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BOSTON MARATHON 2023

Michelle Cross

PA

Bib: 15818 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:41/mi
27:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:03/mi
55:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:09/mi
1:23:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:20/mi
1:52:33
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:02/mi
1:58:43
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:25/mi
2:21:34
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:38/mi
2:51:31
↑ 181↓ 1480.2%
138 ft elev
20M
9:52/mi
3:04:56
↑ 64↓ 500.2%
148 ft elev
21M
10:48/mi
3:15:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:29/mi
3:22:50
↑ 17↓ 861.7%
156 ft elev
23M
10:21/mi
3:35:48
↑ 23↓ 630.6%
116 ft elev
24M
10:45/mi
3:46:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:24/mi
3:56:18
↓ 200.3%
20 ft elev
25.2M
10:38/mi
3:59:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:51/mi
4:10:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:58:439:03 /mi⚡ faster
2nd Half
2:11:1710:01 /mi+10.6%
Positive split — 10.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1427:008:4127:00
8:41
-
10K
6.21 mi11:25:2255:088:5228:08
9:03
+0:22
15K
9.32 mi11:53:471:23:338:5828:25
9:09
+0:06
20K
12.43 mi12:22:471:52:339:0329:00
9:20
+0:11
Half
13.11 mi12:28:571:58:439:036:10
9:02
-0:18
25K
15.53 mi12:51:482:21:349:0722:51
9:25
+0:23
30K
18.64 mi13:21:452:51:319:1229:57
9:38
+0:13
20M
20.00 mi13:35:103:04:569:1513:25
9:52
+0:14
21M
21.00 mi13:45:583:15:449:1910:48
10:48
+0:56
35K
21.75 mi13:53:043:22:509:207:06
9:29
-1:19
23M
23.00 mi14:06:023:35:489:2312:58
10:21
+0:52
24M
24.00 mi14:16:473:46:339:2610:45
10:45
+0:24
40K
24.85 mi14:26:323:56:189:309:45
11:24
+0:39
25.2M
25.20 mi14:30:123:59:589:313:40
10:38
-0:46
Finish
26.22 mi14:40:144:10:009:3310:02
9:51
-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

8:41 /mi

Average Pace

9:33 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:29:43

36% of race

Time at Steady Pace

1:52:21

45% of race

Time at Slower Pace

47:56

19% of race

Average Pace: 9:32 /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 mi10:57:1427:008:4127:00
8:41
#18828
10K
6.21 mi11:25:2255:088:5228:08
9:03
#20051
15K
9.32 mi11:53:471:23:338:5828:25
9:09
#20410
20K
12.43 mi12:22:471:52:339:0329:00
9:20
#20612
Half
13.11 mi12:28:571:58:439:036:10
9:02
#20602
25K
15.53 mi12:51:482:21:349:0722:51
9:25
#20616
30K
18.64 mi13:21:452:51:319:1229:57
9:38
#20461
20M
20.00 mi13:35:103:04:569:1513:25
9:52
#20427
21M
21.00 mi13:45:583:15:449:1910:48
10:48
#20418
35K
21.75 mi13:53:043:22:509:207:06
9:29
#20369
23M
23.00 mi14:06:023:35:489:2312:58
10:21
#20408
24M
24.00 mi14:16:473:46:339:2610:45
10:45
#20517
40K
24.85 mi14:26:323:56:189:309:45
11:24
#20659
25.2M
25.20 mi14:30:123:59:589:313:40
10:38
#20640
Finish
26.22 mi14:40:144:10:009:3310:02
9:51
#20658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi18828709670962113583068306
10K6.21 mi3.10 mi20051-12237794-6987794-6982110183278327
15K9.32 mi3.11 mi20410-3597966-1727966-1722113583068306
20K12.43 mi3.11 mi20612-2028059-938059-932105782678267
Half13.11 mi0.68 mi20602+108049+108049+102063080438043
25K15.53 mi2.42 mi20616-148050-18050-12059380438043
30K18.64 mi3.11 mi20461+1557989+617989+611994577367736
20M20.00 mi1.36 mi20427+347982+77982+72011079267926
21M21.00 mi1.00 mi20418+97984-27984-22038781388138
35K21.75 mi0.75 mi20369+497968+167968+161984478387838
23M23.00 mi1.25 mi20408-398000-328000-322096685028502
24M24.00 mi1.00 mi20517-1098071-718071-712257093979397
40K24.85 mi0.85 mi20659-1428164-938164-932306796949694
25.2M25.20 mi0.35 mi20640+198157+78157+71955578207820
Finish26.22 mi1.02 mi20658-188176-198176-192131187228722

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21135

Females

8306

F55-59

8306

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21101

Females

8327

F55-59

8327

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21135

Females

8306

F55-59

8306

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21057

Females

8267

F55-59

8267

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20630

Females

8043

F55-59

8043

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20593

Females

8043

F55-59

8043

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19945

Females

7736

F55-59

7736

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20110

Females

7926

F55-59

7926

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20387

Females

8138

F55-59

8138

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19844

Females

7838

F55-59

7838

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20966

Females

8502

F55-59

8502

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22570

Females

9397

F55-59

9397

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23067

Females

9694

F55-59

9694

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19555

Females

7820

F55-59

7820

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21311

Females

8722

F55-59

8722

Passing Analysis

Category:
Athletes Passed
961
Passed By
2791
Net Change
-1830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18828
5K → 10K501273-1223#18828#20051
10K → 15K74433-359#20051#20410
15K → 20K102304-202#20410#20612
20K → Half2919+10#20612#20602
Half → 25K100114-14#20602#20616
25K → 30K22267+155#20616#20461
30K → 20M9157+34#20461#20427
20M → 21M7162+9#20427#20418
21M → 35K7728+49#20418#20369
35K → 23M5190-39#20369#20408
23M → 24M18127-109#20408#20517
24M → 40K16158-142#20517#20659
40K → 25.2M278+19#20659#20640
25.2M → Finish3351-18#20640#20658
TOTALS9612791-1830

Passing Charts

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