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BOSTON MARATHON 2024

Chelsea Cates

Bib: 17766•F

MI

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
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
7:35/mi
23:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:12:18
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:38:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:44:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:06:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:34:31
↑ 181↓ 1480.2%
20M
9:15/mi
2:47:05
↑ 64↓ 500.2%
21M
9:56/mi
2:57:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:04:02
↑ 17↓ 861.7%
23M
9:19/mi
3:15:42
↑ 23↓ 630.6%
24M
9:11/mi
3:24:53
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:32:50
↓ 200.3%
25.2M
9:31/mi
3:36:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:44:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0623:357:3523:35
7:35
-
10K
6.21 mi11:38:0447:337:3923:58
7:43
+0:08
15K
9.32 mi12:02:491:12:187:4524:45
7:58
+0:15
20K
12.43 mi12:29:101:38:397:5626:21
8:29
+0:31
Half
13.11 mi12:34:551:44:247:585:45
8:26
-0:03
25K
15.53 mi12:56:412:06:108:0721:46
8:59
+0:33
30K
18.64 mi13:25:022:34:318:1728:21
9:07
+0:08
20M
20.00 mi13:37:362:47:058:2112:34
9:15
+0:08
21M
21.00 mi13:47:322:57:018:269:56
9:56
+0:41
35K
21.75 mi13:54:333:04:028:287:01
9:23
-0:33
23M
23.00 mi14:06:133:15:428:3111:40
9:19
-0:04
24M
24.00 mi14:15:243:24:538:329:11
9:11
-0:08
40K
24.85 mi14:23:213:32:508:347:57
9:18
+0:07
25.2M
25.20 mi14:26:383:36:078:353:17
9:31
+0:13
Finish
26.22 mi14:35:013:44:308:348:23
8:14
-1:17

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

7:35 /mi

Average Pace

8:34 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:47

50% of race

Time at Steady Pace

1:38:30

44% of race

Time at Slower Pace

13:13

6% of race

Average Pace: 8:34 /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 mi11:14:0623:357:3523:35
7:35
#11489
10K
6.21 mi11:38:0447:337:3923:58
7:43
#11679
15K
9.32 mi12:02:491:12:187:4524:45
7:58
#12197
20K
12.43 mi12:29:101:38:397:5626:21
8:29
#12924
Half
13.11 mi12:34:551:44:247:585:45
8:26
#13070
25K
15.53 mi12:56:412:06:108:0721:46
8:59
#13575
30K
18.64 mi13:25:022:34:318:1728:21
9:07
#13550
20M
20.00 mi13:37:362:47:058:2112:34
9:15
#13492
21M
21.00 mi13:47:322:57:018:269:56
9:56
#13396
35K
21.75 mi13:54:333:04:028:287:01
9:23
#13472
23M
23.00 mi14:06:133:15:428:3111:40
9:19
#13403
24M
24.00 mi14:15:243:24:538:329:11
9:11
#13363
40K
24.85 mi14:23:213:32:508:347:57
9:18
#13279
25.2M
25.20 mi14:26:383:36:078:353:17
9:31
#13179
Finish
26.22 mi14:35:013:44:308:348:23
8:14
#13032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114892843284313221(Top 52%)3930(Top 36%)3930(Top 84%)
10K6.21 mi3.10 mi11679-1902985-1422985-14211987(Top 47%)3189(Top 29%)3189(Top 68%)
15K9.32 mi3.11 mi12197-5183305-3203305-32013221(Top 52%)3930(Top 36%)3930(Top 84%)
20K12.43 mi3.11 mi12924-7273729-4243729-42414710(Top 58%)4835(Top 44%)4835(Top 104%)
Half13.11 mi0.68 mi13070-1463833-1043833-10415310(Top 60%)5209(Top 48%)5209(Top 112%)
25K15.53 mi2.42 mi13575-5054138-3054138-30515423(Top 60%)5401(Top 49%)5401(Top 116%)
30K18.64 mi3.11 mi13550+254223-854223-8513848(Top 54%)4760(Top 44%)4760(Top 102%)
20M20.00 mi1.36 mi13492+584262-394262-3913394(Top 52%)4786(Top 44%)4786(Top 103%)
21M21.00 mi1.00 mi13396+964265-34265-312712(Top 50%)4636(Top 42%)4636(Top 99%)
35K21.75 mi0.75 mi13472-764341-764341-7615044(Top 59%)5858(Top 54%)5858(Top 126%)
23M23.00 mi1.25 mi13403+694354-134354-1312681(Top 50%)4751(Top 43%)4751(Top 102%)
24M24.00 mi1.00 mi13363+404382-284382-2813042(Top 51%)4947(Top 45%)4947(Top 106%)
40K24.85 mi0.85 mi13279+844370+124370+1212262(Top 48%)4664(Top 43%)4664(Top 100%)
25.2M25.20 mi0.35 mi13179+1004334+364334+368905(Top 35%)3123(Top 29%)3123(Top 67%)
Finish26.22 mi1.02 mi13032+1474297+374297+379939(Top 39%)3500(Top 32%)3500(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13221

Females

3930

F18-39

3930

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11987

Females

3189

F18-39

3189

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13221

Females

3930

F18-39

3930

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14710

Females

4835

F18-39

4835

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15310

Females

5209

F18-39

5209

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15423

Females

5401

F18-39

5401

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13848

Females

4760

F18-39

4760

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13394

Females

4786

F18-39

4786

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12712

Females

4636

F18-39

4636

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15044

Females

5858

F18-39

5858

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12681

Females

4751

F18-39

4751

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13042

Females

4947

F18-39

4947

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12262

Females

4664

F18-39

4664

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8905

Females

3123

F18-39

3123

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

9939

Females

3500

F18-39

3500

Passing Analysis

Category:
Athletes Passed
1914
Passed By
3457
Net Change
-1543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11489
5K → 10K210400-190#11489#11679
10K → 15K100618-518#11679#12197
15K → 20K96823-727#12197#12924
20K → Half20166-146#12924#13070
Half → 25K95600-505#13070#13575
25K → 30K307282+25#13575#13550
30K → 20M169111+58#13550#13492
20M → 21M18589+96#13492#13396
21M → 35K62138-76#13396#13472
35K → 23M14576+69#13472#13403
23M → 24M12080+40#13403#13363
24M → 40K13147+84#13363#13279
40K → 25.2M1077+100#13279#13179
25.2M → Finish16720+147#13179#13032
TOTALS19143457-1543
📊

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