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BOSTON MARATHON 2024

Elizabeth Ziegler-Roslund

Bib: 7929•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 17%
Masters (Masters Women)
#0 / 6263
Top 7%
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
24:24
Rank: #13517
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:37
Rank: #13050 (+467)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:13:21
Rank: #13063 (-13)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:38:24
Rank: #12772 (+291)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:43:32
Rank: #12574 (+198)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
2:02:19
Rank: #11788 (+786)
Half → 25K
18:47 | 7:45/mi
30K· 18.64 mi
2:26:45
Rank: #10765 (+1023)
25K → 30K
24:26 | 7:52/mi
20M
2:37:35
Rank: #10362 (+403)
30K → 20M
10:50 | 7:58/mi
21M
2:45:55
Rank: #9952 (+410)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:51:27
Rank: #9686 (+266)
21M → 35K
5:32 | 7:24/mi
23M
3:01:05
Rank: #9205 (+481)
35K → 23M
9:38 | 7:42/mi
24M
3:08:53
Rank: #8991 (+214)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:15:33
Rank: #8745 (+246)
24M → 40K
6:40 | 7:48/mi
25.2M
3:18:21
Rank: #8597 (+148)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:25:33
Rank: #8308 (+289)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:32
Pace7:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:2324:247:5124:24
7:51
-
10K
6.21 mi10:55:3648:377:4924:13
7:48
-0:03
15K
9.32 mi11:20:201:13:217:5224:44
7:58
+0:10
20K
12.43 mi11:45:231:38:247:5525:03
8:04
+0:06
Half
13.11 mi11:50:311:43:327:545:08
7:31
-0:33
25K
15.53 mi12:09:182:02:197:5218:47
7:45
+0:14
30K
18.64 mi12:33:442:26:457:5224:26
7:52
+0:07
20M
20.00 mi12:44:342:37:357:5310:50
7:58
+0:06
21M
21.00 mi12:52:542:45:557:548:20
8:20
+0:22
35K
21.75 mi12:58:262:51:277:535:32
7:24
-0:56
23M
23.00 mi13:08:043:01:057:529:38
7:42
+0:18
24M
24.00 mi13:15:523:08:537:527:48
7:48
+0:06
40K
24.85 mi13:22:323:15:337:526:40
7:48
0:00
25.2M
25.20 mi13:25:203:18:217:522:48
8:07
+0:19
Finish
26.22 mi13:32:323:25:337:517:12
7:04
-1:03

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

7:04 /mi

Average Pace

7:51 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:17

23% of race

Time at Steady Pace

2:39:16

77% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:31:2324:247:5124:24
7:51
#13517
10K
6.21 mi10:55:3648:377:4924:13
7:48
#13050
15K
9.32 mi11:20:201:13:217:5224:44
7:58
#13063
20K
12.43 mi11:45:231:38:247:5525:03
8:04
#12772
Half
13.11 mi11:50:311:43:327:545:08
7:31
#12574
25K
15.53 mi12:09:182:02:197:5218:47
7:45
#11788
30K
18.64 mi12:33:442:26:457:5224:26
7:52
#10765
20M
20.00 mi12:44:342:37:357:5310:50
7:58
#10362
21M
21.00 mi12:52:542:45:557:548:20
8:20
#9952
35K
21.75 mi12:58:262:51:277:535:32
7:24
#9686
23M
23.00 mi13:08:043:01:057:529:38
7:42
#9205
24M
24.00 mi13:15:523:08:537:527:48
7:48
#8991
40K
24.85 mi13:22:323:15:337:526:40
7:48
#8745
25.2M
25.20 mi13:25:203:18:217:522:48
8:07
#8597
Finish
26.22 mi13:32:323:25:337:517:12
7:04
#8308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi135174008400813172(Top 52%)3896(Top 36%)3896(Top 222%)
10K6.21 mi3.10 mi13050+4673764+2443764+24412602(Top 49%)3532(Top 32%)3532(Top 201%)
15K9.32 mi3.11 mi13063-133791-273791-2713172(Top 52%)3896(Top 36%)3896(Top 222%)
20K12.43 mi3.11 mi12772+2913635+1563635+15612260(Top 48%)3452(Top 32%)3452(Top 197%)
Half13.11 mi0.68 mi12574+1983537+983537+989345(Top 37%)1977(Top 18%)1977(Top 113%)
25K15.53 mi2.42 mi11788+7863149+3883149+3888622(Top 34%)1828(Top 17%)1828(Top 104%)
30K18.64 mi3.11 mi10765+10232700+4492700+4497098(Top 28%)1399(Top 13%)1399(Top 80%)
20M20.00 mi1.36 mi10362+4032562+1382562+1386632(Top 26%)1388(Top 13%)1388(Top 79%)
21M21.00 mi1.00 mi9952+4102413+1492413+1495499(Top 22%)1084(Top 10%)1084(Top 62%)
35K21.75 mi0.75 mi9686+2662310+1032310+1034652(Top 18%)755(Top 7%)755(Top 43%)
23M23.00 mi1.25 mi9205+4812134+1762134+1764384(Top 17%)764(Top 7%)764(Top 44%)
24M24.00 mi1.00 mi8991+2142071+632071+635585(Top 22%)1346(Top 12%)1346(Top 77%)
40K24.85 mi0.85 mi8745+2461999+721999+724796(Top 19%)1119(Top 10%)1119(Top 64%)
25.2M25.20 mi0.35 mi8597+1481965+341965+343187(Top 12%)543(Top 5%)543(Top 31%)
Finish26.22 mi1.02 mi8308+2891879+861879+863456(Top 14%)622(Top 6%)622(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13172

Females

3896

F45-49

3896

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12602

Females

3532

F45-49

3532

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13172

Females

3896

F45-49

3896

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12260

Females

3452

F45-49

3452

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9345

Females

1977

F45-49

1977

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8622

Females

1828

F45-49

1828

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7098

Females

1399

F45-49

1399

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6632

Females

1388

F45-49

1388

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5499

Females

1084

F45-49

1084

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4652

Females

755

F45-49

755

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4384

Females

764

F45-49

764

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5585

Females

1346

F45-49

1346

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4796

Females

1119

F45-49

1119

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3187

Females

543

F45-49

543

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3456

Females

622

F45-49

622

Passing Analysis

Category:
Athletes Passed
5679*
Passed By
470
Net Change
+5209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13517
5K → 10K567100+467#13517#13050
10K → 15K215228-13#13050#13063
15K → 20K413122+291#13063#12772
20K → Half1980+198#12772#12574
Half → 25K7882+786#12574#11788
25K → 30K10252+1023#11788#10765
30K → 20M4063+403#10765#10362
20M → 21M412*2+410#10362#9952
21M → 35K2660+266#9952#9686
35K → 23M4832+481#9686#9205
23M → 24M2206+214#9205#8991
24M → 40K2482+246#8991#8745
40K → 25.2M1480+148#8745#8597
25.2M → Finish2901+289#8597#8308
TOTALS5679*470+5209

* 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