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BOSTON MARATHON 2023

Julie Sprague

Bib: 22619•F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 43%
Division (F45-49)
#0 / 1817
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
8:20/mi
25:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:23
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:42:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:08:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:35:42
↑ 181↓ 1480.2%
20M
9:07/mi
2:48:05
↑ 64↓ 500.2%
21M
9:59/mi
2:58:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:04:47
↑ 17↓ 861.7%
23M
9:21/mi
3:16:29
↑ 23↓ 630.6%
24M
9:27/mi
3:25:56
↓ 821.3%
40K· 24.85 mi
9:42/mi
3:34:14
↓ 200.3%
25.2M
11:07/mi
3:38:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
3:48:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:43
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:00:25
Pace9:11 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5525:548:2025:54
8:20
-
10K
6.21 mi11:45:1051:098:1425:15
8:08
-0:12
15K
9.32 mi12:10:241:16:238:1225:14
8:07
-0:01
20K
12.43 mi12:36:101:42:098:1325:46
8:18
+0:11
Half
13.11 mi12:41:441:47:438:135:34
8:10
-0:08
25K
15.53 mi13:02:082:08:078:1520:24
8:25
+0:15
30K
18.64 mi13:29:432:35:428:2127:35
8:53
+0:28
20M
20.00 mi13:42:062:48:058:2412:23
9:07
+0:14
21M
21.00 mi13:52:052:58:048:299:59
9:59
+0:52
35K
21.75 mi13:58:483:04:478:306:43
8:59
-1:00
23M
23.00 mi14:10:303:16:298:3311:42
9:21
+0:22
24M
24.00 mi14:19:573:25:568:359:27
9:27
+0:06
40K
24.85 mi14:28:153:34:148:378:18
9:42
+0:15
25.2M
25.20 mi14:32:053:38:048:393:50
11:07
+1:25
Finish
26.22 mi14:42:093:48:088:4210:04
9:53
-1:14

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

8:07 /mi

Average Pace

8:42 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:07

56% of race

Time at Steady Pace

58:23

26% of race

Time at Slower Pace

41:38

18% of race

Average Pace: 8:42 /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 mi11:19:5525:548:2025:54
8:20
#16408
10K
6.21 mi11:45:1051:098:1425:15
8:08
#16062
15K
9.32 mi12:10:241:16:238:1225:14
8:07
#15799
20K
12.43 mi12:36:101:42:098:1325:46
8:18
#15713
Half
13.11 mi12:41:441:47:438:135:34
8:10
#15693
25K
15.53 mi13:02:082:08:078:1520:24
8:25
#15673
30K
18.64 mi13:29:432:35:428:2127:35
8:53
#15831
20M
20.00 mi13:42:062:48:058:2412:23
9:07
#15931
21M
21.00 mi13:52:052:58:048:299:59
9:59
#16053
35K
21.75 mi13:58:483:04:478:306:43
8:59
#16117
23M
23.00 mi14:10:303:16:298:3311:42
9:21
#16221
24M
24.00 mi14:19:573:25:568:359:27
9:27
#16383
40K
24.85 mi14:28:153:34:148:378:18
9:42
#16510
25.2M
25.20 mi14:32:053:38:048:393:50
11:07
#16624
Finish
26.22 mi14:42:093:48:088:4210:04
9:53
#16890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164085543554315324(Top 58%)4866(Top 43%)4866(Top 268%)
10K6.21 mi3.10 mi16062+3465320+2235320+22315741(Top 59%)5108(Top 45%)5108(Top 281%)
15K9.32 mi3.11 mi15799+2635156+1645156+16415324(Top 58%)4866(Top 43%)4866(Top 268%)
20K12.43 mi3.11 mi15713+865123+335123+3315586(Top 59%)5089(Top 45%)5089(Top 280%)
Half13.11 mi0.68 mi15693+205119+45119+415585(Top 59%)5057(Top 44%)5057(Top 278%)
25K15.53 mi2.42 mi15673+205134-155134-1515690(Top 59%)5264(Top 46%)5264(Top 290%)
30K18.64 mi3.11 mi15831-1585270-1365270-13616548(Top 62%)5819(Top 51%)5819(Top 320%)
20M20.00 mi1.36 mi15931-1005359-895359-8917139(Top 64%)6248(Top 55%)6248(Top 344%)
21M21.00 mi1.00 mi16053-1225447-885447-8817979(Top 68%)6744(Top 59%)6744(Top 371%)
35K21.75 mi0.75 mi16117-645508-615508-6117826(Top 67%)6728(Top 59%)6728(Top 370%)
23M23.00 mi1.25 mi16221-1045570-625570-6217716(Top 67%)6697(Top 59%)6697(Top 369%)
24M24.00 mi1.00 mi16383-1625679-1095679-10919047(Top 72%)7467(Top 65%)7467(Top 411%)
40K24.85 mi0.85 mi16510-1275776-975776-9719054(Top 72%)7524(Top 66%)7524(Top 414%)
25.2M25.20 mi0.35 mi16624-1145846-705846-7020726(Top 78%)8432(Top 74%)8432(Top 464%)
Finish26.22 mi1.02 mi16890-2666015-1696015-16921409(Top 80%)8784(Top 77%)8784(Top 483%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15324

Females

4866

F45-49

4866

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15741

Females

5108

F45-49

5108

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15324

Females

4866

F45-49

4866

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15586

Females

5089

F45-49

5089

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15585

Females

5057

F45-49

5057

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15690

Females

5264

F45-49

5264

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16548

Females

5819

F45-49

5819

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17139

Females

6248

F45-49

6248

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

17979

Females

6744

F45-49

6744

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17826

Females

6728

F45-49

6728

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17716

Females

6697

F45-49

6697

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19047

Females

7467

F45-49

7467

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19054

Females

7524

F45-49

7524

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20726

Females

8432

F45-49

8432

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21409

Females

8784

F45-49

8784

Passing Analysis

Category:
Athletes Passed
1663
Passed By
2145
Net Change
-482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16408
5K → 10K501155+346#16408#16062
10K → 15K35895+263#16062#15799
15K → 20K222136+86#15799#15713
20K → Half4020+20#15713#15693
Half → 25K140120+20#15693#15673
25K → 30K111269-158#15673#15831
30K → 20M67167-100#15831#15931
20M → 21M51173-122#15931#16053
21M → 35K3599-64#16053#16117
35K → 23M48152-104#16117#16221
23M → 24M29191-162#16221#16383
24M → 40K34161-127#16383#16510
40K → 25.2M11125-114#16510#16624
25.2M → Finish16282-266#16624#16890
TOTALS16632145-482
📊

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