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BOSTON MARATHON 2024

Rachel Ernst

Bib: 9533•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 30%
Gender (Female)
#0 / 10924
Top 15%
Masters (Masters Women)
#0 / 6263
Top 6%
Division (F40-44)
#0 / 1613
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #9448
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
46:00
Rank: #9661 (-213)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:09:34
Rank: #9860 (-199)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:33:25
Rank: #9756 (+104)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:38:31
Rank: #9699 (+57)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:28
Rank: #9524 (+175)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:22:24
Rank: #9130 (+394)
25K → 30K
24:56 | 8:02/mi
20M
2:33:23
Rank: #8890 (+240)
30K → 20M
10:59 | 8:05/mi
21M
2:41:52
Rank: #8626 (+264)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:47:52
Rank: #8550 (+76)
21M → 35K
6:00 | 8:01/mi
23M
2:58:10
Rank: #8355 (+195)
35K → 23M
10:18 | 8:14/mi
24M
3:06:12
Rank: #8235 (+120)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:12:55
Rank: #8049 (+186)
24M → 40K
6:43 | 7:51/mi
25.2M
3:15:53
Rank: #7942 (+107)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:23:10
Rank: #7695 (+247)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:31
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5422:477:2022:47
7:20
-
10K
6.21 mi11:12:0746:007:2423:13
7:28
+0:08
15K
9.32 mi11:35:411:09:347:2823:34
7:35
+0:07
20K
12.43 mi11:59:321:33:257:3123:51
7:41
+0:06
Half
13.11 mi12:04:381:38:317:315:06
7:29
-0:12
25K
15.53 mi12:23:351:57:287:3418:57
7:49
+0:20
30K
18.64 mi12:48:312:22:247:3824:56
8:02
+0:13
20M
20.00 mi12:59:302:33:237:4010:59
8:05
+0:03
21M
21.00 mi13:07:592:41:527:428:29
8:29
+0:24
35K
21.75 mi13:13:592:47:527:436:00
8:01
-0:28
23M
23.00 mi13:24:172:58:107:4510:18
8:14
+0:13
24M
24.00 mi13:32:193:06:127:468:02
8:02
-0:12
40K
24.85 mi13:39:023:12:557:466:43
7:51
-0:11
25.2M
25.20 mi13:42:003:15:537:462:58
8:36
+0:45
Finish
26.22 mi13:49:173:23:107:457:17
7:09
-1:27

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

7:09 /mi

Average Pace

7:45 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:57

40% of race

Time at Steady Pace

1:28:29

44% of race

Time at Slower Pace

32:44

16% of race

Average Pace: 7:45 /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 mi10:48:5422:477:2022:47
7:20
#9448
10K
6.21 mi11:12:0746:007:2423:13
7:28
#9661
15K
9.32 mi11:35:411:09:347:2823:34
7:35
#9860
20K
12.43 mi11:59:321:33:257:3123:51
7:41
#9756
Half
13.11 mi12:04:381:38:317:315:06
7:29
#9699
25K
15.53 mi12:23:351:57:287:3418:57
7:49
#9524
30K
18.64 mi12:48:312:22:247:3824:56
8:02
#9130
20M
20.00 mi12:59:302:33:237:4010:59
8:05
#8890
21M
21.00 mi13:07:592:41:527:428:29
8:29
#8626
35K
21.75 mi13:13:592:47:527:436:00
8:01
#8550
23M
23.00 mi13:24:172:58:107:4510:18
8:14
#8355
24M
24.00 mi13:32:193:06:127:468:02
8:02
#8235
40K
24.85 mi13:39:023:12:557:466:43
7:51
#8049
25.2M
25.20 mi13:42:003:15:537:462:58
8:36
#7942
Finish
26.22 mi13:49:173:23:107:457:17
7:09
#7695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi94481771177110327(Top 40%)2340(Top 21%)2340(Top 145%)
10K6.21 mi3.10 mi9661-2131896-1251896-12510057(Top 39%)2125(Top 19%)2125(Top 132%)
15K9.32 mi3.11 mi9860-1992022-1262022-12610327(Top 40%)2340(Top 21%)2340(Top 145%)
20K12.43 mi3.11 mi9756+1042023-12023-19590(Top 38%)2114(Top 19%)2114(Top 131%)
Half13.11 mi0.68 mi9699+572000+232000+238971(Top 35%)1797(Top 16%)1797(Top 111%)
25K15.53 mi2.42 mi9524+1751964+361964+369025(Top 35%)2011(Top 18%)2011(Top 125%)
30K18.64 mi3.11 mi9130+3941873+911873+918011(Top 31%)1773(Top 16%)1773(Top 110%)
20M20.00 mi1.36 mi8890+2401821+521821+527248(Top 28%)1647(Top 15%)1647(Top 102%)
21M21.00 mi1.00 mi8626+2641757+641757+646159(Top 24%)1371(Top 13%)1371(Top 85%)
35K21.75 mi0.75 mi8550+761761-41761-47940(Top 31%)2190(Top 20%)2190(Top 136%)
23M23.00 mi1.25 mi8355+1951742+191742+196963(Top 27%)1879(Top 17%)1879(Top 116%)
24M24.00 mi1.00 mi8235+1201730+121730+126829(Top 27%)1917(Top 18%)1917(Top 119%)
40K24.85 mi0.85 mi8049+1861696+341696+345088(Top 20%)1224(Top 11%)1224(Top 76%)
25.2M25.20 mi0.35 mi7942+1071665+311665+314917(Top 19%)1220(Top 11%)1220(Top 76%)
Finish26.22 mi1.02 mi7695+2471606+591606+593811(Top 15%)732(Top 7%)732(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10327

Females

2340

F40-44

2340

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10057

Females

2125

F40-44

2125

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10327

Females

2340

F40-44

2340

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9590

Females

2114

F40-44

2114

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

8971

Females

1797

F40-44

1797

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9025

Females

2011

F40-44

2011

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8011

Females

1773

F40-44

1773

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7248

Females

1647

F40-44

1647

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6159

Females

1371

F40-44

1371

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

7940

Females

2190

F40-44

2190

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6963

Females

1879

F40-44

1879

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6829

Females

1917

F40-44

1917

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5088

Females

1224

F40-44

1224

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4917

Females

1220

F40-44

1220

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3811

Females

732

F40-44

732

Passing Analysis

Category:
Athletes Passed
2990
Passed By
1236
Net Change
+1753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9448
5K → 10K169382-213#9448#9661
10K → 15K136335-199#9661#9860
15K → 20K273169+104#9860#9756
20K → Half7013+57#9756#9699
Half → 25K295119+175#9699#9524
25K → 30K46571+394#9524#9130
30K → 20M26121+240#9130#8890
20M → 21M27612+264#8890#8626
21M → 35K11135+76#8626#8550
35K → 23M23237+195#8550#8355
23M → 24M15131+120#8355#8235
24M → 40K1915+186#8235#8049
40K → 25.2M1070+107#8049#7942
25.2M → Finish2536+247#7942#7695
TOTALS29901236+1753
📊

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