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BOSTON MARATHON 2024

Zaire Armstrong

Bib: 30547•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:05
Rank: #21309
Start → 5K
29:05 | 9:22/mi
10K· 6.21 mi
57:55
Rank: #21038 (+271)
5K → 10K
28:50 | 9:17/mi
15K· 9.32 mi
1:26:03
Rank: #20426 (+612)
10K → 15K
28:08 | 9:03/mi
20K· 12.43 mi
1:56:05
Rank: #20239 (+187)
15K → 20K
30:02 | 9:40/mi
Half· 13.11 mi
2:02:35
Rank: #20240 (-1)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:26:27
Rank: #19957 (+283)
Half → 25K
23:52 | 9:51/mi
30K· 18.64 mi
2:57:25
Rank: #19431 (+526)
25K → 30K
30:58 | 9:58/mi
20M
3:10:36
Rank: #19116 (+315)
30K → 20M
13:11 | 9:42/mi
21M
3:21:02
Rank: #18852 (+264)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:28:07
Rank: #18703 (+149)
21M → 35K
7:05 | 9:28/mi
23M
3:40:08
Rank: #18397 (+306)
35K → 23M
12:01 | 9:36/mi
24M
3:49:09
Rank: #18162 (+235)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:57:46
Rank: #18033 (+129)
24M → 40K
8:37 | 10:05/mi
25.2M
4:01:13
Rank: #17904 (+129)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
4:10:34
Rank: #17780 (+124)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:35
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:07:59
Pace9:46 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1129:059:2229:05
9:22
-
10K
6.21 mi12:23:0157:559:1928:50
9:17
-0:05
15K
9.32 mi12:51:091:26:039:1428:08
9:03
-0:14
20K
12.43 mi13:21:111:56:059:2030:02
9:40
+0:37
Half
13.11 mi13:27:412:02:359:216:30
9:32
-0:08
25K
15.53 mi13:51:332:26:279:2623:52
9:51
+0:19
30K
18.64 mi14:22:312:57:259:3130:58
9:58
+0:07
20M
20.00 mi14:35:423:10:369:3213:11
9:42
-0:16
21M
21.00 mi14:46:083:21:029:3410:26
10:26
+0:44
35K
21.75 mi14:53:133:28:079:347:05
9:28
-0:58
23M
23.00 mi15:05:143:40:089:3412:01
9:36
+0:08
24M
24.00 mi15:14:153:49:099:339:01
9:01
-0:35
40K
24.85 mi15:22:523:57:469:348:37
10:05
+1:04
25.2M
25.20 mi15:26:194:01:139:343:27
10:00
-0:05
Finish
26.22 mi15:35:404:10:349:349:21
9:11
-0:49

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

9:01 /mi

Average Pace

9:34 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:06

79% of race

Time at Steady Pace

53:28

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:33 /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 mi11:54:1129:059:2229:05
9:22
#21309
10K
6.21 mi12:23:0157:559:1928:50
9:17
#21038
15K
9.32 mi12:51:091:26:039:1428:08
9:03
#20426
20K
12.43 mi13:21:111:56:059:2030:02
9:40
#20239
Half
13.11 mi13:27:412:02:359:216:30
9:32
#20240
25K
15.53 mi13:51:332:26:279:2623:52
9:51
#19957
30K
18.64 mi14:22:312:57:259:3130:58
9:58
#19431
20M
20.00 mi14:35:423:10:369:3213:11
9:42
#19116
21M
21.00 mi14:46:083:21:029:3410:26
10:26
#18852
35K
21.75 mi14:53:133:28:079:347:05
9:28
#18703
23M
23.00 mi15:05:143:40:089:3412:01
9:36
#18397
24M
24.00 mi15:14:153:49:099:339:01
9:01
#18162
40K
24.85 mi15:22:523:57:469:348:37
10:05
#18033
25.2M
25.20 mi15:26:194:01:139:343:27
10:00
#17904
Finish
26.22 mi15:35:404:10:349:349:21
9:11
#17780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213098569856919143(Top 75%)7324(Top 67%)7324(Top 157%)
10K6.21 mi3.10 mi21038+2718405+1648405+16420733(Top 81%)8214(Top 75%)8214(Top 176%)
15K9.32 mi3.11 mi20426+6128051+3548051+35419143(Top 75%)7324(Top 67%)7324(Top 157%)
20K12.43 mi3.11 mi20239+1877946+1057946+10519685(Top 77%)7635(Top 70%)7635(Top 164%)
Half13.11 mi0.68 mi20240-17944+27944+220152(Top 79%)7954(Top 73%)7954(Top 171%)
25K15.53 mi2.42 mi19957+2837814+1307814+13018685(Top 73%)7208(Top 66%)7208(Top 155%)
30K18.64 mi3.11 mi19431+5267605+2097605+20917255(Top 68%)6656(Top 61%)6656(Top 143%)
20M20.00 mi1.36 mi19116+3157469+1367469+13615381(Top 60%)5891(Top 54%)5891(Top 126%)
21M21.00 mi1.00 mi18852+2647348+1217348+12114629(Top 57%)5642(Top 52%)5642(Top 121%)
35K21.75 mi0.75 mi18703+1497286+627286+6215419(Top 60%)6056(Top 55%)6056(Top 130%)
23M23.00 mi1.25 mi18397+3067139+1477139+14713941(Top 55%)5392(Top 49%)5392(Top 116%)
24M24.00 mi1.00 mi18162+2357045+947045+9412293(Top 48%)4579(Top 42%)4579(Top 98%)
40K24.85 mi0.85 mi18033+1297001+447001+4415312(Top 60%)6173(Top 57%)6173(Top 132%)
25.2M25.20 mi0.35 mi17904+1296942+596942+5911049(Top 43%)4147(Top 38%)4147(Top 89%)
Finish26.22 mi1.02 mi17780+1246898+446898+4415061(Top 59%)6013(Top 55%)6013(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19143

Females

7324

F18-39

7324

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20733

Females

8214

F18-39

8214

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19143

Females

7324

F18-39

7324

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

19685

Females

7635

F18-39

7635

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20152

Females

7954

F18-39

7954

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18685

Females

7208

F18-39

7208

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17255

Females

6656

F18-39

6656

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15381

Females

5891

F18-39

5891

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

14629

Females

5642

F18-39

5642

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15419

Females

6056

F18-39

6056

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

13941

Females

5392

F18-39

5392

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12293

Females

4579

F18-39

4579

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15312

Females

6173

F18-39

6173

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11049

Females

4147

F18-39

4147

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15061

Females

6013

F18-39

6013

Passing Analysis

Category:
Athletes Passed
3896
Passed By
367
Net Change
+3529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21309
5K → 10K405134+271#21309#21038
10K → 15K62917+612#21038#20426
15K → 20K288101+187#20426#20239
20K → Half2829-1#20239#20240
Half → 25K32542+283#20240#19957
25K → 30K53812+526#19957#19431
30K → 20M3161+315#19431#19116
20M → 21M2673+264#19116#18852
21M → 35K1545+149#18852#18703
35K → 23M3093+306#18703#18397
23M → 24M2361+235#18397#18162
24M → 40K1389+129#18162#18033
40K → 25.2M1290+129#18033#17904
25.2M → Finish13410+124#17904#17780
TOTALS3896367+3529
📊

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