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BOSTON MARATHON 2023

Lisa Simon

Bib: 16032•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9922
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:44
Rank: #10238 (-316)
5K → 10K
23:20 | 7:31/mi
15K· 9.32 mi
1:09:57
Rank: #10111 (+127)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:33:20
Rank: #9925 (+186)
15K → 20K
23:23 | 7:32/mi
Half· 13.11 mi
1:38:28
Rank: #9955 (-30)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:56:48
Rank: #9808 (+147)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:20:49
Rank: #9629 (+179)
25K → 30K
24:01 | 7:44/mi
20M
2:32:05
Rank: #9767 (-138)
30K → 20M
11:16 | 8:17/mi
21M
2:40:22
Rank: #9712 (+55)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:46:19
Rank: #9775 (-63)
21M → 35K
5:57 | 7:57/mi
23M
2:57:12
Rank: #10040 (-265)
35K → 23M
10:53 | 8:42/mi
24M
3:05:36
Rank: #10211 (-171)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:13:14
Rank: #10437 (-226)
24M → 40K
7:38 | 8:56/mi
25.2M
3:16:51
Rank: #10621 (-184)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:26:04
Rank: #10999 (-378)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4223:247:3223:24
7:32
-
10K
6.21 mi11:37:0246:447:3123:20
7:31
-0:01
15K
9.32 mi12:00:151:09:577:3023:13
7:28
-0:03
20K
12.43 mi12:23:381:33:207:3123:23
7:32
+0:04
Half
13.11 mi12:28:461:38:287:315:08
7:31
-0:01
25K
15.53 mi12:47:061:56:487:3118:20
7:34
+0:03
30K
18.64 mi13:11:072:20:497:3324:01
7:44
+0:10
20M
20.00 mi13:22:232:32:057:3611:16
8:17
+0:33
21M
21.00 mi13:30:402:40:227:388:17
8:17
0:00
35K
21.75 mi13:36:372:46:197:395:57
7:57
-0:20
23M
23.00 mi13:47:302:57:127:4210:53
8:42
+0:45
24M
24.00 mi13:55:543:05:367:448:24
8:24
-0:18
40K
24.85 mi14:03:323:13:147:467:38
8:56
+0:32
25.2M
25.20 mi14:07:093:16:517:493:37
10:29
+1:33
Finish
26.22 mi14:16:223:26:047:529:13
9:03
-1:26

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

7:28 /mi

Average Pace

7:52 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:28

48% of race

Time at Steady Pace

1:07:51

33% of race

Time at Slower Pace

39:45

19% of race

Average Pace: 7:52 /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 mi11:13:4223:247:3223:24
7:32
#9922
10K
6.21 mi11:37:0246:447:3123:20
7:31
#10238
15K
9.32 mi12:00:151:09:577:3023:13
7:28
#10111
20K
12.43 mi12:23:381:33:207:3123:23
7:32
#9925
Half
13.11 mi12:28:461:38:287:315:08
7:31
#9955
25K
15.53 mi12:47:061:56:487:3118:20
7:34
#9808
30K
18.64 mi13:11:072:20:497:3324:01
7:44
#9629
20M
20.00 mi13:22:232:32:057:3611:16
8:17
#9767
21M
21.00 mi13:30:402:40:227:388:17
8:17
#9712
35K
21.75 mi13:36:372:46:197:395:57
7:57
#9775
23M
23.00 mi13:47:302:57:127:4210:53
8:42
#10040
24M
24.00 mi13:55:543:05:367:448:24
8:24
#10211
40K
24.85 mi14:03:323:13:147:467:38
8:56
#10437
25.2M
25.20 mi14:07:093:16:517:493:37
10:29
#10621
Finish
26.22 mi14:16:223:26:047:529:13
9:03
#10999
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 mi9922182418249972(Top 37%)1832(Top 16%)1832(Top 38%)
10K6.21 mi3.10 mi10238-3161946-1221946-12210541(Top 40%)2078(Top 18%)2078(Top 43%)
15K9.32 mi3.11 mi10111+1271871+751871+759972(Top 37%)1832(Top 16%)1832(Top 38%)
20K12.43 mi3.11 mi9925+1861808+631808+639531(Top 36%)1705(Top 15%)1705(Top 35%)
Half13.11 mi0.68 mi9955-301820-121820-1210488(Top 39%)2143(Top 19%)2143(Top 44%)
25K15.53 mi2.42 mi9808+1471768+521768+529273(Top 35%)1673(Top 15%)1673(Top 34%)
30K18.64 mi3.11 mi9629+1791727+411727+418876(Top 33%)1662(Top 15%)1662(Top 34%)
20M20.00 mi1.36 mi9767-1381816-891816-8912269(Top 46%)3449(Top 30%)3449(Top 71%)
21M21.00 mi1.00 mi9712+551809+71809+79187(Top 35%)2014(Top 18%)2014(Top 41%)
35K21.75 mi0.75 mi9775-631857-481857-4811793(Top 44%)3300(Top 29%)3300(Top 68%)
23M23.00 mi1.25 mi10040-2652013-1562013-15614332(Top 54%)4805(Top 42%)4805(Top 98%)
24M24.00 mi1.00 mi10211-1712130-1172130-11713873(Top 52%)4588(Top 40%)4588(Top 94%)
40K24.85 mi0.85 mi10437-2262276-1462276-14615760(Top 59%)5704(Top 50%)5704(Top 117%)
25.2M25.20 mi0.35 mi10621-1842381-1052381-10519063(Top 72%)7524(Top 66%)7524(Top 154%)
Finish26.22 mi1.02 mi10999-3782594-2132594-21318183(Top 68%)6990(Top 61%)6990(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9972

Females

1832

F18-39

1832

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10541

Females

2078

F18-39

2078

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9972

Females

1832

F18-39

1832

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9531

Females

1705

F18-39

1705

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10488

Females

2143

F18-39

2143

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9273

Females

1673

F18-39

1673

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8876

Females

1662

F18-39

1662

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12269

Females

3449

F18-39

3449

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9187

Females

2014

F18-39

2014

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11793

Females

3300

F18-39

3300

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14332

Females

4805

F18-39

4805

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13873

Females

4588

F18-39

4588

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15760

Females

5704

F18-39

5704

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19063

Females

7524

F18-39

7524

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18183

Females

6990

F18-39

6990

Passing Analysis

Category:
Athletes Passed
1437*
Passed By
2511
Net Change
-1077
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9922
5K → 10K188503-316#9922#10238
10K → 15K237110+127#10238#10111
15K → 20K270*84+186#10111#9925
20K → Half1343-30#9925#9955
Half → 25K187*40+147#9955#9808
25K → 30K254*75+179#9808#9629
30K → 20M56194-138#9629#9767
20M → 21M9843+55#9767#9712
21M → 35K2891-63#9712#9775
35K → 23M27291-265#9775#10040
23M → 24M38208-171#10040#10211
24M → 40K24250-226#10211#10437
40K → 25.2M9193-184#10437#10621
25.2M → Finish8386-378#10621#10999
TOTALS1437*2511-1077

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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