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BOSTON MARATHON 2026

Heidi Santa Cruz

Bib: 10819•F

FL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 22%
Gender (Female)
#0 / 12578
Top 6%
Age Group (F18-39)
#0 / 5716
Top 11%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:07
Rank: #6860
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
42:22
Rank: #7077 (-217)
5K → 10K
21:15 | 6:51/mi
15K· 9.32 mi
1:03:43
Rank: #7228 (-151)
10K → 15K
21:21 | 6:53/mi
20K· 12.43 mi
1:25:13
Rank: #7203 (+25)
15K → 20K
21:30 | 6:56/mi
HALF· 13.11 mi
1:29:50
Rank: #7183 (+20)
20K → HALF
4:37 | 6:47/mi
25K· 15.53 mi
1:46:56
Rank: #7272 (-89)
HALF → 25K
17:06 | 7:04/mi
30K· 18.64 mi
2:09:09
Rank: #7183 (+89)
25K → 30K
22:13 | 7:10/mi
20M
2:18:48
Rank: #7074 (+109)
30K → 20M
9:39 | 7:07/mi
21M
2:26:18
Rank: #6990 (+84)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:31:28
Rank: #6945 (+45)
21M → 35K
5:10 | 6:55/mi
23M
2:40:24
Rank: #6850 (+95)
35K → 23M
8:56 | 7:09/mi
24M
2:47:13
Rank: #6730 (+120)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:53:05
Rank: #6600 (+130)
24M → 40K
5:52 | 6:52/mi
25.2M
2:55:35
Rank: #6543 (+57)
40K → 25.2M
2:30 | 7:15/mi
FINISH· 26.22 mi
3:02:03
Rank: #6368 (+175)
25.2M → FINISH
6:28 | 6:21/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:50
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:32:13
Pace7:03 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:1821:076:4821:07
6:48
-
10K
6.21 mi10:59:3342:226:5021:15
6:51
+0:03
15K
9.32 mi11:20:541:03:436:5121:21
6:53
+0:02
20K
12.43 mi11:42:241:25:136:5221:30
6:56
+0:03
HALF
13.11 mi11:47:011:29:506:524:37
6:47
-0:09
25K
15.53 mi12:04:071:46:566:5417:06
7:04
+0:17
30K
18.64 mi12:26:202:09:096:5622:13
7:10
+0:06
20M
20.00 mi12:35:592:18:486:579:39
7:07
-0:03
21M
21.00 mi12:43:292:26:186:597:30
7:30
+0:23
35K
21.75 mi12:48:392:31:286:585:10
6:55
-0:35
23M
23.00 mi12:57:352:40:246:598:56
7:09
+0:14
24M
24.00 mi13:04:242:47:136:596:49
6:49
-0:20
40K
24.85 mi13:10:162:53:056:585:52
6:52
+0:03
25.2M
25.20 mi13:12:462:55:356:592:30
7:15
+0:23
FINISH
26.22 mi13:19:143:02:036:576:28
6:21
-0:54

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:21 /mi

Average Pace

6:57 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:54:09

63% of race

Time at Steady Pace

1:00:24

33% of race

Time at Slower Pace

7:30

4% of race

Average Pace: 6:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:38:1821:076:4821:07
6:48
#6860
10K
6.21 mi10:59:3342:226:5021:15
6:51
#7077
15K
9.32 mi11:20:541:03:436:5121:21
6:53
#7228
20K
12.43 mi11:42:241:25:136:5221:30
6:56
#7203
HALF
13.11 mi11:47:011:29:506:524:37
6:47
#7183
25K
15.53 mi12:04:071:46:566:5417:06
7:04
#7272
30K
18.64 mi12:26:202:09:096:5622:13
7:10
#7183
20M
20.00 mi12:35:592:18:486:579:39
7:07
#7074
21M
21.00 mi12:43:292:26:186:597:30
7:30
#6990
35K
21.75 mi12:48:392:31:286:585:10
6:55
#6945
23M
23.00 mi12:57:352:40:246:598:56
7:09
#6850
24M
24.00 mi13:04:242:47:136:596:49
6:49
#6730
40K
24.85 mi13:10:162:53:056:585:52
6:52
#6600
25.2M
25.20 mi13:12:462:55:356:592:30
7:15
#6543
FINISH
26.22 mi13:19:143:02:036:576:28
6:21
#6368
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68607257257568(Top 26%)976(Top 8%)976(Top 17%)
10K6.21 mi3.10 mi7077-217797-72797-727386(Top 25%)900(Top 7%)900(Top 16%)
15K9.32 mi3.11 mi7228-151850-53850-537568(Top 26%)976(Top 8%)976(Top 17%)
20K12.43 mi3.11 mi7203+25856-6856-67277(Top 25%)898(Top 7%)898(Top 16%)
HALF13.11 mi0.68 mi7183+208568566950(Top 24%)796(Top 6%)796(Top 14%)
25K15.53 mi2.42 mi7272-89884-28884-287782(Top 27%)1131(Top 9%)1131(Top 20%)
30K18.64 mi3.11 mi7183+89867+17867+177056(Top 24%)1007(Top 8%)1007(Top 18%)
20M20.00 mi1.36 mi7074+109855+12855+126309(Top 22%)842(Top 7%)842(Top 15%)
21M21.00 mi1.00 mi6990+84850+5850+56505(Top 22%)1023(Top 8%)1023(Top 18%)
35K21.75 mi0.75 mi6945+45839+11839+116482(Top 22%)975(Top 8%)975(Top 17%)
23M23.00 mi1.25 mi6850+95831+8831+86398(Top 22%)1014(Top 8%)1014(Top 18%)
24M24.00 mi1.00 mi6730+120811+20811+205294(Top 18%)735(Top 6%)735(Top 13%)
40K24.85 mi0.85 mi6600+130793+18793+184640(Top 16%)610(Top 5%)610(Top 11%)
25.2M25.20 mi0.35 mi6543+57779+14779+143928(Top 14%)505(Top 4%)505(Top 9%)
FINISH26.22 mi1.02 mi6368+175742+37742+373292(Top 11%)371(Top 3%)371(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7568

Females

976

F18-39

976

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7386

Females

900

F18-39

900

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7568

Females

976

F18-39

976

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7277

Females

898

F18-39

898

20K→HALF

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6950

Females

796

F18-39

796

HALF→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7782

Females

1131

F18-39

1131

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

7056

Females

1007

F18-39

1007

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6309

Females

842

F18-39

842

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6505

Females

1023

F18-39

1023

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6482

Females

975

F18-39

975

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6398

Females

1014

F18-39

1014

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5294

Females

735

F18-39

735

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4640

Females

610

F18-39

610

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3928

Females

505

F18-39

505

25.2M→FINISH

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3292

Females

371

F18-39

371

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1619
Passed By
1127
Net Change
+492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6860
5K → 10K136353-217#6860#7077
10K → 15K98249-151#7077#7228
15K → 20K164139+25#7228#7203
20K → HALF3818+20#7203#7183
HALF → 25K82171-89#7183#7272
25K → 30K18192+89#7272#7183
30K → 20M13122+109#7183#7074
20M → 21M10218+84#7074#6990
21M → 35K6621+45#6990#6945
35K → 23M12328+95#6945#6850
23M → 24M1244+120#6850#6730
24M → 40K1388+130#6730#6600
40K → 25.2M570+57#6600#6543
25.2M → FINISH1794+175#6543#6368
TOTALS16191127+492
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing