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BOSTON MARATHON 2024

Rachel Chibidakis

Bib: 13470•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 47%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:29
Rank: #11263
Start → 5K
7:34/mi
23:29 split
10K· 6.21 mi
46:45
Rank: #10690 (+573)
5K → 10K
7:29/mi
23:16 split
15K· 9.32 mi
1:10:30
Rank: #10690
10K → 15K
7:39/mi
23:45 split
20K· 12.43 mi
1:33:01
Rank: #9522 (+1168)
15K → 20K
7:15/mi
22:31 split
Half· 13.11 mi
1:37:56
Rank: #9365 (+157)
20K → Half
7:12/mi
4:55 split
25K· 15.53 mi
1:59:02
Rank: #10251 (-886)
Half → 25K
8:42/mi
21:06 split
30K· 18.64 mi
2:31:38
Rank: #12570 (-2319)
25K → 30K
10:30/mi
32:36 split
20M
2:49:23
Rank: #14196 (-1626)
30K → 20M
13:04/mi
17:45 split
21M
3:04:47
Rank: #15528 (-1332)
20M → 21M
15:24/mi
15:24 split
35K· 21.75 mi
3:11:56
Rank: #15558 (-30)
21M → 35K
9:33/mi
7:09 split
23M
3:25:45
Rank: #15852 (-294)
35K → 23M
11:02/mi
13:49 split
24M
3:36:01
Rank: #15942 (-90)
23M → 24M
10:16/mi
10:16 split
40K· 24.85 mi
3:45:31
Rank: #16058 (-116)
24M → 40K
11:07/mi
9:30 split
25.2M
3:49:37
Rank: #16075 (-17)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
3:59:20
Rank: #16112 (-37)
25.2M → Finish
9:32/mi
9:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:56
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time2:21:24
Pace10:47 /mi
📊Positive Split: 44.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2823:297:3423:29
7:34
-
10K
6.21 mi11:17:4446:457:3123:16
7:29
-0:05
15K
9.32 mi11:41:291:10:307:3423:45
7:39
+0:10
20K
12.43 mi12:04:001:33:017:2922:31
7:15
-0:24
Half
13.11 mi12:08:551:37:567:284:55
7:12
-0:03
25K
15.53 mi12:30:011:59:027:4021:06
8:42
+1:30
30K
18.64 mi13:02:372:31:388:0832:36
10:30
+1:48
20M
20.00 mi13:20:222:49:238:2817:45
13:04
+2:34
21M
21.00 mi13:35:463:04:478:4815:24
15:24
+2:20
35K
21.75 mi13:42:553:11:568:507:09
9:33
-5:51
23M
23.00 mi13:56:443:25:458:5713:49
11:02
+1:29
24M
24.00 mi14:07:003:36:019:0010:16
10:16
-0:46
40K
24.85 mi14:16:303:45:319:049:30
11:07
+0:51
25.2M
25.20 mi14:20:363:49:379:074:06
11:53
+0:46
Finish
26.22 mi14:30:193:59:209:089:43
9:32
-2:21

