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BOSTON MARATHON 2024

Alyx Schrecengost

MA

Bib: 30382 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:51/mi
27:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:46/mi
54:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:42/mi
1:21:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:18/mi
1:50:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:23/mi
1:57:03
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:56/mi
2:23:34
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:31/mi
2:59:20
↑ 181↓ 1480.2%
138 ft elev
20M
10:31/mi
3:13:38
↑ 64↓ 500.2%
148 ft elev
21M
13:53/mi
3:27:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:26/mi
3:35:19
↑ 17↓ 861.7%
156 ft elev
23M
12:52/mi
3:51:26
↑ 23↓ 630.6%
116 ft elev
24M
12:56/mi
4:04:22
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:54/mi
4:15:24
↓ 200.3%
20 ft elev
25.2M
13:46/mi
4:20:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:02/mi
4:31:24
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:57:038:56 /mi⚡ faster
2nd Half
2:34:2111:46 /mi+31.9%
Positive split — 31.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5827:318:5127:31
8:51
-
10K
6.21 mi12:20:1254:458:4927:14
8:46
-0:05
15K
9.32 mi12:47:131:21:468:4627:01
8:42
-0:04
20K
12.43 mi13:16:061:50:398:5428:53
9:18
+0:36
Half
13.11 mi13:22:301:57:038:566:24
9:23
+0:05
25K
15.53 mi13:49:012:23:349:1526:31
10:56
+1:33
30K
18.64 mi14:24:472:59:209:3735:46
11:31
+0:35
20M
20.00 mi14:39:053:13:389:4114:18
10:31
-1:00
21M
21.00 mi14:52:583:27:319:5313:53
13:53
+3:22
35K
21.75 mi15:00:463:35:199:547:48
10:26
-3:27
23M
23.00 mi15:16:533:51:2610:0416:07
12:52
+2:26
24M
24.00 mi15:29:494:04:2210:1112:56
12:56
+0:04
40K
24.85 mi15:40:514:15:2410:1711:02
12:54
-0:02
25.2M
25.20 mi15:45:364:20:0910:194:45
13:46
+0:52
Finish
26.22 mi15:56:514:31:2410:2211:15
11:02
-2:44

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

8:42 /mi

Average Pace

10:22 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:57:03

43% of race

Time at Steady Pace

1:35:38

35% of race

Time at Slower Pace

58:43

22% of race

Average Pace: 10:21 /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 mi11:52:5827:318:5127:31
8:51
#19520
10K
6.21 mi12:20:1254:458:4927:14
8:46
#19109
15K
9.32 mi12:47:131:21:468:4627:01
8:42
#18580
20K
12.43 mi13:16:061:50:398:5428:53
9:18
#18519
Half
13.11 mi13:22:301:57:038:566:24
9:23
#18588
25K
15.53 mi13:49:012:23:349:1526:31
10:56
#19323
30K
18.64 mi14:24:472:59:209:3735:46
11:31
#19749
20M
20.00 mi14:39:053:13:389:4114:18
10:31
#19598
21M
21.00 mi14:52:583:27:319:5313:53
13:53
#19770
35K
21.75 mi15:00:463:35:199:547:48
10:26
#19697
23M
23.00 mi15:16:533:51:2610:0416:07
12:52
#19906
24M
24.00 mi15:29:494:04:2210:1112:56
12:56
#20090
40K
24.85 mi15:40:514:15:2410:1711:02
12:54
#20174
25.2M
25.20 mi15:45:364:20:0910:194:45
13:46
#20201
Finish
26.22 mi15:56:514:31:2410:2211:15
11:02
#20250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi19520763876381748164236423
10K6.21 mi3.10 mi19109+4117386+2527386+2521870971477147
15K9.32 mi3.11 mi18580+5297071+3157071+3151748164236423
20K12.43 mi3.11 mi18519+617026+457026+451855370247024
Half13.11 mi0.68 mi18588-697069-437069-431970777287728
25K15.53 mi2.42 mi19323-7357477-4087477-4082138586798679
30K18.64 mi3.11 mi19749-4267761-2847761-2842104886638663
20M20.00 mi1.36 mi19598+1517717+447717+441806872447244
21M21.00 mi1.00 mi19770-1727827-1107827-1102218193799379
35K21.75 mi0.75 mi19697+737809+187809+181840275447544
23M23.00 mi1.25 mi19906-2097937-1287937-1282233695229522
24M24.00 mi1.00 mi20090-1848060-1238060-1232298898919891
40K24.85 mi0.85 mi20174-848126-668126-662212695189518
25.2M25.20 mi0.35 mi20201-278146-208146-202122891039103
Finish26.22 mi1.02 mi20250-498186-408186-402143591769176

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17481

Females

6423

F18-39

6423

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18709

Females

7147

F18-39

7147

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17481

Females

6423

F18-39

6423

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

18553

Females

7024

F18-39

7024

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

19707

Females

7728

F18-39

7728

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

21385

Females

8679

F18-39

8679

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21048

Females

8663

F18-39

8663

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18068

Females

7244

F18-39

7244

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22181

Females

9379

F18-39

9379

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

18402

Females

7544

F18-39

7544

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

22336

Females

9522

F18-39

9522

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

22988

Females

9891

F18-39

9891

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22126

Females

9518

F18-39

9518

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21228

Females

9103

F18-39

9103

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21435

Females

9176

F18-39

9176

Passing Analysis

Category:
Athletes Passed
1973
Passed By
2703
Net Change
-730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19520
5K → 10K511100+411#19520#19109
10K → 15K55829+529#19109#18580
15K → 20K280219+61#18580#18519
20K → Half2493-69#18519#18588
Half → 25K46781-735#18588#19323
25K → 30K86512-426#19323#19749
30K → 20M17524+151#19749#19598
20M → 21M33205-172#19598#19770
21M → 35K9421+73#19770#19697
35K → 23M40249-209#19697#19906
23M → 24M26210-184#19906#20090
24M → 40K40124-84#20090#20174
40K → 25.2M1946-27#20174#20201
25.2M → Finish4190-49#20201#20250
TOTALS19732703-730

Passing Charts

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