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BOSTON MARATHON 2024

Colleen Dempsey

Bib: 26194•F

IL

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
9:03/mi
28:06
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
57:27
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:28:50
↑ 67↓ 78
20K· 12.43 mi
10:46/mi
2:02:17
↑ 106↓ 860.1%
Half· 13.11 mi
10:46/mi
2:09:38
↑ 19↓ 370.5%
25K· 15.53 mi
11:19/mi
2:37:05
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:12:31
↑ 181↓ 1480.2%
20M
11:47/mi
3:28:31
↑ 64↓ 500.2%
21M
11:47/mi
3:40:18
↑ 106↓ 241.6%
35K· 21.75 mi
10:47/mi
3:48:22
↑ 17↓ 861.7%
23M
11:05/mi
4:02:15
↑ 23↓ 630.6%
24M
10:46/mi
4:13:01
↓ 821.3%
40K· 24.85 mi
11:35/mi
4:22:55
↓ 200.3%
25.2M
12:25/mi
4:27:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
4:37:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:38
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:27:32
Pace11:15 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3228:069:0328:06
9:03
-
10K
6.21 mi12:13:5357:279:1529:21
9:27
+0:24
15K
9.32 mi12:45:161:28:509:3231:23
10:06
+0:39
20K
12.43 mi13:18:432:02:179:5033:27
10:46
+0:40
Half
13.11 mi13:26:042:09:389:537:21
10:46
0:00
25K
15.53 mi13:53:312:37:0510:0727:27
11:19
+0:33
30K
18.64 mi14:28:573:12:3110:2035:26
11:24
+0:05
20M
20.00 mi14:44:573:28:3110:2616:00
11:47
+0:23
21M
21.00 mi14:56:443:40:1810:2911:47
11:47
0:00
35K
21.75 mi15:04:483:48:2210:308:04
10:47
-1:00
23M
23.00 mi15:18:414:02:1510:3213:53
11:05
+0:18
24M
24.00 mi15:29:274:13:0110:3310:46
10:46
-0:19
40K
24.85 mi15:39:214:22:5510:359:54
11:35
+0:49
25.2M
25.20 mi15:43:384:27:1210:364:17
12:25
+0:50
Finish
26.22 mi15:53:364:37:1010:359:58
9:47
-2:38

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

9:03 /mi

Average Pace

10:35 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:48

36% of race

Time at Steady Pace

1:13:31

27% of race

Time at Slower Pace

1:44:51

38% of race

Average Pace: 10:34 /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 mi11:44:3228:069:0328:06
9:03
#20261
10K
6.21 mi12:13:5357:279:1529:21
9:27
#20805
15K
9.32 mi12:45:161:28:509:3231:23
10:06
#21317
20K
12.43 mi13:18:432:02:179:5033:27
10:46
#21589
Half
13.11 mi13:26:042:09:389:537:21
10:46
#21684
25K
15.53 mi13:53:312:37:0510:0727:27
11:19
#21761
30K
18.64 mi14:28:573:12:3110:2035:26
11:24
#21558
20M
20.00 mi14:44:573:28:3110:2616:00
11:47
#21515
21M
21.00 mi14:56:443:40:1810:2911:47
11:47
#21337
35K
21.75 mi15:04:483:48:2210:308:04
10:47
#21257
23M
23.00 mi15:18:414:02:1510:3213:53
11:05
#21103
24M
24.00 mi15:29:274:13:0110:3310:46
10:46
#20988
40K
24.85 mi15:39:214:22:5510:359:54
11:35
#20928
25.2M
25.20 mi15:43:384:27:1210:364:17
12:25
#20897
Finish
26.22 mi15:53:364:37:1010:359:58
9:47
#20789
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 mi202618017801722148(Top 87%)8954(Top 82%)8954(Top 192%)
10K6.21 mi3.10 mi20805-5448279-2628279-26221216(Top 83%)8491(Top 78%)8491(Top 182%)
15K9.32 mi3.11 mi21317-5128536-2578536-25722148(Top 87%)8954(Top 82%)8954(Top 192%)
20K12.43 mi3.11 mi21589-2728686-1508686-15022217(Top 87%)9033(Top 83%)9033(Top 194%)
Half13.11 mi0.68 mi21684-958742-568742-5623171(Top 91%)9594(Top 88%)9594(Top 206%)
25K15.53 mi2.42 mi21761-778794-528794-5222129(Top 87%)9068(Top 83%)9068(Top 195%)
30K18.64 mi3.11 mi21558+2038742+528742+5220828(Top 82%)8553(Top 78%)8553(Top 184%)
20M20.00 mi1.36 mi21515+438752-108752-1020956(Top 82%)8724(Top 80%)8724(Top 187%)
21M21.00 mi1.00 mi21337+1788664+888664+8818295(Top 72%)7478(Top 68%)7478(Top 160%)
35K21.75 mi0.75 mi21257+808640+248640+2419323(Top 76%)7999(Top 73%)7999(Top 172%)
23M23.00 mi1.25 mi21103+1548585+558585+5518680(Top 73%)7737(Top 71%)7737(Top 166%)
24M24.00 mi1.00 mi20988+1158548+378548+3718623(Top 73%)7773(Top 71%)7773(Top 167%)
40K24.85 mi0.85 mi20928+608529+198529+1919525(Top 76%)8273(Top 76%)8273(Top 178%)
25.2M25.20 mi0.35 mi20897+318519+108519+1018376(Top 72%)7717(Top 71%)7717(Top 166%)
Finish26.22 mi1.02 mi20789+1088476+438476+4317671(Top 69%)7354(Top 67%)7354(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22148

Females

8954

F18-39

8954

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21216

Females

8491

F18-39

8491

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22148

Females

8954

F18-39

8954

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

22217

Females

9033

F18-39

9033

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23171

Females

9594

F18-39

9594

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22129

Females

9068

F18-39

9068

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

20828

Females

8553

F18-39

8553

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

20956

Females

8724

F18-39

8724

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

18295

Females

7478

F18-39

7478

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19323

Females

7999

F18-39

7999

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

18680

Females

7737

F18-39

7737

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18623

Females

7773

F18-39

7773

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19525

Females

8273

F18-39

8273

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18376

Females

7717

F18-39

7717

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

17671

Females

7354

F18-39

7354

Passing Analysis

Category:
Athletes Passed
1585
Passed By
2113
Net Change
-528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20261
5K → 10K94638-544#20261#20805
10K → 15K74586-512#20805#21317
15K → 20K100372-272#21317#21589
20K → Half8103-95#21589#21684
Half → 25K116193-77#21684#21761
25K → 30K29592+203#21761#21558
30K → 20M10562+43#21558#21515
20M → 21M1835+178#21515#21337
21M → 35K9919+80#21337#21257
35K → 23M1617+154#21257#21103
23M → 24M1238+115#21103#20988
24M → 40K7515+60#20988#20928
40K → 25.2M354+31#20928#20897
25.2M → Finish1179+108#20897#20789
TOTALS15852113-528
📊

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