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BOSTON MARATHON 2023

Margreta Doerfler

Bib: 29783•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
38:01
Rank: #26492
Start → 5K
38:01 | 12:14/mi
10K· 6.21 mi
1:14:05
Rank: #26356 (+136)
5K → 10K
36:04 | 11:37/mi
15K· 9.32 mi
1:49:50
Rank: #26168 (+188)
10K → 15K
35:45 | 11:30/mi
20K· 12.43 mi
2:24:36
Rank: #25907 (+261)
15K → 20K
34:46 | 11:11/mi
Half· 13.11 mi
2:32:10
Rank: #25875 (+32)
20K → Half
7:34 | 11:05/mi
25K· 15.53 mi
2:58:49
Rank: #25606 (+269)
Half → 25K
26:39 | 10:59/mi
30K· 18.64 mi
3:33:04
Rank: #25250 (+356)
25K → 30K
34:15 | 11:01/mi
20M
3:47:58
Rank: #25103 (+147)
30K → 20M
14:54 | 10:58/mi
21M
3:59:02
Rank: #24936 (+167)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
4:06:41
Rank: #24847 (+89)
21M → 35K
7:39 | 10:14/mi
23M
4:19:53
Rank: #24703 (+144)
35K → 23M
13:12 | 10:33/mi
24M
4:30:35
Rank: #24624 (+79)
23M → 24M
10:42 | 10:42/mi
40K· 24.85 mi
4:40:20
Rank: #24575 (+49)
24M → 40K
9:45 | 11:24/mi
25.2M
4:44:35
Rank: #24562 (+13)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:56:27
Rank: #24601 (-39)
25.2M → Finish
11:52 | 11:39/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:32:10
Pace11:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:24:17
Pace11:00 /mi
📊Negative Split: 5.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:1038:0112:1438:01
12:14
-
10K
6.21 mi12:37:141:14:0511:5536:04
11:37
-0:37
15K
9.32 mi13:12:591:49:5011:4735:45
11:30
-0:07
20K
12.43 mi13:47:452:24:3611:3834:46
11:11
-0:19
Half
13.11 mi13:55:192:32:1011:367:34
11:05
-0:06
25K
15.53 mi14:21:582:58:4911:3126:39
10:59
-0:06
30K
18.64 mi14:56:133:33:0411:2634:15
11:01
+0:02
20M
20.00 mi15:11:073:47:5811:2414:54
10:58
-0:03
21M
21.00 mi15:22:113:59:0211:2311:04
11:04
+0:06
35K
21.75 mi15:29:504:06:4111:217:39
10:14
-0:50
23M
23.00 mi15:43:024:19:5311:1813:12
10:33
+0:19
24M
24.00 mi15:53:444:30:3511:1610:42
10:42
+0:09
40K
24.85 mi16:03:294:40:2011:179:45
11:24
+0:42
25.2M
25.20 mi16:07:444:44:3511:184:15
12:19
+0:55
Finish
26.22 mi16:19:364:56:2711:1911:52
11:39
-0:40

