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BOSTON MARATHON 2024

Justyna Zarzycka

Bib: 30394•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:32/mi
29:36
↑ 97↓ 3451.5%
10K· 6.21 mi
10:58/mi
1:03:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:46/mi
1:37:07
↑ 67↓ 78
20K· 12.43 mi
11:23/mi
2:12:29
↑ 106↓ 860.1%
Half· 13.11 mi
10:54/mi
2:19:55
↑ 19↓ 370.5%
25K· 15.53 mi
11:50/mi
2:48:37
↑ 66↓ 880.2%
30K· 18.64 mi
13:40/mi
3:31:05
↑ 181↓ 1480.2%
20M
11:16/mi
3:46:24
↑ 64↓ 500.2%
21M
13:02/mi
3:59:26
↑ 106↓ 241.6%
35K· 21.75 mi
11:43/mi
4:08:12
↑ 17↓ 861.7%
23M
11:16/mi
4:22:18
↑ 23↓ 630.6%
24M
11:40/mi
4:33:58
↓ 821.3%
40K· 24.85 mi
11:15/mi
4:43:35
↓ 200.3%
25.2M
12:11/mi
4:47:47
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
4:57:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:55
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:38:03
Pace12:03 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3929:369:3229:36
9:32
-
10K
6.21 mi12:29:421:03:3910:1534:03
10:58
+1:26
15K
9.32 mi13:03:101:37:0710:2533:28
10:46
-0:12
20K
12.43 mi13:38:322:12:2910:4035:22
11:23
+0:37
Half
13.11 mi13:45:582:19:5510:407:26
10:54
-0:29
25K
15.53 mi14:14:402:48:3710:5128:42
11:50
+0:56
30K
18.64 mi14:57:083:31:0511:1942:28
13:40
+1:50
20M
20.00 mi15:12:273:46:2411:1915:19
11:16
-2:24
21M
21.00 mi15:25:293:59:2611:2413:02
13:02
+1:46
35K
21.75 mi15:34:154:08:1211:258:46
11:43
-1:19
23M
23.00 mi15:48:214:22:1811:2414:06
11:16
-0:27
24M
24.00 mi16:00:014:33:5811:2511:40
11:40
+0:24
40K
24.85 mi16:09:384:43:3511:259:37
11:15
-0:25
25.2M
25.20 mi16:13:504:47:4711:254:12
12:11
+0:56
Finish
26.22 mi16:24:014:57:5811:2210:11
10:00
-2:11

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

9:32 /mi

Average Pace

11:22 /mi

Slowest Pace

13:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:47

13% of race

Time at Steady Pace

2:49:47

57% of race

Time at Slower Pace

1:28:24

30% of race

Average Pace: 11:22 /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 mi11:55:3929:369:3229:36
9:32
#21821
10K
6.21 mi12:29:421:03:3910:1534:03
10:58
#23283
15K
9.32 mi13:03:101:37:0710:2533:28
10:46
#23330
20K
12.43 mi13:38:322:12:2910:4035:22
11:23
#23345
Half
13.11 mi13:45:582:19:5510:407:26
10:54
#23351
25K
15.53 mi14:14:402:48:3710:5128:42
11:50
#23301
30K
18.64 mi14:57:083:31:0511:1942:28
13:40
#23514
20M
20.00 mi15:12:273:46:2411:1915:19
11:16
#23288
21M
21.00 mi15:25:293:59:2611:2413:02
13:02
#23169
35K
21.75 mi15:34:154:08:1211:258:46
11:43
#23108
23M
23.00 mi15:48:214:22:1811:2414:06
11:16
#22954
24M
24.00 mi16:00:014:33:5811:2511:40
11:40
#22887
40K
24.85 mi16:09:384:43:3511:259:37
11:15
#22781
25.2M
25.20 mi16:13:504:47:4711:254:12
12:11
#22713
Finish
26.22 mi16:24:014:57:5811:2210:11
10:00
#22606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi218218829882923397(Top 92%)9631(Top 88%)9631(Top 549%)
10K6.21 mi3.10 mi23283-14629559-7309559-73024217(Top 95%)10096(Top 92%)10096(Top 576%)
15K9.32 mi3.11 mi23330-479580-219580-2123397(Top 92%)9631(Top 88%)9631(Top 549%)
20K12.43 mi3.11 mi23345-159616-369616-3623242(Top 91%)9583(Top 88%)9583(Top 547%)
Half13.11 mi0.68 mi23351-69624-89624-823368(Top 91%)9699(Top 89%)9699(Top 553%)
25K15.53 mi2.42 mi23301+509621+39621+322903(Top 90%)9488(Top 87%)9488(Top 541%)
30K18.64 mi3.11 mi23514-2139760-1399760-13923949(Top 94%)10138(Top 93%)10138(Top 578%)
20M20.00 mi1.36 mi23288+2269680+809680+8019931(Top 78%)8188(Top 75%)8188(Top 467%)
21M21.00 mi1.00 mi23169+1199627+539627+5320809(Top 81%)8713(Top 80%)8713(Top 497%)
35K21.75 mi0.75 mi23108+619607+209607+2021305(Top 83%)9001(Top 82%)9001(Top 513%)
23M23.00 mi1.25 mi22954+1549536+719536+7119109(Top 75%)7946(Top 73%)7946(Top 453%)
24M24.00 mi1.00 mi22887+679513+239513+2320755(Top 81%)8814(Top 81%)8814(Top 503%)
40K24.85 mi0.85 mi22781+1069464+499464+4918754(Top 73%)7894(Top 72%)7894(Top 450%)
25.2M25.20 mi0.35 mi22713+689435+299435+2917826(Top 70%)7471(Top 68%)7471(Top 426%)
Finish26.22 mi1.02 mi22606+1079398+379398+3718376(Top 72%)7684(Top 70%)7684(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

23397

Females

9631

F45-49

9631

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

24217

Females

10096

F45-49

10096

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

23397

Females

9631

F45-49

9631

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23242

Females

9583

F45-49

9583

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23368

Females

9699

F45-49

9699

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

22903

Females

9488

F45-49

9488

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

23949

Females

10138

F45-49

10138

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19931

Females

8188

F45-49

8188

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20809

Females

8713

F45-49

8713

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21305

Females

9001

F45-49

9001

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19109

Females

7946

F45-49

7946

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20755

Females

8814

F45-49

8814

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18754

Females

7894

F45-49

7894

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17826

Females

7471

F45-49

7471

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18376

Females

7684

F45-49

7684

Passing Analysis

Category:
Athletes Passed
1445
Passed By
2230
Net Change
-785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21821
5K → 10K91471-1462#21821#23283
10K → 15K127174-47#23283#23330
15K → 20K143158-15#23330#23345
20K → Half2329-6#23345#23351
Half → 25K13989+50#23351#23301
25K → 30K58271-213#23301#23514
30K → 20M2271+226#23514#23288
20M → 21M1289+119#23288#23169
21M → 35K643+61#23169#23108
35K → 23M1595+154#23108#22954
23M → 24M8114+67#22954#22887
24M → 40K1082+106#22887#22781
40K → 25.2M713+68#22781#22713
25.2M → Finish1081+107#22713#22606
TOTALS14452230-785
📊

Passing Visuals

Category:
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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