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BOSTON MARATHON 2023

Chelsea Bishop

Bib: 11434•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
43:05
↑ 79↓ 1380.4%
15K· 9.32 mi
6:51/mi
1:04:23
↑ 67↓ 78
20K· 12.43 mi
7:00/mi
1:26:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:30:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:48:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:10:56
↑ 181↓ 1480.2%
20M
7:24/mi
2:20:59
↑ 64↓ 500.2%
21M
7:45/mi
2:28:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:34:09
↑ 17↓ 861.7%
23M
7:26/mi
2:43:27
↑ 23↓ 630.6%
24M
7:17/mi
2:50:44
↓ 821.3%
40K· 24.85 mi
7:12/mi
2:56:53
↓ 200.3%
25.2M
7:56/mi
2:59:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:54/mi
3:06:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:55
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5421:547:0321:54
7:03
-
10K
6.21 mi11:10:0543:056:5621:11
6:49
-0:14
15K
9.32 mi11:31:231:04:236:5421:18
6:51
+0:02
20K
12.43 mi11:53:081:26:086:5621:45
7:00
+0:09
Half
13.11 mi11:57:551:30:556:564:47
7:01
+0:01
25K
15.53 mi12:15:071:48:076:5817:12
7:06
+0:05
30K
18.64 mi12:37:562:10:567:0122:49
7:21
+0:15
20M
20.00 mi12:47:592:20:597:0310:03
7:24
+0:03
21M
21.00 mi12:55:442:28:447:057:45
7:45
+0:21
35K
21.75 mi13:01:092:34:097:055:25
7:14
-0:31
23M
23.00 mi13:10:272:43:277:069:18
7:26
+0:12
24M
24.00 mi13:17:442:50:447:077:17
7:17
-0:09
40K
24.85 mi13:23:532:56:537:076:09
7:12
-0:05
25.2M
25.20 mi13:26:372:59:377:082:44
7:56
+0:44
Finish
26.22 mi13:33:393:06:397:077:02
6:54
-1:02

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

6:49 /mi

Average Pace

7:07 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:10

94% of race

Time at Steady Pace

10:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:48:5421:547:0321:54
7:03
#6565
10K
6.21 mi11:10:0543:056:5621:11
6:49
#6081
15K
9.32 mi11:31:231:04:236:5421:18
6:51
#5905
20K
12.43 mi11:53:081:26:086:5621:45
7:00
#5927
Half
13.11 mi11:57:551:30:556:564:47
7:01
#5959
25K
15.53 mi12:15:071:48:076:5817:12
7:06
#5973
30K
18.64 mi12:37:562:10:567:0122:49
7:21
#5968
20M
20.00 mi12:47:592:20:597:0310:03
7:24
#5949
21M
21.00 mi12:55:442:28:447:057:45
7:45
#5891
35K
21.75 mi13:01:092:34:097:055:25
7:14
#5885
23M
23.00 mi13:10:272:43:277:069:18
7:26
#5849
24M
24.00 mi13:17:442:50:447:077:17
7:17
#5810
40K
24.85 mi13:23:532:56:537:076:09
7:12
#5739
25.2M
25.20 mi13:26:372:59:377:082:44
7:56
#5719
Finish
26.22 mi13:33:393:06:397:077:02
6:54
#5621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65656206205633(Top 21%)455(Top 4%)455(Top 9%)
10K6.21 mi3.10 mi6081+484526+94526+945491(Top 21%)429(Top 4%)429(Top 9%)
15K9.32 mi3.11 mi5905+176495+31495+315633(Top 21%)455(Top 4%)455(Top 9%)
20K12.43 mi3.11 mi5927-22503-8503-86001(Top 23%)522(Top 5%)522(Top 11%)
Half13.11 mi0.68 mi5959-32510-7510-76644(Top 25%)656(Top 6%)656(Top 13%)
25K15.53 mi2.42 mi5973-14506+4506+46088(Top 23%)571(Top 5%)571(Top 12%)
30K18.64 mi3.11 mi5968+5521-15521-156286(Top 24%)702(Top 6%)702(Top 14%)
20M20.00 mi1.36 mi5949+19528-7528-76178(Top 23%)745(Top 7%)745(Top 15%)
21M21.00 mi1.00 mi5891+58529-1529-15925(Top 22%)774(Top 7%)774(Top 16%)
35K21.75 mi0.75 mi5885+6533-4533-46793(Top 26%)1011(Top 9%)1011(Top 21%)
23M23.00 mi1.25 mi5849+36537-4537-46039(Top 23%)822(Top 7%)822(Top 17%)
24M24.00 mi1.00 mi5810+39541-4541-46284(Top 24%)1003(Top 9%)1003(Top 21%)
40K24.85 mi0.85 mi5739+71536+5536+54873(Top 18%)603(Top 5%)603(Top 12%)
25.2M25.20 mi0.35 mi5719+20539-3539-36127(Top 23%)1077(Top 9%)1077(Top 22%)
Finish26.22 mi1.02 mi5621+98527+12527+124668(Top 18%)620(Top 5%)620(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5633

Females

455

F18-39

455

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5491

Females

429

F18-39

429

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5633

Females

455

F18-39

455

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6001

Females

522

F18-39

522

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6644

Females

656

F18-39

656

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6088

Females

571

F18-39

571

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6286

Females

702

F18-39

702

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6178

Females

745

F18-39

745

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5925

Females

774

F18-39

774

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6793

Females

1011

F18-39

1011

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6039

Females

822

F18-39

822

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6284

Females

1003

F18-39

1003

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4873

Females

603

F18-39

603

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6127

Females

1077

F18-39

1077

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4668

Females

620

F18-39

620

Passing Analysis

Category:
Athletes Passed
1625
Passed By
681
Net Change
+944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6565
5K → 10K52440+484#6565#6081
10K → 15K23559+176#6081#5905
15K → 20K95117-22#5905#5927
20K → Half941-32#5927#5959
Half → 25K6882-14#5959#5973
25K → 30K135130+5#5973#5968
30K → 20M7051+19#5968#5949
20M → 21M8426+58#5949#5891
21M → 35K3933+6#5891#5885
35K → 23M6731+36#5885#5849
23M → 24M7435+39#5849#5810
24M → 40K8312+71#5810#5739
40K → 25.2M299+20#5739#5719
25.2M → Finish11315+98#5719#5621
TOTALS1625681+944
📊

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