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BOSTON MARATHON 2023

Sarah Palmer

Bib: 22902•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:14
Rank: #19276
Start → 5K
27:14 | 8:46/mi
10K· 6.21 mi
54:25
Rank: #19450 (-174)
5K → 10K
27:11 | 8:45/mi
15K· 9.32 mi
1:22:14
Rank: #19724 (-274)
10K → 15K
27:49 | 8:57/mi
20K· 12.43 mi
1:50:42
Rank: #19897 (-173)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:56:54
Rank: #19954 (-57)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:19:40
Rank: #20074 (-120)
Half → 25K
22:46 | 9:23/mi
30K· 18.64 mi
2:49:44
Rank: #20079 (-5)
25K → 30K
30:04 | 9:41/mi
20M
3:03:09
Rank: #20085 (-6)
30K → 20M
13:25 | 9:52/mi
21M
3:13:43
Rank: #20052 (+33)
20M → 21M
10:34 | 10:34/mi
35K· 21.75 mi
3:20:44
Rank: #20022 (+30)
21M → 35K
7:01 | 9:23/mi
23M
3:33:18
Rank: #20035 (-13)
35K → 23M
12:34 | 10:02/mi
24M
3:42:57
Rank: #20043 (-8)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:51:20
Rank: #20009 (+34)
24M → 40K
8:23 | 9:48/mi
25.2M
3:54:57
Rank: #19990 (+19)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:04:49
Rank: #20010 (-20)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:54
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:07:55
Pace9:45 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2627:148:4627:14
8:46
-
10K
6.21 mi11:49:3754:258:4527:11
8:45
-0:01
15K
9.32 mi12:17:261:22:148:4927:49
8:57
+0:12
20K
12.43 mi12:45:541:50:428:5428:28
9:10
+0:13
Half
13.11 mi12:52:061:56:548:556:12
9:05
-0:05
25K
15.53 mi13:14:522:19:408:5922:46
9:23
+0:18
30K
18.64 mi13:44:562:49:449:0630:04
9:41
+0:18
20M
20.00 mi13:58:213:03:099:0913:25
9:52
+0:11
21M
21.00 mi14:08:553:13:439:1310:34
10:34
+0:42
35K
21.75 mi14:15:563:20:449:147:01
9:23
-1:11
23M
23.00 mi14:28:303:33:189:1612:34
10:02
+0:39
24M
24.00 mi14:38:093:42:579:179:39
9:39
-0:23
40K
24.85 mi14:46:323:51:209:188:23
9:48
+0:09
25.2M
25.20 mi14:50:093:54:579:193:37
10:29
+0:41
Finish
26.22 mi15:00:014:04:499:219:52
9:41
-0:48

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

8:45 /mi

Average Pace

9:21 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:54

48% of race

Time at Steady Pace

1:41:10

41% of race

Time at Slower Pace

26:45

11% of race

Average Pace: 9:20 /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 mi11:22:2627:148:4627:14
8:46
#19276
10K
6.21 mi11:49:3754:258:4527:11
8:45
#19450
15K
9.32 mi12:17:261:22:148:4927:49
8:57
#19724
20K
12.43 mi12:45:541:50:428:5428:28
9:10
#19897
Half
13.11 mi12:52:061:56:548:556:12
9:05
#19954
25K
15.53 mi13:14:522:19:408:5922:46
9:23
#20074
30K
18.64 mi13:44:562:49:449:0630:04
9:41
#20079
20M
20.00 mi13:58:213:03:099:0913:25
9:52
#20085
21M
21.00 mi14:08:553:13:439:1310:34
10:34
#20052
35K
21.75 mi14:15:563:20:449:147:01
9:23
#20022
23M
23.00 mi14:28:303:33:189:1612:34
10:02
#20035
24M
24.00 mi14:38:093:42:579:179:39
9:39
#20043
40K
24.85 mi14:46:323:51:209:188:23
9:48
#20009
25.2M
25.20 mi14:50:093:54:579:193:37
10:29
#19990
Finish
26.22 mi15:00:014:04:499:219:52
9:41
#20010
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi192767375737520289(Top 76%)7838(Top 69%)7838(Top 649%)
10K6.21 mi3.10 mi19450-1747429-547429-5419687(Top 74%)7503(Top 66%)7503(Top 622%)
15K9.32 mi3.11 mi19724-2747577-1487577-14820289(Top 76%)7838(Top 69%)7838(Top 649%)
20K12.43 mi3.11 mi19897-1737659-827659-8220425(Top 77%)7918(Top 69%)7918(Top 656%)
Half13.11 mi0.68 mi19954-577699-407699-4020803(Top 78%)8127(Top 71%)8127(Top 673%)
25K15.53 mi2.42 mi20074-1207748-497748-4920488(Top 77%)7980(Top 70%)7980(Top 661%)
30K18.64 mi3.11 mi20079-57771-237771-2320068(Top 75%)7805(Top 68%)7805(Top 647%)
20M20.00 mi1.36 mi20085-67794-237794-2320100(Top 76%)7916(Top 69%)7916(Top 656%)
21M21.00 mi1.00 mi20052+337776+187776+1819807(Top 74%)7821(Top 68%)7821(Top 648%)
35K21.75 mi0.75 mi20022+307767+97767+919477(Top 73%)7650(Top 67%)7650(Top 634%)
23M23.00 mi1.25 mi20035-137788-217788-2120101(Top 76%)8014(Top 70%)8014(Top 664%)
24M24.00 mi1.00 mi20043-87800-127800-1219739(Top 74%)7830(Top 69%)7830(Top 649%)
40K24.85 mi0.85 mi20009+347788+127788+1219421(Top 73%)7728(Top 68%)7728(Top 640%)
25.2M25.20 mi0.35 mi19990+197783+57783+519107(Top 72%)7568(Top 66%)7568(Top 627%)
Finish26.22 mi1.02 mi20010-207801-187801-1820747(Top 78%)8432(Top 74%)8432(Top 699%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20289

Females

7838

F50-54

7838

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19687

Females

7503

F50-54

7503

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20289

Females

7838

F50-54

7838

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20425

Females

7918

F50-54

7918

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20803

Females

8127

F50-54

8127

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20488

Females

7980

F50-54

7980

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

20068

Females

7805

F50-54

7805

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20100

Females

7916

F50-54

7916

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19807

Females

7821

F50-54

7821

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19477

Females

7650

F50-54

7650

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20101

Females

8014

F50-54

8014

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19739

Females

7830

F50-54

7830

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19421

Females

7728

F50-54

7728

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19107

Females

7568

F50-54

7568

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20747

Females

8432

F50-54

8432

Passing Analysis

Category:
Athletes Passed
1199
Passed By
1933
Net Change
-734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19276
5K → 10K252426-174#19276#19450
10K → 15K93367-274#19450#19724
15K → 20K115288-173#19724#19897
20K → Half1673-57#19897#19954
Half → 25K94214-120#19954#20074
25K → 30K157162-5#20074#20079
30K → 20M8187-6#20079#20085
20M → 21M9360+33#20085#20052
21M → 35K5929+30#20052#20022
35K → 23M6982-13#20022#20035
23M → 24M4351-8#20035#20043
24M → 40K6531+34#20043#20009
40K → 25.2M289+19#20009#19990
25.2M → Finish3454-20#19990#20010
TOTALS11991933-734
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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