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BOSTON MARATHON 2023

Emily Goldsmith

Bib: 4632•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #4141
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:56
Rank: #4476 (-335)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:54
Rank: #4497 (-21)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:23:52
Rank: #4336 (+161)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:28:38
Rank: #4482 (-146)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:45:45
Rank: #4773 (-291)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:09:38
Rank: #5548 (-775)
25K → 30K
23:53 | 7:41/mi
20M
2:20:04
Rank: #5672 (-124)
30K → 20M
10:27 | 7:41/mi
21M
2:27:45
Rank: #5627 (+45)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:33:30
Rank: #5733 (-106)
21M → 35K
5:45 | 7:41/mi
23M
2:43:08
Rank: #5774 (-41)
35K → 23M
9:38 | 7:41/mi
24M
2:50:49
Rank: #5828 (-54)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
2:58:07
Rank: #6029 (-201)
24M → 40K
7:18 | 8:33/mi
25.2M
3:01:04
Rank: #6069 (-40)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:08:10
Rank: #5983 (+86)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:38
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:39:32
Pace7:36 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0720:586:4520:58
6:45
-
10K
6.21 mi10:44:0541:566:4520:58
6:45
0:00
15K
9.32 mi11:05:031:02:546:4520:58
6:45
0:00
20K
12.43 mi11:26:011:23:526:4520:58
6:45
0:00
Half
13.11 mi11:30:471:28:386:464:46
6:59
+0:14
25K
15.53 mi11:47:541:45:456:4817:07
7:04
+0:05
30K
18.64 mi12:11:472:09:386:5723:53
7:41
+0:37
20M
20.00 mi12:22:132:20:047:0010:27
7:41
0:00
21M
21.00 mi12:29:542:27:457:027:41
7:41
0:00
35K
21.75 mi12:35:392:33:307:035:45
7:41
0:00
23M
23.00 mi12:45:172:43:087:069:38
7:41
0:00
24M
24.00 mi12:52:582:50:497:077:41
7:41
0:00
40K
24.85 mi13:00:162:58:077:107:18
8:33
+0:52
25.2M
25.20 mi13:03:133:01:047:112:57
8:33
0:00
Finish
26.22 mi13:10:193:08:107:117:06
6:58
-1:35

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

6:45 /mi

Average Pace

7:11 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:51

60% of race

Time at Steady Pace

1:05:04

35% of race

Time at Slower Pace

10:15

5% of race

Average Pace: 7:11 /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 mi10:23:0720:586:4520:58
6:45
#4141
10K
6.21 mi10:44:0541:566:4520:58
6:45
#4476
15K
9.32 mi11:05:031:02:546:4520:58
6:45
#4497
20K
12.43 mi11:26:011:23:526:4520:58
6:45
#4336
Half
13.11 mi11:30:471:28:386:464:46
6:59
#4482
25K
15.53 mi11:47:541:45:456:4817:07
7:04
#4773
30K
18.64 mi12:11:472:09:386:5723:53
7:41
#5548
20M
20.00 mi12:22:132:20:047:0010:27
7:41
#5672
21M
21.00 mi12:29:542:27:457:027:41
7:41
#5627
35K
21.75 mi12:35:392:33:307:035:45
7:41
#5733
23M
23.00 mi12:45:172:43:087:069:38
7:41
#5774
24M
24.00 mi12:52:582:50:497:077:41
7:41
#5828
40K
24.85 mi13:00:162:58:077:107:18
8:33
#6029
25.2M
25.20 mi13:03:133:01:047:112:57
8:33
#6069
Finish
26.22 mi13:10:193:08:107:117:06
6:58
#5983
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 mi41412552554620(Top 17%)302(Top 3%)302(Top 6%)
10K6.21 mi3.10 mi4476-335286-31286-314824(Top 18%)339(Top 3%)339(Top 7%)
15K9.32 mi3.11 mi4497-21290-4290-44620(Top 17%)302(Top 3%)302(Top 6%)
20K12.43 mi3.11 mi4336+161272+18272+183986(Top 15%)240(Top 2%)240(Top 5%)
Half13.11 mi0.68 mi4482-146286-14286-146504(Top 24%)627(Top 5%)627(Top 13%)
25K15.53 mi2.42 mi4773-291324-38324-385909(Top 22%)526(Top 5%)526(Top 11%)
30K18.64 mi3.11 mi5548-775441-117441-1178529(Top 32%)1522(Top 13%)1522(Top 31%)
20M20.00 mi1.36 mi5672-124468-27468-278060(Top 30%)1433(Top 13%)1433(Top 29%)
21M21.00 mi1.00 mi5627+45463+5463+55490(Top 21%)671(Top 6%)671(Top 14%)
35K21.75 mi0.75 mi5733-106490-27490-279776(Top 37%)2277(Top 20%)2277(Top 47%)
23M23.00 mi1.25 mi5774-41524-34524-347658(Top 29%)1445(Top 13%)1445(Top 30%)
24M24.00 mi1.00 mi5828-54543-19543-199043(Top 34%)2134(Top 19%)2134(Top 44%)
40K24.85 mi0.85 mi6029-201600-57600-5713643(Top 51%)4564(Top 40%)4564(Top 93%)
25.2M25.20 mi0.35 mi6069-40615-15615-159727(Top 37%)2602(Top 23%)2602(Top 53%)
Finish26.22 mi1.02 mi5983+86609+6609+65038(Top 19%)736(Top 6%)736(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4620

Females

302

F18-39

302

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4824

Females

339

F18-39

339

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4620

Females

302

F18-39

302

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3986

Females

240

F18-39

240

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6504

Females

627

F18-39

627

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5909

Females

526

F18-39

526

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8529

Females

1522

F18-39

1522

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8060

Females

1433

F18-39

1433

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5490

Females

671

F18-39

671

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9776

Females

2277

F18-39

2277

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7658

Females

1445

F18-39

1445

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9043

Females

2134

F18-39

2134

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13643

Females

4564

F18-39

4564

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9727

Females

2602

F18-39

2602

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5038

Females

736

F18-39

736

Passing Analysis

Category:
Athletes Passed
806
Passed By
2648
Net Change
-1842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4141
5K → 10K103438-335#4141#4476
10K → 15K113134-21#4476#4497
15K → 20K19635+161#4497#4336
20K → Half1147-146#4336#4482
Half → 25K41332-291#4482#4773
25K → 30K19794-775#4773#5548
30K → 20M24148-124#5548#5672
20M → 21M7429+45#5672#5627
21M → 35K11117-106#5627#5733
35K → 23M5899-41#5733#5774
23M → 24M3589-54#5774#5828
24M → 40K14215-201#5828#6029
40K → 25.2M1353-40#6029#6069
25.2M → Finish10418+86#6069#5983
TOTALS8062648-1842
📊

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