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BOSTON MARATHON 2024

Claudia Chazy

Bib: 10840•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Female)
#0 / 10924
Top 8%
Masters (Masters Women)
#0 / 6263
Top 3%
Division (F45-49)
#0 / 1753
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #10051
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
45:51
Rank: #9482 (+569)
5K → 10K
22:49 | 7:21/mi
15K· 9.32 mi
1:08:20
Rank: #8850 (+632)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:31:12
Rank: #8405 (+445)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:36:09
Rank: #8345 (+60)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:54
Rank: #7835 (+510)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:17:41
Rank: #7357 (+478)
25K → 30K
23:47 | 7:39/mi
20M
2:28:10
Rank: #7131 (+226)
30K → 20M
10:29 | 7:43/mi
21M
2:36:11
Rank: #6803 (+328)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:41:37
Rank: #6623 (+180)
21M → 35K
5:26 | 7:16/mi
23M
2:51:03
Rank: #6309 (+314)
35K → 23M
9:26 | 7:32/mi
24M
2:58:23
Rank: #6092 (+217)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:04:48
Rank: #5885 (+207)
24M → 40K
6:25 | 7:30/mi
25.2M
3:07:41
Rank: #5826 (+59)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:15:17
Rank: #5750 (+76)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5623:027:2523:02
7:25
-
10K
6.21 mi11:12:4545:517:2322:49
7:21
-0:04
15K
9.32 mi11:35:141:08:207:2022:29
7:14
-0:07
20K
12.43 mi11:58:061:31:127:2022:52
7:22
+0:08
Half
13.11 mi12:03:031:36:097:204:57
7:15
-0:07
25K
15.53 mi12:20:481:53:547:2017:45
7:19
+0:04
30K
18.64 mi12:44:352:17:417:2323:47
7:39
+0:20
20M
20.00 mi12:55:042:28:107:2410:29
7:43
+0:04
21M
21.00 mi13:03:052:36:117:268:01
8:01
+0:18
35K
21.75 mi13:08:312:41:377:265:26
7:16
-0:45
23M
23.00 mi13:17:572:51:037:269:26
7:32
+0:16
24M
24.00 mi13:25:172:58:237:267:20
7:20
-0:12
40K
24.85 mi13:31:423:04:487:266:25
7:30
+0:10
25.2M
25.20 mi13:34:353:07:417:272:53
8:22
+0:52
Finish
26.22 mi13:42:113:15:177:277:36
7:27
-0:55

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

7:14 /mi

Average Pace

7:27 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:23

94% of race

Time at Steady Pace

10:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:49:5623:027:2523:02
7:25
#10051
10K
6.21 mi11:12:4545:517:2322:49
7:21
#9482
15K
9.32 mi11:35:141:08:207:2022:29
7:14
#8850
20K
12.43 mi11:58:061:31:127:2022:52
7:22
#8405
Half
13.11 mi12:03:031:36:097:204:57
7:15
#8345
25K
15.53 mi12:20:481:53:547:2017:45
7:19
#7835
30K
18.64 mi12:44:352:17:417:2323:47
7:39
#7357
20M
20.00 mi12:55:042:28:107:2410:29
7:43
#7131
21M
21.00 mi13:03:052:36:117:268:01
8:01
#6803
35K
21.75 mi13:08:312:41:377:265:26
7:16
#6623
23M
23.00 mi13:17:572:51:037:269:26
7:32
#6309
24M
24.00 mi13:25:172:58:237:267:20
7:20
#6092
40K
24.85 mi13:31:423:04:487:266:25
7:30
#5885
25.2M
25.20 mi13:34:353:07:417:272:53
8:22
#5826
Finish
26.22 mi13:42:113:15:177:277:36
7:27
#5750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10051203820387741(Top 30%)1162(Top 11%)1162(Top 66%)
10K6.21 mi3.10 mi9482+5691815+2231815+2239013(Top 35%)1655(Top 15%)1655(Top 94%)
15K9.32 mi3.11 mi8850+6321576+2391576+2397741(Top 30%)1162(Top 11%)1162(Top 66%)
20K12.43 mi3.11 mi8405+4451413+1631413+1637360(Top 29%)1127(Top 10%)1127(Top 64%)
Half13.11 mi0.68 mi8345+601388+251388+257380(Top 29%)1115(Top 10%)1115(Top 64%)
25K15.53 mi2.42 mi7835+5101227+1611227+1615962(Top 23%)797(Top 7%)797(Top 45%)
30K18.64 mi3.11 mi7357+4781112+1151112+1155899(Top 23%)934(Top 9%)934(Top 53%)
20M20.00 mi1.36 mi7131+2261070+421070+425307(Top 21%)855(Top 8%)855(Top 49%)
21M21.00 mi1.00 mi6803+3281007+631007+634258(Top 17%)624(Top 6%)624(Top 36%)
35K21.75 mi0.75 mi6623+180976+31976+314050(Top 16%)549(Top 5%)549(Top 31%)
23M23.00 mi1.25 mi6309+314916+60916+603777(Top 15%)534(Top 5%)534(Top 30%)
24M24.00 mi1.00 mi6092+217884+32884+323509(Top 14%)518(Top 5%)518(Top 30%)
40K24.85 mi0.85 mi5885+207842+42842+423544(Top 14%)624(Top 6%)624(Top 36%)
25.2M25.20 mi0.35 mi5826+59838+4838+43966(Top 16%)808(Top 7%)808(Top 46%)
Finish26.22 mi1.02 mi5750+76839-1839-15407(Top 21%)1362(Top 12%)1362(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7741

Females

1162

F45-49

1162

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9013

Females

1655

F45-49

1655

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7741

Females

1162

F45-49

1162

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7360

Females

1127

F45-49

1127

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7380

Females

1115

F45-49

1115

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

5962

Females

797

F45-49

797

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5899

Females

934

F45-49

934

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5307

Females

855

F45-49

855

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4258

Females

624

F45-49

624

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4050

Females

549

F45-49

549

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3777

Females

534

F45-49

534

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3509

Females

518

F45-49

518

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3544

Females

624

F45-49

624

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

3966

Females

808

F45-49

808

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5407

Females

1362

F45-49

1362

Passing Analysis

Category:
Athletes Passed
4494*
Passed By
193
Net Change
+4301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10051
5K → 10K625*56+569#10051#9482
10K → 15K6397+632#9482#8850
15K → 20K46823+445#8850#8405
20K → Half666+60#8405#8345
Half → 25K5144+510#8345#7835
25K → 30K51032+478#7835#7357
30K → 20M24115+226#7357#7131
20M → 21M3335+328#7131#6803
21M → 35K1822+180#6803#6623
35K → 23M3184+314#6623#6309
23M → 24M2225+217#6309#6092
24M → 40K2092+207#6092#5885
40K → 25.2M667+59#5885#5826
25.2M → Finish10125+76#5826#5750
TOTALS4494*193+4301

* 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