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BOSTON MARATHON 2024

Cason Zylinski

Bib: 13877•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Female)
#0 / 10924
Top 15%
Masters (Masters Women)
#0 / 6263
Top 6%
Division (F40-44)
#0 / 1613
Top 14%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #6769
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
44:08
Rank: #7475 (-706)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:07:12
Rank: #7944 (-469)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:30:44
Rank: #8134 (-190)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:35:52
Rank: #8188 (-54)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:54:33
Rank: #8133 (+55)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:19:41
Rank: #8104 (+29)
25K → 30K
25:08 | 8:05/mi
20M
2:30:53
Rank: #8051 (+53)
30K → 20M
11:12 | 8:15/mi
21M
2:40:07
Rank: #8067 (-16)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:46:13
Rank: #8056 (+11)
21M → 35K
6:06 | 8:09/mi
23M
2:56:51
Rank: #7976 (+80)
35K → 23M
10:38 | 8:30/mi
24M
3:05:03
Rank: #7911 (+65)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:12:13
Rank: #7852 (+59)
24M → 40K
7:10 | 8:23/mi
25.2M
3:15:24
Rank: #7823 (+29)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:23:35
Rank: #7796 (+27)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:52
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:47:43
Pace8:13 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0721:366:5721:36
6:57
-
10K
6.21 mi11:13:3944:087:0622:32
7:15
+0:18
15K
9.32 mi11:36:431:07:127:1323:04
7:25
+0:10
20K
12.43 mi12:00:151:30:447:1823:32
7:34
+0:09
Half
13.11 mi12:05:231:35:527:195:08
7:31
-0:03
25K
15.53 mi12:24:041:54:337:2218:41
7:42
+0:11
30K
18.64 mi12:49:122:19:417:3025:08
8:05
+0:23
20M
20.00 mi13:00:242:30:537:3311:12
8:15
+0:10
21M
21.00 mi13:09:382:40:077:379:14
9:14
+0:59
35K
21.75 mi13:15:442:46:137:396:06
8:09
-1:05
23M
23.00 mi13:26:222:56:517:4110:38
8:30
+0:21
24M
24.00 mi13:34:343:05:037:438:12
8:12
-0:18
40K
24.85 mi13:41:443:12:137:447:10
8:23
+0:11
25.2M
25.20 mi13:44:553:15:247:453:11
9:14
+0:51
Finish
26.22 mi13:53:063:23:357:468:11
8:02
-1:12

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

6:57 /mi

Average Pace

7:46 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:33

56% of race

Time at Steady Pace

1:05:59

32% of race

Time at Slower Pace

23:03

11% of race

Average Pace: 7:46 /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 mi10:51:0721:366:5721:36
6:57
#6769
10K
6.21 mi11:13:3944:087:0622:32
7:15
#7475
15K
9.32 mi11:36:431:07:127:1323:04
7:25
#7944
20K
12.43 mi12:00:151:30:447:1823:32
7:34
#8134
Half
13.11 mi12:05:231:35:527:195:08
7:31
#8188
25K
15.53 mi12:24:041:54:337:2218:41
7:42
#8133
30K
18.64 mi12:49:122:19:417:3025:08
8:05
#8104
20M
20.00 mi13:00:242:30:537:3311:12
8:15
#8051
21M
21.00 mi13:09:382:40:077:379:14
9:14
#8067
35K
21.75 mi13:15:442:46:137:396:06
8:09
#8056
23M
23.00 mi13:26:222:56:517:4110:38
8:30
#7976
24M
24.00 mi13:34:343:05:037:438:12
8:12
#7911
40K
24.85 mi13:41:443:12:137:447:10
8:23
#7852
25.2M
25.20 mi13:44:553:15:247:453:11
9:14
#7823
Finish
26.22 mi13:53:063:23:357:468:11
8:02
#7796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi67697527529077(Top 36%)1725(Top 16%)1725(Top 107%)
10K6.21 mi3.10 mi7475-7061000-2481000-2488306(Top 33%)1361(Top 12%)1361(Top 84%)
15K9.32 mi3.11 mi7944-4691202-2021202-2029077(Top 36%)1725(Top 16%)1725(Top 107%)
20K12.43 mi3.11 mi8134-1901295-931295-938923(Top 35%)1771(Top 16%)1771(Top 110%)
Half13.11 mi0.68 mi8188-541319-241319-249337(Top 37%)1969(Top 18%)1969(Top 122%)
25K15.53 mi2.42 mi8133+551351-321351-328332(Top 33%)1698(Top 16%)1698(Top 105%)
30K18.64 mi3.11 mi8104+291434-831434-838399(Top 33%)1933(Top 18%)1933(Top 120%)
20M20.00 mi1.36 mi8051+531463-291463-298076(Top 32%)2015(Top 18%)2015(Top 125%)
21M21.00 mi1.00 mi8067-161517-541517-549639(Top 38%)3022(Top 28%)3022(Top 187%)
35K21.75 mi0.75 mi8056+111542-251542-258726(Top 34%)2557(Top 23%)2557(Top 159%)
23M23.00 mi1.25 mi7976+801572-301572-308451(Top 33%)2596(Top 24%)2596(Top 161%)
24M24.00 mi1.00 mi7911+651583-111583-117770(Top 30%)2361(Top 22%)2361(Top 146%)
40K24.85 mi0.85 mi7852+591601-181601-187771(Top 30%)2489(Top 23%)2489(Top 154%)
25.2M25.20 mi0.35 mi7823+291613-121613-127638(Top 30%)2477(Top 23%)2477(Top 154%)
Finish26.22 mi1.02 mi7796+271651-381651-388722(Top 34%)2913(Top 27%)2913(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9077

Females

1725

F40-44

1725

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8306

Females

1361

F40-44

1361

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9077

Females

1725

F40-44

1725

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8923

Females

1771

F40-44

1771

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9337

Females

1969

F40-44

1969

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8332

Females

1698

F40-44

1698

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8399

Females

1933

F40-44

1933

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8076

Females

2015

F40-44

2015

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9639

Females

3022

F40-44

3022

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8726

Females

2557

F40-44

2557

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8451

Females

2596

F40-44

2596

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7770

Females

2361

F40-44

2361

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7771

Females

2489

F40-44

2489

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7638

Females

2477

F40-44

2477

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8722

Females

2913

F40-44

2913

Passing Analysis

Category:
Athletes Passed
1645
Passed By
2672
Net Change
-1027
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6769
5K → 10K40746-706#6769#7475
10K → 15K63532-469#7475#7944
15K → 20K121311-190#7944#8134
20K → Half1771-54#8134#8188
Half → 25K222167+55#8188#8133
25K → 30K282253+29#8133#8104
30K → 20M15097+53#8104#8051
20M → 21M120136-16#8051#8067
21M → 35K7968+11#8067#8056
35K → 23M16787+80#8056#7976
23M → 24M11954+65#7976#7911
24M → 40K11051+59#7911#7852
40K → 25.2M5627+29#7852#7823
25.2M → Finish9972+27#7823#7796
TOTALS16452672-1027
📊

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