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BOSTON MARATHON 2024

Erin Zimmer

Bib: 3445•F

NH

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Division (F18-39)
#0 / 4660
Top 44%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:33
Rank: #6651
Start → 5K
21:33 | 6:56/mi
10K· 6.21 mi
43:31
Rank: #6862 (-211)
5K → 10K
21:58 | 7:04/mi
15K· 9.32 mi
1:05:44
Rank: #6935 (-73)
10K → 15K
22:13 | 7:09/mi
20K· 12.43 mi
1:28:16
Rank: #6812 (+123)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:33:14
Rank: #6832 (-20)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:54:42
Rank: #8205 (-1373)
Half → 25K
21:28 | 8:51/mi
30K· 18.64 mi
2:23:18
Rank: #9451 (-1246)
25K → 30K
28:36 | 9:12/mi
20M
2:36:32
Rank: #9974 (-523)
30K → 20M
13:14 | 9:44/mi
21M
2:46:00
Rank: #9979 (-5)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
2:53:11
Rank: #10241 (-262)
21M → 35K
7:11 | 9:36/mi
23M
3:05:37
Rank: #10579 (-338)
35K → 23M
12:26 | 9:56/mi
24M
3:14:14
Rank: #10526 (+53)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:22:19
Rank: #10616 (-90)
24M → 40K
8:05 | 9:27/mi
25.2M
3:25:29
Rank: #10539 (+77)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:34:16
Rank: #10596 (-57)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:14
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time2:01:02
Pace9:14 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4521:336:5621:33
6:56
-
10K
6.21 mi10:45:4343:317:0021:58
7:04
+0:08
15K
9.32 mi11:07:561:05:447:0322:13
7:09
+0:05
20K
12.43 mi11:30:281:28:167:0622:32
7:15
+0:06
Half
13.11 mi11:35:261:33:147:074:58
7:17
+0:02
25K
15.53 mi11:56:541:54:427:2321:28
8:51
+1:34
30K
18.64 mi12:25:302:23:187:4128:36
9:12
+0:21
20M
20.00 mi12:38:442:36:327:5013:14
9:44
+0:32
21M
21.00 mi12:48:122:46:007:549:28
9:28
-0:16
35K
21.75 mi12:55:232:53:117:587:11
9:36
+0:08
23M
23.00 mi13:07:493:05:378:0412:26
9:56
+0:20
24M
24.00 mi13:16:263:14:148:068:37
8:37
-1:19
40K
24.85 mi13:24:313:22:198:088:05
9:27
+0:50
25.2M
25.20 mi13:27:413:25:298:093:10
9:11
-0:16
Finish
26.22 mi13:36:283:34:168:118:47
8:37
-0:34

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

6:56 /mi

Average Pace

8:11 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:14

44% of race

Time at Steady Pace

1:10:38

33% of race

Time at Slower Pace

50:24

24% of race

Average Pace: 8:10 /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 mi10:23:4521:336:5621:33
6:56
#6651
10K
6.21 mi10:45:4343:317:0021:58
7:04
#6862
15K
9.32 mi11:07:561:05:447:0322:13
7:09
#6935
20K
12.43 mi11:30:281:28:167:0622:32
7:15
#6812
Half
13.11 mi11:35:261:33:147:074:58
7:17
#6832
25K
15.53 mi11:56:541:54:427:2321:28
8:51
#8205
30K
18.64 mi12:25:302:23:187:4128:36
9:12
#9451
20M
20.00 mi12:38:442:36:327:5013:14
9:44
#9974
21M
21.00 mi12:48:122:46:007:549:28
9:28
#9979
35K
21.75 mi12:55:232:53:117:587:11
9:36
#10241
23M
23.00 mi13:07:493:05:378:0412:26
9:56
#10579
24M
24.00 mi13:16:263:14:148:068:37
8:37
#10526
40K
24.85 mi13:24:313:22:198:088:05
9:27
#10616
25.2M
25.20 mi13:27:413:25:298:093:10
9:11
#10539
Finish
26.22 mi13:36:283:34:168:118:47
8:37
#10596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66517257257142(Top 28%)963(Top 9%)963(Top 21%)
10K6.21 mi3.10 mi6862-211804-79804-797124(Top 28%)919(Top 8%)919(Top 20%)
15K9.32 mi3.11 mi6935-73851-47851-477142(Top 28%)963(Top 9%)963(Top 21%)
20K12.43 mi3.11 mi6812+123827+24827+246701(Top 26%)906(Top 8%)906(Top 19%)
Half13.11 mi0.68 mi6832-20837-10837-107582(Top 30%)1228(Top 11%)1228(Top 26%)
25K15.53 mi2.42 mi8205-13731379-5421379-54214817(Top 58%)5072(Top 46%)5072(Top 109%)
30K18.64 mi3.11 mi9451-12462036-6572036-65714209(Top 56%)4986(Top 46%)4986(Top 107%)
20M20.00 mi1.36 mi9974-5232362-3262362-32615515(Top 61%)5959(Top 55%)5959(Top 128%)
21M21.00 mi1.00 mi9979-52432-702432-7010702(Top 42%)3575(Top 33%)3575(Top 77%)
35K21.75 mi0.75 mi10241-2622588-1562588-15615852(Top 62%)6261(Top 57%)6261(Top 134%)
23M23.00 mi1.25 mi10579-3382817-2292817-22915231(Top 60%)6032(Top 55%)6032(Top 129%)
24M24.00 mi1.00 mi10526+532839-222839-2210149(Top 40%)3519(Top 32%)3519(Top 76%)
40K24.85 mi0.85 mi10616-902938-992938-9912932(Top 51%)5002(Top 46%)5002(Top 107%)
25.2M25.20 mi0.35 mi10539+772916+222916+227469(Top 29%)2418(Top 22%)2418(Top 52%)
Finish26.22 mi1.02 mi10596-572987-712987-7112191(Top 48%)4556(Top 42%)4556(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7142

Females

963

F18-39

963

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7124

Females

919

F18-39

919

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7142

Females

963

F18-39

963

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6701

Females

906

F18-39

906

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7582

Females

1228

F18-39

1228

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

14817

Females

5072

F18-39

5072

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14209

Females

4986

F18-39

4986

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

15515

Females

5959

F18-39

5959

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

10702

Females

3575

F18-39

3575

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

15852

Females

6261

F18-39

6261

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15231

Females

6032

F18-39

6032

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10149

Females

3519

F18-39

3519

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12932

Females

5002

F18-39

5002

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7469

Females

2418

F18-39

2418

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12191

Females

4556

F18-39

4556

Passing Analysis

Category:
Athletes Passed
1203*
Passed By
5144
Net Change
-3945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6651
5K → 10K120331-211#6651#6862
10K → 15K128201-73#6862#6935
15K → 20K225102+123#6935#6812
20K → Half2242-20#6812#6832
Half → 25K221395-1373#6832#8205
25K → 30K491295-1246#8205#9451
30K → 20M46568-523#9451#9974
20M → 21M137141-5#9974#9979
21M → 35K32292-262#9979#10241
35K → 23M63401-338#10241#10579
23M → 24M13077+53#10579#10526
24M → 40K76*166-90#10526#10616
40K → 25.2M858+77#10616#10539
25.2M → Finish68125-57#10539#10596
TOTALS1203*5144-3945

* 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