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BOSTON MARATHON 2024

Sarah Zentack

Bib: 14614•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 18%
Masters (Masters Women)
#0 / 6263
Top 8%
Division (F45-49)
#0 / 1753
Top 8%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:34
Rank: #8920
Start → 5K
7:16/mi
22:34 split
10K· 6.21 mi
45:31
Rank: #9098 (-178)
5K → 10K
7:23/mi
22:57 split
15K· 9.32 mi
1:08:44
Rank: #9155 (-57)
10K → 15K
7:28/mi
23:13 split
20K· 12.43 mi
1:32:07
Rank: #8957 (+198)
15K → 20K
7:32/mi
23:23 split
Half· 13.11 mi
1:37:11
Rank: #8935 (+22)
20K → Half
7:26/mi
5:04 split
25K· 15.53 mi
1:56:44
Rank: #9188 (-253)
Half → 25K
8:04/mi
19:33 split
30K· 18.64 mi
2:22:04
Rank: #9012 (+176)
25K → 30K
8:09/mi
25:20 split
20M
2:33:40
Rank: #8992 (+20)
30K → 20M
8:32/mi
11:36 split
21M
2:42:55
Rank: #8952 (+40)
20M → 21M
9:15/mi
9:15 split
35K· 21.75 mi
2:48:57
Rank: #8869 (+83)
21M → 35K
8:04/mi
6:02 split
23M
2:59:30
Rank: #8744 (+125)
35K → 23M
8:26/mi
10:33 split
24M
3:07:41
Rank: #8652 (+92)
23M → 24M
8:11/mi
8:11 split
40K· 24.85 mi
3:14:47
Rank: #8545 (+107)
24M → 40K
8:18/mi
7:06 split
25.2M
3:17:53
Rank: #8469 (+76)
40K → 25.2M
8:59/mi
3:06 split
Finish· 26.22 mi
3:26:03
Rank: #8421 (+48)
25.2M → Finish
8:01/mi
8:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5422:347:1622:34
7:16
-
10K
6.21 mi11:16:5145:317:2022:57
7:23
+0:07
15K
9.32 mi11:40:041:08:447:2223:13
7:28
+0:05
20K
12.43 mi12:03:271:32:077:2523:23
7:32
+0:04
Half
13.11 mi12:08:311:37:117:255:04
7:26
-0:06
25K
15.53 mi12:28:041:56:447:3119:33
8:04
+0:38
30K
18.64 mi12:53:242:22:047:3725:20
8:09
+0:05
20M
20.00 mi13:05:002:33:407:4111:36
8:32
+0:23
21M
21.00 mi13:14:152:42:557:459:15
9:15
+0:43
35K
21.75 mi13:20:172:48:577:466:02
8:04
-1:11
23M
23.00 mi13:30:502:59:307:4810:33
8:26
+0:22
24M
24.00 mi13:39:013:07:417:498:11
8:11
-0:15
40K
24.85 mi13:46:073:14:477:507:06
8:18
+0:07
25.2M
25.20 mi13:49:133:17:537:513:06
8:59
+0:41
Finish
26.22 mi13:57:233:26:037:528:10
8:01
-0:58

