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BOSTON MARATHON 2023

Elizabeth Williams

Bib: 11302•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F45-49)
#0 / 1817
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:19
Rank: #12612
Start → 5K
24:19 | 7:50/mi
10K· 6.21 mi
47:59
Rank: #12031 (+581)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:11:40
Rank: #11690 (+341)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:18
Rank: #11252 (+438)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:40:27
Rank: #11211 (+41)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:41
Rank: #10819 (+392)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:22:21
Rank: #10260 (+559)
25K → 30K
23:40 | 7:37/mi
20M
2:32:43
Rank: #10036 (+224)
30K → 20M
10:22 | 7:38/mi
21M
2:40:42
Rank: #9828 (+208)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:46:17
Rank: #9758 (+70)
21M → 35K
5:35 | 7:28/mi
23M
2:55:51
Rank: #9577 (+181)
35K → 23M
9:34 | 7:38/mi
24M
3:03:18
Rank: #9472 (+105)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:09:45
Rank: #9331 (+141)
24M → 40K
6:27 | 7:33/mi
25.2M
3:12:34
Rank: #9288 (+43)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:20:04
Rank: #9207 (+81)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:27
Pace7:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4224:197:5024:19
7:50
-
10K
6.21 mi11:17:2247:597:4323:40
7:37
-0:13
15K
9.32 mi11:41:031:11:407:4123:41
7:37
0:00
20K
12.43 mi12:04:411:35:187:4023:38
7:36
-0:01
Half
13.11 mi12:09:501:40:277:405:09
7:33
-0:03
25K
15.53 mi12:28:041:58:417:3818:14
7:31
-0:02
30K
18.64 mi12:51:442:22:217:3823:40
7:37
+0:06
20M
20.00 mi13:02:062:32:437:3810:22
7:38
+0:01
21M
21.00 mi13:10:052:40:427:397:59
7:59
+0:21
35K
21.75 mi13:15:402:46:177:395:35
7:28
-0:31
23M
23.00 mi13:25:142:55:517:399:34
7:38
+0:10
24M
24.00 mi13:32:413:03:187:387:27
7:27
-0:11
40K
24.85 mi13:39:083:09:457:386:27
7:33
+0:06
25.2M
25.20 mi13:41:573:12:347:382:49
8:10
+0:37
Finish
26.22 mi13:49:273:20:047:387:30
7:22
-0:48

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

7:22 /mi

Average Pace

7:38 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:15

99% of race

Time at Steady Pace

2:49

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:4224:197:5024:19
7:50
#12612
10K
6.21 mi11:17:2247:597:4323:40
7:37
#12031
15K
9.32 mi11:41:031:11:407:4123:41
7:37
#11690
20K
12.43 mi12:04:411:35:187:4023:38
7:36
#11252
Half
13.11 mi12:09:501:40:277:405:09
7:33
#11211
25K
15.53 mi12:28:041:58:417:3818:14
7:31
#10819
30K
18.64 mi12:51:442:22:217:3823:40
7:37
#10260
20M
20.00 mi13:02:062:32:437:3810:22
7:38
#10036
21M
21.00 mi13:10:052:40:427:397:59
7:59
#9828
35K
21.75 mi13:15:402:46:177:395:35
7:28
#9758
23M
23.00 mi13:25:142:55:517:399:34
7:38
#9577
24M
24.00 mi13:32:413:03:187:387:27
7:27
#9472
40K
24.85 mi13:39:083:09:457:386:27
7:33
#9331
25.2M
25.20 mi13:41:573:12:347:382:49
8:10
#9288
Finish
26.22 mi13:49:273:20:047:387:30
7:22
#9207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi126123218321811201(Top 42%)2456(Top 22%)2456(Top 135%)
10K6.21 mi3.10 mi12031+5812880+3382880+33811488(Top 43%)2590(Top 23%)2590(Top 143%)
15K9.32 mi3.11 mi11690+3412719+1612719+16111201(Top 42%)2456(Top 22%)2456(Top 135%)
20K12.43 mi3.11 mi11252+4382472+2472472+24710146(Top 38%)1980(Top 17%)1980(Top 109%)
Half13.11 mi0.68 mi11211+412449+232449+2310641(Top 40%)2179(Top 19%)2179(Top 120%)
25K15.53 mi2.42 mi10819+3922260+1892260+1898938(Top 34%)1538(Top 13%)1538(Top 85%)
30K18.64 mi3.11 mi10260+5592029+2312029+2318084(Top 30%)1348(Top 12%)1348(Top 74%)
20M20.00 mi1.36 mi10036+2241938+911938+917713(Top 29%)1301(Top 11%)1301(Top 72%)
21M21.00 mi1.00 mi9828+2081866+721866+727288(Top 27%)1238(Top 11%)1238(Top 68%)
35K21.75 mi0.75 mi9758+701850+161850+168319(Top 31%)1621(Top 14%)1621(Top 89%)
23M23.00 mi1.25 mi9577+1811807+431807+437398(Top 28%)1340(Top 12%)1340(Top 74%)
24M24.00 mi1.00 mi9472+1051785+221785+227401(Top 28%)1448(Top 13%)1448(Top 80%)
40K24.85 mi0.85 mi9331+1411759+261759+267019(Top 26%)1380(Top 12%)1380(Top 76%)
25.2M25.20 mi0.35 mi9288+431752+71752+77571(Top 28%)1641(Top 14%)1641(Top 90%)
Finish26.22 mi1.02 mi9207+811742+101742+107535(Top 28%)1640(Top 14%)1640(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11201

Females

2456

F45-49

2456

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11488

Females

2590

F45-49

2590

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11201

Females

2456

F45-49

2456

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10146

Females

1980

F45-49

1980

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10641

Females

2179

F45-49

2179

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8938

Females

1538

F45-49

1538

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8084

Females

1348

F45-49

1348

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7713

Females

1301

F45-49

1301

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7288

Females

1238

F45-49

1238

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8319

Females

1621

F45-49

1621

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7398

Females

1340

F45-49

1340

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7401

Females

1448

F45-49

1448

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7019

Females

1380

F45-49

1380

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7571

Females

1641

F45-49

1641

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7535

Females

1640

F45-49

1640

Passing Analysis

Category:
Athletes Passed
3724*
Passed By
319
Net Change
+3405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12612
5K → 10K691110+581#12612#12031
10K → 15K40362+341#12031#11690
15K → 20K45517+438#11690#11252
20K → Half509+41#11252#11211
Half → 25K3964+392#11211#10819
25K → 30K565*6+559#10819#10260
30K → 20M231*7+224#10260#10036
20M → 21M215*7+208#10036#9828
21M → 35K8313+70#9828#9758
35K → 23M20221+181#9758#9577
23M → 24M12520+105#9577#9472
24M → 40K150*9+141#9472#9331
40K → 25.2M507+43#9331#9288
25.2M → Finish10827+81#9288#9207
TOTALS3724*319+3405

* 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