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BOSTON MARATHON 2024

Heidi Santa Cruz

Bib: 9248•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Division (F18-39)
#0 / 4660
Top 13%
Race Day Weather
55°/45°F
scattered 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
6:45/mi
20:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:03:56
↑ 67↓ 78
20K· 12.43 mi
7:07/mi
1:26:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:30:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:48:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:12:13
↑ 181↓ 1480.2%
20M
7:41/mi
2:22:40
↑ 64↓ 500.2%
21M
8:35/mi
2:31:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:37:10
↑ 17↓ 861.7%
23M
8:11/mi
2:47:25
↑ 23↓ 630.6%
24M
8:17/mi
2:55:42
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:02:44
↓ 200.3%
25.2M
8:45/mi
3:05:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:13:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2820:576:4520:57
6:45
-
10K
6.21 mi11:07:4342:126:4721:15
6:50
+0:05
15K
9.32 mi11:29:271:03:566:5221:44
7:00
+0:10
20K
12.43 mi11:51:351:26:046:5622:08
7:07
+0:07
Half
13.11 mi11:56:221:30:516:564:47
7:01
-0:06
25K
15.53 mi12:13:541:48:236:5917:32
7:14
+0:13
30K
18.64 mi12:37:442:12:137:0623:50
7:40
+0:26
20M
20.00 mi12:48:112:22:407:0810:27
7:41
+0:01
21M
21.00 mi12:56:462:31:157:128:35
8:35
+0:54
35K
21.75 mi13:02:412:37:107:145:55
7:55
-0:40
23M
23.00 mi13:12:562:47:257:1710:15
8:11
+0:16
24M
24.00 mi13:21:132:55:427:198:17
8:17
+0:06
40K
24.85 mi13:28:153:02:447:217:02
8:14
-0:03
25.2M
25.20 mi13:31:163:05:457:223:01
8:45
+0:31
Finish
26.22 mi13:39:063:13:357:237:50
7:41
-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

6:45 /mi

Average Pace

7:23 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:23

56% of race

Time at Steady Pace

48:02

25% of race

Time at Slower Pace

37:10

19% of race

Average Pace: 7:23 /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 mi10:46:2820:576:4520:57
6:45
#5190
10K
6.21 mi11:07:4342:126:4721:15
6:50
#5357
15K
9.32 mi11:29:271:03:566:5221:44
7:00
#5656
20K
12.43 mi11:51:351:26:046:5622:08
7:07
#5700
Half
13.11 mi11:56:221:30:516:564:47
7:01
#5709
25K
15.53 mi12:13:541:48:236:5917:32
7:14
#5591
30K
18.64 mi12:37:442:12:137:0623:50
7:40
#5535
20M
20.00 mi12:48:112:22:407:0810:27
7:41
#5434
21M
21.00 mi12:56:462:31:157:128:35
8:35
#5422
35K
21.75 mi13:02:412:37:107:145:55
7:55
#5422
23M
23.00 mi13:12:562:47:257:1710:15
8:11
#5397
24M
24.00 mi13:21:132:55:427:198:17
8:17
#5441
40K
24.85 mi13:28:153:02:447:217:02
8:14
#5429
25.2M
25.20 mi13:31:163:05:457:223:01
8:45
#5406
Finish
26.22 mi13:39:063:13:357:237:50
7:41
#5370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi51903913916195(Top 24%)660(Top 6%)660(Top 14%)
10K6.21 mi3.10 mi5357-167418-27418-275541(Top 22%)464(Top 4%)464(Top 10%)
15K9.32 mi3.11 mi5656-299480-62480-626195(Top 24%)660(Top 6%)660(Top 14%)
20K12.43 mi3.11 mi5700-44521-41521-415964(Top 23%)660(Top 6%)660(Top 14%)
Half13.11 mi0.68 mi5709-9525-4525-45888(Top 23%)633(Top 6%)633(Top 14%)
25K15.53 mi2.42 mi5591+118517+8517+85491(Top 21%)642(Top 6%)642(Top 14%)
30K18.64 mi3.11 mi5535+56570-53570-535984(Top 23%)961(Top 9%)961(Top 21%)
20M20.00 mi1.36 mi5434+101567+3567+35169(Top 20%)806(Top 7%)806(Top 17%)
21M21.00 mi1.00 mi5422+12592-25592-256634(Top 26%)1550(Top 14%)1550(Top 33%)
35K21.75 mi0.75 mi5422615-23615-237219(Top 28%)1841(Top 17%)1841(Top 40%)
23M23.00 mi1.25 mi5397+25644-29644-296733(Top 26%)1765(Top 16%)1765(Top 38%)
24M24.00 mi1.00 mi5441-44682-38682-388215(Top 32%)2579(Top 24%)2579(Top 55%)
40K24.85 mi0.85 mi5429+12703-21703-216945(Top 27%)2088(Top 19%)2088(Top 45%)
25.2M25.20 mi0.35 mi5406+23710-7710-75467(Top 21%)1461(Top 13%)1461(Top 31%)
Finish26.22 mi1.02 mi5370+36725-15725-156669(Top 26%)1952(Top 18%)1952(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6195

Females

660

F18-39

660

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5541

Females

464

F18-39

464

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6195

Females

660

F18-39

660

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

5964

Females

660

F18-39

660

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

5888

Females

633

F18-39

633

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5491

Females

642

F18-39

642

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

5984

Females

961

F18-39

961

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5169

Females

806

F18-39

806

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6634

Females

1550

F18-39

1550

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7219

Females

1841

F18-39

1841

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6733

Females

1765

F18-39

1765

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8215

Females

2579

F18-39

2579

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6945

Females

2088

F18-39

2088

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5467

Females

1461

F18-39

1461

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6669

Females

1952

F18-39

1952

Passing Analysis

Category:
Athletes Passed
1515
Passed By
1695
Net Change
-180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5190
5K → 10K132299-167#5190#5357
10K → 15K68367-299#5357#5656
15K → 20K159203-44#5656#5700
20K → Half2837-9#5700#5709
Half → 25K20183+118#5709#5591
25K → 30K236180+56#5591#5535
30K → 20M13938+101#5535#5434
20M → 21M9482+12#5434#5422
21M → 35K67670#5422#5422
35K → 23M11388+25#5422#5397
23M → 24M64108-44#5397#5441
24M → 40K7866+12#5441#5429
40K → 25.2M4724+23#5429#5406
25.2M → Finish8953+36#5406#5370
TOTALS15151695-180
📊

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