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BOSTON MARATHON 2024

Kaitlyn Clark

Bib: 9131•F

TN

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 32%
Division (F18-39)
#0 / 4660
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:24
Rank: #8521
Start → 5K
22:24 | 7:13/mi
10K· 6.21 mi
45:18
Rank: #8846 (-325)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:08:51
Rank: #9251 (-405)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:33:43
Rank: #9957 (-706)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:39:11
Rank: #10123 (-166)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
1:59:37
Rank: #10543 (-420)
Half → 25K
20:26 | 8:26/mi
30K· 18.64 mi
2:27:59
Rank: #11223 (-680)
25K → 30K
28:22 | 9:08/mi
20M
2:40:57
Rank: #11540 (-317)
30K → 20M
12:58 | 9:33/mi
21M
2:50:59
Rank: #11612 (-72)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
2:57:48
Rank: #11700 (-88)
21M → 35K
6:49 | 9:07/mi
23M
3:09:39
Rank: #11773 (-73)
35K → 23M
11:51 | 9:28/mi
24M
3:18:32
Rank: #11743 (+30)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:26:14
Rank: #11647 (+96)
24M → 40K
7:42 | 9:00/mi
25.2M
3:29:31
Rank: #11575 (+72)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:38:10
Rank: #11532 (+43)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:11
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:58:59
Pace9:05 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5322:247:1322:24
7:13
-
10K
6.21 mi11:11:4745:187:1722:54
7:22
+0:09
15K
9.32 mi11:35:201:08:517:2323:33
7:35
+0:13
20K
12.43 mi12:00:121:33:437:3224:52
8:00
+0:25
Half
13.11 mi12:05:401:39:117:345:28
8:01
+0:01
25K
15.53 mi12:26:061:59:377:4220:26
8:26
+0:25
30K
18.64 mi12:54:282:27:597:5628:22
9:08
+0:42
20M
20.00 mi13:07:262:40:578:0312:58
9:33
+0:25
21M
21.00 mi13:17:282:50:598:0910:02
10:02
+0:29
35K
21.75 mi13:24:172:57:488:116:49
9:07
-0:55
23M
23.00 mi13:36:083:09:398:1511:51
9:28
+0:21
24M
24.00 mi13:45:013:18:328:168:53
8:53
-0:35
40K
24.85 mi13:52:433:26:148:187:42
9:00
+0:07
25.2M
25.20 mi13:56:003:29:318:193:17
9:31
+0:31
Finish
26.22 mi14:04:393:38:108:208:39
8:29
-1:02

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

7:13 /mi

Average Pace

8:20 /mi

Slowest Pace

10:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:37

55% of race

Time at Steady Pace

1:00:25

28% of race

Time at Slower Pace

38:08

17% of race

Average Pace: 8:19 /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 mi10:48:5322:247:1322:24
7:13
#8521
10K
6.21 mi11:11:4745:187:1722:54
7:22
#8846
15K
9.32 mi11:35:201:08:517:2323:33
7:35
#9251
20K
12.43 mi12:00:121:33:437:3224:52
8:00
#9957
Half
13.11 mi12:05:401:39:117:345:28
8:01
#10123
25K
15.53 mi12:26:061:59:377:4220:26
8:26
#10543
30K
18.64 mi12:54:282:27:597:5628:22
9:08
#11223
20M
20.00 mi13:07:262:40:578:0312:58
9:33
#11540
21M
21.00 mi13:17:282:50:598:0910:02
10:02
#11612
35K
21.75 mi13:24:172:57:488:116:49
9:07
#11700
23M
23.00 mi13:36:083:09:398:1511:51
9:28
#11773
24M
24.00 mi13:45:013:18:328:168:53
8:53
#11743
40K
24.85 mi13:52:433:26:148:187:42
9:00
#11647
25.2M
25.20 mi13:56:003:29:318:193:17
9:31
#11575
Finish
26.22 mi14:04:393:38:108:208:39
8:29
#11532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi85211392139210298(Top 40%)2333(Top 21%)2333(Top 50%)
10K6.21 mi3.10 mi8846-3251555-1631555-1639230(Top 36%)1756(Top 16%)1756(Top 38%)
15K9.32 mi3.11 mi9251-4051740-1851740-18510298(Top 40%)2333(Top 21%)2333(Top 50%)
20K12.43 mi3.11 mi9957-7062130-3902130-39011860(Top 46%)3242(Top 30%)3242(Top 70%)
Half13.11 mi0.68 mi10123-1662221-912221-9112887(Top 50%)3816(Top 35%)3816(Top 82%)
25K15.53 mi2.42 mi10543-4202490-2692490-26912670(Top 50%)3865(Top 35%)3865(Top 83%)
30K18.64 mi3.11 mi11223-6802941-4512941-45113868(Top 54%)4771(Top 44%)4771(Top 102%)
20M20.00 mi1.36 mi11540-3173156-2153156-21514704(Top 58%)5498(Top 50%)5498(Top 118%)
21M21.00 mi1.00 mi11612-723257-1013257-10113096(Top 51%)4837(Top 44%)4837(Top 104%)
35K21.75 mi0.75 mi11700-883335-783335-7813873(Top 54%)5252(Top 48%)5252(Top 113%)
23M23.00 mi1.25 mi11773-733447-1123447-11213367(Top 52%)5081(Top 47%)5081(Top 109%)
24M24.00 mi1.00 mi11743+303480-333480-3311572(Top 45%)4196(Top 38%)4196(Top 90%)
40K24.85 mi0.85 mi11647+963474+63474+610902(Top 43%)4009(Top 37%)4009(Top 86%)
25.2M25.20 mi0.35 mi11575+723456+183456+188885(Top 35%)3103(Top 28%)3103(Top 67%)
Finish26.22 mi1.02 mi11532+433477-213477-2111464(Top 45%)4205(Top 38%)4205(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10298

Females

2333

F18-39

2333

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9230

Females

1756

F18-39

1756

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10298

Females

2333

F18-39

2333

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11860

Females

3242

F18-39

3242

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12887

Females

3816

F18-39

3816

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12670

Females

3865

F18-39

3865

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

13868

Females

4771

F18-39

4771

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

14704

Females

5498

F18-39

5498

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13096

Females

4837

F18-39

4837

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

13873

Females

5252

F18-39

5252

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13367

Females

5081

F18-39

5081

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11572

Females

4196

F18-39

4196

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

10902

Females

4009

F18-39

4009

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8885

Females

3103

F18-39

3103

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11464

Females

4205

F18-39

4205

Passing Analysis

Category:
Athletes Passed
1313
Passed By
4320
Net Change
-3011
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8521
5K → 10K133458-325#8521#8846
10K → 15K82487-405#8846#9251
15K → 20K69774-706#9251#9957
20K → Half7171-166#9957#10123
Half → 25K104523-420#10123#10543
25K → 30K115795-680#10543#11223
30K → 20M69386-317#11223#11540
20M → 21M110182-72#11540#11612
21M → 35K47135-88#11612#11700
35K → 23M124197-73#11700#11773
23M → 24M11282+30#11773#11743
24M → 40K14751+96#11743#11647
40K → 25.2M8311+72#11647#11575
25.2M → Finish11168+43#11575#11532
TOTALS13134320-3011
📊

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