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BOSTON MARATHON 2024

Julia Vizbar

Bib: 18302•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 14%
Division (F40-44)
#0 / 1613
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #13902
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
48:23
Rank: #12767 (+1135)
5K → 10K
23:50 | 7:40/mi
15K· 9.32 mi
1:12:32
Rank: #12378 (+389)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:38:00
Rank: #12546 (-168)
15K → 20K
25:28 | 8:12/mi
Half· 13.11 mi
1:43:05
Rank: #12325 (+221)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
2:02:02
Rank: #11656 (+669)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:27:30
Rank: #11034 (+622)
25K → 30K
25:28 | 8:12/mi
20M
2:38:53
Rank: #10794 (+240)
30K → 20M
11:23 | 8:23/mi
21M
2:47:40
Rank: #10523 (+271)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:53:54
Rank: #10458 (+65)
21M → 35K
6:14 | 8:20/mi
23M
3:04:53
Rank: #10354 (+104)
35K → 23M
10:59 | 8:46/mi
24M
3:13:19
Rank: #10269 (+85)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:21:04
Rank: #10297 (-28)
24M → 40K
7:45 | 9:04/mi
25.2M
3:24:53
Rank: #10392 (-95)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
3:33:48
Rank: #10473 (-81)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1824:337:5424:33
7:54
-
10K
6.21 mi11:40:0848:237:4723:50
7:40
-0:14
15K
9.32 mi12:04:171:12:327:4724:09
7:46
+0:06
20K
12.43 mi12:29:451:38:007:5325:28
8:12
+0:26
Half
13.11 mi12:34:501:43:057:525:05
7:27
-0:45
25K
15.53 mi12:53:472:02:027:5118:57
7:49
+0:22
30K
18.64 mi13:19:152:27:307:5525:28
8:12
+0:23
20M
20.00 mi13:30:382:38:537:5711:23
8:23
+0:11
21M
21.00 mi13:39:252:47:407:598:47
8:47
+0:24
35K
21.75 mi13:45:392:53:548:006:14
8:20
-0:27
23M
23.00 mi13:56:383:04:538:0210:59
8:46
+0:26
24M
24.00 mi14:05:043:13:198:038:26
8:26
-0:20
40K
24.85 mi14:12:493:21:048:057:45
9:04
+0:38
25.2M
25.20 mi14:16:383:24:538:083:49
11:04
+2:00
Finish
26.22 mi14:25:333:33:488:108:55
8:45
-2:19

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

7:27 /mi

Average Pace

8:10 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:34

45% of race

Time at Steady Pace

1:25:54

40% of race

Time at Slower Pace

31:20

15% of race

Average Pace: 8:09 /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 mi11:16:1824:337:5424:33
7:54
#13902
10K
6.21 mi11:40:0848:237:4723:50
7:40
#12767
15K
9.32 mi12:04:171:12:327:4724:09
7:46
#12378
20K
12.43 mi12:29:451:38:007:5325:28
8:12
#12546
Half
13.11 mi12:34:501:43:057:525:05
7:27
#12325
25K
15.53 mi12:53:472:02:027:5118:57
7:49
#11656
30K
18.64 mi13:19:152:27:307:5525:28
8:12
#11034
20M
20.00 mi13:30:382:38:537:5711:23
8:23
#10794
21M
21.00 mi13:39:252:47:407:598:47
8:47
#10523
35K
21.75 mi13:45:392:53:548:006:14
8:20
#10458
23M
23.00 mi13:56:383:04:538:0210:59
8:46
#10354
24M
24.00 mi14:05:043:13:198:038:26
8:26
#10269
40K
24.85 mi14:12:493:21:048:057:45
9:04
#10297
25.2M
25.20 mi14:16:383:24:538:083:49
11:04
#10392
Finish
26.22 mi14:25:333:33:488:108:55
8:45
#10473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi139024249424911732(Top 46%)3088(Top 28%)3088(Top 191%)
10K6.21 mi3.10 mi12767+11353605+6443605+64411661(Top 46%)3009(Top 28%)3009(Top 187%)
15K9.32 mi3.11 mi12378+3893400+2053400+20511732(Top 46%)3088(Top 28%)3088(Top 191%)
20K12.43 mi3.11 mi12546-1683513-1133513-11313116(Top 51%)3905(Top 36%)3905(Top 242%)
Half13.11 mi0.68 mi12325+2213399+1143399+1148831(Top 35%)1752(Top 16%)1752(Top 109%)
25K15.53 mi2.42 mi11656+6693068+3313068+3319044(Top 35%)2030(Top 19%)2030(Top 126%)
30K18.64 mi3.11 mi11034+6222846+2222846+2229005(Top 35%)2220(Top 20%)2220(Top 138%)
20M20.00 mi1.36 mi10794+2402777+692777+698804(Top 34%)2377(Top 22%)2377(Top 147%)
21M21.00 mi1.00 mi10523+2712697+802697+807564(Top 30%)1984(Top 18%)1984(Top 123%)
35K21.75 mi0.75 mi10458+652695+22695+29799(Top 38%)3115(Top 29%)3115(Top 193%)
23M23.00 mi1.25 mi10354+1042706-112706-119956(Top 39%)3371(Top 31%)3371(Top 209%)
24M24.00 mi1.00 mi10269+852713-72713-79070(Top 35%)2979(Top 27%)2979(Top 185%)
40K24.85 mi0.85 mi10297-282766-532766-5311171(Top 44%)4125(Top 38%)4125(Top 256%)
25.2M25.20 mi0.35 mi10392-952835-692835-6914731(Top 58%)5896(Top 54%)5896(Top 366%)
Finish26.22 mi1.02 mi10473-812920-852920-8512911(Top 51%)4914(Top 45%)4914(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

11732

Females

3088

F40-44

3088

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

11661

Females

3009

F40-44

3009

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

11732

Females

3088

F40-44

3088

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13116

Females

3905

F40-44

3905

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

8831

Females

1752

F40-44

1752

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9044

Females

2030

F40-44

2030

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9005

Females

2220

F40-44

2220

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8804

Females

2377

F40-44

2377

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7564

Females

1984

F40-44

1984

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9799

Females

3115

F40-44

3115

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

9956

Females

3371

F40-44

3371

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9070

Females

2979

F40-44

2979

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11171

Females

4125

F40-44

4125

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14731

Females

5896

F40-44

5896

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

12911

Females

4914

F40-44

4914

Passing Analysis

Category:
Athletes Passed
4504*
Passed By
1075
Net Change
+3429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13902
5K → 10K116429+1135#13902#12767
10K → 15K45162+389#12767#12378
15K → 20K193361-168#12378#12546
20K → Half2210+221#12546#12325
Half → 25K6701+669#12325#11656
25K → 30K66139+622#11656#11034
30K → 20M27737+240#11034#10794
20M → 21M29019+271#10794#10523
21M → 35K10136+65#10523#10458
35K → 23M18480+104#10458#10354
23M → 24M13651+85#10354#10269
24M → 40K74*102-28#10269#10297
40K → 25.2M22117-95#10297#10392
25.2M → Finish60141-81#10392#10473
TOTALS4504*1075+3429

* 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