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BOSTON MARATHON 2023

Elizabeth Stapleton

Bib: 21110•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 31%
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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
53:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:19:27
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:45:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:51:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:11:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:38:32
↑ 181↓ 1480.2%
20M
8:21/mi
2:49:53
↑ 64↓ 500.2%
21M
8:25/mi
2:58:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
3:04:06
↑ 17↓ 861.7%
23M
7:51/mi
3:13:56
↑ 23↓ 630.6%
24M
7:37/mi
3:21:33
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:28:08
↓ 200.3%
25.2M
8:13/mi
3:30:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:38:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:51:44
Pace8:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:51
Pace8:09 /mi
📊Negative Split: 4.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4626:388:3426:38
8:34
-
10K
6.21 mi11:49:2153:138:3426:35
8:33
-0:01
15K
9.32 mi12:15:351:19:278:3126:14
8:27
-0:06
20K
12.43 mi12:42:051:45:578:3226:30
8:32
+0:05
Half
13.11 mi12:47:521:51:448:315:47
8:29
-0:03
25K
15.53 mi13:08:072:11:598:3020:15
8:21
-0:08
30K
18.64 mi13:34:402:38:328:3026:33
8:33
+0:12
20M
20.00 mi13:46:012:49:538:3011:21
8:21
-0:12
21M
21.00 mi13:54:262:58:188:298:25
8:25
+0:04
35K
21.75 mi14:00:143:04:068:285:48
7:45
-0:40
23M
23.00 mi14:10:043:13:568:269:50
7:51
+0:06
24M
24.00 mi14:17:413:21:338:247:37
7:37
-0:14
40K
24.85 mi14:24:163:28:088:226:35
7:42
+0:05
25.2M
25.20 mi14:27:063:30:588:222:50
8:13
+0:31
Finish
26.22 mi14:34:433:38:358:217:37
7:28
-0:45

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

7:28 /mi

Average Pace

8:21 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:27

17% of race

Time at Steady Pace

3:01:08

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:22:4626:388:3426:38
8:34
#18053
10K
6.21 mi11:49:2153:138:3426:35
8:33
#18288
15K
9.32 mi12:15:351:19:278:3126:14
8:27
#17992
20K
12.43 mi12:42:051:45:578:3226:30
8:32
#17731
Half
13.11 mi12:47:521:51:448:315:47
8:29
#17696
25K
15.53 mi13:08:072:11:598:3020:15
8:21
#17298
30K
18.64 mi13:34:402:38:328:3026:33
8:33
#16807
20M
20.00 mi13:46:012:49:538:3011:21
8:21
#16489
21M
21.00 mi13:54:262:58:188:298:25
8:25
#16119
35K
21.75 mi14:00:143:04:068:285:48
7:45
#15900
23M
23.00 mi14:10:043:13:568:269:50
7:51
#15512
24M
24.00 mi14:17:413:21:338:247:37
7:37
#15196
40K
24.85 mi14:24:163:28:088:226:35
7:42
#14940
25.2M
25.20 mi14:27:063:30:588:222:50
8:13
#14815
Finish
26.22 mi14:34:433:38:358:217:37
7:28
#14585
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180536588658817420(Top 65%)6163(Top 54%)6163(Top 339%)
10K6.21 mi3.10 mi18288-2356686-986686-9818599(Top 70%)6828(Top 60%)6828(Top 376%)
15K9.32 mi3.11 mi17992+2966521+1656521+16517420(Top 65%)6163(Top 54%)6163(Top 339%)
20K12.43 mi3.11 mi17731+2616362+1596362+15917037(Top 64%)5940(Top 52%)5940(Top 327%)
Half13.11 mi0.68 mi17696+356344+186344+1817584(Top 66%)6221(Top 54%)6221(Top 342%)
25K15.53 mi2.42 mi17298+3986115+2296115+22915271(Top 57%)4995(Top 44%)4995(Top 275%)
30K18.64 mi3.11 mi16807+4915850+2655850+26514583(Top 55%)4681(Top 41%)4681(Top 258%)
20M20.00 mi1.36 mi16489+3185690+1605690+16012749(Top 48%)3720(Top 33%)3720(Top 205%)
21M21.00 mi1.00 mi16119+3705485+2055485+20510011(Top 38%)2403(Top 21%)2403(Top 132%)
35K21.75 mi0.75 mi15900+2195370+1155370+11510390(Top 39%)2579(Top 23%)2579(Top 142%)
23M23.00 mi1.25 mi15512+3885172+1985172+1988799(Top 33%)1946(Top 17%)1946(Top 107%)
24M24.00 mi1.00 mi15196+3164974+1984974+1988570(Top 32%)1922(Top 17%)1922(Top 106%)
40K24.85 mi0.85 mi14940+2564843+1314843+1318036(Top 30%)1774(Top 16%)1774(Top 98%)
25.2M25.20 mi0.35 mi14815+1254785+584785+587912(Top 30%)1824(Top 16%)1824(Top 100%)
Finish26.22 mi1.02 mi14585+2304650+1354650+1358413(Top 32%)2014(Top 18%)2014(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17420

Females

6163

F45-49

6163

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18599

Females

6828

F45-49

6828

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17420

Females

6163

F45-49

6163

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17037

Females

5940

F45-49

5940

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17584

Females

6221

F45-49

6221

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15271

Females

4995

F45-49

4995

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14583

Females

4681

F45-49

4681

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12749

Females

3720

F45-49

3720

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10011

Females

2403

F45-49

2403

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10390

Females

2579

F45-49

2579

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8799

Females

1946

F45-49

1946

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8570

Females

1922

F45-49

1922

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8036

Females

1774

F45-49

1774

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7912

Females

1824

F45-49

1824

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8413

Females

2014

F45-49

2014

Passing Analysis

Category:
Athletes Passed
4068
Passed By
600
Net Change
+3468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18053
5K → 10K200435-235#18053#18288
10K → 15K37579+296#18288#17992
15K → 20K32059+261#17992#17731
20K → Half4813+35#17731#17696
Half → 25K4013+398#17696#17298
25K → 30K4965+491#17298#16807
30K → 20M3235+318#16807#16489
20M → 21M3700+370#16489#16119
21M → 35K2190+219#16119#15900
35K → 23M3880+388#15900#15512
23M → 24M3160+316#15512#15196
24M → 40K2571+256#15196#14940
40K → 25.2M1250+125#14940#14815
25.2M → Finish2300+230#14815#14585
TOTALS4068600+3468
📊

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