi14:00:253:33:318:098:05
7:56
#14172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147264363436313453(Top 47%)3715(Top 30%)3715(Top 68%)
10K6.21 mi3.10 mi14326+4004136+2274136+22713983(Top 49%)3952(Top 32%)3952(Top 72%)
15K9.32 mi3.11 mi14032+2943990+1463990+14613453(Top 47%)3715(Top 30%)3715(Top 68%)
20K12.43 mi3.11 mi13797+2353899+913899+9113329(Top 47%)3729(Top 30%)3729(Top 68%)
Half13.11 mi0.68 mi13830-333928-293928-2914466(Top 51%)4331(Top 35%)4331(Top 79%)
25K15.53 mi2.42 mi13836-63950-223950-2213975(Top 49%)4197(Top 34%)4197(Top 77%)
30K18.64 mi3.11 mi13917-814058-1084058-10814517(Top 51%)4636(Top 38%)4636(Top 85%)
20M20.00 mi1.36 mi13825+924040+184040+1813333(Top 47%)4157(Top 34%)4157(Top 76%)
21M21.00 mi1.00 mi13829-44076-364076-3614365(Top 51%)4819(Top 39%)4819(Top 88%)
35K21.75 mi0.75 mi13825+44090-144090-1414065(Top 50%)4701(Top 38%)4701(Top 86%)
23M23.00 mi1.25 mi13961-1364203-1134203-11315560(Top 55%)5638(Top 46%)5638(Top 103%)
24M24.00 mi1.00 mi14122-1614323-1204323-12016760(Top 59%)6350(Top 52%)6350(Top 116%)
40K24.85 mi0.85 mi14277-1554428-1054428-10518188(Top 64%)7212(Top 59%)7212(Top 132%)
25.2M25.20 mi0.35 mi14275+24434-64434-614974(Top 53%)5521(Top 45%)5521(Top 101%)
Finish26.22 mi1.02 mi14172+1034404+304404+3012456(Top 44%)4164(Top 34%)4164(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13453

Females

3715

F18-39

3715

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13983

Females

3952

F18-39

3952

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13453

Females

3715

F18-39

3715

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13329

Females

3729

F18-39

3729

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14466

Females

4331

F18-39

4331

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13975

Females

4197

F18-39

4197

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14517

Females

4636

F18-39

4636

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13333

Females

4157

F18-39

4157

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14365

Females

4819

F18-39

4819

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14065

Females

4701

F18-39

4701

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15560

Females

5638

F18-39

5638

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16760

Females

6350

F18-39

6350

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18188

Females

7212

F18-39

7212

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14974

Females

5521

F18-39

5521

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12456

Females

4164

F18-39

4164

Passing Analysis

Category:
Athletes Passed
2302
Passed By
1748
Net Change
+554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14726
5K → 10K534134+400#14726#14326
10K → 15K36672+294#14326#14032
15K → 20K32792+235#14032#13797
20K → Half2356-33#13797#13830
Half → 25K187193-6#13830#13836
25K → 30K218299-81#13836#13917
30K → 20M15967+92#13917#13825
20M → 21M104108-4#13825#13829
21M → 35K6056+4#13829#13825
35K → 23M76212-136#13825#13961
23M → 24M46207-161#13961#14122
24M → 40K37192-155#14122#14277
40K → 25.2M3331+2#14277#14275
25.2M → Finish13229+103#14275#14172
TOTALS23021748+554
📊

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