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BOSTON MARATHON 2023

Heather Schulz

Bib: 5407•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F45-49)
#0 / 1817
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #3839
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:45
Rank: #4193 (-354)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:00
Rank: #4606 (-413)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:40
Rank: #4961 (-355)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:29:26
Rank: #5084 (-123)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:46:51
Rank: #5437 (-353)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:10:30
Rank: #5821 (-384)
25K → 30K
23:39 | 7:37/mi
20M
2:21:24
Rank: #6064 (-243)
30K → 20M
10:54 | 8:01/mi
21M
2:30:23
Rank: #6343 (-279)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:36:13
Rank: #6448 (-105)
21M → 35K
5:50 | 7:48/mi
23M
2:46:57
Rank: #6744 (-296)
35K → 23M
10:44 | 8:34/mi
24M
2:55:12
Rank: #6945 (-201)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:02:35
Rank: #7167 (-222)
24M → 40K
7:23 | 8:38/mi
25.2M
3:05:50
Rank: #7281 (-114)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:14:38
Rank: #7629 (-348)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:26
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:45:12
Pace8:01 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3820:526:4320:52
6:43
-
10K
6.21 mi10:43:3141:456:4320:53
6:43
0:00
15K
9.32 mi11:04:461:03:006:4621:15
6:50
+0:07
20K
12.43 mi11:26:261:24:406:4921:40
6:58
+0:08
Half
13.11 mi11:31:121:29:266:494:46
6:59
+0:01
25K
15.53 mi11:48:371:46:516:5317:25
7:11
+0:12
30K
18.64 mi12:12:162:10:307:0023:39
7:37
+0:26
20M
20.00 mi12:23:102:21:247:0410:54
8:01
+0:24
21M
21.00 mi12:32:092:30:237:108:59
8:59
+0:58
35K
21.75 mi12:37:592:36:137:115:50
7:48
-1:11
23M
23.00 mi12:48:432:46:577:1610:44
8:34
+0:46
24M
24.00 mi12:56:582:55:127:188:15
8:15
-0:19
40K
24.85 mi13:04:213:02:357:217:23
8:38
+0:23
25.2M
25.20 mi13:07:363:05:507:223:15
9:25
+0:47
Finish
26.22 mi13:16:243:14:387:268:48
8:38
-0:47

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

6:43 /mi

Average Pace

7:26 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:51

55% of race

Time at Steady Pace

40:23

21% of race

Time at Slower Pace

47:24

24% of race

Average Pace: 7:25 /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 mi10:22:3820:526:4320:52
6:43
#3839
10K
6.21 mi10:43:3141:456:4320:53
6:43
#4193
15K
9.32 mi11:04:461:03:006:4621:15
6:50
#4606
20K
12.43 mi11:26:261:24:406:4921:40
6:58
#4961
Half
13.11 mi11:31:121:29:266:494:46
6:59
#5084
25K
15.53 mi11:48:371:46:516:5317:25
7:11
#5437
30K
18.64 mi12:12:162:10:307:0023:39
7:37
#5821
20M
20.00 mi12:23:102:21:247:0410:54
8:01
#6064
21M
21.00 mi12:32:092:30:237:108:59
8:59
#6343
35K
21.75 mi12:37:592:36:137:115:50
7:48
#6448
23M
23.00 mi12:48:432:46:577:1610:44
8:34
#6744
24M
24.00 mi12:56:582:55:127:188:15
8:15
#6945
40K
24.85 mi13:04:213:02:357:217:23
8:38
#7167
25.2M
25.20 mi13:07:363:05:507:223:15
9:25
#7281
Finish
26.22 mi13:16:243:14:387:268:48
8:38
#7629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi38392292295494(Top 21%)431(Top 4%)431(Top 24%)
10K6.21 mi3.10 mi4193-354259-30259-304586(Top 17%)305(Top 3%)305(Top 17%)
15K9.32 mi3.11 mi4606-413302-43302-435494(Top 21%)431(Top 4%)431(Top 24%)
20K12.43 mi3.11 mi4961-355338-36338-365851(Top 22%)496(Top 4%)496(Top 27%)
Half13.11 mi0.68 mi5084-123362-24362-246525(Top 25%)648(Top 6%)648(Top 36%)
25K15.53 mi2.42 mi5437-353411-49411-496609(Top 25%)738(Top 6%)738(Top 41%)
30K18.64 mi3.11 mi5821-384488-77488-778023(Top 30%)1317(Top 12%)1317(Top 72%)
20M20.00 mi1.36 mi6064-243556-68556-6810421(Top 39%)2429(Top 21%)2429(Top 134%)
21M21.00 mi1.00 mi6343-279632-76632-7613315(Top 50%)4102(Top 36%)4102(Top 226%)
35K21.75 mi0.75 mi6448-105673-41673-4110639(Top 40%)2673(Top 23%)2673(Top 147%)
23M23.00 mi1.25 mi6744-296765-92765-9213665(Top 51%)4423(Top 39%)4423(Top 243%)
24M24.00 mi1.00 mi6945-201843-78843-7812941(Top 49%)4093(Top 36%)4093(Top 225%)
40K24.85 mi0.85 mi7167-222927-84927-8414163(Top 53%)4825(Top 42%)4825(Top 266%)
25.2M25.20 mi0.35 mi7281-114978-51978-5114822(Top 56%)5180(Top 45%)5180(Top 285%)
Finish26.22 mi1.02 mi7629-3481122-1441122-14416159(Top 61%)5901(Top 52%)5901(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5494

Females

431

F45-49

431

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4586

Females

305

F45-49

305

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5494

Females

431

F45-49

431

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5851

Females

496

F45-49

496

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6525

Females

648

F45-49

648

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6609

Females

738

F45-49

738

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8023

Females

1317

F45-49

1317

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10421

Females

2429

F45-49

2429

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13315

Females

4102

F45-49

4102

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10639

Females

2673

F45-49

2673

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13665

Females

4423

F45-49

4423

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12941

Females

4093

F45-49

4093

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14163

Females

4825

F45-49

4825

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14822

Females

5180

F45-49

5180

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16159

Females

5901

F45-49

5901

Passing Analysis

Category:
Athletes Passed
339
Passed By
4129
Net Change
-3790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3839
5K → 10K85439-354#3839#4193
10K → 15K43456-413#4193#4606
15K → 20K24379-355#4606#4961
20K → Half1124-123#4961#5084
Half → 25K36389-353#5084#5437
25K → 30K41425-384#5437#5821
30K → 20M21264-243#5821#6064
20M → 21M10289-279#6064#6343
21M → 35K14119-105#6343#6448
35K → 23M17313-296#6448#6744
23M → 24M14215-201#6744#6945
24M → 40K13235-222#6945#7167
40K → 25.2M8122-114#7167#7281
25.2M → Finish12360-348#7281#7629
TOTALS3394129-3790
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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