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BOSTON MARATHON 2023

Christine Dunn

Bib: 21854•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F50-54)
#0 / 1207
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:47
Rank: #16152
Start → 5K
8:18/mi
25:47 split
10K· 6.21 mi
50:33
Rank: #15356 (+796)
5K → 10K
7:58/mi
24:46 split
15K· 9.32 mi
1:15:25
Rank: #15064 (+292)
10K → 15K
8:00/mi
24:52 split
20K· 12.43 mi
1:40:42
Rank: #14886 (+178)
15K → 20K
8:08/mi
25:17 split
Half· 13.11 mi
1:46:04
Rank: #14815 (+71)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:06:01
Rank: #14733 (+82)
Half → 25K
8:14/mi
19:57 split
30K· 18.64 mi
2:32:50
Rank: #14807 (-74)
25K → 30K
8:38/mi
26:49 split
20M
2:44:54
Rank: #14874 (-67)
30K → 20M
8:53/mi
12:04 split
21M
2:54:39
Rank: #15002 (-128)
20M → 21M
9:45/mi
9:45 split
35K· 21.75 mi
3:00:47
Rank: #14940 (+62)
21M → 35K
8:12/mi
6:08 split
23M
3:11:51
Rank: #14941 (-1)
35K → 23M
8:50/mi
11:04 split
24M
3:20:22
Rank: #14891 (+50)
23M → 24M
8:31/mi
8:31 split
40K· 24.85 mi
3:27:40
Rank: #14817 (+74)
24M → 40K
8:32/mi
7:18 split
25.2M
3:30:50
Rank: #14781 (+36)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:39:21
Rank: #14771 (+10)
25.2M → Finish
8:21/mi
8:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2325:478:1825:47
8:18
-
10K
6.21 mi11:45:0950:338:0824:46
7:58
-0:20
15K
9.32 mi12:10:011:15:258:0524:52
8:00
+0:02
20K
12.43 mi12:35:181:40:428:0625:17
8:08
+0:08
Half
13.11 mi12:40:401:46:048:055:22
7:52
-0:16
25K
15.53 mi13:00:372:06:018:0719:57
8:14
+0:22
30K
18.64 mi13:27:262:32:508:1226:49
8:38
+0:24
20M
20.00 mi13:39:302:44:548:1512:04
8:53
+0:15
21M
21.00 mi13:49:152:54:398:199:45
9:45
+0:52
35K
21.75 mi13:55:233:00:478:196:08
8:12
-1:33
23M
23.00 mi14:06:273:11:518:2011:04
8:50
+0:38
24M
24.00 mi14:14:583:20:228:218:31
8:31
-0:19
40K
24.85 mi14:22:163:27:408:217:18
8:32
+0:01
25.2M
25.20 mi14:25:263:30:508:223:10
9:11
+0:39
Finish
26.22 mi14:33:573:39:218:228:31
8:21
-0:50

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

7:52 /mi

Average Pace

8:22 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:00

25% of race

Time at Steady Pace

1:41:29

46% of race

Time at Slower Pace

1:02:52

29% of race

Average Pace: 8:22 /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 mi11:20:2325:478:1825:47
8:18
#16152
10K
6.21 mi11:45:0950:338:0824:46
7:58
#15356
15K
9.32 mi12:10:011:15:258:0524:52
8:00
#15064
20K
12.43 mi12:35:181:40:428:0625:17
8:08
#14886
Half
13.11 mi12:40:401:46:048:055:22
7:52
#14815
25K
15.53 mi13:00:372:06:018:0719:57
8:14
#14733
30K
18.64 mi13:27:262:32:508:1226:49
8:38
#14807
20M
20.00 mi13:39:302:44:548:1512:04
8:53
#14874
21M
21.00 mi13:49:152:54:398:199:45
9:45
#15002
35K
21.75 mi13:55:233:00:478:196:08
8:12
#14940
23M
23.00 mi14:06:273:11:518:2011:04
8:50
#14941
24M
24.00 mi14:14:583:20:228:218:31
8:31
#14891
40K
24.85 mi14:22:163:27:408:217:18
8:32
#14817
25.2M
25.20 mi14:25:263:30:508:223:10
9:11
#14781
Finish
26.22 mi14:33:573:39:218:228:31
8:21
#14771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi161525376537614435(Top 54%)4343(Top 38%)4343(Top 360%)
10K6.21 mi3.10 mi15356+7964876+5004876+50014607(Top 55%)4423(Top 39%)4423(Top 366%)
15K9.32 mi3.11 mi15064+2924702+1744702+17414435(Top 54%)4343(Top 38%)4343(Top 360%)
20K12.43 mi3.11 mi14886+1784609+934609+9314521(Top 55%)4420(Top 39%)4420(Top 366%)
Half13.11 mi0.68 mi14815+714566+434566+4313411(Top 50%)3760(Top 33%)3760(Top 312%)
25K15.53 mi2.42 mi14733+824545+214545+2114464(Top 54%)4491(Top 39%)4491(Top 372%)
30K18.64 mi3.11 mi14807-744624-794624-7915113(Top 57%)5004(Top 44%)5004(Top 415%)
20M20.00 mi1.36 mi14874-674689-654689-6515898(Top 60%)5505(Top 48%)5505(Top 456%)
21M21.00 mi1.00 mi15002-1284796-1074796-10717055(Top 64%)6218(Top 54%)6218(Top 515%)
35K21.75 mi0.75 mi14940+624775+214775+2113482(Top 51%)4281(Top 37%)4281(Top 355%)
23M23.00 mi1.25 mi14941-14799-244799-2415207(Top 57%)5288(Top 46%)5288(Top 438%)
24M24.00 mi1.00 mi14891+504789+104789+1014587(Top 55%)5009(Top 44%)5009(Top 415%)
40K24.85 mi0.85 mi14817+744772+174772+1713614(Top 51%)4535(Top 40%)4535(Top 376%)
25.2M25.20 mi0.35 mi14781+364761+114761+1113615(Top 51%)4552(Top 40%)4552(Top 377%)
Finish26.22 mi1.02 mi14771+104772-114772-1114479(Top 54%)4987(Top 44%)4987(Top 413%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14435

Females

4343

F50-54

4343

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14607

Females

4423

F50-54

4423

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14435

Females

4343

F50-54

4343

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14521

Females

4420

F50-54

4420

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13411

Females

3760

F50-54

3760

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14464

Females

4491

F50-54

4491

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15113

Females

5004

F50-54

5004

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15898

Females

5505

F50-54

5505

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17055

Females

6218

F50-54

6218

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13482

Females

4281

F50-54

4281

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15207

Females

5288

F50-54

5288

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14587

Females

5009

F50-54

5009

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13614

Females

4535

F50-54

4535

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13615

Females

4552

F50-54

4552

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14479

Females

4987

F50-54

4987

Passing Analysis

Category:
Athletes Passed
2468
Passed By
1087
Net Change
+1381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16152
5K → 10K87276+796#16152#15356
10K → 15K36270+292#15356#15064
15K → 20K27092+178#15064#14886
20K → Half809+71#14886#14815
Half → 25K17189+82#14815#14733
25K → 30K144218-74#14733#14807
30K → 20M63130-67#14807#14874
20M → 21M48176-128#14874#15002
21M → 35K8018+62#15002#14940
35K → 23M8081-1#14940#14941
23M → 24M8737+50#14941#14891
24M → 40K9925+74#14891#14817
40K → 25.2M459+36#14817#14781
25.2M → Finish6757+10#14781#14771
TOTALS24681087+1381
📊

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