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BOSTON MARATHON 2024

Rachel Alpert

Bib: 16397•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 34%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 33%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #12414
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
48:15
Rank: #12600 (-186)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:12:40
Rank: #12492 (+108)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:37:09
Rank: #12048 (+444)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:42:27
Rank: #11977 (+71)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:01:48
Rank: #11561 (+416)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:27:12
Rank: #10915 (+646)
25K → 30K
25:24 | 8:11/mi
20M
2:37:57
Rank: #10482 (+433)
30K → 20M
10:45 | 7:55/mi
21M
2:46:24
Rank: #10116 (+366)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:51:59
Rank: #9866 (+250)
21M → 35K
5:35 | 7:28/mi
23M
3:01:54
Rank: #9466 (+400)
35K → 23M
9:55 | 7:55/mi
24M
3:09:39
Rank: #9222 (+244)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:16:25
Rank: #9006 (+216)
24M → 40K
6:46 | 7:55/mi
25.2M
3:19:23
Rank: #8899 (+107)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:26:47
Rank: #8642 (+257)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:27
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:44:20
Pace7:58 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1123:587:4323:58
7:43
-
10K
6.21 mi11:38:2848:157:4624:17
7:49
+0:06
15K
9.32 mi12:02:531:12:407:4824:25
7:52
+0:03
20K
12.43 mi12:27:221:37:097:4924:29
7:53
+0:01
Half
13.11 mi12:32:401:42:277:495:18
7:46
-0:07
25K
15.53 mi12:52:012:01:487:5019:21
7:59
+0:13
30K
18.64 mi13:17:252:27:127:5425:24
8:11
+0:12
20M
20.00 mi13:28:102:37:577:5410:45
7:55
-0:16
21M
21.00 mi13:36:372:46:247:558:27
8:27
+0:32
35K
21.75 mi13:42:122:51:597:545:35
7:28
-0:59
23M
23.00 mi13:52:073:01:547:559:55
7:55
+0:27
24M
24.00 mi13:59:523:09:397:547:45
7:45
-0:10
40K
24.85 mi14:06:383:16:257:546:46
7:55
+0:10
25.2M
25.20 mi14:09:363:19:237:552:58
8:36
+0:41
Finish
26.22 mi14:17:003:26:477:547:24
7:16
-1:20

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

7:16 /mi

Average Pace

7:54 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:58

82% of race

Time at Steady Pace

33:51

16% of race

Time at Slower Pace

2:58

1% of race

Average Pace: 7:53 /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 mi11:14:1123:587:4323:58
7:43
#12414
10K
6.21 mi11:38:2848:157:4624:17
7:49
#12600
15K
9.32 mi12:02:531:12:407:4824:25
7:52
#12492
20K
12.43 mi12:27:221:37:097:4924:29
7:53
#12048
Half
13.11 mi12:32:401:42:277:495:18
7:46
#11977
25K
15.53 mi12:52:012:01:487:5019:21
7:59
#11561
30K
18.64 mi13:17:252:27:127:5425:24
8:11
#10915
20M
20.00 mi13:28:102:37:577:5410:45
7:55
#10482
21M
21.00 mi13:36:372:46:247:558:27
8:27
#10116
35K
21.75 mi13:42:122:51:597:545:35
7:28
#9866
23M
23.00 mi13:52:073:01:547:559:55
7:55
#9466
24M
24.00 mi13:59:523:09:397:547:45
7:45
#9222
40K
24.85 mi14:06:383:16:257:546:46
7:55
#9006
25.2M
25.20 mi14:09:363:19:237:552:58
8:36
#8899
Finish
26.22 mi14:17:003:26:477:547:24
7:16
#8642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124143362336212384(Top 48%)3444(Top 32%)3444(Top 74%)
10K6.21 mi3.10 mi12600-1863494-1323494-13212793(Top 50%)3641(Top 33%)3641(Top 78%)
15K9.32 mi3.11 mi12492+1083455+393455+3912384(Top 48%)3444(Top 32%)3444(Top 74%)
20K12.43 mi3.11 mi12048+4443246+2093246+20910988(Top 43%)2803(Top 26%)2803(Top 60%)
Half13.11 mi0.68 mi11977+713207+393207+3911100(Top 43%)2840(Top 26%)2840(Top 61%)
25K15.53 mi2.42 mi11561+4163015+1923015+19210076(Top 39%)2515(Top 23%)2515(Top 54%)
30K18.64 mi3.11 mi10915+6462782+2332782+2338876(Top 35%)2150(Top 20%)2150(Top 46%)
20M20.00 mi1.36 mi10482+4332616+1662616+1666313(Top 25%)1266(Top 12%)1266(Top 27%)
21M21.00 mi1.00 mi10116+3662489+1272489+1276028(Top 24%)1320(Top 12%)1320(Top 28%)
35K21.75 mi0.75 mi9866+2502402+872402+874944(Top 19%)871(Top 8%)871(Top 19%)
23M23.00 mi1.25 mi9466+4002269+1332269+1335389(Top 21%)1181(Top 11%)1181(Top 25%)
24M24.00 mi1.00 mi9222+2442192+772192+775323(Top 21%)1228(Top 11%)1228(Top 26%)
40K24.85 mi0.85 mi9006+2162128+642128+645416(Top 21%)1393(Top 13%)1393(Top 30%)
25.2M25.20 mi0.35 mi8899+1072101+272101+274930(Top 19%)1233(Top 11%)1233(Top 26%)
Finish26.22 mi1.02 mi8642+2572027+742027+744352(Top 17%)929(Top 9%)929(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12384

Females

3444

F18-39

3444

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12793

Females

3641

F18-39

3641

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12384

Females

3444

F18-39

3444

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

10988

Females

2803

F18-39

2803

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11100

Females

2840

F18-39

2840

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10076

Females

2515

F18-39

2515

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

8876

Females

2150

F18-39

2150

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6313

Females

1266

F18-39

1266

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6028

Females

1320

F18-39

1320

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4944

Females

871

F18-39

871

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5389

Females

1181

F18-39

1181

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5323

Females

1228

F18-39

1228

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5416

Females

1393

F18-39

1393

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4930

Females

1233

F18-39

1233

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4352

Females

929

F18-39

929

Passing Analysis

Category:
Athletes Passed
4487*
Passed By
715
Net Change
+3772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12414
5K → 10K206392-186#12414#12600
10K → 15K277169+108#12600#12492
15K → 20K49147+444#12492#12048
20K → Half8312+71#12048#11977
Half → 25K45034+416#11977#11561
25K → 30K68034+646#11561#10915
30K → 20M4363+433#10915#10482
20M → 21M3693+366#10482#10116
21M → 35K250*0+250#10116#9866
35K → 23M404*4+400#9866#9466
23M → 24M250*6+244#9466#9222
24M → 40K2226+216#9222#9006
40K → 25.2M1103+107#9006#8899
25.2M → Finish2592+257#8899#8642
TOTALS4487*715+3772

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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