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BOSTON MARATHON 2023

Jessica Allen

Bib: 16585•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:36
Rank: #13400
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
48:33
Rank: #12820 (+580)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:12:19
Rank: #12304 (+516)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:36:05
Rank: #11805 (+499)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:41:18
Rank: #11776 (+29)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:06
Rank: #11536 (+240)
Half → 25K
18:48 | 7:45/mi
30K· 18.64 mi
2:24:20
Rank: #11106 (+430)
25K → 30K
24:14 | 7:48/mi
20M
2:35:13
Rank: #11025 (+81)
30K → 20M
10:53 | 8:01/mi
21M
2:43:34
Rank: #10921 (+104)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:49:29
Rank: #10920 (+1)
21M → 35K
5:55 | 7:55/mi
23M
2:59:12
Rank: #10740 (+180)
35K → 23M
9:43 | 7:46/mi
24M
3:06:45
Rank: #10600 (+140)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:13:12
Rank: #10421 (+179)
24M → 40K
6:27 | 7:33/mi
25.2M
3:16:04
Rank: #10374 (+47)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:23:07
Rank: #10078 (+296)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:18
Pace7:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:367:5524:36
7:55
-
10K
6.21 mi11:39:2148:337:4923:57
7:43
-0:12
15K
9.32 mi12:03:071:12:197:4623:46
7:39
-0:04
20K
12.43 mi12:26:531:36:057:4423:46
7:39
0:00
Half
13.11 mi12:32:061:41:187:445:13
7:39
0:00
25K
15.53 mi12:50:542:00:067:4418:48
7:45
+0:06
30K
18.64 mi13:15:082:24:207:4524:14
7:48
+0:03
20M
20.00 mi13:26:012:35:137:4610:53
8:01
+0:13
21M
21.00 mi13:34:222:43:347:478:21
8:21
+0:20
35K
21.75 mi13:40:172:49:297:485:55
7:55
-0:26
23M
23.00 mi13:50:002:59:127:479:43
7:46
-0:09
24M
24.00 mi13:57:333:06:457:477:33
7:33
-0:13
40K
24.85 mi14:04:003:13:127:466:27
7:33
0:00
25.2M
25.20 mi14:06:523:16:047:472:52
8:19
+0:46
Finish
26.22 mi14:13:553:23:077:457:03
6:55
-1:24

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

6:55 /mi

Average Pace

7:45 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:03

10% of race

Time at Steady Pace

2:09:27

64% of race

Time at Slower Pace

52:37

26% of race

Average Pace: 7:45 /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 mi11:15:2424:367:5524:36
7:55
#13400
10K
6.21 mi11:39:2148:337:4923:57
7:43
#12820
15K
9.32 mi12:03:071:12:197:4623:46
7:39
#12304
20K
12.43 mi12:26:531:36:057:4423:46
7:39
#11805
Half
13.11 mi12:32:061:41:187:445:13
7:39
#11776
25K
15.53 mi12:50:542:00:067:4418:48
7:45
#11536
30K
18.64 mi13:15:082:24:207:4524:14
7:48
#11106
20M
20.00 mi13:26:012:35:137:4610:53
8:01
#11025
21M
21.00 mi13:34:222:43:347:478:21
8:21
#10921
35K
21.75 mi13:40:172:49:297:485:55
7:55
#10920
23M
23.00 mi13:50:002:59:127:479:43
7:46
#10740
24M
24.00 mi13:57:333:06:457:477:33
7:33
#10600
40K
24.85 mi14:04:003:13:127:466:27
7:33
#10421
25.2M
25.20 mi14:06:523:16:047:472:52
8:19
#10374
Finish
26.22 mi14:13:553:23:077:457:03
6:55
#10078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134003662366211420(Top 43%)2577(Top 23%)2577(Top 53%)
10K6.21 mi3.10 mi12820+5803326+3363326+33612342(Top 46%)3056(Top 27%)3056(Top 63%)
15K9.32 mi3.11 mi12304+5163066+2603066+26011420(Top 43%)2577(Top 23%)2577(Top 53%)
20K12.43 mi3.11 mi11805+4992801+2652801+26510521(Top 40%)2153(Top 19%)2153(Top 44%)
Half13.11 mi0.68 mi11776+292785+162785+1611433(Top 43%)2574(Top 23%)2574(Top 53%)
25K15.53 mi2.42 mi11536+2402657+1282657+12810743(Top 40%)2356(Top 21%)2356(Top 48%)
30K18.64 mi3.11 mi11106+4302464+1932464+1939378(Top 35%)1879(Top 16%)1879(Top 38%)
20M20.00 mi1.36 mi11025+812449+152449+1510344(Top 39%)2390(Top 21%)2390(Top 49%)
21M21.00 mi1.00 mi10921+1042420+292420+299553(Top 36%)2167(Top 19%)2167(Top 44%)
35K21.75 mi0.75 mi10920+12434-142434-1411464(Top 43%)3104(Top 27%)3104(Top 64%)
23M23.00 mi1.25 mi10740+1802377+572377+578181(Top 31%)1671(Top 15%)1671(Top 34%)
24M24.00 mi1.00 mi10600+1402326+512326+518087(Top 30%)1720(Top 15%)1720(Top 35%)
40K24.85 mi0.85 mi10421+1792267+592267+597029(Top 26%)1390(Top 12%)1390(Top 28%)
25.2M25.20 mi0.35 mi10374+472258+92258+98468(Top 32%)2019(Top 18%)2019(Top 41%)
Finish26.22 mi1.02 mi10078+2962133+1252133+1254785(Top 18%)670(Top 6%)670(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11420

Females

2577

F18-39

2577

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12342

Females

3056

F18-39

3056

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11420

Females

2577

F18-39

2577

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10521

Females

2153

F18-39

2153

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11433

Females

2574

F18-39

2574

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10743

Females

2356

F18-39

2356

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9378

Females

1879

F18-39

1879

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10344

Females

2390

F18-39

2390

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9553

Females

2167

F18-39

2167

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11464

Females

3104

F18-39

3104

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8181

Females

1671

F18-39

1671

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8087

Females

1720

F18-39

1720

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7029

Females

1390

F18-39

1390

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8468

Females

2019

F18-39

2019

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4785

Females

670

F18-39

670

Passing Analysis

Category:
Athletes Passed
3729*
Passed By
407
Net Change
+3322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13400
5K → 10K693113+580#13400#12820
10K → 15K55539+516#12820#12304
15K → 20K5056+499#12304#11805
20K → Half4718+29#11805#11776
Half → 25K27030+240#11776#11536
25K → 30K45525+430#11536#11106
30K → 20M131*50+81#11106#11025
20M → 21M13228+104#11025#10921
21M → 35K4948+1#10921#10920
35K → 23M20020+180#10920#10740
23M → 24M15111+140#10740#10600
24M → 40K1878+179#10600#10421
40K → 25.2M5811+47#10421#10374
25.2M → Finish2960+296#10374#10078
TOTALS3729*407+3322

* 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