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BOSTON MARATHON 2023

Ashlee Schlemm

Bib: 16343•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
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
23:21
Rank: #9779
Start → 5K
23:21 | 7:31/mi
10K· 6.21 mi
46:27
Rank: #9805 (-26)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:10:08
Rank: #10285 (-480)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:39
Rank: #11512 (-1227)
15K → 20K
25:31 | 8:13/mi
Half· 13.11 mi
1:41:09
Rank: #11677 (-165)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:01:23
Rank: #12306 (-629)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:28:35
Rank: #13070 (-764)
25K → 30K
27:12 | 8:45/mi
20M
2:40:48
Rank: #13349 (-279)
30K → 20M
12:13 | 8:59/mi
21M
2:51:01
Rank: #13794 (-445)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
2:57:39
Rank: #13936 (-142)
21M → 35K
6:38 | 8:52/mi
23M
3:08:39
Rank: #13986 (-50)
35K → 23M
11:00 | 8:47/mi
24M
3:17:19
Rank: #14033 (-47)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:25:09
Rank: #14165 (-132)
24M → 40K
7:50 | 9:10/mi
25.2M
3:28:23
Rank: #14167 (-2)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:37:00
Rank: #14192 (-25)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:55:51
Pace8:50 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3523:217:3123:21
7:31
-
10K
6.21 mi11:36:4146:277:2923:06
7:26
-0:05
15K
9.32 mi12:00:221:10:087:3123:41
7:37
+0:11
20K
12.43 mi12:25:531:35:397:4225:31
8:13
+0:36
Half
13.11 mi12:31:231:41:097:435:30
8:04
-0:09
25K
15.53 mi12:51:372:01:237:4920:14
8:21
+0:17
30K
18.64 mi13:18:492:28:357:5827:12
8:45
+0:24
20M
20.00 mi13:31:022:40:488:0212:13
8:59
+0:14
21M
21.00 mi13:41:152:51:018:0910:13
10:13
+1:14
35K
21.75 mi13:47:532:57:398:106:38
8:52
-1:21
23M
23.00 mi13:58:533:08:398:1211:00
8:47
-0:05
24M
24.00 mi14:07:333:17:198:138:40
8:40
-0:07
40K
24.85 mi14:15:233:25:098:157:50
9:10
+0:30
25.2M
25.20 mi14:18:373:28:238:163:14
9:23
+0:13
Finish
26.22 mi14:27:143:37:008:178:37
8:27
-0:56

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

7:26 /mi

Average Pace

8:17 /mi

Slowest Pace

10:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:09

47% of race

Time at Steady Pace

1:34:34

44% of race

Time at Slower Pace

21:17

10% of race

Average Pace: 8:17 /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 mi11:13:3523:217:3123:21
7:31
#9779
10K
6.21 mi11:36:4146:277:2923:06
7:26
#9805
15K
9.32 mi12:00:221:10:087:3123:41
7:37
#10285
20K
12.43 mi12:25:531:35:397:4225:31
8:13
#11512
Half
13.11 mi12:31:231:41:097:435:30
8:04
#11677
25K
15.53 mi12:51:372:01:237:4920:14
8:21
#12306
30K
18.64 mi13:18:492:28:357:5827:12
8:45
#13070
20M
20.00 mi13:31:022:40:488:0212:13
8:59
#13349
21M
21.00 mi13:41:152:51:018:0910:13
10:13
#13794
35K
21.75 mi13:47:532:57:398:106:38
8:52
#13936
23M
23.00 mi13:58:533:08:398:1211:00
8:47
#13986
24M
24.00 mi14:07:333:17:198:138:40
8:40
#14033
40K
24.85 mi14:15:233:25:098:157:50
9:10
#14165
25.2M
25.20 mi14:18:373:28:238:163:14
9:23
#14167
Finish
26.22 mi14:27:143:37:008:178:37
8:27
#14192
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi97791751175111221(Top 42%)2476(Top 22%)2476(Top 51%)
10K6.21 mi3.10 mi9805-261748+31748+39950(Top 37%)1800(Top 16%)1800(Top 37%)
15K9.32 mi3.11 mi10285-4801952-2041952-20411221(Top 42%)2476(Top 22%)2476(Top 51%)
20K12.43 mi3.11 mi11512-12272628-6762628-67615053(Top 57%)4747(Top 42%)4747(Top 97%)
Half13.11 mi0.68 mi11677-1652731-1032731-10314905(Top 56%)4625(Top 40%)4625(Top 95%)
25K15.53 mi2.42 mi12306-6293120-3893120-38915230(Top 57%)4974(Top 44%)4974(Top 102%)
30K18.64 mi3.11 mi13070-7643595-4753595-47515807(Top 59%)5385(Top 47%)5385(Top 110%)
20M20.00 mi1.36 mi13349-2793766-1713766-17116482(Top 62%)5847(Top 51%)5847(Top 120%)
21M21.00 mi1.00 mi13794-4454054-2884054-28818767(Top 70%)7199(Top 63%)7199(Top 147%)
35K21.75 mi0.75 mi13936-1424160-1064160-10617284(Top 65%)6424(Top 56%)6424(Top 132%)
23M23.00 mi1.25 mi13986-504222-624222-6214921(Top 56%)5121(Top 45%)5121(Top 105%)
24M24.00 mi1.00 mi14033-474272-504272-5015472(Top 58%)5512(Top 48%)5512(Top 113%)
40K24.85 mi0.85 mi14165-1324375-1034375-10316927(Top 64%)6351(Top 56%)6351(Top 130%)
25.2M25.20 mi0.35 mi14167-24384-94384-914606(Top 55%)5072(Top 44%)5072(Top 104%)
Finish26.22 mi1.02 mi14192-254419-354419-3515142(Top 57%)5331(Top 47%)5331(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11221

Females

2476

F18-39

2476

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9950

Females

1800

F18-39

1800

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11221

Females

2476

F18-39

2476

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15053

Females

4747

F18-39

4747

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14905

Females

4625

F18-39

4625

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15230

Females

4974

F18-39

4974

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15807

Females

5385

F18-39

5385

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16482

Females

5847

F18-39

5847

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18767

Females

7199

F18-39

7199

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17284

Females

6424

F18-39

6424

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14921

Females

5121

F18-39

5121

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15472

Females

5512

F18-39

5512

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16927

Females

6351

F18-39

6351

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14606

Females

5072

F18-39

5072

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15142

Females

5331

F18-39

5331

Passing Analysis

Category:
Athletes Passed
759
Passed By
5170
Net Change
-4413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9779
5K → 10K297323-26#9779#9805
10K → 15K56534-480#9805#10285
15K → 20K101237-1227#10285#11512
20K → Half5170-165#11512#11677
Half → 25K29658-629#11677#12306
25K → 30K52816-764#12306#13070
30K → 20M35314-279#13070#13349
20M → 21M18463-445#13349#13794
21M → 35K19161-142#13794#13936
35K → 23M70120-50#13936#13986
23M → 24M4895-47#13986#14033
24M → 40K36168-132#14033#14165
40K → 25.2M2729-2#14165#14167
25.2M → Finish5782-25#14167#14192
TOTALS7595170-4413
📊

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