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BOSTON MARATHON 2023

Julie Simard

Bib: 21177•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:54
Rank: #14140
Start → 5K
8:01/mi
24:54 split
10K· 6.21 mi
50:02
Rank: #14764 (-624)
5K → 10K
8:05/mi
25:08 split
15K· 9.32 mi
1:15:34
Rank: #15171 (-407)
10K → 15K
8:13/mi
25:32 split
20K· 12.43 mi
1:41:37
Rank: #15425 (-254)
15K → 20K
8:23/mi
26:03 split
Half· 13.11 mi
1:47:15
Rank: #15468 (-43)
20K → Half
8:15/mi
5:38 split
25K· 15.53 mi
2:08:08
Rank: #15682 (-214)
Half → 25K
8:37/mi
20:53 split
30K· 18.64 mi
2:37:58
Rank: #16627 (-945)
25K → 30K
9:36/mi
29:50 split
20M
2:50:22
Rank: #16655 (-28)
30K → 20M
9:07/mi
12:24 split
21M
3:00:26
Rank: #16755 (-100)
20M → 21M
10:04/mi
10:04 split
35K· 21.75 mi
3:07:13
Rank: #16809 (-54)
21M → 35K
9:04/mi
6:47 split
23M
3:18:50
Rank: #16846 (-37)
35K → 23M
9:17/mi
11:37 split
24M
3:28:07
Rank: #16930 (-84)
23M → 24M
9:17/mi
9:17 split
40K· 24.85 mi
3:36:46
Rank: #17123 (-193)
24M → 40K
10:07/mi
8:39 split
25.2M
3:40:38
Rank: #17239 (-116)
40K → 25.2M
11:13/mi
3:52 split
Finish· 26.22 mi
3:51:01
Rank: #17570 (-331)
25.2M → Finish
10:11/mi
10:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:03:46
Pace9:26 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5724:548:0124:54
8:01
-
10K
6.21 mi11:46:0550:028:0325:08
8:05
+0:04
15K
9.32 mi12:11:371:15:348:0625:32
8:13
+0:08
20K
12.43 mi12:37:401:41:378:1126:03
8:23
+0:10
Half
13.11 mi12:43:181:47:158:115:38
8:15
-0:08
25K
15.53 mi13:04:112:08:088:1520:53
8:37
+0:22
30K
18.64 mi13:34:012:37:588:2829:50
9:36
+0:59
20M
20.00 mi13:46:252:50:228:3112:24
9:07
-0:29
21M
21.00 mi13:56:293:00:268:3610:04
10:04
+0:57
35K
21.75 mi14:03:163:07:138:376:47
9:04
-1:00
23M
23.00 mi14:14:533:18:508:3911:37
9:17
+0:13
24M
24.00 mi14:24:103:28:078:409:17
9:17
0:00
40K
24.85 mi14:32:493:36:468:438:39
10:07
+0:50
25.2M
25.20 mi14:36:413:40:388:453:52
11:13
+1:06
Finish
26.22 mi14:47:043:51:018:4910:23
10:11
-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

