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BOSTON MARATHON 2023

Michaela Ramsden

Bib: 27287•F

ON

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

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
10:14/mi
31:49
↑ 97↓ 3451.5%
10K· 6.21 mi
9:49/mi
1:02:19
↑ 79↓ 1380.4%
15K· 9.32 mi
9:34/mi
1:32:03
↑ 67↓ 78
20K· 12.43 mi
9:44/mi
2:02:18
↑ 106↓ 860.1%
Half· 13.11 mi
9:54/mi
2:09:03
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:33:23
↑ 66↓ 880.2%
30K· 18.64 mi
10:10/mi
3:04:58
↑ 181↓ 1480.2%
20M
10:14/mi
3:18:53
↑ 64↓ 500.2%
21M
10:14/mi
3:29:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:36:13
↑ 17↓ 861.7%
23M
9:50/mi
3:48:32
↑ 23↓ 630.6%
24M
9:50/mi
3:58:22
↓ 821.3%
40K· 24.85 mi
9:50/mi
4:06:47
↓ 200.3%
25.2M
10:18/mi
4:10:20
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
4:19:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:03
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:10:48
Pace9:59 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3231:4910:1431:49
10:14
-
10K
6.21 mi12:24:021:02:1910:0230:30
9:49
-0:25
15K
9.32 mi12:53:461:32:039:5329:44
9:34
-0:15
20K
12.43 mi13:24:012:02:189:5030:15
9:44
+0:10
Half
13.11 mi13:30:462:09:039:516:45
9:54
+0:10
25K
15.53 mi13:55:062:33:239:5224:20
10:02
+0:08
30K
18.64 mi14:26:413:04:589:5531:35
10:10
+0:08
20M
20.00 mi14:40:363:18:539:5713:55
10:14
+0:04
21M
21.00 mi14:50:503:29:079:5710:14
10:14
0:00
35K
21.75 mi14:57:563:36:139:577:06
9:29
-0:45
23M
23.00 mi15:10:153:48:329:5612:19
9:50
+0:21
24M
24.00 mi15:20:053:58:229:569:50
9:50
0:00
40K
24.85 mi15:28:304:06:479:568:25
9:50
0:00
25.2M
25.20 mi15:32:034:10:209:563:33
10:18
+0:28
Finish
26.22 mi15:41:344:19:519:559:31
9:20
-0:58

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

9:20 /mi

Average Pace

9:55 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:18

99% of race

Time at Steady Pace

3:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:55 /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 mi11:53:3231:4910:1431:49
10:14
#24054
10K
6.21 mi12:24:021:02:1910:0230:30
9:49
#23686
15K
9.32 mi12:53:461:32:039:5329:44
9:34
#23303
20K
12.43 mi13:24:012:02:189:5030:15
9:44
#23036
Half
13.11 mi13:30:462:09:039:516:45
9:54
#23044
25K
15.53 mi13:55:062:33:239:5224:20
10:02
#22909
30K
18.64 mi14:26:413:04:589:5531:35
10:10
#22617
20M
20.00 mi14:40:363:18:539:5713:55
10:14
#22504
21M
21.00 mi14:50:503:29:079:5710:14
10:14
#22325
35K
21.75 mi14:57:563:36:139:577:06
9:29
#22229
23M
23.00 mi15:10:153:48:329:5612:19
9:50
#22093
24M
24.00 mi15:20:053:58:229:569:50
9:50
#22022
40K
24.85 mi15:28:304:06:479:568:25
9:50
#21937
25.2M
25.20 mi15:32:034:10:209:563:33
10:18
#21891
Finish
26.22 mi15:41:344:19:519:559:31
9:20
#21828
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240549917991722449(Top 84%)9039(Top 79%)9039(Top 185%)
10K6.21 mi3.10 mi23686+3689722+1959722+19523313(Top 88%)9519(Top 83%)9519(Top 195%)
15K9.32 mi3.11 mi23303+3839508+2149508+21422449(Top 84%)9039(Top 79%)9039(Top 185%)
20K12.43 mi3.11 mi23036+2679366+1429366+14222257(Top 84%)8938(Top 78%)8938(Top 183%)
Half13.11 mi0.68 mi23044-89371-59371-523075(Top 87%)9388(Top 82%)9388(Top 192%)
25K15.53 mi2.42 mi22909+1359313+589313+5822295(Top 84%)8992(Top 79%)8992(Top 184%)
30K18.64 mi3.11 mi22617+2929194+1199194+11921459(Top 81%)8607(Top 75%)8607(Top 176%)
20M20.00 mi1.36 mi22504+1139139+559139+5521114(Top 79%)8480(Top 74%)8480(Top 174%)
21M21.00 mi1.00 mi22325+1799038+1019038+10118852(Top 71%)7264(Top 64%)7264(Top 149%)
35K21.75 mi0.75 mi22229+968988+508988+5019857(Top 75%)7851(Top 69%)7851(Top 161%)
23M23.00 mi1.25 mi22093+1368926+628926+6219555(Top 73%)7719(Top 68%)7719(Top 158%)
24M24.00 mi1.00 mi22022+718892+348892+3420353(Top 76%)8189(Top 72%)8189(Top 168%)
40K24.85 mi0.85 mi21937+858858+348858+3419498(Top 73%)7778(Top 68%)7778(Top 159%)
25.2M25.20 mi0.35 mi21891+468841+178841+1718524(Top 70%)7257(Top 64%)7257(Top 149%)
Finish26.22 mi1.02 mi21828+638812+298812+2919557(Top 73%)7768(Top 68%)7768(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22449

Females

9039

F18-39

9039

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23313

Females

9519

F18-39

9519

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22449

Females

9039

F18-39

9039

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22257

Females

8938

F18-39

8938

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23075

Females

9388

F18-39

9388

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22295

Females

8992

F18-39

8992

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21459

Females

8607

F18-39

8607

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21114

Females

8480

F18-39

8480

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18852

Females

7264

F18-39

7264

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19857

Females

7851

F18-39

7851

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19555

Females

7719

F18-39

7719

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20353

Females

8189

F18-39

8189

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19498

Females

7778

F18-39

7778

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18524

Females

7257

F18-39

7257

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19557

Females

7768

F18-39

7768

Passing Analysis

Category:
Athletes Passed
2458
Passed By
232
Net Change
+2226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24054
5K → 10K45587+368#24054#23686
10K → 15K39411+383#23686#23303
15K → 20K28518+267#23303#23036
20K → Half2230-8#23036#23044
Half → 25K16328+135#23044#22909
25K → 30K31018+292#22909#22617
30K → 20M1207+113#22617#22504
20M → 21M1812+179#22504#22325
21M → 35K982+96#22325#22229
35K → 23M1415+136#22229#22093
23M → 24M787+71#22093#22022
24M → 40K883+85#22022#21937
40K → 25.2M482+46#21937#21891
25.2M → Finish7512+63#21891#21828
TOTALS2458232+2226
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing