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BOSTON MARATHON 2024

Caroline Williams

Bib: 145•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Female)
#0 / 10924
Top 0.3%
Division (F18-39)
#0 / 4660
Top 0.7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #913
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
37:16
Rank: #881 (+32)
5K → 10K
18:39 | 6:00/mi
15K· 9.32 mi
56:05
Rank: #878 (+3)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:14:48
Rank: #808 (+70)
15K → 20K
18:43 | 6:01/mi
Half· 13.11 mi
1:18:53
Rank: #807 (+1)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:37
Rank: #745 (+62)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:53:38
Rank: #748 (-3)
25K → 30K
20:01 | 6:27/mi
20M
2:02:46
Rank: #761 (-13)
30K → 20M
9:08 | 6:43/mi
21M
2:09:55
Rank: #780 (-19)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:14:51
Rank: #790 (-10)
21M → 35K
4:56 | 6:36/mi
23M
2:23:28
Rank: #803 (-13)
35K → 23M
8:37 | 6:53/mi
24M
2:30:17
Rank: #809 (-6)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:36:13
Rank: #816 (-7)
24M → 40K
5:56 | 6:56/mi
25.2M
2:38:46
Rank: #814 (+2)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:45:17
Rank: #806 (+8)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:53
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:26:24
Pace6:35 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:05:3818:376:0018:37
6:00
-
10K
6.21 mi10:24:1737:166:0018:39
6:00
0:00
15K
9.32 mi10:43:0656:056:0118:49
6:03
+0:03
20K
12.43 mi11:01:491:14:486:0118:43
6:01
-0:02
Half
13.11 mi11:05:541:18:536:014:05
5:59
-0:02
25K
15.53 mi11:20:381:33:376:0214:44
6:05
+0:06
30K
18.64 mi11:40:391:53:386:0620:01
6:27
+0:22
20M
20.00 mi11:49:472:02:466:089:08
6:43
+0:16
21M
21.00 mi11:56:562:09:556:117:09
7:09
+0:26
35K
21.75 mi12:01:522:14:516:124:56
6:36
-0:33
23M
23.00 mi12:10:292:23:286:148:37
6:53
+0:17
24M
24.00 mi12:17:182:30:176:166:49
6:49
-0:04
40K
24.85 mi12:23:142:36:136:175:56
6:56
+0:07
25.2M
25.20 mi12:25:472:38:466:182:33
7:24
+0:28
Finish
26.22 mi12:32:182:45:176:196:31
6:24
-1:00

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

5:59 /mi

Average Pace

6:19 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:37

57% of race

Time at Steady Pace

31:28

19% of race

Time at Slower Pace

40:12

24% of race

Average Pace: 6:18 /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 mi10:05:3818:376:0018:37
6:00
#913
10K
6.21 mi10:24:1737:166:0018:39
6:00
#881
15K
9.32 mi10:43:0656:056:0118:49
6:03
#878
20K
12.43 mi11:01:491:14:486:0118:43
6:01
#808
Half
13.11 mi11:05:541:18:536:014:05
5:59
#807
25K
15.53 mi11:20:381:33:376:0214:44
6:05
#745
30K
18.64 mi11:40:391:53:386:0620:01
6:27
#748
20M
20.00 mi11:49:472:02:466:089:08
6:43
#761
21M
21.00 mi11:56:562:09:556:117:09
7:09
#780
35K
21.75 mi12:01:522:14:516:124:56
6:36
#790
23M
23.00 mi12:10:292:23:286:148:37
6:53
#803
24M
24.00 mi12:17:182:30:176:166:49
6:49
#809
40K
24.85 mi12:23:142:36:136:175:56
6:56
#816
25.2M
25.20 mi12:25:472:38:466:182:33
7:24
#814
Finish
26.22 mi12:32:182:45:176:196:31
6:24
#806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9133131927(Top 4%)31(Top 0.3%)31(Top 0.7%)
10K6.21 mi3.10 mi881+323131878(Top 3%)30(Top 0.3%)30(Top 0.6%)
15K9.32 mi3.11 mi878+330+130+1927(Top 4%)31(Top 0.3%)31(Top 0.7%)
20K12.43 mi3.11 mi808+7029+129+1653(Top 3%)26(Top 0.2%)26(Top 0.6%)
Half13.11 mi0.68 mi807+12929775(Top 3%)26(Top 0.2%)26(Top 0.6%)
25K15.53 mi2.42 mi745+6227+227+2611(Top 2%)27(Top 0.2%)27(Top 0.6%)
30K18.64 mi3.11 mi748-328-128-1911(Top 4%)38(Top 0.3%)38(Top 0.8%)
20M20.00 mi1.36 mi761-1328281390(Top 5%)66(Top 0.6%)66(Top 1%)
21M21.00 mi1.00 mi780-1930-230-21446(Top 6%)79(Top 0.7%)79(Top 2%)
35K21.75 mi0.75 mi790-1030301567(Top 6%)95(Top 0.9%)95(Top 2%)
23M23.00 mi1.25 mi803-1330301567(Top 6%)99(Top 0.9%)99(Top 2%)
24M24.00 mi1.00 mi809-630301754(Top 7%)143(Top 1%)143(Top 3%)
40K24.85 mi0.85 mi816-733-333-31695(Top 7%)149(Top 1%)149(Top 3%)
25.2M25.20 mi0.35 mi814+234-134-11228(Top 5%)100(Top 0.9%)100(Top 2%)
Finish26.22 mi1.02 mi806+836-236-21128(Top 4%)87(Top 0.8%)87(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

927

Females

31

F18-39

31

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

878

Females

30

F18-39

30

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

927

Females

31

F18-39

31

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

653

Females

26

F18-39

26

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

775

Females

26

F18-39

26

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

611

Females

27

F18-39

27

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

911

Females

38

F18-39

38

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1390

Females

66

F18-39

66

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1446

Females

79

F18-39

79

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1567

Females

95

F18-39

95

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1567

Females

99

F18-39

99

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1754

Females

143

F18-39

143

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1695

Females

149

F18-39

149

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1228

Females

100

F18-39

100

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1128

Females

87

F18-39

87

Passing Analysis

Category:
Athletes Passed
412
Passed By
305
Net Change
+107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#913
5K → 10K6533+32#913#881
10K → 15K3229+3#881#878
15K → 20K755+70#878#808
20K → Half43+1#808#807
Half → 25K719+62#807#745
25K → 30K4750-3#745#748
30K → 20M2134-13#748#761
20M → 21M1130-19#761#780
21M → 35K1424-10#780#790
35K → 23M1629-13#790#803
23M → 24M1622-6#803#809
24M → 40K1522-7#809#816
40K → 25.2M75+2#816#814
25.2M → Finish1810+8#814#806
TOTALS412305+107
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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