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BOSTON MARATHON 2023

Elizabeth Mcguire

Bib: 19144•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:26
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:35:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:41:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:00:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:26:12
↑ 181↓ 1480.2%
20M
8:26/mi
2:37:40
↑ 64↓ 500.2%
21M
9:29/mi
2:47:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:53:17
↑ 17↓ 861.7%
23M
8:48/mi
3:04:18
↑ 23↓ 630.6%
24M
8:38/mi
3:12:56
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:20:23
↓ 200.3%
25.2M
8:39/mi
3:23:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:31:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:00
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:50:24
Pace8:25 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1124:167:4924:16
7:49
-
10K
6.21 mi11:40:4347:487:4223:32
7:34
-0:15
15K
9.32 mi12:04:211:11:267:4023:38
7:36
+0:02
20K
12.43 mi12:28:361:35:417:4224:15
7:48
+0:12
Half
13.11 mi12:33:551:41:007:425:19
7:48
0:00
25K
15.53 mi12:53:142:00:197:4519:19
7:58
+0:10
30K
18.64 mi13:19:072:26:127:5125:53
8:20
+0:22
20M
20.00 mi13:30:352:37:407:5311:28
8:26
+0:06
21M
21.00 mi13:40:042:47:097:589:29
9:29
+1:03
35K
21.75 mi13:46:122:53:177:586:08
8:12
-1:17
23M
23.00 mi13:57:133:04:188:0111:01
8:48
+0:36
24M
24.00 mi14:05:513:12:568:028:38
8:38
-0:10
40K
24.85 mi14:13:183:20:238:047:27
8:43
+0:05
25.2M
25.20 mi14:16:173:23:228:042:59
8:39
-0:04
Finish
26.22 mi14:24:193:31:248:048:02
7:53
-0:46

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

7:34 /mi

Average Pace

8:04 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:02

52% of race

Time at Steady Pace

1:02:48

30% of race

Time at Slower Pace

39:34

19% of race

Average Pace: 8:04 /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 mi11:17:1124:167:4924:16
7:49
#12470
10K
6.21 mi11:40:4347:487:4223:32
7:34
#11743
15K
9.32 mi12:04:211:11:267:4023:38
7:36
#11492
20K
12.43 mi12:28:361:35:417:4224:15
7:48
#11535
Half
13.11 mi12:33:551:41:007:425:19
7:48
#11584
25K
15.53 mi12:53:142:00:197:4519:19
7:58
#11685
30K
18.64 mi13:19:072:26:127:5125:53
8:20
#11976
20M
20.00 mi13:30:352:37:407:5311:28
8:26
#12077
21M
21.00 mi13:40:042:47:097:589:29
9:29
#12335
35K
21.75 mi13:46:122:53:177:586:08
8:12
#12382
23M
23.00 mi13:57:133:04:188:0111:01
8:48
#12548
24M
24.00 mi14:05:513:12:568:028:38
8:38
#12683
40K
24.85 mi14:13:183:20:238:047:27
8:43
#12751
25.2M
25.20 mi14:16:173:23:228:042:59
8:39
#12713
Finish
26.22 mi14:24:193:31:248:048:02
7:53
#12647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124703141314111103(Top 42%)2414(Top 21%)2414(Top 49%)
10K6.21 mi3.10 mi11743+7272730+4112730+41111110(Top 42%)2380(Top 21%)2380(Top 49%)
15K9.32 mi3.11 mi11492+2512597+1332597+13311103(Top 42%)2414(Top 21%)2414(Top 49%)
20K12.43 mi3.11 mi11535-432644-472644-4711811(Top 44%)2860(Top 25%)2860(Top 59%)
Half13.11 mi0.68 mi11584-492676-322676-3212734(Top 48%)3340(Top 29%)3340(Top 68%)
25K15.53 mi2.42 mi11685-1012751-752751-7512474(Top 47%)3346(Top 29%)3346(Top 69%)
30K18.64 mi3.11 mi11976-2912963-2122963-21213226(Top 50%)3879(Top 34%)3879(Top 79%)
20M20.00 mi1.36 mi12077-1013046-833046-8313259(Top 50%)3991(Top 35%)3991(Top 82%)
21M21.00 mi1.00 mi12335-2583196-1503196-15015884(Top 60%)5555(Top 49%)5555(Top 114%)
35K21.75 mi0.75 mi12382-473245-493245-4913427(Top 50%)4226(Top 37%)4226(Top 87%)
23M23.00 mi1.25 mi12548-1663355-1103355-11014986(Top 56%)5157(Top 45%)5157(Top 106%)
24M24.00 mi1.00 mi12683-1353465-1103465-11015264(Top 57%)5376(Top 47%)5376(Top 110%)
40K24.85 mi0.85 mi12751-683523-583523-5814591(Top 55%)5065(Top 44%)5065(Top 104%)
25.2M25.20 mi0.35 mi12713+383507+163507+1610540(Top 40%)2966(Top 26%)2966(Top 61%)
Finish26.22 mi1.02 mi12647+663491+163491+1611318(Top 43%)3356(Top 29%)3356(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11103

Females

2414

F18-39

2414

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11110

Females

2380

F18-39

2380

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11103

Females

2414

F18-39

2414

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11811

Females

2860

F18-39

2860

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12734

Females

3340

F18-39

3340

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12474

Females

3346

F18-39

3346

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13226

Females

3879

F18-39

3879

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13259

Females

3991

F18-39

3991

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15884

Females

5555

F18-39

5555

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13427

Females

4226

F18-39

4226

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14986

Females

5157

F18-39

5157

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15264

Females

5376

F18-39

5376

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14591

Females

5065

F18-39

5065

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10540

Females

2966

F18-39

2966

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11318

Females

3356

F18-39

3356

Passing Analysis

Category:
Athletes Passed
1922
Passed By
2099
Net Change
-177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12470
5K → 10K81689+727#12470#11743
10K → 15K33887+251#11743#11492
15K → 20K133176-43#11492#11535
20K → Half1968-49#11535#11584
Half → 25K111212-101#11584#11685
25K → 30K101392-291#11685#11976
30K → 20M77178-101#11976#12077
20M → 21M30288-258#12077#12335
21M → 35K3380-47#12335#12382
35K → 23M44210-166#12382#12548
23M → 24M35170-135#12548#12683
24M → 40K37105-68#12683#12751
40K → 25.2M5315+38#12751#12713
25.2M → Finish9529+66#12713#12647
TOTALS19222099-177
📊

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