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BOSTON MARATHON 2024

Sara Zimmer

MA

Bib: 25768 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:57/mi
30:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:17/mi
1:02:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:56/mi
1:33:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:55/mi
2:04:31
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:37/mi
2:11:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:07/mi
2:35:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:55/mi
3:09:31
↑ 181↓ 1480.2%
138 ft elev
20M
10:33/mi
3:23:51
↑ 64↓ 500.2%
148 ft elev
21M
11:41/mi
3:35:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:54/mi
3:43:41
↑ 17↓ 861.7%
156 ft elev
23M
11:14/mi
3:57:45
↑ 23↓ 630.6%
116 ft elev
24M
9:54/mi
4:07:39
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:36/mi
4:16:43
↓ 200.3%
20 ft elev
25.2M
11:39/mi
4:20:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:00/mi
4:30:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:05
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:19:50
Pace10:40 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0530:549:5730:54
9:57
-
10K
6.21 mi12:27:011:02:5010:0731:56
10:17
+0:20
15K
9.32 mi12:57:531:33:4210:0330:52
9:56
-0:21
20K
12.43 mi13:28:422:04:3110:0130:49
9:55
-0:01
Half
13.11 mi13:35:162:11:0510:006:34
9:37
-0:18
25K
15.53 mi13:59:482:35:3710:0124:32
10:07
+0:30
30K
18.64 mi14:33:423:09:3110:1033:54
10:55
+0:48
20M
20.00 mi14:48:023:23:5110:1214:20
10:33
-0:22
21M
21.00 mi14:59:433:35:3210:1611:41
11:41
+1:08
35K
21.75 mi15:07:523:43:4110:178:09
10:54
-0:47
23M
23.00 mi15:21:563:57:4510:2014:04
11:14
+0:20
24M
24.00 mi15:31:504:07:3910:199:54
9:54
-1:20
40K
24.85 mi15:40:544:16:4310:209:04
10:36
+0:42
25.2M
25.20 mi15:44:554:20:4410:214:01
11:39
+1:03
Finish
26.22 mi15:55:064:30:5510:2010:11
10:00
-1:39

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

9:37 /mi

Average Pace

10:20 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:03

40% of race

Time at Steady Pace

1:30:03

33% of race

Time at Slower Pace

1:11:49

27% of race

Average Pace: 10:20 /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 mi11:55:0530:549:5730:54
9:57
#22880
10K
6.21 mi12:27:011:02:5010:0731:56
10:17
#23021
15K
9.32 mi12:57:531:33:4210:0330:52
9:56
#22593
20K
12.43 mi13:28:422:04:3110:0130:49
9:55
#21999
Half
13.11 mi13:35:162:11:0510:006:34
9:37
#21931
25K
15.53 mi13:59:482:35:3710:0124:32
10:07
#21516
30K
18.64 mi14:33:423:09:3110:1033:54
10:55
#21181
20M
20.00 mi14:48:023:23:5110:1214:20
10:33
#20963
21M
21.00 mi14:59:433:35:3210:1611:41
11:41
#20794
35K
21.75 mi15:07:523:43:4110:178:09
10:54
#20745
23M
23.00 mi15:21:563:57:4510:2014:04
11:14
#20638
24M
24.00 mi15:31:504:07:3910:199:54
9:54
#20462
40K
24.85 mi15:40:544:16:4310:209:04
10:36
#20342
25.2M
25.20 mi15:44:554:20:4410:214:01
11:39
#20268
Finish
26.22 mi15:55:064:30:5510:2010:11
10:00
#20205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228809336933621776(Top 85%)8746(Top 80%)8746(Top 188%)
10K6.21 mi3.10 mi23021-1419431-959431-9523127(Top 91%)9496(Top 87%)9496(Top 204%)
15K9.32 mi3.11 mi22593+4289182+2499182+24921776(Top 85%)8746(Top 80%)8746(Top 188%)
20K12.43 mi3.11 mi21999+5948904+2788904+27820377(Top 80%)8023(Top 73%)8023(Top 172%)
Half13.11 mi0.68 mi21931+688872+328872+3220469(Top 80%)8134(Top 74%)8134(Top 175%)
25K15.53 mi2.42 mi21516+4158652+2208652+22019433(Top 76%)7609(Top 70%)7609(Top 163%)
30K18.64 mi3.11 mi21181+3358530+1228530+12219782(Top 77%)7999(Top 73%)7999(Top 172%)
20M20.00 mi1.36 mi20963+2188443+878443+8718123(Top 71%)7272(Top 67%)7272(Top 156%)
21M21.00 mi1.00 mi20794+1698373+708373+7018095(Top 71%)7374(Top 68%)7374(Top 158%)
35K21.75 mi0.75 mi20745+498373837319578(Top 77%)8118(Top 74%)8118(Top 174%)
23M23.00 mi1.25 mi20638+1078338+358338+3519037(Top 75%)7910(Top 72%)7910(Top 170%)
24M24.00 mi1.00 mi20462+1768267+718267+7115997(Top 63%)6448(Top 59%)6448(Top 138%)
40K24.85 mi0.85 mi20342+1208209+588209+5817008(Top 67%)7036(Top 64%)7036(Top 151%)
25.2M25.20 mi0.35 mi20268+748186+238186+2316504(Top 65%)6802(Top 62%)6802(Top 146%)
Finish26.22 mi1.02 mi20205+638162+248162+2418368(Top 72%)7676(Top 70%)7676(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21776

Females

8746

F18-39

8746

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23127

Females

9496

F18-39

9496

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21776

Females

8746

F18-39

8746

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

20377

Females

8023

F18-39

8023

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

20469

Females

8134

F18-39

8134

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

19433

Females

7609

F18-39

7609

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

19782

Females

7999

F18-39

7999

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18123

Females

7272

F18-39

7272

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18095

Females

7374

F18-39

7374

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19578

Females

8118

F18-39

8118

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19037

Females

7910

F18-39

7910

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

15997

Females

6448

F18-39

6448

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17008

Females

7036

F18-39

7036

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16504

Females

6802

F18-39

6802

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18368

Females

7676

F18-39

7676

Passing Analysis

Category:
Athletes Passed
3136
Passed By
461
Net Change
+2675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22880
5K → 10K140281-141#22880#23021
10K → 15K44416+428#23021#22593
15K → 20K6017+594#22593#21999
20K → Half702+68#21999#21931
Half → 25K4205+415#21931#21516
25K → 30K37439+335#21516#21181
30K → 20M2180+218#21181#20963
20M → 21M18415+169#20963#20794
21M → 35K8334+49#20794#20745
35K → 23M13023+107#20745#20638
23M → 24M1782+176#20638#20462
24M → 40K1277+120#20462#20342
40K → 25.2M795+74#20342#20268
25.2M → Finish8825+63#20268#20205
TOTALS3136461+2675
📊

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