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BOSTON MARATHON 2023

Denise Knight

Bib: 18712•F

SC

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
8:32/mi
26:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
52:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:17:54
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:44:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:49:49
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:12:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:39/mi
2:42:35
↑ 181↓ 1480.2%
20M
11:15/mi
2:57:52
↑ 64↓ 500.2%
21M
12:32/mi
3:10:24
↑ 106↓ 241.6%
35K· 21.75 mi
10:27/mi
3:18:13
↑ 17↓ 861.7%
23M
10:41/mi
3:31:35
↑ 23↓ 630.6%
24M
10:09/mi
3:41:44
↓ 821.3%
40K· 24.85 mi
10:26/mi
3:50:39
↓ 200.3%
25.2M
11:19/mi
3:54:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:29/mi
4:04:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:49
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:14:24
Pace10:15 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1426:318:3226:31
8:32
-
10K
6.21 mi11:44:5052:078:2325:36
8:14
-0:18
15K
9.32 mi12:10:371:17:548:2125:47
8:18
+0:04
20K
12.43 mi12:36:451:44:028:2226:08
8:25
+0:07
Half
13.11 mi12:42:321:49:498:235:47
8:29
+0:04
25K
15.53 mi13:05:182:12:358:3222:46
9:23
+0:54
30K
18.64 mi13:35:182:42:358:4330:00
9:39
+0:16
20M
20.00 mi13:50:352:57:528:5415:17
11:15
+1:36
21M
21.00 mi14:03:073:10:249:0412:32
12:32
+1:17
35K
21.75 mi14:10:563:18:139:077:49
10:27
-2:05
23M
23.00 mi14:24:183:31:359:1213:22
10:41
+0:14
24M
24.00 mi14:34:273:41:449:1410:09
10:09
-0:32
40K
24.85 mi14:43:223:50:399:178:55
10:26
+0:17
25.2M
25.20 mi14:47:163:54:339:183:54
11:19
+0:53
Finish
26.22 mi14:56:564:04:139:199:40
9:29
-1:50

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

9:19 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:49

45% of race

Time at Steady Pace

1:12:35

30% of race

Time at Slower Pace

1:01:49

25% of race

Average Pace: 9:19 /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 mi11:19:1426:318:3226:31
8:32
#17816
10K
6.21 mi11:44:5052:078:2325:36
8:14
#17140
15K
9.32 mi12:10:371:17:548:2125:47
8:18
#16911
20K
12.43 mi12:36:451:44:028:2226:08
8:25
#16756
Half
13.11 mi12:42:321:49:498:235:47
8:29
#16808
25K
15.53 mi13:05:182:12:358:3222:46
9:23
#17547
30K
18.64 mi13:35:182:42:358:4330:00
9:39
#18119
20M
20.00 mi13:50:352:57:528:5415:17
11:15
#18841
21M
21.00 mi14:03:073:10:249:0412:32
12:32
#19357
35K
21.75 mi14:10:563:18:139:077:49
10:27
#19540
23M
23.00 mi14:24:183:31:359:1213:22
10:41
#19735
24M
24.00 mi14:34:273:41:449:1410:09
10:09
#19829
40K
24.85 mi14:43:223:50:399:178:55
10:26
#19907
25.2M
25.20 mi14:47:163:54:339:183:54
11:19
#19936
Finish
26.22 mi14:56:564:04:139:199:40
9:29
#19934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi178166438643816550(Top 62%)5629(Top 49%)5629(Top 310%)
10K6.21 mi3.10 mi17140+6766016+4226016+42216544(Top 62%)5609(Top 49%)5609(Top 309%)
15K9.32 mi3.11 mi16911+2295861+1555861+15516550(Top 62%)5629(Top 49%)5629(Top 310%)
20K12.43 mi3.11 mi16756+1555777+845777+8416330(Top 61%)5551(Top 49%)5551(Top 306%)
Half13.11 mi0.68 mi16808-525804-275804-2717651(Top 66%)6288(Top 55%)6288(Top 346%)
25K15.53 mi2.42 mi17547-7396263-4596263-45920487(Top 77%)7979(Top 70%)7979(Top 439%)
30K18.64 mi3.11 mi18119-5726641-3786641-37819990(Top 75%)7762(Top 68%)7762(Top 427%)
20M20.00 mi1.36 mi18841-7227065-4247065-42423091(Top 87%)9558(Top 84%)9558(Top 526%)
21M21.00 mi1.00 mi19357-5167377-3127377-31223491(Top 88%)9804(Top 86%)9804(Top 540%)
35K21.75 mi0.75 mi19540-1837485-1087485-10822285(Top 84%)9203(Top 81%)9203(Top 506%)
23M23.00 mi1.25 mi19735-1957610-1257610-12521707(Top 82%)8909(Top 78%)8909(Top 490%)
24M24.00 mi1.00 mi19829-947668-587668-5821200(Top 80%)8667(Top 76%)8667(Top 477%)
40K24.85 mi0.85 mi19907-787728-607728-6021044(Top 79%)8633(Top 76%)8633(Top 475%)
25.2M25.20 mi0.35 mi19936-297750-227750-2221150(Top 79%)8672(Top 76%)8672(Top 477%)
Finish26.22 mi1.02 mi19934+27752-27752-220081(Top 75%)8049(Top 70%)8049(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16550

Females

5629

F45-49

5629

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16544

Females

5609

F45-49

5609

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16550

Females

5629

F45-49

5629

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16330

Females

5551

F45-49

5551

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17651

Females

6288

F45-49

6288

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20487

Females

7979

F45-49

7979

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19990

Females

7762

F45-49

7762

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23091

Females

9558

F45-49

9558

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23491

Females

9804

F45-49

9804

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22285

Females

9203

F45-49

9203

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21707

Females

8909

F45-49

8909

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21200

Females

8667

F45-49

8667

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21044

Females

8633

F45-49

8633

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21150

Females

8672

F45-49

8672

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

20081

Females

8049

F45-49

8049

Passing Analysis

Category:
Athletes Passed
1649
Passed By
3767
Net Change
-2118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17816
5K → 10K790114+676#17816#17140
10K → 15K339110+229#17140#16911
15K → 20K25196+155#16911#16756
20K → Half961-52#16756#16808
Half → 25K30769-739#16808#17547
25K → 30K63635-572#17547#18119
30K → 20M8730-722#18119#18841
20M → 21M9525-516#18841#19357
21M → 35K10193-183#19357#19540
35K → 23M32227-195#19540#19735
23M → 24M24118-94#19735#19829
24M → 40K29107-78#19829#19907
40K → 25.2M1241-29#19907#19936
25.2M → Finish4341+2#19936#19934
TOTALS16493767-2118
📊

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