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

10:14 /mi

Average Pace

11:19 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:33

11% of race

Time at Steady Pace

2:09:12

44% of race

Time at Slower Pace

2:15:42

46% of race

Average Pace: 11:18 /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 mi12:01:1038:0112:1438:01
12:14
#26492
10K
6.21 mi12:37:141:14:0511:5536:04
11:37
#26356
15K
9.32 mi13:12:591:49:5011:4735:45
11:30
#26168
20K
12.43 mi13:47:452:24:3611:3834:46
11:11
#25907
Half
13.11 mi13:55:192:32:1011:367:34
11:05
#25875
25K
15.53 mi14:21:582:58:4911:3126:39
10:59
#25606
30K
18.64 mi14:56:133:33:0411:2634:15
11:01
#25250
20M
20.00 mi15:11:073:47:5811:2414:54
10:58
#25103
21M
21.00 mi15:22:113:59:0211:2311:04
11:04
#24936
35K
21.75 mi15:29:504:06:4111:217:39
10:14
#24847
23M
23.00 mi15:43:024:19:5311:1813:12
10:33
#24703
24M
24.00 mi15:53:444:30:3511:1610:42
10:42
#24624
40K
24.85 mi16:03:294:40:2011:179:45
11:24
#24575
25.2M
25.20 mi16:07:444:44:3511:184:15
12:19
#24562
Finish
26.22 mi16:19:364:56:2711:1911:52
11:39
#24601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26492113531135325715(Top 97%)10872(Top 95%)10872(Top 223%)
10K6.21 mi3.10 mi26356+13611265+8811265+8826044(Top 98%)11067(Top 97%)11067(Top 227%)
15K9.32 mi3.11 mi26168+18811147+11811147+11825715(Top 97%)10872(Top 95%)10872(Top 223%)
20K12.43 mi3.11 mi25907+26110976+17110976+17124876(Top 93%)10409(Top 91%)10409(Top 213%)
Half13.11 mi0.68 mi25875+3210962+1410962+1425071(Top 94%)10529(Top 92%)10529(Top 216%)
25K15.53 mi2.42 mi25606+26910815+14710815+14723969(Top 90%)9941(Top 87%)9941(Top 204%)
30K18.64 mi3.11 mi25250+35610629+18610629+18623130(Top 87%)9535(Top 83%)9535(Top 195%)
20M20.00 mi1.36 mi25103+14710554+7510554+7522657(Top 85%)9339(Top 82%)9339(Top 191%)
21M21.00 mi1.00 mi24936+16710476+7810476+7820982(Top 79%)8455(Top 74%)8455(Top 173%)
35K21.75 mi0.75 mi24847+8910425+5110425+5121859(Top 82%)8975(Top 79%)8975(Top 184%)
23M23.00 mi1.25 mi24703+14410349+7610349+7621438(Top 81%)8760(Top 77%)8760(Top 179%)
24M24.00 mi1.00 mi24624+7910310+3910310+3922470(Top 84%)9353(Top 82%)9353(Top 192%)
40K24.85 mi0.85 mi24575+4910296+1410296+1423080(Top 87%)9707(Top 85%)9707(Top 199%)
25.2M25.20 mi0.35 mi24562+1310294+210294+223052(Top 87%)9698(Top 85%)9698(Top 199%)
Finish26.22 mi1.02 mi24601-3910317-2310317-2324877(Top 93%)10597(Top 93%)10597(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25715

Females

10872

F18-39

10872

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26044

Females

11067

F18-39

11067

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25715

Females

10872

F18-39

10872

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24876

Females

10409

F18-39

10409

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25071

Females

10529

F18-39

10529

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23969

Females

9941

F18-39

9941

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23130

Females

9535

F18-39

9535

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22657

Females

9339

F18-39

9339

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20982

Females

8455

F18-39

8455

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21859

Females

8975

F18-39

8975

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21438

Females

8760

F18-39

8760

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22470

Females

9353

F18-39

9353

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23080

Females

9707

F18-39

9707

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23052

Females

9698

F18-39

9698

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24877

Females

10597

F18-39

10597

Passing Analysis

Category:
Athletes Passed
1961
Passed By
70
Net Change
+1891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26492
5K → 10K1382+136#26492#26356
10K → 15K1891+188#26356#26168
15K → 20K2610+261#26168#25907
20K → Half342+32#25907#25875
Half → 25K2690+269#25875#25606
25K → 30K3571+356#25606#25250
30K → 20M1470+147#25250#25103
20M → 21M1670+167#25103#24936
21M → 35K901+89#24936#24847
35K → 23M1451+144#24847#24703
23M → 24M801+79#24703#24624
24M → 40K556+49#24624#24575
40K → 25.2M196+13#24575#24562
25.2M → Finish1049-39#24562#24601
TOTALS196170+1891
📊

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