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BOSTON MARATHON 2023

Rachel Davis

Bib: 20736•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:21
Rank: #17446
Start → 5K
26:21 | 8:29/mi
10K· 6.21 mi
52:22
Rank: #17405 (+41)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:51
Rank: #17597 (-192)
10K → 15K
26:29 | 8:31/mi
20K· 12.43 mi
1:46:42
Rank: #18123 (-526)
15K → 20K
27:51 | 8:58/mi
Half· 13.11 mi
1:52:35
Rank: #18133 (-10)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:14:01
Rank: #18128 (+5)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:41:40
Rank: #17794 (+334)
25K → 30K
27:39 | 8:54/mi
20M
2:54:29
Rank: #17869 (-75)
30K → 20M
12:49 | 9:26/mi
21M
3:03:53
Rank: #17724 (+145)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
3:10:48
Rank: #17771 (-47)
21M → 35K
6:55 | 9:15/mi
23M
3:22:16
Rank: #17732 (+39)
35K → 23M
11:28 | 9:09/mi
24M
3:31:09
Rank: #17697 (+35)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:39:13
Rank: #17736 (-39)
24M → 40K
8:04 | 9:26/mi
25.2M
3:42:28
Rank: #17693 (+43)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:51:21
Rank: #17641 (+52)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:58:46
Pace9:04 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1926:218:2926:21
8:29
-
10K
6.21 mi11:46:2052:228:2626:01
8:22
-0:07
15K
9.32 mi12:12:491:18:518:2826:29
8:31
+0:09
20K
12.43 mi12:40:401:46:428:3527:51
8:58
+0:27
Half
13.11 mi12:46:331:52:358:355:53
8:37
-0:21
25K
15.53 mi13:07:592:14:018:3821:26
8:50
+0:13
30K
18.64 mi13:35:382:41:408:4027:39
8:54
+0:04
20M
20.00 mi13:48:272:54:298:4312:49
9:26
+0:32
21M
21.00 mi13:57:513:03:538:459:24
9:24
-0:02
35K
21.75 mi14:04:463:10:488:466:55
9:15
-0:09
23M
23.00 mi14:16:143:22:168:4811:28
9:09
-0:06
24M
24.00 mi14:25:073:31:098:488:53
8:53
-0:16
40K
24.85 mi14:33:113:39:138:498:04
9:26
+0:33
25.2M
25.20 mi14:36:263:42:288:503:15
9:25
-0:01
Finish
26.22 mi14:45:193:51:218:508:53
8:43
-0:42

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

8:22 /mi

Average Pace

8:50 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:54

83% of race

Time at Steady Pace

40:27

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:20:1926:218:2926:21
8:29
#17446
10K
6.21 mi11:46:2052:228:2626:01
8:22
#17405
15K
9.32 mi12:12:491:18:518:2826:29
8:31
#17597
20K
12.43 mi12:40:401:46:428:3527:51
8:58
#18123
Half
13.11 mi12:46:331:52:358:355:53
8:37
#18133
25K
15.53 mi13:07:592:14:018:3821:26
8:50
#18128
30K
18.64 mi13:35:382:41:408:4027:39
8:54
#17794
20M
20.00 mi13:48:272:54:298:4312:49
9:26
#17869
21M
21.00 mi13:57:513:03:538:459:24
9:24
#17724
35K
21.75 mi14:04:463:10:488:466:55
9:15
#17771
23M
23.00 mi14:16:143:22:168:4811:28
9:09
#17732
24M
24.00 mi14:25:073:31:098:488:53
8:53
#17697
40K
24.85 mi14:33:113:39:138:498:04
9:26
#17736
25.2M
25.20 mi14:36:263:42:288:503:15
9:25
#17693
Finish
26.22 mi14:45:193:51:218:508:53
8:43
#17641
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi174466220622017986(Top 68%)6484(Top 57%)6484(Top 345%)
10K6.21 mi3.10 mi17405+416168+526168+5217418(Top 65%)6138(Top 54%)6138(Top 327%)
15K9.32 mi3.11 mi17597-1926275-1076275-10717986(Top 68%)6484(Top 57%)6484(Top 345%)
20K12.43 mi3.11 mi18123-5266585-3106585-31019529(Top 73%)7393(Top 65%)7393(Top 394%)
Half13.11 mi0.68 mi18133-106589-46589-418492(Top 69%)6769(Top 59%)6769(Top 360%)
25K15.53 mi2.42 mi18128+56606-176606-1718179(Top 68%)6651(Top 58%)6651(Top 354%)
30K18.64 mi3.11 mi17794+3346433+1736433+17316660(Top 63%)5869(Top 51%)5869(Top 313%)
20M20.00 mi1.36 mi17869-756504-716504-7118598(Top 70%)7077(Top 62%)7077(Top 377%)
21M21.00 mi1.00 mi17724+1456426+786426+7815509(Top 58%)5364(Top 47%)5364(Top 286%)
35K21.75 mi0.75 mi17771-476467-416467-4118936(Top 71%)7349(Top 64%)7349(Top 391%)
23M23.00 mi1.25 mi17732+396463+46463+416867(Top 63%)6217(Top 54%)6217(Top 331%)
24M24.00 mi1.00 mi17697+356450+136450+1316711(Top 63%)6205(Top 54%)6205(Top 330%)
40K24.85 mi0.85 mi17736-396478-286478-2818112(Top 68%)6998(Top 61%)6998(Top 373%)
25.2M25.20 mi0.35 mi17693+436457+216457+2114910(Top 56%)5268(Top 46%)5268(Top 281%)
Finish26.22 mi1.02 mi17641+526441+166441+1616603(Top 62%)6157(Top 54%)6157(Top 328%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17986

Females

6484

F40-44

6484

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17418

Females

6138

F40-44

6138

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17986

Females

6484

F40-44

6484

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19529

Females

7393

F40-44

7393

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18492

Females

6769

F40-44

6769

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18179

Females

6651

F40-44

6651

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16660

Females

5869

F40-44

5869

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18598

Females

7077

F40-44

7077

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15509

Females

5364

F40-44

5364

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18936

Females

7349

F40-44

7349

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16867

Females

6217

F40-44

6217

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16711

Females

6205

F40-44

6205

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18112

Females

6998

F40-44

6998

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14910

Females

5268

F40-44

5268

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16603

Females

6157

F40-44

6157

Passing Analysis

Category:
Athletes Passed
1682
Passed By
1877
Net Change
-195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17446
5K → 10K327286+41#17446#17405
10K → 15K124316-192#17405#17597
15K → 20K65591-526#17597#18123
20K → Half1828-10#18123#18133
Half → 25K134129+5#18133#18128
25K → 30K38147+334#18128#17794
30K → 20M71146-75#17794#17869
20M → 21M16116+145#17869#17724
21M → 35K3986-47#17724#17771
35K → 23M10364+39#17771#17732
23M → 24M7742+35#17732#17697
24M → 40K4281-39#17697#17736
40K → 25.2M529+43#17736#17693
25.2M → Finish8836+52#17693#17641
TOTALS16821877-195
📊

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