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

7:16 /mi

Average Pace

7:52 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:11

47% of race

Time at Steady Pace

1:14:22

36% of race

Time at Slower Pace

34:30

17% of race

Average Pace: 7:52 /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 mi10:53:5422:347:1622:34
7:16
#8920
10K
6.21 mi11:16:5145:317:2022:57
7:23
#9098
15K
9.32 mi11:40:041:08:447:2223:13
7:28
#9155
20K
12.43 mi12:03:271:32:077:2523:23
7:32
#8957
Half
13.11 mi12:08:311:37:117:255:04
7:26
#8935
25K
15.53 mi12:28:041:56:447:3119:33
8:04
#9188
30K
18.64 mi12:53:242:22:047:3725:20
8:09
#9012
20M
20.00 mi13:05:002:33:407:4111:36
8:32
#8992
21M
21.00 mi13:14:152:42:557:459:15
9:15
#8952
35K
21.75 mi13:20:172:48:577:466:02
8:04
#8869
23M
23.00 mi13:30:502:59:307:4810:33
8:26
#8744
24M
24.00 mi13:39:013:07:417:498:11
8:11
#8652
40K
24.85 mi13:46:073:14:477:507:06
8:18
#8545
25.2M
25.20 mi13:49:133:17:537:513:06
8:59
#8469
Finish
26.22 mi13:57:233:26:037:528:10
8:01
#8421
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8920154815489467(Top 37%)1904(Top 17%)1904(Top 109%)
10K6.21 mi3.10 mi9098-1781660-1121660-1129348(Top 37%)1812(Top 17%)1812(Top 103%)
15K9.32 mi3.11 mi9155-571695-351695-359467(Top 37%)1904(Top 17%)1904(Top 109%)
20K12.43 mi3.11 mi8957+1981649+461649+468576(Top 34%)1616(Top 15%)1616(Top 92%)
Half13.11 mi0.68 mi8935+221645+41645+48637(Top 34%)1646(Top 15%)1646(Top 94%)
25K15.53 mi2.42 mi9188-2531793-1481793-14810601(Top 41%)2771(Top 25%)2771(Top 158%)
30K18.64 mi3.11 mi9012+1761818-251818-258758(Top 34%)2102(Top 19%)2102(Top 120%)
20M20.00 mi1.36 mi8992+201870-521870-529635(Top 38%)2761(Top 25%)2761(Top 158%)
21M21.00 mi1.00 mi8952+401922-521922-529719(Top 38%)3064(Top 28%)3064(Top 175%)
35K21.75 mi0.75 mi8869+831911+111911+118198(Top 32%)2312(Top 21%)2312(Top 132%)
23M23.00 mi1.25 mi8744+1251920-91920-98066(Top 32%)2410(Top 22%)2410(Top 137%)
24M24.00 mi1.00 mi8652+921915+51915+57666(Top 30%)2318(Top 21%)2318(Top 132%)
40K24.85 mi0.85 mi8545+1071919-41919-47382(Top 29%)2323(Top 21%)2323(Top 133%)
25.2M25.20 mi0.35 mi8469+761911+81911+86565(Top 26%)1965(Top 18%)1965(Top 112%)
Finish26.22 mi1.02 mi8421+481924-131924-138602(Top 34%)2864(Top 26%)2864(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9467

Females

1904

F45-49

1904

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9348

Females

1812

F45-49

1812

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9467

Females

1904

F45-49

1904

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8576

Females

1616

F45-49

1616

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8637

Females

1646

F45-49

1646

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10601

Females

2771

F45-49

2771

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8758

Females

2102

F45-49

2102

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9635

Females

2761

F45-49

2761

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

9719

Females

3064

F45-49

3064

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8198

Females

2312

F45-49

2312

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8066

Females

2410

F45-49

2410

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7666

Females

2318

F45-49

2318

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7382

Females

2323

F45-49

2323

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6565

Females

1965

F45-49

1965

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8602

Females

2864

F45-49

2864

Passing Analysis

Category:
Athletes Passed
2205
Passed By
1706
Net Change
+499
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8920
5K → 10K170348-178#8920#9098
10K → 15K161218-57#9098#9155
15K → 20K29092+198#9155#8957
20K → Half4220+22#8957#8935
Half → 25K130383-253#8935#9188
25K → 30K360184+176#9188#9012
30K → 20M135115+20#9012#8992
20M → 21M151111+40#8992#8952
21M → 35K11734+83#8952#8869
35K → 23M18560+125#8869#8744
23M → 24M13240+92#8744#8652
24M → 40K14437+107#8652#8545
40K → 25.2M8610+76#8545#8469
25.2M → Finish10254+48#8469#8421
TOTALS22051706+499
📊

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