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BOSTON MARATHON 2024

Sarah Rozelle

Bib: 24515•F

MA

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

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
9:53/mi
30:43
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
1:00:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:28:56
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:58:11
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:04:34
↑ 19↓ 370.5%
25K· 15.53 mi
10:08/mi
2:29:08
↑ 66↓ 880.2%
30K· 18.64 mi
10:47/mi
3:02:39
↑ 181↓ 1480.2%
20M
10:23/mi
3:16:46
↑ 64↓ 500.2%
21M
12:11/mi
3:28:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:27/mi
3:36:46
↑ 17↓ 861.7%
23M
11:16/mi
3:50:53
↑ 23↓ 630.6%
24M
10:53/mi
4:01:46
↓ 821.3%
40K· 24.85 mi
11:02/mi
4:11:12
↓ 200.3%
25.2M
16:00/mi
4:16:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:11/mi
4:27:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:34
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:22:32
Pace10:52 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0530:439:5330:43
9:53
-
10K
6.21 mi12:15:241:00:029:4029:19
9:26
-0:27
15K
9.32 mi12:44:181:28:569:3228:54
9:18
-0:08
20K
12.43 mi13:13:331:58:119:3129:15
9:25
+0:07
Half
13.11 mi13:19:562:04:349:306:23
9:21
-0:04
25K
15.53 mi13:44:302:29:089:3624:34
10:08
+0:47
30K
18.64 mi14:18:013:02:399:4833:31
10:47
+0:39
20M
20.00 mi14:32:083:16:469:5014:07
10:23
-0:24
21M
21.00 mi14:44:193:28:579:5712:11
12:11
+1:48
35K
21.75 mi14:52:083:36:469:587:49
10:27
-1:44
23M
23.00 mi15:06:153:50:5310:0214:07
11:16
+0:49
24M
24.00 mi15:17:084:01:4610:0410:53
10:53
-0:23
40K
24.85 mi15:26:344:11:1210:069:26
11:02
+0:09
25.2M
25.20 mi15:32:054:16:4310:115:31
16:00
+4:58
Finish
26.22 mi15:42:284:27:0610:1210:23
10:11
-5:49

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

9:18 /mi

Average Pace

10:12 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:51

35% of race

Time at Steady Pace

2:21:26

53% of race

Time at Slower Pace

31:49

12% of race

Average Pace: 10:11 /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 mi11:46:0530:439:5330:43
9:53
#22721
10K
6.21 mi12:15:241:00:029:4029:19
9:26
#21990
15K
9.32 mi12:44:181:28:569:3228:54
9:18
#21350
20K
12.43 mi13:13:331:58:119:3129:15
9:25
#20719
Half
13.11 mi13:19:562:04:349:306:23
9:21
#20660
25K
15.53 mi13:44:302:29:089:3624:34
10:08
#20420
30K
18.64 mi14:18:013:02:399:4833:31
10:47
#20222
20M
20.00 mi14:32:083:16:469:5014:07
10:23
#20035
21M
21.00 mi14:44:193:28:579:5712:11
12:11
#19978
35K
21.75 mi14:52:083:36:469:587:49
10:27
#19916
23M
23.00 mi15:06:153:50:5310:0214:07
11:16
#19841
24M
24.00 mi15:17:084:01:4610:0410:53
10:53
#19782
40K
24.85 mi15:26:344:11:1210:069:26
11:02
#19708
25.2M
25.20 mi15:32:054:16:4310:115:31
16:00
#19828
Finish
26.22 mi15:42:284:27:0610:1210:23
10:11
#19782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227219261926120037(Top 78%)7810(Top 71%)7810(Top 168%)
10K6.21 mi3.10 mi21990+7318904+3578904+35721185(Top 83%)8472(Top 78%)8472(Top 182%)
15K9.32 mi3.11 mi21350+6408560+3448560+34420037(Top 78%)7810(Top 71%)7810(Top 168%)
20K12.43 mi3.11 mi20719+6318207+3538207+35318926(Top 74%)7237(Top 66%)7237(Top 155%)
Half13.11 mi0.68 mi20660+598184+238184+2319643(Top 77%)7684(Top 70%)7684(Top 165%)
25K15.53 mi2.42 mi20420+2408066+1188066+11819466(Top 76%)7629(Top 70%)7629(Top 164%)
30K18.64 mi3.11 mi20222+1988005+618005+6119490(Top 76%)7842(Top 72%)7842(Top 168%)
20M20.00 mi1.36 mi20035+1877940+657940+6517687(Top 69%)7059(Top 65%)7059(Top 151%)
21M21.00 mi1.00 mi19978+577928+127928+1219223(Top 75%)7922(Top 73%)7922(Top 170%)
35K21.75 mi0.75 mi19916+627918+107918+1018461(Top 72%)7570(Top 69%)7570(Top 162%)
23M23.00 mi1.25 mi19841+757908+107908+1019129(Top 75%)7952(Top 73%)7952(Top 171%)
24M24.00 mi1.00 mi19782+597889+197889+1918940(Top 74%)7926(Top 73%)7926(Top 170%)
40K24.85 mi0.85 mi19708+747868+217868+2118190(Top 71%)7597(Top 70%)7597(Top 163%)
25.2M25.20 mi0.35 mi19828-1207939-717939-7124058(Top 94%)10391(Top 95%)10391(Top 223%)
Finish26.22 mi1.02 mi19782+467931+87931+819061(Top 75%)7998(Top 73%)7998(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20037

Females

7810

F18-39

7810

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21185

Females

8472

F18-39

8472

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20037

Females

7810

F18-39

7810

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18926

Females

7237

F18-39

7237

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

19643

Females

7684

F18-39

7684

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

19466

Females

7629

F18-39

7629

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

19490

Females

7842

F18-39

7842

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17687

Females

7059

F18-39

7059

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19223

Females

7922

F18-39

7922

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

18461

Females

7570

F18-39

7570

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19129

Females

7952

F18-39

7952

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18940

Females

7926

F18-39

7926

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18190

Females

7597

F18-39

7597

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24058

Females

10391

F18-39

10391

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19061

Females

7998

F18-39

7998

Passing Analysis

Category:
Athletes Passed
3472
Passed By
533
Net Change
+2939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22721
5K → 10K76130+731#22721#21990
10K → 15K6444+640#21990#21350
15K → 20K6398+631#21350#20719
20K → Half689+59#20719#20660
Half → 25K28545+240#20660#20420
25K → 30K27577+198#20420#20222
30K → 20M20114+187#20222#20035
20M → 21M11659+57#20035#19978
21M → 35K8321+62#19978#19916
35K → 23M12146+75#19916#19841
23M → 24M8829+59#19841#19782
24M → 40K10531+74#19782#19708
40K → 25.2M6126-120#19708#19828
25.2M → Finish8034+46#19828#19782
TOTALS3472533+2939
📊

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