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BOSTON MARATHON 2023

Jacqueline Bower

Bib: 12859•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
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
7:58/mi
24:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:51
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:38:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:03:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:28:18
↑ 181↓ 1480.2%
20M
8:07/mi
2:39:20
↑ 64↓ 500.2%
21M
8:48/mi
2:48:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:54:10
↑ 17↓ 861.7%
23M
8:38/mi
3:04:59
↑ 23↓ 630.6%
24M
8:15/mi
3:13:14
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:20:00
↓ 200.3%
25.2M
8:51/mi
3:23:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:31:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:47:18
Pace8:11 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0224:457:5824:45
7:58
-
10K
6.21 mi11:16:4449:277:5724:42
7:57
-0:01
15K
9.32 mi11:41:081:13:517:5524:24
7:51
-0:06
20K
12.43 mi12:05:341:38:177:5524:26
7:52
+0:01
Half
13.11 mi12:10:591:43:427:555:25
7:56
+0:04
25K
15.53 mi12:30:272:03:107:5619:28
8:02
+0:06
30K
18.64 mi12:55:352:28:187:5725:08
8:05
+0:03
20M
20.00 mi13:06:372:39:207:5811:02
8:07
+0:02
21M
21.00 mi13:15:252:48:088:008:48
8:48
+0:41
35K
21.75 mi13:21:272:54:108:016:02
8:04
-0:44
23M
23.00 mi13:32:163:04:598:0310:49
8:38
+0:34
24M
24.00 mi13:40:313:13:148:038:15
8:15
-0:23
40K
24.85 mi13:47:173:20:008:036:46
7:55
-0:20
25.2M
25.20 mi13:50:203:23:038:033:03
8:51
+0:56
Finish
26.22 mi13:58:173:31:008:037:57
7:48
-1:03

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

7:48 /mi

Average Pace

8:03 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:20

89% of race

Time at Steady Pace

22:40

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi10:52:0224:457:5824:45
7:58
#13778
10K
6.21 mi11:16:4449:277:5724:42
7:57
#14068
15K
9.32 mi11:41:081:13:517:5524:24
7:51
#13761
20K
12.43 mi12:05:341:38:177:5524:26
7:52
#13400
Half
13.11 mi12:10:591:43:427:555:25
7:56
#13400
25K
15.53 mi12:30:272:03:107:5619:28
8:02
#13299
30K
18.64 mi12:55:352:28:187:5725:08
8:05
#12950
20M
20.00 mi13:06:372:39:207:5811:02
8:07
#12766
21M
21.00 mi13:15:252:48:088:008:48
8:48
#12703
35K
21.75 mi13:21:272:54:108:016:02
8:04
#12689
23M
23.00 mi13:32:163:04:598:0310:49
8:38
#12786
24M
24.00 mi13:40:313:13:148:038:15
8:15
#12776
40K
24.85 mi13:47:173:20:008:036:46
7:55
#12646
25.2M
25.20 mi13:50:203:23:038:033:03
8:51
#12630
Finish
26.22 mi13:58:173:31:008:037:57
7:48
#12538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137783890389013153(Top 49%)3574(Top 31%)3574(Top 73%)
10K6.21 mi3.10 mi14068-2904080-1904080-19014412(Top 54%)4307(Top 38%)4307(Top 88%)
15K9.32 mi3.11 mi13761+3073918+1623918+16213153(Top 49%)3574(Top 31%)3574(Top 73%)
20K12.43 mi3.11 mi13400+3613720+1983720+19812300(Top 46%)3137(Top 27%)3137(Top 64%)
Half13.11 mi0.68 mi134003723-33723-313902(Top 52%)4011(Top 35%)4011(Top 82%)
25K15.53 mi2.42 mi13299+1013681+423681+4212984(Top 49%)3617(Top 32%)3617(Top 74%)
30K18.64 mi3.11 mi12950+3493516+1653516+16511591(Top 44%)2953(Top 26%)2953(Top 60%)
20M20.00 mi1.36 mi12766+1843432+843432+8411189(Top 42%)2830(Top 25%)2830(Top 58%)
21M21.00 mi1.00 mi12703+633415+173415+1712272(Top 46%)3549(Top 31%)3549(Top 73%)
35K21.75 mi0.75 mi12689+143423-83423-812597(Top 47%)3758(Top 33%)3758(Top 77%)
23M23.00 mi1.25 mi12786-973501-783501-7814019(Top 53%)4620(Top 40%)4620(Top 95%)
24M24.00 mi1.00 mi12776+103519-183519-1812955(Top 49%)4107(Top 36%)4107(Top 84%)
40K24.85 mi0.85 mi12646+1303459+603459+609507(Top 36%)2422(Top 21%)2422(Top 50%)
25.2M25.20 mi0.35 mi12630+163461-23461-211643(Top 44%)3539(Top 31%)3539(Top 72%)
Finish26.22 mi1.02 mi12538+923432+293432+2910715(Top 40%)3047(Top 27%)3047(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13153

Females

3574

F18-39

3574

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14412

Females

4307

F18-39

4307

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13153

Females

3574

F18-39

3574

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12300

Females

3137

F18-39

3137

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13902

Females

4011

F18-39

4011

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12984

Females

3617

F18-39

3617

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11591

Females

2953

F18-39

2953

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11189

Females

2830

F18-39

2830

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12272

Females

3549

F18-39

3549

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12597

Females

3758

F18-39

3758

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14019

Females

4620

F18-39

4620

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12955

Females

4107

F18-39

4107

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9507

Females

2422

F18-39

2422

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11643

Females

3539

F18-39

3539

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10715

Females

3047

F18-39

3047

Passing Analysis

Category:
Athletes Passed
2347
Passed By
1107
Net Change
+1240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13778
5K → 10K159449-290#13778#14068
10K → 15K37871+307#14068#13761
15K → 20K39635+361#13761#13400
20K → Half33330#13400#13400
Half → 25K19190+101#13400#13299
25K → 30K39748+349#13299#12950
30K → 20M20117+184#12950#12766
20M → 21M12461+63#12766#12703
21M → 35K5036+14#12703#12689
35K → 23M50147-97#12689#12786
23M → 24M7767+10#12786#12776
24M → 40K1377+130#12776#12646
40K → 25.2M3721+16#12646#12630
25.2M → Finish11725+92#12630#12538
TOTALS23471107+1240
📊

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