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BOSTON MARATHON 2023

Emily Gibney

Bib: 25390•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
10:32/mi
32:43
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:05:00
↑ 79↓ 1380.4%
15K· 9.32 mi
10:23/mi
1:37:17
↑ 67↓ 78
20K· 12.43 mi
10:24/mi
2:09:35
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:16:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:25/mi
2:41:57
↑ 66↓ 880.2%
30K· 18.64 mi
10:44/mi
3:15:18
↑ 181↓ 1480.2%
20M
10:39/mi
3:29:47
↑ 64↓ 500.2%
21M
11:41/mi
3:41:28
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
3:49:19
↑ 17↓ 861.7%
23M
10:34/mi
4:02:33
↑ 23↓ 630.6%
24M
10:37/mi
4:13:10
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:22:13
↓ 200.3%
25.2M
11:13/mi
4:26:05
↑ 13↓ 160.2%
Finish· 26.22 mi
10:05/mi
4:36:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:41
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:19:41
Pace10:39 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3932:4310:3232:43
10:32
-
10K
6.21 mi12:25:561:05:0010:2832:17
10:23
-0:09
15K
9.32 mi12:58:131:37:1710:2632:17
10:23
0:00
20K
12.43 mi13:30:312:09:3510:2632:18
10:24
+0:01
Half
13.11 mi13:37:372:16:4110:267:06
10:24
0:00
25K
15.53 mi14:02:532:41:5710:2625:16
10:25
+0:01
30K
18.64 mi14:36:143:15:1810:2933:21
10:44
+0:19
20M
20.00 mi14:50:433:29:4710:2914:29
10:39
-0:05
21M
21.00 mi15:02:243:41:2810:3311:41
11:41
+1:02
35K
21.75 mi15:10:153:49:1910:337:51
10:30
-1:11
23M
23.00 mi15:23:294:02:3310:3313:14
10:34
+0:04
24M
24.00 mi15:34:064:13:1010:3310:37
10:37
+0:03
40K
24.85 mi15:43:094:22:1310:339:03
10:35
-0:02
25.2M
25.20 mi15:47:014:26:0510:343:52
11:13
+0:38
Finish
26.22 mi15:57:184:36:2210:3310:17
10:05
-1:08

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

10:05 /mi

Average Pace

10:33 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20:49

94% of race

Time at Steady Pace

15:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:32 /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 mi11:53:3932:4310:3232:43
10:32
#24784
10K
6.21 mi12:25:561:05:0010:2832:17
10:23
#24641
15K
9.32 mi12:58:131:37:1710:2632:17
10:23
#24521
20K
12.43 mi13:30:312:09:3510:2632:18
10:24
#24282
Half
13.11 mi13:37:372:16:4110:267:06
10:24
#24265
25K
15.53 mi14:02:532:41:5710:2625:16
10:25
#24032
30K
18.64 mi14:36:143:15:1810:2933:21
10:44
#23764
20M
20.00 mi14:50:433:29:4710:2914:29
10:39
#23625
21M
21.00 mi15:02:243:41:2810:3311:41
11:41
#23576
35K
21.75 mi15:10:153:49:1910:337:51
10:30
#23536
23M
23.00 mi15:23:294:02:3310:3313:14
10:34
#23441
24M
24.00 mi15:34:064:13:1010:3310:37
10:37
#23391
40K
24.85 mi15:43:094:22:1310:339:03
10:35
#23326
25.2M
25.20 mi15:47:014:26:0510:343:52
11:13
#23283
Finish
26.22 mi15:57:184:36:2210:3310:17
10:05
#23238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24784103211032124263(Top 91%)10035(Top 88%)10035(Top 205%)
10K6.21 mi3.10 mi24641+14310231+9010231+9024479(Top 92%)10155(Top 89%)10155(Top 208%)
15K9.32 mi3.11 mi24521+12010172+5910172+5924263(Top 91%)10035(Top 88%)10035(Top 205%)
20K12.43 mi3.11 mi24282+23910051+12110051+12123655(Top 89%)9719(Top 85%)9719(Top 199%)
Half13.11 mi0.68 mi24265+1710041+1010041+1024037(Top 90%)9928(Top 87%)9928(Top 203%)
25K15.53 mi2.42 mi24032+2339915+1269915+12623047(Top 87%)9417(Top 82%)9417(Top 193%)
30K18.64 mi3.11 mi23764+2689787+1289787+12822672(Top 85%)9287(Top 81%)9287(Top 190%)
20M20.00 mi1.36 mi23625+1399723+649723+6422077(Top 83%)9027(Top 79%)9027(Top 185%)
21M21.00 mi1.00 mi23576+499705+189705+1822222(Top 83%)9126(Top 80%)9126(Top 187%)
35K21.75 mi0.75 mi23536+409686+199686+1922394(Top 84%)9270(Top 81%)9270(Top 190%)
23M23.00 mi1.25 mi23441+959651+359651+3521486(Top 81%)8787(Top 77%)8787(Top 180%)
24M24.00 mi1.00 mi23391+509632+199632+1922281(Top 84%)9253(Top 81%)9253(Top 189%)
40K24.85 mi0.85 mi23326+659609+239609+2321439(Top 81%)8868(Top 78%)8868(Top 182%)
25.2M25.20 mi0.35 mi23283+439589+209589+2020988(Top 79%)8594(Top 75%)8594(Top 176%)
Finish26.22 mi1.02 mi23238+459577+129577+1222016(Top 83%)9127(Top 80%)9127(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24263

Females

10035

F18-39

10035

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24479

Females

10155

F18-39

10155

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24263

Females

10035

F18-39

10035

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23655

Females

9719

F18-39

9719

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24037

Females

9928

F18-39

9928

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23047

Females

9417

F18-39

9417

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22672

Females

9287

F18-39

9287

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22077

Females

9027

F18-39

9027

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22222

Females

9126

F18-39

9126

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22394

Females

9270

F18-39

9270

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21486

Females

8787

F18-39

8787

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22281

Females

9253

F18-39

9253

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21439

Females

8868

F18-39

8868

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20988

Females

8594

F18-39

8594

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22016

Females

9127

F18-39

9127

Passing Analysis

Category:
Athletes Passed
1856
Passed By
310
Net Change
+1546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24784
5K → 10K269126+143#24784#24641
10K → 15K18464+120#24641#24521
15K → 20K24910+239#24521#24282
20K → Half3619+17#24282#24265
Half → 25K2429+233#24265#24032
25K → 30K28416+268#24032#23764
30K → 20M1434+139#23764#23625
20M → 21M7122+49#23625#23576
21M → 35K466+40#23576#23536
35K → 23M1027+95#23536#23441
23M → 24M6111+50#23441#23391
24M → 40K716+65#23391#23326
40K → 25.2M430+43#23326#23283
25.2M → Finish5510+45#23283#23238
TOTALS1856310+1546
📊

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