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BOSTON MARATHON 2023

Molly Steer

Bib: 10245•F

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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:07
Rank: #7000
Start → 5K
22:07 | 7:07/mi
10K· 6.21 mi
43:32
Rank: #6534 (+466)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:04:55
Rank: #6291 (+243)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:26:39
Rank: #6177 (+114)
15K → 20K
21:44 | 7:00/mi
Half· 13.11 mi
1:31:26
Rank: #6211 (-34)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:48:38
Rank: #6183 (+28)
Half → 25K
17:12 | 7:06/mi
30K· 18.64 mi
2:11:04
Rank: #6006 (+177)
25K → 30K
22:26 | 7:13/mi
20M
2:21:02
Rank: #5962 (+44)
30K → 20M
9:58 | 7:20/mi
21M
2:28:43
Rank: #5883 (+79)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:34:07
Rank: #5877 (+6)
21M → 35K
5:24 | 7:13/mi
23M
2:43:23
Rank: #5838 (+39)
35K → 23M
9:16 | 7:24/mi
24M
2:50:39
Rank: #5793 (+45)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:57:01
Rank: #5771 (+22)
24M → 40K
6:22 | 7:27/mi
25.2M
2:59:46
Rank: #5752 (+19)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:07:00
Rank: #5703 (+49)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:35:34
Pace7:17 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3922:077:0722:07
7:07
-
10K
6.21 mi11:10:0443:327:0021:25
6:54
-0:13
15K
9.32 mi11:31:271:04:556:5821:23
6:53
-0:01
20K
12.43 mi11:53:111:26:396:5821:44
7:00
+0:07
Half
13.11 mi11:57:581:31:266:584:47
7:01
+0:01
25K
15.53 mi12:15:101:48:387:0017:12
7:06
+0:05
30K
18.64 mi12:37:362:11:047:0222:26
7:13
+0:07
20M
20.00 mi12:47:342:21:027:039:58
7:20
+0:07
21M
21.00 mi12:55:152:28:437:057:41
7:41
+0:21
35K
21.75 mi13:00:392:34:077:055:24
7:13
-0:28
23M
23.00 mi13:09:552:43:237:069:16
7:24
+0:11
24M
24.00 mi13:17:112:50:397:077:16
7:16
-0:08
40K
24.85 mi13:23:332:57:017:076:22
7:27
+0:11
25.2M
25.20 mi13:26:182:59:467:082:45
7:58
+0:31
Finish
26.22 mi13:33:323:07:007:087:14
7:06
-0:52

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

6:53 /mi

Average Pace

7:08 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:34

94% of race

Time at Steady Pace

10:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:48:3922:077:0722:07
7:07
#7000
10K
6.21 mi11:10:0443:327:0021:25
6:54
#6534
15K
9.32 mi11:31:271:04:556:5821:23
6:53
#6291
20K
12.43 mi11:53:111:26:396:5821:44
7:00
#6177
Half
13.11 mi11:57:581:31:266:584:47
7:01
#6211
25K
15.53 mi12:15:101:48:387:0017:12
7:06
#6183
30K
18.64 mi12:37:362:11:047:0222:26
7:13
#6006
20M
20.00 mi12:47:342:21:027:039:58
7:20
#5962
21M
21.00 mi12:55:152:28:437:057:41
7:41
#5883
35K
21.75 mi13:00:392:34:077:055:24
7:13
#5877
23M
23.00 mi13:09:552:43:237:069:16
7:24
#5838
24M
24.00 mi13:17:112:50:397:077:16
7:16
#5793
40K
24.85 mi13:23:332:57:017:076:22
7:27
#5771
25.2M
25.20 mi13:26:182:59:467:082:45
7:58
#5752
Finish
26.22 mi13:33:323:07:007:087:14
7:06
#5703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi70007177175847(Top 22%)499(Top 4%)499(Top 10%)
10K6.21 mi3.10 mi6534+466630+87630+876094(Top 23%)554(Top 5%)554(Top 11%)
15K9.32 mi3.11 mi6291+243581+49581+495847(Top 22%)499(Top 4%)499(Top 10%)
20K12.43 mi3.11 mi6177+114559+22559+225965(Top 22%)511(Top 4%)511(Top 10%)
Half13.11 mi0.68 mi6211-34560-1560-16645(Top 25%)657(Top 6%)657(Top 13%)
25K15.53 mi2.42 mi6183+285605606090(Top 23%)573(Top 5%)573(Top 12%)
30K18.64 mi3.11 mi6006+177529+31529+315618(Top 21%)529(Top 5%)529(Top 11%)
20M20.00 mi1.36 mi5962+44533-4533-45847(Top 22%)662(Top 6%)662(Top 14%)
21M21.00 mi1.00 mi5883+79525+8525+85547(Top 21%)675(Top 6%)675(Top 14%)
35K21.75 mi0.75 mi5877+6531-6531-66657(Top 25%)959(Top 8%)959(Top 20%)
23M23.00 mi1.25 mi5838+39535-4535-45885(Top 22%)773(Top 7%)773(Top 16%)
24M24.00 mi1.00 mi5793+45536-1536-16166(Top 23%)958(Top 8%)958(Top 20%)
40K24.85 mi0.85 mi5771+22543-7543-76385(Top 24%)1103(Top 10%)1103(Top 23%)
25.2M25.20 mi0.35 mi5752+19547-4547-46382(Top 24%)1166(Top 10%)1166(Top 24%)
Finish26.22 mi1.02 mi5703+495475475834(Top 22%)1010(Top 9%)1010(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5847

Females

499

F18-39

499

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6094

Females

554

F18-39

554

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5847

Females

499

F18-39

499

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5965

Females

511

F18-39

511

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6645

Females

657

F18-39

657

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6090

Females

573

F18-39

573

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5618

Females

529

F18-39

529

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5847

Females

662

F18-39

662

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5547

Females

675

F18-39

675

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6657

Females

959

F18-39

959

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5885

Females

773

F18-39

773

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6166

Females

958

F18-39

958

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6385

Females

1103

F18-39

1103

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6382

Females

1166

F18-39

1166

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5834

Females

1010

F18-39

1010

Passing Analysis

Category:
Athletes Passed
1771
Passed By
474
Net Change
+1297
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7000
5K → 10K50337+466#7000#6534
10K → 15K27229+243#6534#6291
15K → 20K15743+114#6291#6177
20K → Half943-34#6177#6211
Half → 25K8860+28#6211#6183
25K → 30K21538+177#6183#6006
30K → 20M8036+44#6006#5962
20M → 21M9819+79#5962#5883
21M → 35K4034+6#5883#5877
35K → 23M6526+39#5877#5838
23M → 24M7631+45#5838#5793
24M → 40K5331+22#5793#5771
40K → 25.2M3415+19#5771#5752
25.2M → Finish8132+49#5752#5703
TOTALS1771474+1297
📊

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