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BOSTON MARATHON 2023

Brook Santangelo

Bib: 15387•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
48:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:13:18
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:37:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:42:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:01:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:26:08
↑ 181↓ 1480.2%
20M
7:54/mi
2:36:52
↑ 64↓ 500.2%
21M
8:07/mi
2:44:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:50:37
↑ 17↓ 861.7%
23M
7:34/mi
3:00:05
↑ 23↓ 630.6%
24M
7:07/mi
3:07:12
↓ 821.3%
40K· 24.85 mi
7:10/mi
3:13:20
↓ 200.3%
25.2M
7:27/mi
3:15:54
↑ 13↓ 160.2%
Finish· 26.22 mi
6:39/mi
3:22:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0024:197:5024:19
7:50
-
10K
6.21 mi11:19:3048:497:5124:30
7:53
+0:03
15K
9.32 mi11:43:591:13:187:5224:30
7:53
0:00
20K
12.43 mi12:07:501:37:097:4923:51
7:41
-0:12
Half
13.11 mi12:13:051:42:247:495:15
7:42
+0:01
25K
15.53 mi12:31:562:01:157:4818:51
7:46
+0:04
30K
18.64 mi12:56:492:26:087:5024:53
8:01
+0:15
20M
20.00 mi13:07:332:36:527:5110:44
7:54
-0:07
21M
21.00 mi13:15:402:44:597:518:07
8:07
+0:13
35K
21.75 mi13:21:182:50:377:515:38
7:32
-0:35
23M
23.00 mi13:30:463:00:057:509:28
7:34
+0:02
24M
24.00 mi13:37:533:07:127:487:07
7:07
-0:27
40K
24.85 mi13:44:013:13:207:476:08
7:10
+0:03
25.2M
25.20 mi13:46:353:15:547:462:34
7:27
+0:17
Finish
26.22 mi13:53:223:22:417:446:47
6:39
-0:48

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

6:39 /mi

Average Pace

7:44 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:36

11% of race

Time at Steady Pace

2:16:21

67% of race

Time at Slower Pace

43:44

22% of race

Average Pace: 7:44 /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 mi10:55:0024:197:5024:19
7:50
#12615
10K
6.21 mi11:19:3048:497:5124:30
7:53
#13228
15K
9.32 mi11:43:591:13:187:5224:30
7:53
#13269
20K
12.43 mi12:07:501:37:097:4923:51
7:41
#12548
Half
13.11 mi12:13:051:42:247:495:15
7:42
#12504
25K
15.53 mi12:31:562:01:157:4818:51
7:46
#12220
30K
18.64 mi12:56:492:26:087:5024:53
8:01
#11933
20M
20.00 mi13:07:332:36:527:5110:44
7:54
#11739
21M
21.00 mi13:15:402:44:597:518:07
8:07
#11487
35K
21.75 mi13:21:182:50:377:515:38
7:32
#11352
23M
23.00 mi13:30:463:00:057:509:28
7:34
#11033
24M
24.00 mi13:37:533:07:127:487:07
7:07
#10739
40K
24.85 mi13:44:013:13:207:476:08
7:10
#10471
25.2M
25.20 mi13:46:353:15:547:462:34
7:27
#10317
Finish
26.22 mi13:53:223:22:417:446:47
6:39
#9948
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 mi126153221322113385(Top 50%)3723(Top 33%)3723(Top 76%)
10K6.21 mi3.10 mi13228-6133580-3593580-35913840(Top 52%)3955(Top 35%)3955(Top 81%)
15K9.32 mi3.11 mi13269-413615-353615-3513385(Top 50%)3723(Top 33%)3723(Top 76%)
20K12.43 mi3.11 mi12548+7213225+3903225+39010736(Top 40%)2273(Top 20%)2273(Top 47%)
Half13.11 mi0.68 mi12504+443203+223203+2211856(Top 45%)2808(Top 25%)2808(Top 57%)
25K15.53 mi2.42 mi12220+2843061+1423061+14210902(Top 41%)2431(Top 21%)2431(Top 50%)
30K18.64 mi3.11 mi11933+2872941+1202941+12010982(Top 41%)2625(Top 23%)2625(Top 54%)
20M20.00 mi1.36 mi11739+1942846+952846+959572(Top 36%)2048(Top 18%)2048(Top 42%)
21M21.00 mi1.00 mi11487+2522720+1262720+1268148(Top 31%)1586(Top 14%)1586(Top 32%)
35K21.75 mi0.75 mi11352+1352656+642656+648795(Top 33%)1828(Top 16%)1828(Top 37%)
23M23.00 mi1.25 mi11033+3192512+1442512+1446841(Top 26%)1124(Top 10%)1124(Top 23%)
24M24.00 mi1.00 mi10739+2942396+1162396+1165325(Top 20%)669(Top 6%)669(Top 14%)
40K24.85 mi0.85 mi10471+2682297+992297+994788(Top 18%)592(Top 5%)592(Top 12%)
25.2M25.20 mi0.35 mi10317+1542223+742223+743724(Top 14%)402(Top 4%)402(Top 8%)
Finish26.22 mi1.02 mi9948+3692069+1542069+1543315(Top 12%)338(Top 3%)338(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13385

Females

3723

F18-39

3723

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13840

Females

3955

F18-39

3955

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13385

Females

3723

F18-39

3723

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10736

Females

2273

F18-39

2273

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11856

Females

2808

F18-39

2808

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10902

Females

2431

F18-39

2431

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10982

Females

2625

F18-39

2625

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9572

Females

2048

F18-39

2048

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8148

Females

1586

F18-39

1586

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8795

Females

1828

F18-39

1828

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6841

Females

1124

F18-39

1124

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5325

Females

669

F18-39

669

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4788

Females

592

F18-39

592

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3724

Females

402

F18-39

402

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3315

Females

338

F18-39

338

Passing Analysis

Category:
Athletes Passed
3762*
Passed By
1095
Net Change
+2667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12615
5K → 10K110723-613#12615#13228
10K → 15K190231-41#13228#13269
15K → 20K7276+721#13269#12548
20K → Half6117+44#12548#12504
Half → 25K29713+284#12504#12220
25K → 30K35770+287#12220#11933
30K → 20M21319+194#11933#11739
20M → 21M2564+252#11739#11487
21M → 35K1416+135#11487#11352
35K → 23M3223+319#11352#11033
23M → 24M2951+294#11033#10739
24M → 40K2691+268#10739#10471
40K → 25.2M1540+154#10471#10317
25.2M → Finish370*1+369#10317#9948
TOTALS3762*1095+2667

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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