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BOSTON MARATHON 2023

Lauren Ames

Bib: 1287•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Female)
#0 / 11423
Top 0.4%
Division (F18-39)
#0 / 4884
Top 0.8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:54
Rank: #858
Start → 5K
6:05/mi
18:54 split
10K· 6.21 mi
37:38
Rank: #854 (+4)
5K → 10K
6:02/mi
18:44 split
15K· 9.32 mi
56:32
Rank: #864 (-10)
10K → 15K
6:05/mi
18:54 split
20K· 12.43 mi
1:15:38
Rank: #869 (-5)
15K → 20K
6:09/mi
19:06 split
Half· 13.11 mi
1:19:47
Rank: #873 (-4)
20K → Half
6:05/mi
4:09 split
25K· 15.53 mi
1:34:36
Rank: #836 (+37)
Half → 25K
6:07/mi
14:49 split
30K· 18.64 mi
1:54:06
Rank: #826 (+10)
25K → 30K
6:17/mi
19:30 split
20M
2:02:45
Rank: #825 (+1)
30K → 20M
6:22/mi
8:39 split
21M
2:09:26
Rank: #816 (+9)
20M → 21M
6:41/mi
6:41 split
35K· 21.75 mi
2:14:05
Rank: #830 (-14)
21M → 35K
6:13/mi
4:39 split
23M
2:22:02
Rank: #820 (+10)
35K → 23M
6:21/mi
7:57 split
24M
2:28:08
Rank: #803 (+17)
23M → 24M
6:06/mi
6:06 split
40K· 24.85 mi
2:33:34
Rank: #798 (+5)
24M → 40K
6:21/mi
5:26 split
25.2M
2:35:54
Rank: #791 (+7)
40K → 25.2M
6:46/mi
2:20 split
Finish· 26.22 mi
2:42:01
Rank: #770 (+21)
25.2M → Finish
6:00/mi
6:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:47
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:22:14
Pace6:16 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1718:546:0518:54
6:05
-
10K
6.21 mi10:38:0137:386:0318:44
6:02
-0:03
15K
9.32 mi10:56:5556:326:0418:54
6:05
+0:03
20K
12.43 mi11:16:011:15:386:0519:06
6:09
+0:04
Half
13.11 mi11:20:101:19:476:054:09
6:05
-0:04
25K
15.53 mi11:34:591:34:366:0514:49
6:07
+0:02
30K
18.64 mi11:54:291:54:066:0719:30
6:17
+0:10
20M
20.00 mi12:03:082:02:456:088:39
6:22
+0:05
21M
21.00 mi12:09:492:09:266:106:41
6:41
+0:19
35K
21.75 mi12:14:282:14:056:104:39
6:13
-0:28
23M
23.00 mi12:22:252:22:026:117:57
6:21
+0:08
24M
24.00 mi12:28:312:28:086:106:06
6:06
-0:15
40K
24.85 mi12:33:572:33:346:115:26
6:21
+0:15
25.2M
25.20 mi12:36:172:35:546:112:20
6:46
+0:25
Finish
26.22 mi12:42:242:42:016:116:07
6:00
-0:46

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

6:00 /mi

Average Pace

6:11 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:00

94% of race

Time at Steady Pace

9:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:19:1718:546:0518:54
6:05
#858
10K
6.21 mi10:38:0137:386:0318:44
6:02
#854
15K
9.32 mi10:56:5556:326:0418:54
6:05
#864
20K
12.43 mi11:16:011:15:386:0519:06
6:09
#869
Half
13.11 mi11:20:101:19:476:054:09
6:05
#873
25K
15.53 mi11:34:591:34:366:0514:49
6:07
#836
30K
18.64 mi11:54:291:54:066:0719:30
6:17
#826
20M
20.00 mi12:03:082:02:456:088:39
6:22
#825
21M
21.00 mi12:09:492:09:266:106:41
6:41
#816
35K
21.75 mi12:14:282:14:056:104:39
6:13
#830
23M
23.00 mi12:22:252:22:026:117:57
6:21
#820
24M
24.00 mi12:28:312:28:086:106:06
6:06
#803
40K
24.85 mi12:33:572:33:346:115:26
6:21
#798
25.2M
25.20 mi12:36:172:35:546:112:20
6:46
#791
Finish
26.22 mi12:42:242:42:016:116:07
6:00
#770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8585050930(Top 3%)48(Top 0.4%)48(Top 1.0%)
10K6.21 mi3.10 mi854+449+149+1887(Top 3%)48(Top 0.4%)48(Top 1.0%)
15K9.32 mi3.11 mi864-1048+148+1930(Top 3%)48(Top 0.4%)48(Top 1.0%)
20K12.43 mi3.11 mi869-547+147+1909(Top 3%)45(Top 0.4%)45(Top 0.9%)
Half13.11 mi0.68 mi873-447471000(Top 4%)46(Top 0.4%)46(Top 0.9%)
25K15.53 mi2.42 mi836+3746+146+1780(Top 3%)41(Top 0.4%)41(Top 0.8%)
30K18.64 mi3.11 mi826+1043+343+3862(Top 3%)41(Top 0.4%)41(Top 0.8%)
20M20.00 mi1.36 mi825+144-144-11052(Top 4%)45(Top 0.4%)45(Top 0.9%)
21M21.00 mi1.00 mi816+944441062(Top 4%)49(Top 0.4%)49(Top 1%)
35K21.75 mi0.75 mi830-1444441322(Top 5%)63(Top 0.6%)63(Top 1%)
23M23.00 mi1.25 mi820+104444972(Top 4%)48(Top 0.4%)48(Top 1.0%)
24M24.00 mi1.00 mi803+174444774(Top 3%)41(Top 0.4%)41(Top 0.8%)
40K24.85 mi0.85 mi798+544441090(Top 4%)58(Top 0.5%)58(Top 1%)
25.2M25.20 mi0.35 mi791+743+143+11116(Top 4%)55(Top 0.5%)55(Top 1%)
Finish26.22 mi1.02 mi770+214343745(Top 3%)33(Top 0.3%)33(Top 0.7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

930

Females

48

F18-39

48

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

887

Females

48

F18-39

48

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

930

Females

48

F18-39

48

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

909

Females

45

F18-39

45

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1000

Females

46

F18-39

46

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

780

Females

41

F18-39

41

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

862

Females

41

F18-39

41

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1052

Females

45

F18-39

45

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1062

Females

49

F18-39

49

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1322

Females

63

F18-39

63

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

972

Females

48

F18-39

48

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

774

Females

41

F18-39

41

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1090

Females

58

F18-39

58

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1116

Females

55

F18-39

55

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

745

Females

33

F18-39

33

Passing Analysis

Category:
Athletes Passed
298
Passed By
210
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#858
5K → 10K4743+4#858#854
10K → 15K1929-10#854#864
15K → 20K2429-5#864#869
20K → Half59-4#869#873
Half → 25K458+37#873#836
25K → 30K3525+10#836#826
30K → 20M1312+1#826#825
20M → 21M167+9#825#816
21M → 35K317-14#816#830
35K → 23M2414+10#830#820
23M → 24M192+17#820#803
24M → 40K138+5#803#798
40K → 25.2M103+7#798#791
25.2M → Finish254+21#791#770
TOTALS298210+88
📊

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