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BOSTON MARATHON 2023

Katrin Heinze

Bib: 31669•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
10:25/mi
32:23
↑ 97↓ 3451.5%
10K· 6.21 mi
11:08/mi
1:06:57
↑ 79↓ 1380.4%
15K· 9.32 mi
11:31/mi
1:42:43
↑ 67↓ 78
20K· 12.43 mi
12:04/mi
2:20:13
↑ 106↓ 860.1%
Half· 13.11 mi
12:11/mi
2:28:32
↑ 19↓ 370.5%
25K· 15.53 mi
12:59/mi
3:00:01
↑ 66↓ 880.2%
30K· 18.64 mi
13:22/mi
3:41:32
↑ 181↓ 1480.2%
20M
12:50/mi
3:58:59
↑ 64↓ 500.2%
21M
14:34/mi
4:13:33
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
4:22:33
↑ 17↓ 861.7%
23M
12:01/mi
4:37:36
↑ 23↓ 630.6%
24M
11:42/mi
4:49:18
↓ 821.3%
40K· 24.85 mi
11:53/mi
4:59:28
↓ 200.3%
25.2M
13:26/mi
5:04:06
↑ 13↓ 160.2%
Finish· 26.22 mi
11:35/mi
5:15:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:32
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:47:22
Pace12:46 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4732:2310:2532:23
10:25
-
10K
6.21 mi12:28:211:06:5710:4634:34
11:08
+0:43
15K
9.32 mi13:04:071:42:4311:0135:46
11:31
+0:23
20K
12.43 mi13:41:372:20:1311:1737:30
12:04
+0:33
Half
13.11 mi13:49:562:28:3211:208:19
12:11
+0:07
25K
15.53 mi14:21:253:00:0111:3531:29
12:59
+0:48
30K
18.64 mi15:02:563:41:3211:5341:31
13:22
+0:23
20M
20.00 mi15:20:233:58:5911:5717:27
12:50
-0:32
21M
21.00 mi15:34:574:13:3312:0414:34
14:34
+1:44
35K
21.75 mi15:43:574:22:3312:049:00
12:02
-2:32
23M
23.00 mi15:59:004:37:3612:0415:03
12:01
-0:01
24M
24.00 mi16:10:424:49:1812:0311:42
11:42
-0:19
40K
24.85 mi16:20:524:59:2812:0310:10
11:53
+0:11
25.2M
25.20 mi16:25:305:04:0612:044:38
13:26
+1:33
Finish
26.22 mi16:37:185:15:5412:0311:48
11:35
-1:51

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

10:25 /mi

Average Pace

12:03 /mi

Slowest Pace

14:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:43

33% of race

Time at Steady Pace

1:43:32

33% of race

Time at Slower Pace

1:49:39

35% of race

Average Pace: 12:03 /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 mi11:53:4732:2310:2532:23
10:25
#24529
10K
6.21 mi12:28:211:06:5710:4634:34
11:08
#25218
15K
9.32 mi13:04:071:42:4311:0135:46
11:31
#25468
20K
12.43 mi13:41:372:20:1311:1737:30
12:04
#25567
Half
13.11 mi13:49:562:28:3211:208:19
12:11
#25602
25K
15.53 mi14:21:253:00:0111:3531:29
12:59
#25687
30K
18.64 mi15:02:563:41:3211:5341:31
13:22
#25698
20M
20.00 mi15:20:233:58:5911:5717:27
12:50
#25664
21M
21.00 mi15:34:574:13:3312:0414:34
14:34
#25657
35K
21.75 mi15:43:574:22:3312:049:00
12:02
#25628
23M
23.00 mi15:59:004:37:3612:0415:03
12:01
#25568
24M
24.00 mi16:10:424:49:1812:0311:42
11:42
#25527
40K
24.85 mi16:20:524:59:2812:0310:10
11:53
#25478
25.2M
25.20 mi16:25:305:04:0612:044:38
13:26
#25475
Finish
26.22 mi16:37:185:15:5412:0311:48
11:35
#25459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi24529101741017425722(Top 97%)10877(Top 95%)10877(Top 1335%)
10K6.21 mi3.10 mi25218-68910550-37610550-37625603(Top 96%)10796(Top 95%)10796(Top 1325%)
15K9.32 mi3.11 mi25468-25010718-16810718-16825722(Top 97%)10877(Top 95%)10877(Top 1335%)
20K12.43 mi3.11 mi25567-9910787-6910787-6925705(Top 97%)10890(Top 95%)10890(Top 1336%)
Half13.11 mi0.68 mi25602-3510810-2310810-2325991(Top 98%)11053(Top 97%)11053(Top 1356%)
25K15.53 mi2.42 mi25687-8510868-5810868-5825857(Top 97%)10999(Top 96%)10999(Top 1350%)
30K18.64 mi3.11 mi25698-1110886-1810886-1825679(Top 96%)10936(Top 96%)10936(Top 1342%)
20M20.00 mi1.36 mi25664+3410866+2010866+2025048(Top 94%)10629(Top 93%)10629(Top 1304%)
21M21.00 mi1.00 mi25657+710865+110865+125466(Top 96%)10844(Top 95%)10844(Top 1331%)
35K21.75 mi0.75 mi25628+2910854+1110854+1124720(Top 93%)10517(Top 92%)10517(Top 1290%)
23M23.00 mi1.25 mi25568+6010828+2610828+2624056(Top 90%)10164(Top 89%)10164(Top 1247%)
24M24.00 mi1.00 mi25527+4110809+1910809+1924142(Top 91%)10243(Top 90%)10243(Top 1257%)
40K24.85 mi0.85 mi25478+4910791+1810791+1823767(Top 89%)10070(Top 88%)10070(Top 1236%)
25.2M25.20 mi0.35 mi25475+310788+310788+324478(Top 92%)10427(Top 91%)10427(Top 1279%)
Finish26.22 mi1.02 mi25459+1610786+210786+224797(Top 93%)10560(Top 92%)10560(Top 1296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25722

Females

10877

F55-59

10877

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25603

Females

10796

F55-59

10796

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25722

Females

10877

F55-59

10877

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25705

Females

10890

F55-59

10890

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25991

Females

11053

F55-59

11053

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25857

Females

10999

F55-59

10999

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25679

Females

10936

F55-59

10936

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25048

Females

10629

F55-59

10629

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25466

Females

10844

F55-59

10844

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24720

Females

10517

F55-59

10517

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

24056

Females

10164

F55-59

10164

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24142

Females

10243

F55-59

10243

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23767

Females

10070

F55-59

10070

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24478

Females

10427

F55-59

10427

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24797

Females

10560

F55-59

10560

Passing Analysis

Category:
Athletes Passed
475
Passed By
1405
Net Change
-930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24529
5K → 10K33722-689#24529#25218
10K → 15K27277-250#25218#25468
15K → 20K51150-99#25468#25567
20K → Half540-35#25567#25602
Half → 25K26111-85#25602#25687
25K → 30K5364-11#25687#25698
30K → 20M4410+34#25698#25664
20M → 21M1912+7#25664#25657
21M → 35K323+29#25657#25628
35K → 23M633+60#25628#25568
23M → 24M443+41#25568#25527
24M → 40K501+49#25527#25478
40K → 25.2M74+3#25478#25475
25.2M → Finish215+16#25475#25459
TOTALS4751405-930
📊

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