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BOSTON MARATHON 2023

Emily Gibson

Bib: 31481•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:07
Rank: #16927
Start → 5K
8:24/mi
26:07 split
10K· 6.21 mi
51:00
Rank: #15876 (+1051)
5K → 10K
8:01/mi
24:53 split
15K· 9.32 mi
1:16:02
Rank: #15527 (+349)
10K → 15K
8:03/mi
25:02 split
20K· 12.43 mi
1:41:21
Rank: #15288 (+239)
15K → 20K
8:09/mi
25:19 split
Half· 13.11 mi
1:46:44
Rank: #15193 (+95)
20K → Half
7:53/mi
5:23 split
25K· 15.53 mi
2:06:39
Rank: #15012 (+181)
Half → 25K
8:13/mi
19:55 split
30K· 18.64 mi
2:33:00
Rank: #14871 (+141)
25K → 30K
8:29/mi
26:21 split
20M
2:44:44
Rank: #14826 (+45)
30K → 20M
8:38/mi
11:44 split
21M
2:53:42
Rank: #14701 (+125)
20M → 21M
8:58/mi
8:58 split
35K· 21.75 mi
2:59:40
Rank: #14598 (+103)
21M → 35K
7:59/mi
5:58 split
23M
3:10:28
Rank: #14542 (+56)
35K → 23M
8:38/mi
10:48 split
24M
3:19:19
Rank: #14616 (-74)
23M → 24M
8:51/mi
8:51 split
40K· 24.85 mi
3:26:50
Rank: #14614 (+2)
24M → 40K
8:47/mi
7:31 split
25.2M
3:30:00
Rank: #14586 (+28)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:38:21
Rank: #14516 (+70)
25.2M → Finish
8:12/mi
8:21 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:44
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2526:078:2426:07
8:24
-
10K
6.21 mi12:11:1851:008:1224:53
8:01
-0:23
15K
9.32 mi12:36:201:16:028:0925:02
8:03
+0:02
20K
12.43 mi13:01:391:41:218:0925:19
8:09
+0:06
Half
13.11 mi13:07:021:46:448:085:23
7:53
-0:16
25K
15.53 mi13:26:572:06:398:0919:55
8:13
+0:20
30K
18.64 mi13:53:182:33:008:1226:21
8:29
+0:16
20M
20.00 mi14:05:022:44:448:1411:44
8:38
+0:09
21M
21.00 mi14:14:002:53:428:168:58
8:58
+0:20
35K
21.75 mi14:19:582:59:408:165:58
7:59
-0:59
23M
23.00 mi14:30:463:10:288:1710:48
8:38
+0:39
24M
24.00 mi14:39:373:19:198:188:51
8:51
+0:13
40K
24.85 mi14:47:083:26:508:197:31
8:47
-0:04
25.2M
25.20 mi14:50:183:30:008:203:10
9:11
+0:24
Finish
26.22 mi14:58:393:38:218:208:21
8:12
-0:59

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

7:53 /mi

Average Pace

8:20 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:51

87% of race

Time at Steady Pace

28:30

13% 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 mi11:46:2526:078:2426:07
8:24
#16927
10K
6.21 mi12:11:1851:008:1224:53
8:01
#15876
15K
9.32 mi12:36:201:16:028:0925:02
8:03
#15527
20K
12.43 mi13:01:391:41:218:0925:19
8:09
#15288
Half
13.11 mi13:07:021:46:448:085:23
7:53
#15193
25K
15.53 mi13:26:572:06:398:0919:55
8:13
#15012
30K
18.64 mi13:53:182:33:008:1226:21
8:29
#14871
20M
20.00 mi14:05:022:44:448:1411:44
8:38
#14826
21M
21.00 mi14:14:002:53:428:168:58
8:58
#14701
35K
21.75 mi14:19:582:59:408:165:58
7:59
#14598
23M
23.00 mi14:30:463:10:288:1710:48
8:38
#14542
24M
24.00 mi14:39:373:19:198:188:51
8:51
#14616
40K
24.85 mi14:47:083:26:508:197:31
8:47
#14614
25.2M
25.20 mi14:50:183:30:008:203:10
9:11
#14586
Finish
26.22 mi14:58:393:38:218:208:21
8:12
#14516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169275877587714871(Top 56%)4607(Top 40%)4607(Top 94%)
10K6.21 mi3.10 mi15876+10515204+6735204+67314879(Top 56%)4596(Top 40%)4596(Top 94%)
15K9.32 mi3.11 mi15527+3494993+2114993+21114871(Top 56%)4607(Top 40%)4607(Top 94%)
20K12.43 mi3.11 mi15288+2394862+1314862+13114598(Top 55%)4462(Top 39%)4462(Top 91%)
Half13.11 mi0.68 mi15193+954806+564806+5613582(Top 51%)3858(Top 34%)3858(Top 79%)
25K15.53 mi2.42 mi15012+1814718+884718+8814350(Top 54%)4421(Top 39%)4421(Top 91%)
30K18.64 mi3.11 mi14871+1414660+584660+5814201(Top 53%)4453(Top 39%)4453(Top 91%)
20M20.00 mi1.36 mi14826+454655+54655+514500(Top 54%)4702(Top 41%)4702(Top 96%)
21M21.00 mi1.00 mi14701+1254610+454610+4513241(Top 50%)4076(Top 36%)4076(Top 83%)
35K21.75 mi0.75 mi14598+1034561+494561+4912022(Top 45%)3458(Top 30%)3458(Top 71%)
23M23.00 mi1.25 mi14542+564548+134548+1313956(Top 52%)4589(Top 40%)4589(Top 94%)
24M24.00 mi1.00 mi14616-744627-794627-7916498(Top 62%)6074(Top 53%)6074(Top 124%)
40K24.85 mi0.85 mi14614+24647-204647-2015056(Top 57%)5325(Top 47%)5325(Top 109%)
25.2M25.20 mi0.35 mi14586+284640+74640+713610(Top 51%)4547(Top 40%)4547(Top 93%)
Finish26.22 mi1.02 mi14516+704608+324608+3213417(Top 50%)4421(Top 39%)4421(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14871

Females

4607

F18-39

4607

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14879

Females

4596

F18-39

4596

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14871

Females

4607

F18-39

4607

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14598

Females

4462

F18-39

4462

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13582

Females

3858

F18-39

3858

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14350

Females

4421

F18-39

4421

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14201

Females

4453

F18-39

4453

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14500

Females

4702

F18-39

4702

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13241

Females

4076

F18-39

4076

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12022

Females

3458

F18-39

3458

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13956

Females

4589

F18-39

4589

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16498

Females

6074

F18-39

6074

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15056

Females

5325

F18-39

5325

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13610

Females

4547

F18-39

4547

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13417

Females

4421

F18-39

4421

Passing Analysis

Category:
Athletes Passed
3118
Passed By
707
Net Change
+2411
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16927
5K → 10K110857+1051#16927#15876
10K → 15K41061+349#15876#15527
15K → 20K30364+239#15527#15288
20K → Half994+95#15288#15193
Half → 25K22948+181#15193#15012
25K → 30K247106+141#15012#14871
30K → 20M10055+45#14871#14826
20M → 21M15631+125#14826#14701
21M → 35K1085+103#14701#14598
35K → 23M10448+56#14598#14542
23M → 24M57131-74#14542#14616
24M → 40K6058+2#14616#14614
40K → 25.2M4012+28#14614#14586
25.2M → Finish9727+70#14586#14516
TOTALS3118707+2411
📊

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