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BOSTON MARATHON 2023

Christina Dorrer

Bib: 27584•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:52/mi
27:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
53:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:20:16
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:48:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:55:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:18:04
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
2:50:20
↑ 181↓ 1480.2%
20M
12:20/mi
3:07:06
↑ 64↓ 500.2%
21M
12:06/mi
3:19:12
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
3:27:10
↑ 17↓ 861.7%
23M
10:50/mi
3:40:44
↑ 23↓ 630.6%
24M
11:05/mi
3:51:49
↓ 821.3%
40K· 24.85 mi
11:44/mi
4:01:51
↓ 200.3%
25.2M
12:43/mi
4:06:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
4:16:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:03
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:21:56
Pace10:50 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0327:338:5227:33
8:52
-
10K
6.21 mi12:10:4653:168:3425:43
8:17
-0:35
15K
9.32 mi12:37:461:20:168:3727:00
8:41
+0:24
20K
12.43 mi13:06:261:48:568:4628:40
9:14
+0:33
Half
13.11 mi13:12:331:55:038:476:07
8:58
-0:16
25K
15.53 mi13:35:342:18:048:5323:01
9:30
+0:32
30K
18.64 mi14:07:502:50:209:0832:16
10:23
+0:53
20M
20.00 mi14:24:363:07:069:2116:46
12:20
+1:57
21M
21.00 mi14:36:423:19:129:2912:06
12:06
-0:14
35K
21.75 mi14:44:403:27:109:327:58
10:39
-1:27
23M
23.00 mi14:58:143:40:449:3613:34
10:50
+0:11
24M
24.00 mi15:09:193:51:499:4011:05
11:05
+0:15
40K
24.85 mi15:19:214:01:519:4410:02
11:44
+0:39
25.2M
25.20 mi15:23:444:06:149:464:23
12:43
+0:59
Finish
26.22 mi15:34:294:16:599:4910:45
10:33
-2:10

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

8:17 /mi

Average Pace

9:49 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:04

54% of race

Time at Steady Pace

1:15:38

29% of race

Time at Slower Pace

43:17

17% of race

Average Pace: 9:48 /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 mi11:45:0327:338:5227:33
8:52
#19846
10K
6.21 mi12:10:4653:168:3425:43
8:17
#18357
15K
9.32 mi12:37:461:20:168:3727:00
8:41
#18552
20K
12.43 mi13:06:261:48:568:4628:40
9:14
#19150
Half
13.11 mi13:12:331:55:038:476:07
8:58
#19211
25K
15.53 mi13:35:342:18:048:5323:01
9:30
#19566
30K
18.64 mi14:07:502:50:209:0832:16
10:23
#20224
20M
20.00 mi14:24:363:07:069:2116:46
12:20
#20811
21M
21.00 mi14:36:423:19:129:2912:06
12:06
#20968
35K
21.75 mi14:44:403:27:109:327:58
10:39
#21061
23M
23.00 mi14:58:143:40:449:3613:34
10:50
#21116
24M
24.00 mi15:09:193:51:499:4011:05
11:05
#21242
40K
24.85 mi15:19:214:01:519:4410:02
11:44
#21386
25.2M
25.20 mi15:23:444:06:149:464:23
12:43
#21444
Finish
26.22 mi15:34:294:16:599:4910:45
10:33
#21518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi198467719771918939(Top 71%)7069(Top 62%)7069(Top 586%)
10K6.21 mi3.10 mi18357+14896734+9856734+98516786(Top 63%)5743(Top 50%)5743(Top 476%)
15K9.32 mi3.11 mi18552-1956849-1156849-11518939(Top 71%)7069(Top 62%)7069(Top 586%)
20K12.43 mi3.11 mi19150-5987208-3597208-35920697(Top 78%)8060(Top 71%)8060(Top 668%)
Half13.11 mi0.68 mi19211-617243-357243-3520352(Top 76%)7887(Top 69%)7887(Top 653%)
25K15.53 mi2.42 mi19566-3557462-2197462-21920820(Top 78%)8176(Top 72%)8176(Top 677%)
30K18.64 mi3.11 mi20224-6587858-3967858-39621965(Top 83%)8886(Top 78%)8886(Top 736%)
20M20.00 mi1.36 mi20811-5878185-3278185-32724581(Top 92%)10381(Top 91%)10381(Top 860%)
21M21.00 mi1.00 mi20968-1578291-1068291-10622907(Top 86%)9499(Top 83%)9499(Top 787%)
35K21.75 mi0.75 mi21061-938362-718362-7122677(Top 85%)9407(Top 82%)9407(Top 779%)
23M23.00 mi1.25 mi21116-558398-368398-3622037(Top 83%)9092(Top 80%)9092(Top 753%)
24M24.00 mi1.00 mi21242-1268475-778475-7723200(Top 87%)9739(Top 85%)9739(Top 807%)
40K24.85 mi0.85 mi21386-1448561-868561-8623551(Top 88%)9968(Top 87%)9968(Top 826%)
25.2M25.20 mi0.35 mi21444-588599-388599-3823605(Top 89%)9980(Top 87%)9980(Top 827%)
Finish26.22 mi1.02 mi21518-748644-458644-4523113(Top 87%)9698(Top 85%)9698(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18939

Females

7069

F50-54

7069

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16786

Females

5743

F50-54

5743

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18939

Females

7069

F50-54

7069

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20697

Females

8060

F50-54

8060

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20352

Females

7887

F50-54

7887

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20820

Females

8176

F50-54

8176

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21965

Females

8886

F50-54

8886

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24581

Females

10381

F50-54

10381

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22907

Females

9499

F50-54

9499

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22677

Females

9407

F50-54

9407

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22037

Females

9092

F50-54

9092

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23200

Females

9739

F50-54

9739

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23551

Females

9968

F50-54

9968

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23605

Females

9980

F50-54

9980

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23113

Females

9698

F50-54

9698

Passing Analysis

Category:
Athletes Passed
1910
Passed By
3582
Net Change
-1672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19846
5K → 10K152334+1489#19846#18357
10K → 15K111306-195#18357#18552
15K → 20K36634-598#18552#19150
20K → Half1071-61#19150#19211
Half → 25K43398-355#19211#19566
25K → 30K40698-658#19566#20224
30K → 20M10597-587#20224#20811
20M → 21M24181-157#20811#20968
21M → 35K18111-93#20968#21061
35K → 23M4095-55#21061#21116
23M → 24M18144-126#21116#21242
24M → 40K12156-144#21242#21386
40K → 25.2M664-58#21386#21444
25.2M → Finish1993-74#21444#21518
TOTALS19103582-1672
📊

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