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BOSTON MARATHON 2023

Dorthe Mikkelsen

Bib: 16864•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Masters (Masters Women)
#0 / 6539
Top 10%
Division (F45-49)
#0 / 1817
Top 10%
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
7:42/mi
23:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:11:41
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:00:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:24:58
↑ 181↓ 1480.2%
20M
7:58/mi
2:35:48
↑ 64↓ 500.2%
21M
8:24/mi
2:44:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:49:53
↑ 17↓ 861.7%
23M
7:48/mi
2:59:39
↑ 23↓ 630.6%
24M
7:40/mi
3:07:19
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:14:00
↓ 200.3%
25.2M
8:36/mi
3:16:58
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:25:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:48
Pace7:55 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1923:557:4223:55
7:42
-
10K
6.21 mi11:37:5647:327:3923:37
7:36
-0:06
15K
9.32 mi12:02:051:11:417:4124:09
7:46
+0:10
20K
12.43 mi12:26:281:36:047:4424:23
7:51
+0:05
Half
13.11 mi12:31:441:41:207:445:16
7:43
-0:08
25K
15.53 mi12:50:452:00:217:4519:01
7:51
+0:08
30K
18.64 mi13:15:222:24:587:4724:37
7:55
+0:04
20M
20.00 mi13:26:122:35:487:4710:50
7:58
+0:03
21M
21.00 mi13:34:362:44:127:498:24
8:24
+0:26
35K
21.75 mi13:40:172:49:537:495:41
7:36
-0:48
23M
23.00 mi13:50:032:59:397:499:46
7:48
+0:12
24M
24.00 mi13:57:433:07:197:487:40
7:40
-0:08
40K
24.85 mi14:04:243:14:007:486:41
7:49
+0:09
25.2M
25.20 mi14:07:223:16:587:492:58
8:36
+0:47
Finish
26.22 mi14:15:323:25:087:508:10
8:01
-0:35

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

7:36 /mi

Average Pace

7:50 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:46

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:14:1923:557:4223:55
7:42
#11439
10K
6.21 mi11:37:5647:327:3923:37
7:36
#11353
15K
9.32 mi12:02:051:11:417:4124:09
7:46
#11707
20K
12.43 mi12:26:281:36:047:4424:23
7:51
#11797
Half
13.11 mi12:31:441:41:207:445:16
7:43
#11800
25K
15.53 mi12:50:452:00:217:4519:01
7:51
#11696
30K
18.64 mi13:15:222:24:587:4724:37
7:55
#11416
20M
20.00 mi13:26:122:35:487:4710:50
7:58
#11273
21M
21.00 mi13:34:362:44:127:498:24
8:24
#11155
35K
21.75 mi13:40:172:49:537:495:41
7:36
#11087
23M
23.00 mi13:50:032:59:397:499:46
7:48
#10882
24M
24.00 mi13:57:433:07:197:487:40
7:40
#10772
40K
24.85 mi14:04:243:14:007:486:41
7:49
#10671
25.2M
25.20 mi14:07:223:16:587:492:58
8:36
#10657
Finish
26.22 mi14:15:323:25:087:508:10
8:01
#10696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi114392561256112497(Top 47%)3180(Top 28%)3180(Top 175%)
10K6.21 mi3.10 mi11353+862522+392522+3911356(Top 43%)2524(Top 22%)2524(Top 139%)
15K9.32 mi3.11 mi11707-3542730-2082730-20812497(Top 47%)3180(Top 28%)3180(Top 175%)
20K12.43 mi3.11 mi11797-902798-682798-6812155(Top 46%)3057(Top 27%)3057(Top 168%)
Half13.11 mi0.68 mi11800-32794+42794+412053(Top 45%)2931(Top 26%)2931(Top 161%)
25K15.53 mi2.42 mi11696+1042755+392755+3911459(Top 43%)2741(Top 24%)2741(Top 151%)
30K18.64 mi3.11 mi11416+2802642+1132642+11310328(Top 39%)2318(Top 20%)2318(Top 128%)
20M20.00 mi1.36 mi11273+1432584+582584+5810094(Top 38%)2276(Top 20%)2276(Top 125%)
21M21.00 mi1.00 mi11155+1182537+472537+479884(Top 37%)2330(Top 20%)2330(Top 128%)
35K21.75 mi0.75 mi11087+682512+252512+259311(Top 35%)2064(Top 18%)2064(Top 114%)
23M23.00 mi1.25 mi10882+2052441+712441+718455(Top 32%)1782(Top 16%)1782(Top 98%)
24M24.00 mi1.00 mi10772+1102405+362405+368893(Top 33%)2055(Top 18%)2055(Top 113%)
40K24.85 mi0.85 mi10671+1012387+182387+188823(Top 33%)2100(Top 18%)2100(Top 116%)
25.2M25.20 mi0.35 mi10657+142394-72394-710211(Top 38%)2791(Top 24%)2791(Top 154%)
Finish26.22 mi1.02 mi10696-392443-492443-4912236(Top 46%)3820(Top 33%)3820(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12497

Females

3180

F45-49

3180

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11356

Females

2524

F45-49

2524

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12497

Females

3180

F45-49

3180

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12155

Females

3057

F45-49

3057

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12053

Females

2931

F45-49

2931

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11459

Females

2741

F45-49

2741

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10328

Females

2318

F45-49

2318

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10094

Females

2276

F45-49

2276

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9884

Females

2330

F45-49

2330

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9311

Females

2064

F45-49

2064

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8455

Females

1782

F45-49

1782

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8893

Females

2055

F45-49

2055

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8823

Females

2100

F45-49

2100

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10211

Females

2791

F45-49

2791

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12236

Females

3820

F45-49

3820

Passing Analysis

Category:
Athletes Passed
2067
Passed By
1324
Net Change
+743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11439
5K → 10K345259+86#11439#11353
10K → 15K78432-354#11353#11707
15K → 20K128218-90#11707#11797
20K → Half2831-3#11797#11800
Half → 25K18884+104#11800#11696
25K → 30K33454+280#11696#11416
30K → 20M16825+143#11416#11273
20M → 21M14830+118#11273#11155
21M → 35K8214+68#11155#11087
35K → 23M22015+205#11087#10882
23M → 24M13222+110#10882#10772
24M → 40K12120+101#10772#10671
40K → 25.2M3622+14#10671#10657
25.2M → Finish5998-39#10657#10696
TOTALS20671324+743
📊

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