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BOSTON MARATHON 2023

Jessica Calvo

Bib: 16963•F

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0:00
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #13824
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
49:18
Rank: #13854 (-30)
5K → 10K
24:32 | 7:54/mi
15K· 9.32 mi
1:13:51
Rank: #13760 (+94)
10K → 15K
24:33 | 7:54/mi
20K· 12.43 mi
1:38:35
Rank: #13569 (+191)
15K → 20K
24:44 | 7:58/mi
Half· 13.11 mi
1:44:02
Rank: #13598 (-29)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:03:26
Rank: #13433 (+165)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:28:51
Rank: #13175 (+258)
25K → 30K
25:25 | 8:11/mi
20M
2:39:51
Rank: #12994 (+181)
30K → 20M
11:00 | 8:06/mi
21M
2:48:21
Rank: #12798 (+196)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:54:18
Rank: #12731 (+67)
21M → 35K
5:57 | 7:57/mi
23M
3:04:34
Rank: #12627 (+104)
35K → 23M
10:16 | 8:12/mi
24M
3:12:31
Rank: #12545 (+82)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:19:25
Rank: #12475 (+70)
24M → 40K
6:54 | 8:04/mi
25.2M
3:22:21
Rank: #12418 (+57)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:30:03
Rank: #12280 (+138)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:02
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:46:01
Pace8:05 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2524:467:5824:46
7:58
-
10K
6.21 mi11:39:5749:187:5624:32
7:54
-0:04
15K
9.32 mi12:04:301:13:517:5524:33
7:54
0:00
20K
12.43 mi12:29:141:38:357:5624:44
7:58
+0:04
Half
13.11 mi12:34:411:44:027:565:27
7:59
+0:01
25K
15.53 mi12:54:052:03:267:5719:24
8:00
+0:01
30K
18.64 mi13:19:302:28:517:5925:25
8:11
+0:11
20M
20.00 mi13:30:302:39:518:0011:00
8:06
-0:05
21M
21.00 mi13:39:002:48:218:018:30
8:30
+0:24
35K
21.75 mi13:44:572:54:188:015:57
7:57
-0:33
23M
23.00 mi13:55:133:04:348:0110:16
8:12
+0:15
24M
24.00 mi14:03:103:12:318:017:57
7:57
-0:15
40K
24.85 mi14:10:043:19:258:016:54
8:04
+0:07
25.2M
25.20 mi14:13:003:22:218:022:56
8:30
+0:26
Finish
26.22 mi14:20:423:30:038:017:42
7:33
-0:57

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

7:33 /mi

Average Pace

8:01 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:37

95% of race

Time at Steady Pace

11:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:15:2524:467:5824:46
7:58
#13824
10K
6.21 mi11:39:5749:187:5624:32
7:54
#13854
15K
9.32 mi12:04:301:13:517:5524:33
7:54
#13760
20K
12.43 mi12:29:141:38:357:5624:44
7:58
#13569
Half
13.11 mi12:34:411:44:027:565:27
7:59
#13598
25K
15.53 mi12:54:052:03:267:5719:24
8:00
#13433
30K
18.64 mi13:19:302:28:517:5925:25
8:11
#13175
20M
20.00 mi13:30:302:39:518:0011:00
8:06
#12994
21M
21.00 mi13:39:002:48:218:018:30
8:30
#12798
35K
21.75 mi13:44:572:54:188:015:57
7:57
#12731
23M
23.00 mi13:55:133:04:348:0110:16
8:12
#12627
24M
24.00 mi14:03:103:12:318:017:57
7:57
#12545
40K
24.85 mi14:10:043:19:258:016:54
8:04
#12475
25.2M
25.20 mi14:13:003:22:218:022:56
8:30
#12418
Finish
26.22 mi14:20:423:30:038:017:42
7:33
#12280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138243912391213566(Top 51%)3813(Top 33%)3813(Top 78%)
10K6.21 mi3.10 mi13854-303950-383950-3813962(Top 52%)4018(Top 35%)4018(Top 82%)
15K9.32 mi3.11 mi13760+943917+333917+3313566(Top 51%)3813(Top 33%)3813(Top 78%)
20K12.43 mi3.11 mi13569+1913825+923825+9213112(Top 49%)3605(Top 32%)3605(Top 74%)
Half13.11 mi0.68 mi13598-293841-163841-1614280(Top 54%)4224(Top 37%)4224(Top 86%)
25K15.53 mi2.42 mi13433+1653762+793762+7912760(Top 48%)3494(Top 31%)3494(Top 72%)
30K18.64 mi3.11 mi13175+2583651+1113651+11112207(Top 46%)3304(Top 29%)3304(Top 68%)
20M20.00 mi1.36 mi12994+1813563+883563+8811013(Top 41%)2746(Top 24%)2746(Top 56%)
21M21.00 mi1.00 mi12798+1963472+913472+9110518(Top 40%)2639(Top 23%)2639(Top 54%)
35K21.75 mi0.75 mi12731+673446+263446+2611820(Top 44%)3327(Top 29%)3327(Top 68%)
23M23.00 mi1.25 mi12627+1043405+413405+4111206(Top 42%)3118(Top 27%)3118(Top 64%)
24M24.00 mi1.00 mi12545+823378+273378+2710919(Top 41%)3050(Top 27%)3050(Top 62%)
40K24.85 mi0.85 mi12475+703359+193359+1910551(Top 40%)2913(Top 26%)2913(Top 60%)
25.2M25.20 mi0.35 mi12418+573337+223337+229674(Top 36%)2557(Top 22%)2557(Top 52%)
Finish26.22 mi1.02 mi12280+1383281+563281+569010(Top 34%)2261(Top 20%)2261(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13566

Females

3813

F18-39

3813

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13962

Females

4018

F18-39

4018

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13566

Females

3813

F18-39

3813

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13112

Females

3605

F18-39

3605

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14280

Females

4224

F18-39

4224

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12760

Females

3494

F18-39

3494

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12207

Females

3304

F18-39

3304

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11013

Females

2746

F18-39

2746

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10518

Females

2639

F18-39

2639

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11820

Females

3327

F18-39

3327

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11206

Females

3118

F18-39

3118

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10919

Females

3050

F18-39

3050

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10551

Females

2913

F18-39

2913

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9674

Females

2557

F18-39

2557

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9010

Females

2261

F18-39

2261

Passing Analysis

Category:
Athletes Passed
2397
Passed By
853
Net Change
+1544
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13824
5K → 10K273303-30#13824#13854
10K → 15K226132+94#13854#13760
15K → 20K27281+191#13760#13569
20K → Half2352-29#13569#13598
Half → 25K21449+165#13598#13433
25K → 30K32567+258#13433#13175
30K → 20M20221+181#13175#12994
20M → 21M20913+196#12994#12798
21M → 35K8821+67#12798#12731
35K → 23M13430+104#12731#12627
23M → 24M11432+82#12627#12545
24M → 40K9525+70#12545#12475
40K → 25.2M636+57#12475#12418
25.2M → Finish15921+138#12418#12280
TOTALS2397853+1544
📊

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