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BOSTON MARATHON 2023

Bailey Gosse

Bib: 10768•F

NV

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
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
7:05/mi
22:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
42:51
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:04:04
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:25:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:30:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:48:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:11:42
↑ 181↓ 1480.2%
20M
7:47/mi
2:22:16
↑ 64↓ 500.2%
21M
8:14/mi
2:30:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:36:00
↑ 17↓ 861.7%
23M
7:56/mi
2:45:56
↑ 23↓ 630.6%
24M
7:43/mi
2:53:39
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:00:33
↓ 200.3%
25.2M
8:51/mi
3:03:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:11:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2222:007:0522:00
7:05
-
10K
6.21 mi11:09:1342:516:5420:51
6:43
-0:22
15K
9.32 mi11:30:261:04:046:5221:13
6:50
+0:07
20K
12.43 mi11:52:151:25:536:5521:49
7:01
+0:11
Half
13.11 mi11:57:031:30:416:554:48
7:02
+0:01
25K
15.53 mi12:14:241:48:026:5717:21
7:09
+0:07
30K
18.64 mi12:38:042:11:427:0423:40
7:37
+0:28
20M
20.00 mi12:48:382:22:167:0710:34
7:47
+0:10
21M
21.00 mi12:56:522:30:307:108:14
8:14
+0:27
35K
21.75 mi13:02:222:36:007:105:30
7:21
-0:53
23M
23.00 mi13:12:182:45:567:139:56
7:56
+0:35
24M
24.00 mi13:20:012:53:397:147:43
7:43
-0:13
40K
24.85 mi13:26:553:00:337:166:54
8:04
+0:21
25.2M
25.20 mi13:29:583:03:367:173:03
8:51
+0:47
Finish
26.22 mi13:38:043:11:427:198:06
7:57
-0:54

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

6:43 /mi

Average Pace

7:19 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:02

56% of race

Time at Steady Pace

47:27

25% of race

Time at Slower Pace

36:13

19% of race

Average Pace: 7:19 /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 mi10:48:2222:007:0522:00
7:05
#6766
10K
6.21 mi11:09:1342:516:5420:51
6:43
#5798
15K
9.32 mi11:30:261:04:046:5221:13
6:50
#5673
20K
12.43 mi11:52:151:25:536:5521:49
7:01
#5784
Half
13.11 mi11:57:031:30:416:554:48
7:02
#5831
25K
15.53 mi12:14:241:48:026:5717:21
7:09
#5940
30K
18.64 mi12:38:042:11:427:0423:40
7:37
#6217
20M
20.00 mi12:48:382:22:167:0710:34
7:47
#6311
21M
21.00 mi12:56:522:30:307:108:14
8:14
#6375
35K
21.75 mi13:02:222:36:007:105:30
7:21
#6385
23M
23.00 mi13:12:182:45:567:139:56
7:56
#6500
24M
24.00 mi13:20:012:53:397:147:43
7:43
#6560
40K
24.85 mi13:26:553:00:337:166:54
8:04
#6618
25.2M
25.20 mi13:29:583:03:367:173:03
8:51
#6680
Finish
26.22 mi13:38:043:11:427:198:06
7:57
#6826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67666596595405(Top 20%)417(Top 4%)417(Top 9%)
10K6.21 mi3.10 mi5798+968471+188471+1884471(Top 17%)288(Top 3%)288(Top 6%)
15K9.32 mi3.11 mi5673+125453+18453+185405(Top 20%)417(Top 4%)417(Top 9%)
20K12.43 mi3.11 mi5784-111464-11464-116129(Top 23%)557(Top 5%)557(Top 11%)
Half13.11 mi0.68 mi5831-47477-13477-136821(Top 26%)718(Top 6%)718(Top 15%)
25K15.53 mi2.42 mi5940-109502-25502-256437(Top 24%)680(Top 6%)680(Top 14%)
30K18.64 mi3.11 mi6217-277585-83585-838068(Top 30%)1332(Top 12%)1332(Top 27%)
20M20.00 mi1.36 mi6311-94617-32617-328694(Top 33%)1659(Top 15%)1659(Top 34%)
21M21.00 mi1.00 mi6375-64640-23640-238812(Top 33%)1839(Top 16%)1839(Top 38%)
35K21.75 mi0.75 mi6385-10650-10650-107503(Top 28%)1295(Top 11%)1295(Top 27%)
23M23.00 mi1.25 mi6500-115701-51701-519303(Top 35%)2163(Top 19%)2163(Top 44%)
24M24.00 mi1.00 mi6560-60727-26727-269204(Top 35%)2192(Top 19%)2192(Top 45%)
40K24.85 mi0.85 mi6618-58765-38765-3810516(Top 40%)2878(Top 25%)2878(Top 59%)
25.2M25.20 mi0.35 mi6680-62793-28793-2811579(Top 43%)3475(Top 30%)3475(Top 71%)
Finish26.22 mi1.02 mi6826-146850-57850-5711735(Top 44%)3555(Top 31%)3555(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5405

Females

417

F18-39

417

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4471

Females

288

F18-39

288

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5405

Females

417

F18-39

417

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6129

Females

557

F18-39

557

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6821

Females

718

F18-39

718

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6437

Females

680

F18-39

680

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8068

Females

1332

F18-39

1332

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8694

Females

1659

F18-39

1659

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8812

Females

1839

F18-39

1839

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7503

Females

1295

F18-39

1295

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9303

Females

2163

F18-39

2163

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9204

Females

2192

F18-39

2192

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10516

Females

2878

F18-39

2878

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11579

Females

3475

F18-39

3475

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11735

Females

3555

F18-39

3555

Passing Analysis

Category:
Athletes Passed
1571
Passed By
1631
Net Change
-60
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6766
5K → 10K9757+968#6766#5798
10K → 15K18156+125#5798#5673
15K → 20K72183-111#5673#5784
20K → Half754-47#5784#5831
Half → 25K41150-109#5831#5940
25K → 30K58335-277#5940#6217
30K → 20M34128-94#6217#6311
20M → 21M3397-64#6311#6375
21M → 35K3343-10#6375#6385
35K → 23M40155-115#6385#6500
23M → 24M3393-60#6500#6560
24M → 40K3593-58#6560#6618
40K → 25.2M1375-62#6618#6680
25.2M → Finish16162-146#6680#6826
TOTALS15711631-60
📊

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