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

7:12 /mi

Average Pace

9:08 /mi

Slowest Pace

15:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:56

41% of race

Time at Steady Pace

1:20:50

34% of race

Time at Slower Pace

1:00:34

25% of race

Average Pace: 9:08 /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 mi10:54:2823:297:3423:29
7:34
#11263
10K
6.21 mi11:17:4446:457:3123:16
7:29
#10690
15K
9.32 mi11:41:291:10:307:3423:45
7:39
#10690
20K
12.43 mi12:04:001:33:017:2922:31
7:15
#9522
Half
13.11 mi12:08:551:37:567:284:55
7:12
#9365
25K
15.53 mi12:30:011:59:027:4021:06
8:42
#10251
30K
18.64 mi13:02:372:31:388:0832:36
10:30
#12570
20M
20.00 mi13:20:222:49:238:2817:45
13:04
#14196
21M
21.00 mi13:35:463:04:478:4815:24
15:24
#15528
35K
21.75 mi13:42:553:11:568:507:09
9:33
#15558
23M
23.00 mi13:56:443:25:458:5713:49
11:02
#15852
24M
24.00 mi14:07:003:36:019:0010:16
10:16
#15942
40K
24.85 mi14:16:303:45:319:049:30
11:07
#16058
25.2M
25.20 mi14:20:363:49:379:074:06
11:53
#16075
Finish
26.22 mi14:30:193:59:209:089:43
9:32
#16112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi112632710271010799(Top 42%)2588(Top 24%)2588(Top 160%)
10K6.21 mi3.10 mi10690+5732435+2752435+27510208(Top 40%)2203(Top 20%)2203(Top 137%)
15K9.32 mi3.11 mi106902462-272462-2710799(Top 42%)2588(Top 24%)2588(Top 160%)
20K12.43 mi3.11 mi9522+11681908+5541908+5546674(Top 26%)903(Top 8%)903(Top 56%)
Half13.11 mi0.68 mi9365+1571830+781830+787098(Top 28%)1042(Top 10%)1042(Top 65%)
25K15.53 mi2.42 mi10251-8862341-5112341-51114097(Top 55%)4665(Top 43%)4665(Top 289%)
30K18.64 mi3.11 mi12570-23193658-13173658-131718772(Top 73%)7452(Top 68%)7452(Top 462%)
20M20.00 mi1.36 mi14196-16264651-9934651-99322926(Top 90%)9718(Top 89%)9718(Top 602%)
21M21.00 mi1.00 mi15528-13325481-8305481-83024003(Top 94%)10266(Top 94%)10266(Top 636%)
35K21.75 mi0.75 mi15558-305526-455526-4515709(Top 61%)6192(Top 57%)6192(Top 384%)
23M23.00 mi1.25 mi15852-2945732-2065732-20618529(Top 73%)7665(Top 70%)7665(Top 475%)
24M24.00 mi1.00 mi15942-905809-775809-7717186(Top 67%)7047(Top 65%)7047(Top 437%)
40K24.85 mi0.85 mi16058-1165902-935902-9318389(Top 72%)7692(Top 70%)7692(Top 477%)
25.2M25.20 mi0.35 mi16075-175922-205922-2017104(Top 67%)7098(Top 65%)7098(Top 440%)
Finish26.22 mi1.02 mi16112-375971-495971-4916699(Top 65%)6862(Top 63%)6862(Top 425%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

10799

Females

2588

F40-44

2588

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10208

Females

2203

F40-44

2203

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

10799

Females

2588

F40-44

2588

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6674

Females

903

F40-44

903

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7098

Females

1042

F40-44

1042

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14097

Females

4665

F40-44

4665

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

18772

Females

7452

F40-44

7452

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

22926

Females

9718

F40-44

9718

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

24003

Females

10266

F40-44

10266

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15709

Females

6192

F40-44

6192

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

18529

Females

7665

F40-44

7665

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17186

Females

7047

F40-44

7047

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18389

Females

7692

F40-44

7692

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17104

Females

7098

F40-44

7098

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16699

Females

6862

F40-44

6862

Passing Analysis

Category:
Athletes Passed
2615*
Passed By
7461
Net Change
-4849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11263
5K → 10K64572+573#11263#10690
10K → 15K2272270#10690#10690
15K → 20K1169*1+1168#10690#9522
20K → Half1570+157#9522#9365
Half → 25K56940-886#9365#10251
25K → 30K192337-2319#10251#12570
30K → 20M71633-1626#12570#14196
20M → 21M81340-1332#14196#15528
21M → 35K6494-30#15528#15558
35K → 23M58352-294#15558#15852
23M → 24M48138-90#15852#15942
24M → 40K58174-116#15942#16058
40K → 25.2M2946-17#16058#16075
25.2M → Finish70107-37#16075#16112
TOTALS2615*7461-4849

* 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