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BOSTON MARATHON 2023

Bridget Ybarra

Bib: 15051•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
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
7:35/mi
23:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:09:02
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:31:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:36:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:53:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:15:49
↑ 181↓ 1480.2%
20M
7:15/mi
2:25:40
↑ 64↓ 500.2%
21M
7:38/mi
2:33:18
↑ 106↓ 241.6%
35K· 21.75 mi
6:54/mi
2:38:28
↑ 17↓ 861.7%
23M
7:09/mi
2:47:25
↑ 23↓ 630.6%
24M
6:52/mi
2:54:17
↓ 821.3%
40K· 24.85 mi
7:02/mi
3:00:18
↓ 200.3%
25.2M
7:32/mi
3:02:54
↑ 13↓ 160.2%
Finish· 26.22 mi
6:54/mi
3:09:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:49
Pace7:09 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1423:357:3523:35
7:35
-
10K
6.21 mi11:17:1546:367:3023:01
7:25
-0:10
15K
9.32 mi11:39:411:09:027:2422:26
7:13
-0:12
20K
12.43 mi12:01:561:31:177:2122:15
7:10
-0:03
Half
13.11 mi12:06:461:36:077:204:50
7:05
-0:05
25K
15.53 mi12:24:001:53:217:1817:14
7:06
+0:01
30K
18.64 mi12:46:282:15:497:1722:28
7:14
+0:08
20M
20.00 mi12:56:192:25:407:179:51
7:15
+0:01
21M
21.00 mi13:03:572:33:187:187:38
7:38
+0:23
35K
21.75 mi13:09:072:38:287:175:10
6:54
-0:44
23M
23.00 mi13:18:042:47:257:178:57
7:09
+0:15
24M
24.00 mi13:24:562:54:177:166:52
6:52
-0:17
40K
24.85 mi13:30:573:00:187:156:01
7:02
+0:10
25.2M
25.20 mi13:33:333:02:547:152:36
7:32
+0:30
Finish
26.22 mi13:40:353:09:567:157:02
6:54
-0:38

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

6:52 /mi

Average Pace

7:15 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:43

84% of race

Time at Steady Pace

31:13

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:54:1423:357:3523:35
7:35
#10452
10K
6.21 mi11:17:1546:367:3023:01
7:25
#10023
15K
9.32 mi11:39:411:09:027:2422:26
7:13
#9233
20K
12.43 mi12:01:561:31:177:2122:15
7:10
#8602
Half
13.11 mi12:06:461:36:077:204:50
7:05
#8499
25K
15.53 mi12:24:001:53:217:1817:14
7:06
#8046
30K
18.64 mi12:46:282:15:497:1722:28
7:14
#7539
20M
20.00 mi12:56:192:25:407:179:51
7:15
#7334
21M
21.00 mi13:03:572:33:187:187:38
7:38
#7183
35K
21.75 mi13:09:072:38:287:175:10
6:54
#7080
23M
23.00 mi13:18:042:47:257:178:57
7:09
#6866
24M
24.00 mi13:24:562:54:177:166:52
6:52
#6697
40K
24.85 mi13:30:573:00:187:156:01
7:02
#6543
25.2M
25.20 mi13:33:333:02:547:152:36
7:32
#6492
Finish
26.22 mi13:40:353:09:567:157:02
6:54
#6416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10452205720577944(Top 30%)1047(Top 9%)1047(Top 21%)
10K6.21 mi3.10 mi10023+4291848+2091848+2099707(Top 36%)1692(Top 15%)1692(Top 35%)
15K9.32 mi3.11 mi9233+7901513+3351513+3357944(Top 30%)1047(Top 9%)1047(Top 21%)
20K12.43 mi3.11 mi8602+6311275+2381275+2386878(Top 26%)751(Top 7%)751(Top 15%)
Half13.11 mi0.68 mi8499+1031232+431232+437096(Top 27%)788(Top 7%)788(Top 16%)
25K15.53 mi2.42 mi8046+4531090+1421090+1426174(Top 23%)600(Top 5%)600(Top 12%)
30K18.64 mi3.11 mi7539+507948+142948+1425674(Top 21%)544(Top 5%)544(Top 11%)
20M20.00 mi1.36 mi7334+205889+59889+595395(Top 20%)552(Top 5%)552(Top 11%)
21M21.00 mi1.00 mi7183+151852+37852+375305(Top 20%)614(Top 5%)614(Top 13%)
35K21.75 mi0.75 mi7080+103830+22830+224867(Top 18%)483(Top 4%)483(Top 10%)
23M23.00 mi1.25 mi6866+214793+37793+374577(Top 17%)434(Top 4%)434(Top 9%)
24M24.00 mi1.00 mi6697+169765+28765+284052(Top 15%)363(Top 3%)363(Top 7%)
40K24.85 mi0.85 mi6543+154738+27738+274078(Top 15%)431(Top 4%)431(Top 9%)
25.2M25.20 mi0.35 mi6492+51732+6732+64168(Top 16%)494(Top 4%)494(Top 10%)
Finish26.22 mi1.02 mi6416+76718+14718+144671(Top 18%)623(Top 5%)623(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7944

Females

1047

F18-39

1047

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9707

Females

1692

F18-39

1692

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7944

Females

1047

F18-39

1047

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6878

Females

751

F18-39

751

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7096

Females

788

F18-39

788

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6174

Females

600

F18-39

600

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5674

Females

544

F18-39

544

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5395

Females

552

F18-39

552

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5305

Females

614

F18-39

614

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4867

Females

483

F18-39

483

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4577

Females

434

F18-39

434

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4052

Females

363

F18-39

363

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4078

Females

431

F18-39

431

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4168

Females

494

F18-39

494

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4671

Females

623

F18-39

623

Passing Analysis

Category:
Athletes Passed
4227*
Passed By
191
Net Change
+4036
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10452
5K → 10K562*133+429#10452#10023
10K → 15K797*7+790#10023#9233
15K → 20K6343+631#9233#8602
20K → Half1085+103#8602#8499
Half → 25K4541+453#8499#8046
25K → 30K5092+507#8046#7539
30K → 20M2072+205#7539#7334
20M → 21M1554+151#7334#7183
21M → 35K1085+103#7183#7080
35K → 23M2173+214#7080#6866
23M → 24M1734+169#6866#6697
24M → 40K1551+154#6697#6543
40K → 25.2M576+51#6543#6492
25.2M → Finish9115+76#6492#6416
TOTALS4227*191+4036

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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