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BOSTON MARATHON 2023

Julia Taylor

Bib: 23053•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F50-54)
#0 / 1207
Top 40%
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
8:21/mi
25:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
52:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:10
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:46:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:52:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:12:58
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:41:28
↑ 181↓ 1480.2%
20M
9:03/mi
2:53:46
↑ 64↓ 500.2%
21M
9:36/mi
3:03:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:09:58
↑ 17↓ 861.7%
23M
9:12/mi
3:21:29
↑ 23↓ 630.6%
24M
9:03/mi
3:30:32
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:38:00
↓ 200.3%
25.2M
9:20/mi
3:41:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:49:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:00
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:57:36
Pace8:58 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4825:588:2125:58
8:21
-
10K
6.21 mi11:49:2252:328:2726:34
8:33
+0:12
15K
9.32 mi12:16:001:19:108:3026:38
8:34
+0:01
20K
12.43 mi12:42:561:46:068:3226:56
8:40
+0:06
Half
13.11 mi12:48:501:52:008:335:54
8:39
-0:01
25K
15.53 mi13:09:482:12:588:3420:58
8:39
0:00
30K
18.64 mi13:38:182:41:288:4028:30
9:10
+0:31
20M
20.00 mi13:50:362:53:468:4112:18
9:03
-0:07
21M
21.00 mi14:00:123:03:228:449:36
9:36
+0:33
35K
21.75 mi14:06:483:09:588:446:36
8:49
-0:47
23M
23.00 mi14:18:193:21:298:4611:31
9:12
+0:23
24M
24.00 mi14:27:223:30:328:469:03
9:03
-0:09
40K
24.85 mi14:34:503:38:008:467:28
8:44
-0:19
25.2M
25.20 mi14:38:033:41:138:473:13
9:20
+0:36
Finish
26.22 mi14:46:263:49:368:468:23
8:14
-1:06

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

8:14 /mi

Average Pace

8:46 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:46

77% of race

Time at Steady Pace

52:50

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:22:4825:588:2125:58
8:21
#16583
10K
6.21 mi11:49:2252:328:2726:34
8:33
#17594
15K
9.32 mi12:16:001:19:108:3026:38
8:34
#17818
20K
12.43 mi12:42:561:46:068:3226:56
8:40
#17812
Half
13.11 mi12:48:501:52:008:335:54
8:39
#17850
25K
15.53 mi13:09:482:12:588:3420:58
8:39
#17683
30K
18.64 mi13:38:182:41:288:4028:30
9:10
#17727
20M
20.00 mi13:50:362:53:468:4112:18
9:03
#17656
21M
21.00 mi14:00:123:03:228:449:36
9:36
#17580
35K
21.75 mi14:06:483:09:588:446:36
8:49
#17554
23M
23.00 mi14:18:193:21:298:4611:31
9:12
#17513
24M
24.00 mi14:27:223:30:328:469:03
9:03
#17533
40K
24.85 mi14:34:503:38:008:467:28
8:44
#17429
25.2M
25.20 mi14:38:033:41:138:473:13
9:20
#17375
Finish
26.22 mi14:46:263:49:368:468:23
8:14
#17256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi165835658565818279(Top 69%)6661(Top 58%)6661(Top 552%)
10K6.21 mi3.10 mi17594-10116282-6246282-62418573(Top 70%)6813(Top 60%)6813(Top 564%)
15K9.32 mi3.11 mi17818-2246413-1316413-13118279(Top 69%)6661(Top 58%)6661(Top 552%)
20K12.43 mi3.11 mi17812+66413641317931(Top 67%)6472(Top 57%)6472(Top 536%)
Half13.11 mi0.68 mi17850-386433-206433-2018618(Top 70%)6832(Top 60%)6832(Top 566%)
25K15.53 mi2.42 mi17683+1676343+906343+9017100(Top 64%)6061(Top 53%)6061(Top 502%)
30K18.64 mi3.11 mi17727-446390-476390-4718044(Top 68%)6676(Top 58%)6676(Top 553%)
20M20.00 mi1.36 mi17656+716363+276363+2716824(Top 63%)6049(Top 53%)6049(Top 501%)
21M21.00 mi1.00 mi17580+766346+176346+1716443(Top 62%)5882(Top 51%)5882(Top 487%)
35K21.75 mi0.75 mi17554+266343+36343+317078(Top 64%)6316(Top 55%)6316(Top 523%)
23M23.00 mi1.25 mi17513+416330+136330+1317064(Top 64%)6326(Top 55%)6326(Top 524%)
24M24.00 mi1.00 mi17533-206350-206350-2017464(Top 66%)6612(Top 58%)6612(Top 548%)
40K24.85 mi0.85 mi17429+1046299+516299+5114757(Top 55%)5170(Top 45%)5170(Top 428%)
25.2M25.20 mi0.35 mi17375+546282+176282+1714424(Top 54%)4994(Top 44%)4994(Top 414%)
Finish26.22 mi1.02 mi17256+1196218+646218+6413666(Top 51%)4572(Top 40%)4572(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18279

Females

6661

F50-54

6661

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18573

Females

6813

F50-54

6813

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18279

Females

6661

F50-54

6661

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17931

Females

6472

F50-54

6472

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18618

Females

6832

F50-54

6832

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17100

Females

6061

F50-54

6061

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18044

Females

6676

F50-54

6676

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16824

Females

6049

F50-54

6049

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16443

Females

5882

F50-54

5882

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17078

Females

6316

F50-54

6316

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17064

Females

6326

F50-54

6326

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17464

Females

6612

F50-54

6612

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14757

Females

5170

F50-54

5170

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14424

Females

4994

F50-54

4994

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13666

Females

4572

F50-54

4572

Passing Analysis

Category:
Athletes Passed
1527
Passed By
2200
Net Change
-673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16583
5K → 10K601071-1011#16583#17594
10K → 15K123347-224#17594#17818
15K → 20K167161+6#17818#17812
20K → Half1957-38#17812#17850
Half → 25K21548+167#17850#17683
25K → 30K164208-44#17683#17727
30K → 20M11645+71#17727#17656
20M → 21M13458+76#17656#17580
21M → 35K5529+26#17580#17554
35K → 23M10665+41#17554#17513
23M → 24M5272-20#17513#17533
24M → 40K1128+104#17533#17429
40K → 25.2M6713+54#17429#17375
25.2M → Finish13718+119#17375#17256
TOTALS15272200-673
📊

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