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BOSTON MARATHON 2024

Jazmyn Sylvester-Cross

Bib: 10731•F

VT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Division (F18-39)
#0 / 4660
Top 47%
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:45
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:39:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:45:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:04:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:30:55
↑ 181↓ 1480.2%
20M
8:27/mi
2:42:24
↑ 64↓ 500.2%
21M
10:59/mi
2:53:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:59:38
↑ 17↓ 861.7%
23M
8:21/mi
3:10:06
↑ 23↓ 630.6%
24M
8:29/mi
3:18:35
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:25:56
↓ 200.3%
25.2M
8:56/mi
3:29:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:36:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:44
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:51:12
Pace8:29 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2024:197:5024:19
7:50
-
10K
6.21 mi11:15:3348:327:4924:13
7:48
-0:02
15K
9.32 mi11:39:461:12:457:4824:13
7:48
0:00
20K
12.43 mi12:06:491:39:488:0227:03
8:42
+0:54
Half
13.11 mi12:12:451:45:448:045:56
8:42
0:00
25K
15.53 mi12:31:532:04:528:0219:08
7:53
-0:49
30K
18.64 mi12:57:562:30:558:0626:03
8:23
+0:30
20M
20.00 mi13:09:252:42:248:0711:29
8:27
+0:04
21M
21.00 mi13:20:242:53:238:1510:59
10:59
+2:32
35K
21.75 mi13:26:392:59:388:166:15
8:21
-2:38
23M
23.00 mi13:37:073:10:068:1610:28
8:21
0:00
24M
24.00 mi13:45:363:18:358:168:29
8:29
+0:08
40K
24.85 mi13:52:573:25:568:177:21
8:36
+0:07
25.2M
25.20 mi13:56:023:29:018:183:05
8:56
+0:20
Finish
26.22 mi14:03:573:36:568:177:55
7:46
-1:10

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

7:46 /mi

Average Pace

8:17 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:48

46% of race

Time at Steady Pace

1:43:04

48% of race

Time at Slower Pace

14:04

6% of race

Average Pace: 8:16 /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 mi10:51:2024:197:5024:19
7:50
#13318
10K
6.21 mi11:15:3348:327:4924:13
7:48
#12958
15K
9.32 mi11:39:461:12:457:4824:13
7:48
#12566
20K
12.43 mi12:06:491:39:488:0227:03
8:42
#13641
Half
13.11 mi12:12:451:45:448:045:56
8:42
#13796
25K
15.53 mi12:31:532:04:528:0219:08
7:53
#12999
30K
18.64 mi12:57:562:30:558:0626:03
8:23
#12326
20M
20.00 mi13:09:252:42:248:0711:29
8:27
#12034
21M
21.00 mi13:20:242:53:238:1510:59
10:59
#12335
35K
21.75 mi13:26:392:59:388:166:15
8:21
#12220
23M
23.00 mi13:37:073:10:068:1610:28
8:21
#11905
24M
24.00 mi13:45:363:18:358:168:29
8:29
#11754
40K
24.85 mi13:52:573:25:568:177:21
8:36
#11566
25.2M
25.20 mi13:56:023:29:018:183:05
8:56
#11433
Finish
26.22 mi14:03:573:36:568:177:55
7:46
#11211
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 mi133183903390311890(Top 47%)3183(Top 29%)3183(Top 68%)
10K6.21 mi3.10 mi12958+3603705+1983705+19812611(Top 49%)3541(Top 32%)3541(Top 76%)
15K9.32 mi3.11 mi12566+3923498+2073498+20711890(Top 47%)3183(Top 29%)3183(Top 68%)
20K12.43 mi3.11 mi13641-10754147-6494147-64915872(Top 62%)5514(Top 50%)5514(Top 118%)
Half13.11 mi0.68 mi13796-1554236-894236-8916891(Top 66%)6174(Top 57%)6174(Top 132%)
25K15.53 mi2.42 mi12999+7973806+4303806+4309503(Top 37%)2247(Top 21%)2247(Top 48%)
30K18.64 mi3.11 mi12326+6733534+2723534+27210046(Top 39%)2737(Top 25%)2737(Top 59%)
20M20.00 mi1.36 mi12034+2923427+1073427+1079205(Top 36%)2565(Top 23%)2565(Top 55%)
21M21.00 mi1.00 mi12335-3013655-2283655-22816292(Top 64%)6472(Top 59%)6472(Top 139%)
35K21.75 mi0.75 mi12220+1153632+233632+239954(Top 39%)3217(Top 29%)3217(Top 69%)
23M23.00 mi1.25 mi11905+3153519+1133519+1137650(Top 30%)2228(Top 20%)2228(Top 48%)
24M24.00 mi1.00 mi11754+1513486+333486+339390(Top 37%)3137(Top 29%)3137(Top 67%)
40K24.85 mi0.85 mi11566+1883427+593427+598876(Top 35%)3020(Top 28%)3020(Top 65%)
25.2M25.20 mi0.35 mi11433+1333381+463381+466380(Top 25%)1911(Top 17%)1911(Top 41%)
Finish26.22 mi1.02 mi11211+2223315+663315+667206(Top 28%)2221(Top 20%)2221(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

11890

Females

3183

F18-39

3183

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12611

Females

3541

F18-39

3541

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

11890

Females

3183

F18-39

3183

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15872

Females

5514

F18-39

5514

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16891

Females

6174

F18-39

6174

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9503

Females

2247

F18-39

2247

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10046

Females

2737

F18-39

2737

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9205

Females

2565

F18-39

2565

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16292

Females

6472

F18-39

6472

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9954

Females

3217

F18-39

3217

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7650

Females

2228

F18-39

2228

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9390

Females

3137

F18-39

3137

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8876

Females

3020

F18-39

3020

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6380

Females

1911

F18-39

1911

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7206

Females

2221

F18-39

2221

Passing Analysis

Category:
Athletes Passed
4104
Passed By
1997
Net Change
+2107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13318
5K → 10K504144+360#13318#12958
10K → 15K45462+392#12958#12566
15K → 20K671142-1075#12566#13641
20K → Half13168-155#13641#13796
Half → 25K8003+797#13796#12999
25K → 30K69825+673#12999#12326
30K → 20M30614+292#12326#12034
20M → 21M64365-301#12034#12335
21M → 35K13318+115#12335#12220
35K → 23M3249+315#12220#11905
23M → 24M17120+151#11905#11754
24M → 40K20517+188#11754#11566
40K → 25.2M1341+133#11566#11433
25.2M → Finish2319+222#11433#11211
TOTALS41041997+2107
📊

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