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BOSTON MARATHON 2023

Jessi Crain

Bib: 9363•F

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:10/mi
22:17
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:05:24
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:27:14
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:31:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:49:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:11:39
↑ 181↓ 1480.2%
20M
7:14/mi
2:21:29
↑ 64↓ 500.2%
21M
8:13/mi
2:29:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:34:59
↑ 17↓ 861.7%
23M
7:15/mi
2:44:04
↑ 23↓ 630.6%
24M
7:16/mi
2:51:20
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:57:38
↓ 200.3%
25.2M
7:58/mi
3:00:23
↑ 13↓ 160.2%
Finish· 26.22 mi
6:58/mi
3:07:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:35:32
Pace7:17 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1822:177:1022:17
7:10
-
10K
6.21 mi11:09:5143:507:0321:33
6:56
-0:14
15K
9.32 mi11:31:251:05:247:0121:34
6:56
0:00
20K
12.43 mi11:53:151:27:147:0121:50
7:02
+0:06
Half
13.11 mi11:57:581:31:577:014:43
6:55
-0:07
25K
15.53 mi12:15:061:49:057:0117:08
7:04
+0:09
30K
18.64 mi12:37:402:11:397:0422:34
7:16
+0:12
20M
20.00 mi12:47:302:21:297:049:50
7:14
-0:02
21M
21.00 mi12:55:432:29:427:088:13
8:13
+0:59
35K
21.75 mi13:01:002:34:597:085:17
7:04
-1:09
23M
23.00 mi13:10:052:44:047:089:05
7:15
+0:11
24M
24.00 mi13:17:212:51:207:087:16
7:16
+0:01
40K
24.85 mi13:23:392:57:387:096:18
7:22
+0:06
25.2M
25.20 mi13:26:243:00:237:092:45
7:58
+0:36
Finish
26.22 mi13:33:303:07:297:097:06
6:58
-1:00

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

7:09 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:31

94% of race

Time at Steady Pace

2:45

1% of race

Time at Slower Pace

8:13

4% of race

Average Pace: 7:09 /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 mi10:48:1822:177:1022:17
7:10
#7346
10K
6.21 mi11:09:5143:507:0321:33
6:56
#6832
15K
9.32 mi11:31:251:05:247:0121:34
6:56
#6606
20K
12.43 mi11:53:151:27:147:0121:50
7:02
#6465
Half
13.11 mi11:57:581:31:577:014:43
6:55
#6438
25K
15.53 mi12:15:061:49:057:0117:08
7:04
#6358
30K
18.64 mi12:37:402:11:397:0422:34
7:16
#6199
20M
20.00 mi12:47:302:21:297:049:50
7:14
#6091
21M
21.00 mi12:55:432:29:427:088:13
8:13
#6157
35K
21.75 mi13:01:002:34:597:085:17
7:04
#6123
23M
23.00 mi13:10:052:44:047:089:05
7:15
#6009
24M
24.00 mi13:17:212:51:207:087:16
7:16
#5960
40K
24.85 mi13:23:392:57:387:096:18
7:22
#5917
25.2M
25.20 mi13:26:243:00:237:092:45
7:58
#5902
Finish
26.22 mi13:33:303:07:297:097:06
6:58
#5822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73468008006227(Top 23%)579(Top 5%)579(Top 12%)
10K6.21 mi3.10 mi6832+514682+118682+1186406(Top 24%)614(Top 5%)614(Top 13%)
15K9.32 mi3.11 mi6606+226643+39643+396227(Top 23%)579(Top 5%)579(Top 12%)
20K12.43 mi3.11 mi6465+141621+22621+226161(Top 23%)565(Top 5%)565(Top 12%)
Half13.11 mi0.68 mi6438+27618+3618+36122(Top 23%)539(Top 5%)539(Top 11%)
25K15.53 mi2.42 mi6358+80604+14604+145956(Top 22%)540(Top 5%)540(Top 11%)
30K18.64 mi3.11 mi6199+159579+25579+255848(Top 22%)584(Top 5%)584(Top 12%)
20M20.00 mi1.36 mi6091+108563+16563+165321(Top 20%)529(Top 5%)529(Top 11%)
21M21.00 mi1.00 mi6157-66590-27590-278704(Top 33%)1789(Top 16%)1789(Top 37%)
35K21.75 mi0.75 mi6123+345905905723(Top 21%)669(Top 6%)669(Top 14%)
23M23.00 mi1.25 mi6009+114578+12578+125094(Top 19%)555(Top 5%)555(Top 11%)
24M24.00 mi1.00 mi5960+495785786168(Top 23%)960(Top 8%)960(Top 20%)
40K24.85 mi0.85 mi5917+43580-2580-25908(Top 22%)939(Top 8%)939(Top 19%)
25.2M25.20 mi0.35 mi5902+15578+2578+26386(Top 24%)1170(Top 10%)1170(Top 24%)
Finish26.22 mi1.02 mi5822+80573+5573+55037(Top 19%)735(Top 6%)735(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6227

Females

579

F18-39

579

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6406

Females

614

F18-39

614

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6227

Females

579

F18-39

579

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6161

Females

565

F18-39

565

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6122

Females

539

F18-39

539

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5956

Females

540

F18-39

540

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5848

Females

584

F18-39

584

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5321

Females

529

F18-39

529

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8704

Females

1789

F18-39

1789

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5723

Females

669

F18-39

669

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5094

Females

555

F18-39

555

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6168

Females

960

F18-39

960

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5908

Females

939

F18-39

939

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6386

Females

1170

F18-39

1170

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5037

Females

735

F18-39

735

Passing Analysis

Category:
Athletes Passed
1952
Passed By
428
Net Change
+1524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7346
5K → 10K55642+514#7346#6832
10K → 15K25933+226#6832#6606
15K → 20K18039+141#6606#6465
20K → Half347+27#6465#6438
Half → 25K11434+80#6438#6358
25K → 30K20546+159#6358#6199
30K → 20M1168+108#6199#6091
20M → 21M3197-66#6091#6157
21M → 35K5319+34#6157#6123
35K → 23M12713+114#6123#6009
23M → 24M7728+49#6009#5960
24M → 40K7027+43#5960#5917
40K → 25.2M2712+15#5917#5902
25.2M → Finish10323+80#5902#5822
TOTALS1952428+1524
📊

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