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BOSTON MARATHON 2024

Katherine Xu

Bib: 20857•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:45
Rank: #18385
Start → 5K
26:45 | 8:37/mi
10K· 6.21 mi
53:39
Rank: #18251 (+134)
5K → 10K
26:54 | 8:39/mi
15K· 9.32 mi
1:22:54
Rank: #19108 (-857)
10K → 15K
29:15 | 9:25/mi
20K· 12.43 mi
1:51:19
Rank: #18780 (+328)
15K → 20K
28:25 | 9:09/mi
Half· 13.11 mi
1:57:35
Rank: #18789 (-9)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:20:51
Rank: #18605 (+184)
Half → 25K
23:16 | 9:36/mi
30K· 18.64 mi
2:57:48
Rank: #19487 (-882)
25K → 30K
36:57 | 11:54/mi
20M
3:11:33
Rank: #19274 (+213)
30K → 20M
13:45 | 10:07/mi
21M
3:24:59
Rank: #19428 (-154)
20M → 21M
13:26 | 13:26/mi
35K· 21.75 mi
3:31:18
Rank: #19158 (+270)
21M → 35K
6:19 | 8:27/mi
23M
3:47:42
Rank: #19438 (-280)
35K → 23M
16:24 | 13:06/mi
24M
3:56:51
Rank: #19190 (+248)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
4:05:03
Rank: #18961 (+229)
24M → 40K
8:12 | 9:35/mi
25.2M
4:08:49
Rank: #18894 (+67)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:18:29
Rank: #18794 (+100)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:35
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:20:54
Pace10:45 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1426:458:3726:45
8:37
-
10K
6.21 mi11:49:0853:398:3826:54
8:39
+0:02
15K
9.32 mi12:18:231:22:548:5429:15
9:25
+0:46
20K
12.43 mi12:46:481:51:198:5728:25
9:09
-0:16
Half
13.11 mi12:53:041:57:358:586:16
9:11
+0:02
25K
15.53 mi13:16:202:20:519:0423:16
9:36
+0:25
30K
18.64 mi13:53:172:57:489:3236:57
11:54
+2:18
20M
20.00 mi14:07:023:11:339:3513:45
10:07
-1:47
21M
21.00 mi14:20:283:24:599:4613:26
13:26
+3:19
35K
21.75 mi14:26:473:31:189:436:19
8:27
-4:59
23M
23.00 mi14:43:113:47:429:5416:24
13:06
+4:39
24M
24.00 mi14:52:203:56:519:529:09
9:09
-3:57
40K
24.85 mi15:00:324:05:039:528:12
9:35
+0:26
25.2M
25.20 mi15:04:184:08:499:523:46
10:55
+1:20
Finish
26.22 mi15:13:584:18:299:529:40
9:29
-1:26

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

8:27 /mi

Average Pace

9:52 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:58

23% of race

Time at Steady Pace

2:07:58

50% of race

Time at Slower Pace

1:10:33

27% of race

Average Pace: 9:51 /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 mi11:22:1426:458:3726:45
8:37
#18385
10K
6.21 mi11:49:0853:398:3826:54
8:39
#18251
15K
9.32 mi12:18:231:22:548:5429:15
9:25
#19108
20K
12.43 mi12:46:481:51:198:5728:25
9:09
#18780
Half
13.11 mi12:53:041:57:358:586:16
9:11
#18789
25K
15.53 mi13:16:202:20:519:0423:16
9:36
#18605
30K
18.64 mi13:53:172:57:489:3236:57
11:54
#19487
20M
20.00 mi14:07:023:11:339:3513:45
10:07
#19274
21M
21.00 mi14:20:283:24:599:4613:26
13:26
#19428
35K
21.75 mi14:26:473:31:189:436:19
8:27
#19158
23M
23.00 mi14:43:113:47:429:5416:24
13:06
#19438
24M
24.00 mi14:52:203:56:519:529:09
9:09
#19190
40K
24.85 mi15:00:324:05:039:528:12
9:35
#18961
25.2M
25.20 mi15:04:184:08:499:523:46
10:55
#18894
Finish
26.22 mi15:13:584:18:299:529:40
9:29
#18794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi183856984698420413(Top 80%)8010(Top 73%)8010(Top 914%)
10K6.21 mi3.10 mi18251+1346889+956889+9518156(Top 71%)6818(Top 62%)6818(Top 778%)
15K9.32 mi3.11 mi19108-8577363-4747363-47420413(Top 80%)8010(Top 73%)8010(Top 914%)
20K12.43 mi3.11 mi18780+3287172+1917172+19117992(Top 70%)6698(Top 61%)6698(Top 765%)
Half13.11 mi0.68 mi18789-97179-77179-719057(Top 75%)7374(Top 68%)7374(Top 842%)
25K15.53 mi2.42 mi18605+1847093+867093+8617868(Top 70%)6753(Top 62%)6753(Top 771%)
30K18.64 mi3.11 mi19487-8827637-5447637-54421740(Top 85%)9020(Top 83%)9020(Top 1030%)
20M20.00 mi1.36 mi19274+2137554+837554+8316883(Top 66%)6663(Top 61%)6663(Top 761%)
21M21.00 mi1.00 mi19428-1547650-967650-9621467(Top 84%)9038(Top 83%)9038(Top 1032%)
35K21.75 mi0.75 mi19158+2707524+1267524+12610465(Top 41%)3490(Top 32%)3490(Top 398%)
23M23.00 mi1.25 mi19438-2807703-1797703-17922699(Top 89%)9697(Top 89%)9697(Top 1107%)
24M24.00 mi1.00 mi19190+2487583+1207583+12012907(Top 51%)4892(Top 45%)4892(Top 558%)
40K24.85 mi0.85 mi18961+2297482+1017482+10113503(Top 53%)5296(Top 48%)5296(Top 605%)
25.2M25.20 mi0.35 mi18894+677451+317451+3114299(Top 56%)5722(Top 52%)5722(Top 653%)
Finish26.22 mi1.02 mi18794+1007429+227429+2216500(Top 65%)6764(Top 62%)6764(Top 772%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

20413

Females

8010

F55-59

8010

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18156

Females

6818

F55-59

6818

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

20413

Females

8010

F55-59

8010

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17992

Females

6698

F55-59

6698

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19057

Females

7374

F55-59

7374

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17868

Females

6753

F55-59

6753

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

21740

Females

9020

F55-59

9020

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16883

Females

6663

F55-59

6663

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

21467

Females

9038

F55-59

9038

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10465

Females

3490

F55-59

3490

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

22699

Females

9697

F55-59

9697

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

12907

Females

4892

F55-59

4892

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13503

Females

5296

F55-59

5296

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14299

Females

5722

F55-59

5722

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16500

Females

6764

F55-59

6764

Passing Analysis

Category:
Athletes Passed
2413
Passed By
2822
Net Change
-409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18385
5K → 10K348214+134#18385#18251
10K → 15K50907-857#18251#19108
15K → 20K42496+328#19108#18780
20K → Half3140-9#18780#18789
Half → 25K293109+184#18789#18605
25K → 30K39921-882#18605#19487
30K → 20M22310+213#19487#19274
20M → 21M39193-154#19274#19428
21M → 35K2700+270#19428#19158
35K → 23M36316-280#19158#19438
23M → 24M2480+248#19438#19190
24M → 40K2301+229#19190#18961
40K → 25.2M725+67#18961#18894
25.2M → Finish11010+100#18894#18794
TOTALS24132822-409
📊

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