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BOSTON MARATHON 2023

Elizabeth Buckley

Bib: 27539•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:09/mi
31:33
↑ 97↓ 3451.5%
10K· 6.21 mi
10:09/mi
1:03:06
↑ 79↓ 1380.4%
15K· 9.32 mi
10:31/mi
1:35:45
↑ 67↓ 78
20K· 12.43 mi
10:26/mi
2:08:10
↑ 106↓ 860.1%
Half· 13.11 mi
10:21/mi
2:15:14
↑ 19↓ 370.5%
25K· 15.53 mi
10:49/mi
2:41:27
↑ 66↓ 880.2%
30K· 18.64 mi
11:28/mi
3:17:06
↑ 181↓ 1480.2%
20M
11:38/mi
3:32:55
↑ 64↓ 500.2%
21M
12:28/mi
3:45:23
↑ 106↓ 241.6%
35K· 21.75 mi
11:52/mi
3:54:16
↑ 17↓ 861.7%
23M
12:00/mi
4:09:18
↑ 23↓ 630.6%
24M
11:42/mi
4:21:00
↓ 821.3%
40K· 24.85 mi
11:43/mi
4:31:01
↓ 200.3%
25.2M
13:35/mi
4:35:42
↑ 13↓ 160.2%
Finish· 26.22 mi
10:58/mi
4:46:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:14
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:31:39
Pace11:34 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5731:3310:0931:33
10:09
-
10K
6.21 mi12:21:301:03:0610:0931:33
10:09
0:00
15K
9.32 mi12:54:091:35:4510:1632:39
10:31
+0:22
20K
12.43 mi13:26:342:08:1010:1932:25
10:26
-0:05
Half
13.11 mi13:33:382:15:1410:197:04
10:21
-0:05
25K
15.53 mi13:59:512:41:2710:2426:13
10:49
+0:28
30K
18.64 mi14:35:303:17:0610:3435:39
11:28
+0:39
20M
20.00 mi14:51:193:32:5510:3915:49
11:38
+0:10
21M
21.00 mi15:03:473:45:2310:4412:28
12:28
+0:50
35K
21.75 mi15:12:403:54:1610:468:53
11:52
-0:36
23M
23.00 mi15:27:424:09:1810:5015:02
12:00
+0:08
24M
24.00 mi15:39:244:21:0010:5311:42
11:42
-0:18
40K
24.85 mi15:49:254:31:0110:5410:01
11:43
+0:01
25.2M
25.20 mi15:54:064:35:4210:564:41
13:35
+1:52
Finish
26.22 mi16:05:174:46:5310:5711:11
10:58
-2:37

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

10:09 /mi

Average Pace

10:57 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:38

60% of race

Time at Steady Pace

1:22:04

29% of race

Time at Slower Pace

32:11

11% of race

Average Pace: 10:56 /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 mi11:49:5731:3310:0931:33
10:09
#23838
10K
6.21 mi12:21:301:03:0610:0931:33
10:09
#23974
15K
9.32 mi12:54:091:35:4510:1632:39
10:31
#24162
20K
12.43 mi13:26:342:08:1010:1932:25
10:26
#24046
Half
13.11 mi13:33:382:15:1410:197:04
10:21
#24034
25K
15.53 mi13:59:512:41:2710:2426:13
10:49
#23950
30K
18.64 mi14:35:303:17:0610:3435:39
11:28
#23945
20M
20.00 mi14:51:193:32:5510:3915:49
11:38
#23942
21M
21.00 mi15:03:473:45:2310:4412:28
12:28
#23918
35K
21.75 mi15:12:403:54:1610:468:53
11:52
#23964
23M
23.00 mi15:27:424:09:1810:5015:02
12:00
#23975
24M
24.00 mi15:39:244:21:0010:5311:42
11:42
#23986
40K
24.85 mi15:49:254:31:0110:5410:01
11:43
#23971
25.2M
25.20 mi15:54:064:35:4210:564:41
13:35
#23989
Finish
26.22 mi16:05:174:46:5310:5711:11
10:58
#23990
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238389812981224473(Top 92%)10166(Top 89%)10166(Top 208%)
10K6.21 mi3.10 mi23974-1369878-669878-6624037(Top 90%)9909(Top 87%)9909(Top 203%)
15K9.32 mi3.11 mi24162-1889980-1029980-10224473(Top 92%)10166(Top 89%)10166(Top 208%)
20K12.43 mi3.11 mi24046+1169919+619919+6123723(Top 89%)9759(Top 85%)9759(Top 200%)
Half13.11 mi0.68 mi24034+129914+59914+523954(Top 90%)9890(Top 87%)9890(Top 202%)
25K15.53 mi2.42 mi23950+849869+459869+4523694(Top 89%)9787(Top 86%)9787(Top 200%)
30K18.64 mi3.11 mi23945+59888-199888-1923829(Top 90%)9918(Top 87%)9918(Top 203%)
20M20.00 mi1.36 mi23942+39889-19889-123739(Top 89%)9922(Top 87%)9922(Top 203%)
21M21.00 mi1.00 mi23918+249894-59894-523422(Top 88%)9773(Top 86%)9773(Top 200%)
35K21.75 mi0.75 mi23964-469930-369930-3624552(Top 92%)10428(Top 91%)10428(Top 214%)
23M23.00 mi1.25 mi23975-119941-119941-1124017(Top 90%)10136(Top 89%)10136(Top 208%)
24M24.00 mi1.00 mi23986-119957-169957-1624133(Top 91%)10234(Top 90%)10234(Top 210%)
40K24.85 mi0.85 mi23971+159958-19958-123534(Top 88%)9961(Top 87%)9961(Top 204%)
25.2M25.20 mi0.35 mi23989-189968-109968-1024613(Top 92%)10492(Top 92%)10492(Top 215%)
Finish26.22 mi1.02 mi23990-19974-69974-623929(Top 90%)10125(Top 89%)10125(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24473

Females

10166

F18-39

10166

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24037

Females

9909

F18-39

9909

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24473

Females

10166

F18-39

10166

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23723

Females

9759

F18-39

9759

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23954

Females

9890

F18-39

9890

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23694

Females

9787

F18-39

9787

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23829

Females

9918

F18-39

9918

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23739

Females

9922

F18-39

9922

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23422

Females

9773

F18-39

9773

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24552

Females

10428

F18-39

10428

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

24017

Females

10136

F18-39

10136

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24133

Females

10234

F18-39

10234

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23534

Females

9961

F18-39

9961

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24613

Females

10492

F18-39

10492

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23929

Females

10125

F18-39

10125

Passing Analysis

Category:
Athletes Passed
875
Passed By
1027
Net Change
-152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23838
5K → 10K130266-136#23838#23974
10K → 15K58246-188#23974#24162
15K → 20K17357+116#24162#24046
20K → Half2614+12#24046#24034
Half → 25K13551+84#24034#23950
25K → 30K114109+5#23950#23945
30K → 20M4441+3#23945#23942
20M → 21M6036+24#23942#23918
21M → 35K1864-46#23918#23964
35K → 23M3142-11#23964#23975
23M → 24M1930-11#23975#23986
24M → 40K3722+15#23986#23971
40K → 25.2M321-18#23971#23989
25.2M → Finish2728-1#23989#23990
TOTALS8751027-152
📊

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