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BOSTON MARATHON 2024

Zara Baird

Bib: 18290•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Division (F18-39)
#0 / 4660
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #10163
Start → 5K
23:04 | 7:25/mi
10K· 6.21 mi
46:14
Rank: #9951 (+212)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:32
Rank: #9824 (+127)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:47
Rank: #10002 (-178)
15K → 20K
24:15 | 7:48/mi
Half· 13.11 mi
1:39:04
Rank: #10048 (-46)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
1:58:32
Rank: #10018 (+30)
Half → 25K
19:28 | 8:02/mi
30K· 18.64 mi
2:24:27
Rank: #9901 (+117)
25K → 30K
25:55 | 8:21/mi
20M
2:35:59
Rank: #9777 (+124)
30K → 20M
11:32 | 8:29/mi
21M
2:45:06
Rank: #9675 (+102)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
2:51:12
Rank: #9590 (+85)
21M → 35K
6:06 | 8:09/mi
23M
3:02:59
Rank: #9817 (-227)
35K → 23M
11:47 | 9:25/mi
24M
3:12:14
Rank: #9980 (-163)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:21:21
Rank: #10367 (-387)
24M → 40K
9:07 | 10:40/mi
25.2M
3:25:08
Rank: #10456 (-89)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:35:31
Rank: #10887 (-431)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:04
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:56:27
Pace8:53 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2523:047:2523:04
7:25
-
10K
6.21 mi11:38:3546:147:2623:10
7:27
+0:02
15K
9.32 mi12:01:531:09:327:2823:18
7:30
+0:03
20K
12.43 mi12:26:081:33:477:3324:15
7:48
+0:18
Half
13.11 mi12:31:251:39:047:335:17
7:45
-0:03
25K
15.53 mi12:50:531:58:327:3819:28
8:02
+0:17
30K
18.64 mi13:16:482:24:277:4525:55
8:21
+0:19
20M
20.00 mi13:28:202:35:597:4811:32
8:29
+0:08
21M
21.00 mi13:37:272:45:067:529:07
9:07
+0:38
35K
21.75 mi13:43:332:51:127:526:06
8:09
-0:58
23M
23.00 mi13:55:203:02:597:5711:47
9:25
+1:16
24M
24.00 mi14:04:353:12:148:019:15
9:15
-0:10
40K
24.85 mi14:13:423:21:218:069:07
10:40
+1:25
25.2M
25.20 mi14:17:293:25:088:083:47
10:58
+0:18
Finish
26.22 mi14:27:523:35:318:1410:23
10:11
-0:47

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

7:25 /mi

Average Pace

8:14 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:49

35% of race

Time at Steady Pace

1:27:16

40% of race

Time at Slower Pace

53:26

25% of race

Average Pace: 8:13 /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 mi11:15:2523:047:2523:04
7:25
#10163
10K
6.21 mi11:38:3546:147:2623:10
7:27
#9951
15K
9.32 mi12:01:531:09:327:2823:18
7:30
#9824
20K
12.43 mi12:26:081:33:477:3324:15
7:48
#10002
Half
13.11 mi12:31:251:39:047:335:17
7:45
#10048
25K
15.53 mi12:50:531:58:327:3819:28
8:02
#10018
30K
18.64 mi13:16:482:24:277:4525:55
8:21
#9901
20M
20.00 mi13:28:202:35:597:4811:32
8:29
#9777
21M
21.00 mi13:37:272:45:067:529:07
9:07
#9675
35K
21.75 mi13:43:332:51:127:526:06
8:09
#9590
23M
23.00 mi13:55:203:02:597:5711:47
9:25
#9817
24M
24.00 mi14:04:353:12:148:019:15
9:15
#9980
40K
24.85 mi14:13:423:21:218:069:07
10:40
#10367
25.2M
25.20 mi14:17:293:25:088:083:47
10:58
#10456
Finish
26.22 mi14:27:523:35:318:1410:23
10:11
#10887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10163209720979692(Top 38%)2022(Top 19%)2022(Top 43%)
10K6.21 mi3.10 mi9951+2122021+762021+769922(Top 39%)2064(Top 19%)2064(Top 44%)
15K9.32 mi3.11 mi9824+1272005+162005+169692(Top 38%)2022(Top 19%)2022(Top 43%)
20K12.43 mi3.11 mi10002-1782148-1432148-14310482(Top 41%)2572(Top 24%)2572(Top 55%)
Half13.11 mi0.68 mi10048-462185-372185-3710980(Top 43%)2800(Top 26%)2800(Top 60%)
25K15.53 mi2.42 mi10018+302230-452230-4510388(Top 41%)2682(Top 25%)2682(Top 58%)
30K18.64 mi3.11 mi9901+1172271-412271-419794(Top 38%)2604(Top 24%)2604(Top 56%)
20M20.00 mi1.36 mi9777+1242261+102261+109388(Top 37%)2654(Top 24%)2654(Top 57%)
21M21.00 mi1.00 mi9675+102226122619126(Top 36%)2759(Top 25%)2759(Top 59%)
35K21.75 mi0.75 mi9590+852265-42265-48769(Top 34%)2600(Top 24%)2600(Top 56%)
23M23.00 mi1.25 mi9817-2272444-1792444-17913115(Top 51%)4960(Top 45%)4960(Top 106%)
24M24.00 mi1.00 mi9980-1632559-1152559-11513332(Top 52%)5086(Top 47%)5086(Top 109%)
40K24.85 mi0.85 mi10367-3872799-2402799-24017170(Top 67%)7103(Top 65%)7103(Top 152%)
25.2M25.20 mi0.35 mi10456-892870-712870-7114393(Top 56%)5736(Top 53%)5736(Top 123%)
Finish26.22 mi1.02 mi10887-4313138-2683138-26819050(Top 75%)7987(Top 73%)7987(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9692

Females

2022

F18-39

2022

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

9922

Females

2064

F18-39

2064

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9692

Females

2022

F18-39

2022

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10482

Females

2572

F18-39

2572

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

10980

Females

2800

F18-39

2800

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10388

Females

2682

F18-39

2682

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9794

Females

2604

F18-39

2604

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9388

Females

2654

F18-39

2654

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9126

Females

2759

F18-39

2759

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8769

Females

2600

F18-39

2600

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13115

Females

4960

F18-39

4960

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13332

Females

5086

F18-39

5086

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17170

Females

7103

F18-39

7103

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14393

Females

5736

F18-39

5736

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19050

Females

7987

F18-39

7987

Passing Analysis

Category:
Athletes Passed
2114*
Passed By
2831
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10163
5K → 10K374*162+212#10163#9951
10K → 15K274147+127#9951#9824
15K → 20K166342-178#9824#10002
20K → Half2065-46#10002#10048
Half → 25K221190+30#10048#10018
25K → 30K329212+117#10018#9901
30K → 20M20681+124#9901#9777
20M → 21M17775+102#9777#9675
21M → 35K12540+85#9675#9590
35K → 23M93319-227#9590#9817
23M → 24M62*225-163#9817#9980
24M → 40K24410-387#9980#10367
40K → 25.2M20109-89#10367#10456
25.2M → Finish23454-431#10456#10887
TOTALS2114*2831-724

* 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