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BOSTON MARATHON 2024

Katherine Mcelroy

Bib: 29512•F

MA

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
10:35/mi
32:52
↑ 97↓ 3451.5%
10K· 6.21 mi
10:44/mi
1:06:13
↑ 79↓ 1380.4%
15K· 9.32 mi
10:43/mi
1:39:30
↑ 67↓ 78
20K· 12.43 mi
10:58/mi
2:13:33
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:20:52
↑ 19↓ 370.5%
25K· 15.53 mi
11:37/mi
2:49:03
↑ 66↓ 880.2%
30K· 18.64 mi
11:39/mi
3:25:16
↑ 181↓ 1480.2%
20M
11:31/mi
3:40:55
↑ 64↓ 500.2%
21M
13:23/mi
3:54:18
↑ 106↓ 241.6%
35K· 21.75 mi
11:40/mi
4:03:02
↑ 17↓ 861.7%
23M
12:07/mi
4:18:12
↑ 23↓ 630.6%
24M
11:29/mi
4:29:41
↓ 821.3%
40K· 24.85 mi
11:36/mi
4:39:36
↓ 200.3%
25.2M
14:50/mi
4:44:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:18/mi
4:55:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:52
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:34:21
Pace11:46 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4832:5210:3532:52
10:35
-
10K
6.21 mi12:30:091:06:1310:3933:21
10:44
+0:09
15K
9.32 mi13:03:261:39:3010:4133:17
10:43
-0:01
20K
12.43 mi13:37:292:13:3310:4534:03
10:58
+0:15
Half
13.11 mi13:44:482:20:5210:457:19
10:43
-0:15
25K
15.53 mi14:12:592:49:0310:5328:11
11:37
+0:54
30K
18.64 mi14:49:123:25:1611:0136:13
11:39
+0:02
20M
20.00 mi15:04:513:40:5511:0315:39
11:31
-0:08
21M
21.00 mi15:18:143:54:1811:0913:23
13:23
+1:52
35K
21.75 mi15:26:584:03:0211:108:44
11:40
-1:43
23M
23.00 mi15:42:084:18:1211:1415:10
12:07
+0:27
24M
24.00 mi15:53:374:29:4111:1411:29
11:29
-0:38
40K
24.85 mi16:03:324:39:3611:159:55
11:36
+0:07
25.2M
25.20 mi16:08:394:44:4311:185:07
14:50
+3:14
Finish
26.22 mi16:19:094:55:1311:1610:30
10:18
-4:32

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

10:18 /mi

Average Pace

11:16 /mi

Slowest Pace

14:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:19

40% of race

Time at Steady Pace

2:24:14

49% of race

Time at Slower Pace

33:40

11% of race

Average Pace: 11:16 /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 mi11:56:4832:5210:3532:52
10:35
#24232
10K
6.21 mi12:30:091:06:1310:3933:21
10:44
#24078
15K
9.32 mi13:03:261:39:3010:4133:17
10:43
#23793
20K
12.43 mi13:37:292:13:3310:4534:03
10:58
#23520
Half
13.11 mi13:44:482:20:5210:457:19
10:43
#23493
25K
15.53 mi14:12:592:49:0310:5328:11
11:37
#23357
30K
18.64 mi14:49:123:25:1611:0136:13
11:39
#22998
20M
20.00 mi15:04:513:40:5511:0315:39
11:31
#22819
21M
21.00 mi15:18:143:54:1811:0913:23
13:23
#22769
35K
21.75 mi15:26:584:03:0211:108:44
11:40
#22723
23M
23.00 mi15:42:084:18:1211:1415:10
12:07
#22633
24M
24.00 mi15:53:374:29:4111:1411:29
11:29
#22555
40K
24.85 mi16:03:324:39:3611:159:55
11:36
#22448
25.2M
25.20 mi16:08:394:44:4311:185:07
14:50
#22459
Finish
26.22 mi16:19:094:55:1311:1610:30
10:18
#22365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24232100911009123306(Top 91%)9595(Top 88%)9595(Top 206%)
10K6.21 mi3.10 mi24078+15410002+8910002+8923932(Top 94%)9927(Top 91%)9927(Top 213%)
15K9.32 mi3.11 mi23793+2859844+1589844+15823306(Top 91%)9595(Top 88%)9595(Top 206%)
20K12.43 mi3.11 mi23520+2739709+1359709+13522567(Top 88%)9217(Top 84%)9217(Top 198%)
Half13.11 mi0.68 mi23493+279699+109699+1023095(Top 90%)9544(Top 87%)9544(Top 205%)
25K15.53 mi2.42 mi23357+1369650+499650+4922608(Top 88%)9331(Top 85%)9331(Top 200%)
30K18.64 mi3.11 mi22998+3599497+1539497+15321332(Top 83%)8815(Top 81%)8815(Top 189%)
20M20.00 mi1.36 mi22819+1799420+779420+7720448(Top 80%)8468(Top 78%)8468(Top 182%)
21M21.00 mi1.00 mi22769+509411+99411+921389(Top 84%)8989(Top 82%)8989(Top 193%)
35K21.75 mi0.75 mi22723+469398+139398+1321227(Top 83%)8961(Top 82%)8961(Top 192%)
23M23.00 mi1.25 mi22633+909363+359363+3520983(Top 82%)8883(Top 81%)8883(Top 191%)
24M24.00 mi1.00 mi22555+789345+189345+1820403(Top 80%)8641(Top 79%)8641(Top 185%)
40K24.85 mi0.85 mi22448+1079307+389307+3819578(Top 77%)8297(Top 76%)8297(Top 178%)
25.2M25.20 mi0.35 mi22459-119316-99316-922836(Top 89%)9854(Top 90%)9854(Top 211%)
Finish26.22 mi1.02 mi22365+949287+299287+2919454(Top 76%)8205(Top 75%)8205(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23306

Females

9595

F18-39

9595

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

23932

Females

9927

F18-39

9927

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23306

Females

9595

F18-39

9595

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

22567

Females

9217

F18-39

9217

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23095

Females

9544

F18-39

9544

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22608

Females

9331

F18-39

9331

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21332

Females

8815

F18-39

8815

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20448

Females

8468

F18-39

8468

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

21389

Females

8989

F18-39

8989

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21227

Females

8961

F18-39

8961

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

20983

Females

8883

F18-39

8883

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

20403

Females

8641

F18-39

8641

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19578

Females

8297

F18-39

8297

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22836

Females

9854

F18-39

9854

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

19454

Females

8205

F18-39

8205

Passing Analysis

Category:
Athletes Passed
2235
Passed By
368
Net Change
+1867
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24232
5K → 10K263109+154#24232#24078
10K → 15K31530+285#24078#23793
15K → 20K30128+273#23793#23520
20K → Half4215+27#23520#23493
Half → 25K17943+136#23493#23357
25K → 30K37819+359#23357#22998
30K → 20M1845+179#22998#22819
20M → 21M8030+50#22819#22769
21M → 35K6115+46#22769#22723
35K → 23M10818+90#22723#22633
23M → 24M9113+78#22633#22555
24M → 40K1125+107#22555#22448
40K → 25.2M1728-11#22448#22459
25.2M → Finish10410+94#22459#22365
TOTALS2235368+1867
📊

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