8:01 /mi

Average Pace

8:49 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:08

55% of race

Time at Steady Pace

40:05

17% of race

Time at Slower Pace

1:02:48

27% of race

Average Pace: 8:49 /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 mi11:20:5724:548:0124:54
8:01
#14140
10K
6.21 mi11:46:0550:028:0325:08
8:05
#14764
15K
9.32 mi12:11:371:15:348:0625:32
8:13
#15171
20K
12.43 mi12:37:401:41:378:1126:03
8:23
#15425
Half
13.11 mi12:43:181:47:158:115:38
8:15
#15468
25K
15.53 mi13:04:112:08:088:1520:53
8:37
#15682
30K
18.64 mi13:34:012:37:588:2829:50
9:36
#16627
20M
20.00 mi13:46:252:50:228:3112:24
9:07
#16655
21M
21.00 mi13:56:293:00:268:3610:04
10:04
#16755
35K
21.75 mi14:03:163:07:138:376:47
9:04
#16809
23M
23.00 mi14:14:533:18:508:3911:37
9:17
#16846
24M
24.00 mi14:24:103:28:078:409:17
9:17
#16930
40K
24.85 mi14:32:493:36:468:438:39
10:07
#17123
25.2M
25.20 mi14:36:413:40:388:453:52
11:13
#17239
Finish
26.22 mi14:47:043:51:018:4910:23
10:11
#17570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141404118411816005(Top 60%)5305(Top 46%)5305(Top 292%)
10K6.21 mi3.10 mi14764-6244506-3884506-38815458(Top 58%)4944(Top 43%)4944(Top 272%)
15K9.32 mi3.11 mi15171-4074765-2594765-25916005(Top 60%)5305(Top 46%)5305(Top 292%)
20K12.43 mi3.11 mi15425-2544946-1814946-18116173(Top 61%)5457(Top 48%)5457(Top 300%)
Half13.11 mi0.68 mi15468-434979-334979-3316286(Top 61%)5487(Top 48%)5487(Top 302%)
25K15.53 mi2.42 mi15682-2145140-1615140-16116892(Top 63%)5951(Top 52%)5951(Top 328%)
30K18.64 mi3.11 mi16627-9455766-6265766-62619795(Top 74%)7647(Top 67%)7647(Top 421%)
20M20.00 mi1.36 mi16655-285785-195785-1917208(Top 65%)6289(Top 55%)6289(Top 346%)
21M21.00 mi1.00 mi16755-1005842-575842-5718272(Top 69%)6909(Top 60%)6909(Top 380%)
35K21.75 mi0.75 mi16809-545883-415883-4118183(Top 68%)6935(Top 61%)6935(Top 382%)
23M23.00 mi1.25 mi16846-375928-455928-4517421(Top 65%)6516(Top 57%)6516(Top 359%)
24M24.00 mi1.00 mi16930-845999-715999-7118402(Top 69%)7109(Top 62%)7109(Top 391%)
40K24.85 mi0.85 mi17123-1936129-1306129-13020285(Top 76%)8206(Top 72%)8206(Top 452%)
25.2M25.20 mi0.35 mi17239-1166201-726201-7220947(Top 79%)8553(Top 75%)8553(Top 471%)
Finish26.22 mi1.02 mi17570-3316399-1986399-19822269(Top 84%)9260(Top 81%)9260(Top 510%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16005

Females

5305

F45-49

5305

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15458

Females

4944

F45-49

4944

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16005

Females

5305

F45-49

5305

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16173

Females

5457

F45-49

5457

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16286

Females

5487

F45-49

5487

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16892

Females

5951

F45-49

5951

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19795

Females

7647

F45-49

7647

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17208

Females

6289

F45-49

6289

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18272

Females

6909

F45-49

6909

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18183

Females

6935

F45-49

6935

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17421

Females

6516

F45-49

6516

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18402

Females

7109

F45-49

7109

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20285

Females

8206

F45-49

8206

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20947

Females

8553

F45-49

8553

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22269

Females

9260

F45-49

9260

Passing Analysis

Category:
Athletes Passed
689
Passed By
4119
Net Change
-3430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14140
5K → 10K88712-624#14140#14764
10K → 15K68475-407#14764#15171
15K → 20K98352-254#15171#15425
20K → Half2366-43#15425#15468
Half → 25K86300-214#15468#15682
25K → 30K34979-945#15682#16627
30K → 20M72100-28#16627#16655
20M → 21M51151-100#16655#16755
21M → 35K3488-54#16755#16809
35K → 23M63100-37#16809#16846
23M → 24M39123-84#16846#16930
24M → 40K20213-193#16930#17123
40K → 25.2M6122-116#17123#17239
25.2M → Finish7338-331#17239#17570
TOTALS6894119-3430
📊

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