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BOSTON MARATHON 2023

Adalia Cantu

Bib: 9497•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 12%
Division (F40-44)
#0 / 1878
Top 24%
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
7:13/mi
22:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
44:07
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:05:06
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:27:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:32:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:50:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:16:22
↑ 181↓ 1480.2%
20M
10:31/mi
2:30:39
↑ 64↓ 500.2%
21M
9:33/mi
2:40:12
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
2:46:36
↑ 17↓ 861.7%
23M
10:11/mi
2:59:21
↑ 23↓ 630.6%
24M
8:38/mi
3:07:59
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:15:21
↓ 200.3%
25.2M
9:23/mi
3:18:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:27:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:54:46
Pace8:45 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0722:247:1322:24
7:13
-
10K
6.21 mi11:09:5044:077:0621:43
6:59
-0:14
15K
9.32 mi11:30:491:05:066:5920:59
6:45
-0:14
20K
12.43 mi11:53:141:27:317:0322:25
7:13
+0:28
Half
13.11 mi11:58:021:32:197:034:48
7:02
-0:11
25K
15.53 mi12:15:581:50:157:0617:56
7:24
+0:22
30K
18.64 mi12:42:052:16:227:1926:07
8:24
+1:00
20M
20.00 mi12:56:222:30:397:3214:17
10:31
+2:07
21M
21.00 mi13:05:552:40:127:389:33
9:33
-0:58
35K
21.75 mi13:12:192:46:367:406:24
8:33
-1:00
23M
23.00 mi13:25:042:59:217:4812:45
10:11
+1:38
24M
24.00 mi13:33:423:07:597:508:38
8:38
-1:33
40K
24.85 mi13:41:043:15:217:527:22
8:37
-0:01
25.2M
25.20 mi13:44:183:18:357:533:14
9:23
+0:46
Finish
26.22 mi13:52:483:27:057:548:30
8:20
-1:03

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

7:54 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:15

53% of race

Time at Steady Pace

57:01

28% of race

Time at Slower Pace

39:49

19% of race

Average Pace: 7:54 /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 mi10:48:0722:247:1322:24
7:13
#7573
10K
6.21 mi11:09:5044:077:0621:43
6:59
#7116
15K
9.32 mi11:30:491:05:066:5920:59
6:45
#6407
20K
12.43 mi11:53:141:27:317:0322:25
7:13
#6595
Half
13.11 mi11:58:021:32:197:034:48
7:02
#6611
25K
15.53 mi12:15:581:50:157:0617:56
7:24
#6755
30K
18.64 mi12:42:052:16:227:1926:07
8:24
#7748
20M
20.00 mi12:56:222:30:397:3214:17
10:31
#9216
21M
21.00 mi13:05:552:40:127:389:33
9:33
#9667
35K
21.75 mi13:12:192:46:367:406:24
8:33
#9885
23M
23.00 mi13:25:042:59:217:4812:45
10:11
#10792
24M
24.00 mi13:33:423:07:597:508:38
8:38
#11005
40K
24.85 mi13:41:043:15:217:527:22
8:37
#11112
25.2M
25.20 mi13:44:183:18:357:533:14
9:23
#11177
Finish
26.22 mi13:52:483:27:057:548:30
8:20
#11323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi75738678674678(Top 18%)309(Top 3%)309(Top 16%)
10K6.21 mi3.10 mi7116+457761+106761+1066774(Top 25%)698(Top 6%)698(Top 37%)
15K9.32 mi3.11 mi6407+709607+154607+1544678(Top 18%)309(Top 3%)309(Top 16%)
20K12.43 mi3.11 mi6595-188657-50657-507211(Top 27%)849(Top 7%)849(Top 45%)
Half13.11 mi0.68 mi6611-16664-7664-76837(Top 26%)734(Top 6%)734(Top 39%)
25K15.53 mi2.42 mi6755-144698-34698-348023(Top 30%)1203(Top 11%)1203(Top 64%)
30K18.64 mi3.11 mi7748-9931024-3261024-32613734(Top 52%)4168(Top 36%)4168(Top 222%)
20M20.00 mi1.36 mi9216-14681598-5741598-57421758(Top 82%)8847(Top 77%)8847(Top 471%)
21M21.00 mi1.00 mi9667-4511792-1941792-19416204(Top 61%)5732(Top 50%)5732(Top 305%)
35K21.75 mi0.75 mi9885-2181912-1201912-12015597(Top 59%)5456(Top 48%)5456(Top 291%)
23M23.00 mi1.25 mi10792-9072403-4912403-49120516(Top 77%)8238(Top 72%)8238(Top 439%)
24M24.00 mi1.00 mi11005-2132528-1252528-12515263(Top 57%)5375(Top 47%)5375(Top 286%)
40K24.85 mi0.85 mi11112-1072607-792607-7914056(Top 53%)4767(Top 42%)4767(Top 254%)
25.2M25.20 mi0.35 mi11177-652656-492656-4914572(Top 55%)5038(Top 44%)5038(Top 268%)
Finish26.22 mi1.02 mi11323-1462752-962752-9614352(Top 54%)4914(Top 43%)4914(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4678

Females

309

F40-44

309

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6774

Females

698

F40-44

698

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4678

Females

309

F40-44

309

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7211

Females

849

F40-44

849

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6837

Females

734

F40-44

734

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8023

Females

1203

F40-44

1203

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13734

Females

4168

F40-44

4168

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21758

Females

8847

F40-44

8847

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16204

Females

5732

F40-44

5732

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15597

Females

5456

F40-44

5456

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20516

Females

8238

F40-44

8238

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15263

Females

5375

F40-44

5375

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14056

Females

4767

F40-44

4767

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14572

Females

5038

F40-44

5038

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14352

Females

4914

F40-44

4914

Passing Analysis

Category:
Athletes Passed
1510
Passed By
5258
Net Change
-3750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7573
5K → 10K51457+457#7573#7116
10K → 15K7112+709#7116#6407
15K → 20K57245-188#6407#6595
20K → Half1228-16#6595#6611
Half → 25K44188-144#6611#6755
25K → 30K111004-993#6755#7748
30K → 20M41472-1468#7748#9216
20M → 21M19470-451#9216#9667
21M → 35K13231-218#9667#9885
35K → 23M7912-907#9885#10792
23M → 24M24237-213#10792#11005
24M → 40K40147-107#11005#11112
40K → 25.2M2287-65#11112#11177
25.2M → Finish32178-146#11177#11323
TOTALS15105258-3750
📊

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