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BOSTON MARATHON 2023

Heidi Bard

Bib: 21461•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
8:45/mi
27:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:51/mi
54:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:22:18
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:50:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:56:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:19:12
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:48:24
↑ 181↓ 1480.2%
20M
9:23/mi
3:01:09
↑ 64↓ 500.2%
21M
9:54/mi
3:11:03
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:17:53
↑ 17↓ 861.7%
23M
9:09/mi
3:29:20
↑ 23↓ 630.6%
24M
9:02/mi
3:38:22
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:46:11
↓ 200.3%
25.2M
9:43/mi
3:49:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:58:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:53
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:01:29
Pace9:16 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0127:118:4527:11
8:45
-
10K
6.21 mi11:47:3254:428:4827:31
8:51
+0:06
15K
9.32 mi12:15:081:22:188:5027:36
8:53
+0:02
20K
12.43 mi12:43:361:50:468:5528:28
9:10
+0:17
Half
13.11 mi12:49:431:56:538:556:07
8:58
-0:12
25K
15.53 mi13:12:022:19:128:5822:19
9:12
+0:14
30K
18.64 mi13:41:142:48:249:0229:12
9:24
+0:12
20M
20.00 mi13:53:593:01:099:0312:45
9:23
-0:01
21M
21.00 mi14:03:533:11:039:069:54
9:54
+0:31
35K
21.75 mi14:10:433:17:539:066:50
9:08
-0:46
23M
23.00 mi14:22:103:29:209:0611:27
9:09
+0:01
24M
24.00 mi14:31:123:38:229:069:02
9:02
-0:07
40K
24.85 mi14:39:013:46:119:067:49
9:09
+0:07
25.2M
25.20 mi14:42:223:49:329:073:21
9:43
+0:34
Finish
26.22 mi14:51:123:58:229:068:50
8:40
-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

8:40 /mi

Average Pace

9:06 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:07

94% of race

Time at Steady Pace

13:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:20:0127:118:4527:11
8:45
#19187
10K
6.21 mi11:47:3254:428:4827:31
8:51
#19699
15K
9.32 mi12:15:081:22:188:5027:36
8:53
#19765
20K
12.43 mi12:43:361:50:468:5528:28
9:10
#19921
Half
13.11 mi12:49:431:56:538:556:07
8:58
#19942
25K
15.53 mi13:12:022:19:128:5822:19
9:12
#19939
30K
18.64 mi13:41:142:48:249:0229:12
9:24
#19748
20M
20.00 mi13:53:593:01:099:0312:45
9:23
#19634
21M
21.00 mi14:03:533:11:039:069:54
9:54
#19504
35K
21.75 mi14:10:433:17:539:066:50
9:08
#19461
23M
23.00 mi14:22:103:29:209:0611:27
9:09
#19310
24M
24.00 mi14:31:123:38:229:069:02
9:02
#19234
40K
24.85 mi14:39:013:46:119:067:49
9:09
#19144
25.2M
25.20 mi14:42:223:49:329:073:21
9:43
#19099
Finish
26.22 mi14:51:123:58:229:068:50
8:40
#19016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi191877321732119957(Top 75%)7660(Top 67%)7660(Top 422%)
10K6.21 mi3.10 mi19699-5127587-2667587-26620206(Top 76%)7823(Top 68%)7823(Top 431%)
15K9.32 mi3.11 mi19765-667599-127599-1219957(Top 75%)7660(Top 67%)7660(Top 422%)
20K12.43 mi3.11 mi19921-1567679-807679-8020421(Top 77%)7914(Top 69%)7914(Top 436%)
Half13.11 mi0.68 mi19942-217690-117690-1120312(Top 76%)7847(Top 69%)7847(Top 432%)
25K15.53 mi2.42 mi19939+37680+107680+1019868(Top 75%)7620(Top 67%)7620(Top 419%)
30K18.64 mi3.11 mi19748+1917582+987582+9819037(Top 72%)7217(Top 63%)7217(Top 397%)
20M20.00 mi1.36 mi19634+1147520+627520+6218409(Top 69%)6977(Top 61%)6977(Top 384%)
21M21.00 mi1.00 mi19504+1307460+607460+6017676(Top 66%)6575(Top 58%)6575(Top 362%)
35K21.75 mi0.75 mi19461+437441+197441+1918495(Top 69%)7103(Top 62%)7103(Top 391%)
23M23.00 mi1.25 mi19310+1517360+817360+8116801(Top 63%)6193(Top 54%)6193(Top 341%)
24M24.00 mi1.00 mi19234+767325+357325+3517410(Top 65%)6589(Top 58%)6589(Top 363%)
40K24.85 mi0.85 mi19144+907281+447281+4416865(Top 63%)6330(Top 55%)6330(Top 348%)
25.2M25.20 mi0.35 mi19099+457260+217260+2116276(Top 61%)6043(Top 53%)6043(Top 333%)
Finish26.22 mi1.02 mi19016+837221+397221+3916364(Top 61%)6033(Top 53%)6033(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19957

Females

7660

F45-49

7660

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20206

Females

7823

F45-49

7823

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19957

Females

7660

F45-49

7660

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20421

Females

7914

F45-49

7914

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20312

Females

7847

F45-49

7847

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19868

Females

7620

F45-49

7620

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19037

Females

7217

F45-49

7217

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18409

Females

6977

F45-49

6977

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17676

Females

6575

F45-49

6575

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18495

Females

7103

F45-49

7103

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16801

Females

6193

F45-49

6193

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17410

Females

6589

F45-49

6589

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16865

Females

6330

F45-49

6330

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16276

Females

6043

F45-49

6043

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16364

Females

6033

F45-49

6033

Passing Analysis

Category:
Athletes Passed
1709
Passed By
1538
Net Change
+171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19187
5K → 10K142654-512#19187#19699
10K → 15K147213-66#19699#19765
15K → 20K124280-156#19765#19921
20K → Half2647-21#19921#19942
Half → 25K129126+3#19942#19939
25K → 30K26877+191#19939#19748
30K → 20M14026+114#19748#19634
20M → 21M14515+130#19634#19504
21M → 35K6825+43#19504#19461
35K → 23M16413+151#19461#19310
23M → 24M10327+76#19310#19234
24M → 40K10414+90#19234#19144
40K → 25.2M516+45#19144#19099
25.2M → Finish9815+83#19099#19016
TOTALS17091538+171
📊

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