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BOSTON MARATHON 2025

Heidi Santa Cruz

Bib: 13087•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7622
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
43:13
Rank: #7559 (+63)
5K → 10K
21:33 | 6:56/mi
15K· 9.32 mi
1:04:43
Rank: #7403 (+156)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:19
Rank: #7152 (+251)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:30:59
Rank: #7128 (+24)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:48:11
Rank: #7026 (+102)
Half → 25K
17:12 | 7:06/mi
30K· 18.64 mi
2:10:36
Rank: #6714 (+312)
25K → 30K
22:25 | 7:13/mi
20M
2:20:22
Rank: #6507 (+207)
30K → 20M
9:46 | 7:11/mi
21M
2:28:06
Rank: #6398 (+109)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:33:28
Rank: #6355 (+43)
21M → 35K
5:22 | 7:10/mi
23M
2:42:40
Rank: #6258 (+97)
35K → 23M
9:12 | 7:21/mi
24M
2:49:56
Rank: #6196 (+62)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:56:08
Rank: #6098 (+98)
24M → 40K
6:12 | 7:15/mi
25.2M
2:58:33
Rank: #5989 (+109)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
3:05:41
Rank: #5900 (+89)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:59
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:34:42
Pace7:13 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1021:406:5821:40
6:58
-
10K
6.21 mi11:11:4343:136:5721:33
6:56
-0:02
15K
9.32 mi11:33:131:04:436:5721:30
6:55
-0:01
20K
12.43 mi11:54:491:26:196:5721:36
6:57
+0:02
Half
13.11 mi11:59:291:30:596:564:40
6:50
-0:07
25K
15.53 mi12:16:411:48:116:5817:12
7:06
+0:16
30K
18.64 mi12:39:062:10:367:0022:25
7:13
+0:07
20M
20.00 mi12:48:522:20:227:019:46
7:11
-0:02
21M
21.00 mi12:56:362:28:067:037:44
7:44
+0:33
35K
21.75 mi13:01:582:33:287:035:22
7:10
-0:34
23M
23.00 mi13:11:102:42:407:049:12
7:21
+0:11
24M
24.00 mi13:18:262:49:567:057:16
7:16
-0:05
40K
24.85 mi13:24:382:56:087:056:12
7:15
-0:01
25.2M
25.20 mi13:27:032:58:337:052:25
7:00
-0:15
Finish
26.22 mi13:34:113:05:417:057:08
7:00
0:00

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

6:50 /mi

Average Pace

7:05 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:57

96% of race

Time at Steady Pace

7:44

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:50:1021:406:5821:40
6:58
#7622
10K
6.21 mi11:11:4343:136:5721:33
6:56
#7559
15K
9.32 mi11:33:131:04:436:5721:30
6:55
#7403
20K
12.43 mi11:54:491:26:196:5721:36
6:57
#7152
Half
13.11 mi11:59:291:30:596:564:40
6:50
#7128
25K
15.53 mi12:16:411:48:116:5817:12
7:06
#7026
30K
18.64 mi12:39:062:10:367:0022:25
7:13
#6714
20M
20.00 mi12:48:522:20:227:019:46
7:11
#6507
21M
21.00 mi12:56:362:28:067:037:44
7:44
#6398
35K
21.75 mi13:01:582:33:287:035:22
7:10
#6355
23M
23.00 mi13:11:102:42:407:049:12
7:21
#6258
24M
24.00 mi13:18:262:49:567:057:16
7:16
#6196
40K
24.85 mi13:24:382:56:087:056:12
7:15
#6098
25.2M
25.20 mi13:27:032:58:337:052:25
7:00
#5989
Finish
26.22 mi13:34:113:05:417:057:08
7:00
#5900
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76228548547104(Top 25%)758(Top 6%)758(Top 14%)
10K6.21 mi3.10 mi7559+63847+7847+77526(Top 26%)846(Top 7%)846(Top 15%)
15K9.32 mi3.11 mi7403+156810+37810+377104(Top 25%)758(Top 6%)758(Top 14%)
20K12.43 mi3.11 mi7152+251754+56754+566611(Top 23%)682(Top 6%)682(Top 12%)
Half13.11 mi0.68 mi7128+24750+4750+46548(Top 23%)669(Top 5%)669(Top 12%)
25K15.53 mi2.42 mi7026+102735+15735+156947(Top 24%)843(Top 7%)843(Top 15%)
30K18.64 mi3.11 mi6714+312707+28707+285998(Top 21%)676(Top 6%)676(Top 12%)
20M20.00 mi1.36 mi6507+207679+28679+285159(Top 18%)551(Top 5%)551(Top 10%)
21M21.00 mi1.00 mi6398+109669+10669+105853(Top 21%)871(Top 7%)871(Top 16%)
35K21.75 mi0.75 mi6355+43671-2671-26462(Top 23%)1078(Top 9%)1078(Top 20%)
23M23.00 mi1.25 mi6258+97670+1670+15747(Top 20%)902(Top 7%)902(Top 16%)
24M24.00 mi1.00 mi6196+62669+1669+16237(Top 22%)1152(Top 9%)1152(Top 21%)
40K24.85 mi0.85 mi6098+98664+5664+55400(Top 19%)894(Top 7%)894(Top 16%)
25.2M25.20 mi0.35 mi5989+109644+20644+201432(Top 5%)119(Top 1.0%)119(Top 2%)
Finish26.22 mi1.02 mi5900+89641+3641+35785(Top 20%)1180(Top 10%)1180(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7104

Females

758

F18-39

758

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7526

Females

846

F18-39

846

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7104

Females

758

F18-39

758

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6611

Females

682

F18-39

682

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6548

Females

669

F18-39

669

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6947

Females

843

F18-39

843

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5998

Females

676

F18-39

676

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5159

Females

551

F18-39

551

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5853

Females

871

F18-39

871

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6462

Females

1078

F18-39

1078

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5747

Females

902

F18-39

902

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6237

Females

1152

F18-39

1152

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5400

Females

894

F18-39

894

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1432

Females

119

F18-39

119

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5785

Females

1180

F18-39

1180

Passing Analysis

Category:
Athletes Passed
2221
Passed By
499
Net Change
+1722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7622
5K → 10K231168+63#7622#7559
10K → 15K21862+156#7559#7403
15K → 20K27524+251#7403#7152
20K → Half317+24#7152#7128
Half → 25K16664+102#7128#7026
25K → 30K35139+312#7026#6714
30K → 20M2169+207#6714#6507
20M → 21M12314+109#6507#6398
21M → 35K6118+43#6398#6355
35K → 23M12730+97#6355#6258
23M → 24M9230+62#6258#6196
24M → 40K10810+98#6196#6098
40K → 25.2M1090+109#6098#5989
25.2M → Finish11324+89#5989#5900
TOTALS2221499+1722
📊

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