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BOSTON MARATHON 2023

Renee Davies

Bib: 22321•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:56/mi
27:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
55:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:50
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:50:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:56:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:17:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:14/mi
2:46:34
↑ 181↓ 1480.2%
20M
9:12/mi
2:59:04
↑ 64↓ 500.2%
21M
9:24/mi
3:08:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:14:57
↑ 17↓ 861.7%
23M
8:46/mi
3:25:56
↑ 23↓ 630.6%
24M
8:21/mi
3:34:17
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:41:25
↓ 200.3%
25.2M
8:51/mi
3:44:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:52:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:21
Pace8:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1127:458:5627:45
8:56
-
10K
6.21 mi11:49:4355:178:5427:32
8:52
-0:04
15K
9.32 mi12:17:161:22:508:5327:33
8:52
0:00
20K
12.43 mi12:44:471:50:218:5327:31
8:51
-0:01
Half
13.11 mi12:50:471:56:218:536:00
8:48
-0:03
25K
15.53 mi13:12:192:17:538:5321:32
8:53
+0:05
30K
18.64 mi13:41:002:46:348:5628:41
9:14
+0:21
20M
20.00 mi13:53:302:59:048:5712:30
9:12
-0:02
21M
21.00 mi14:02:543:08:288:589:24
9:24
+0:12
35K
21.75 mi14:09:233:14:578:586:29
8:40
-0:44
23M
23.00 mi14:20:223:25:568:5710:59
8:46
+0:06
24M
24.00 mi14:28:433:34:178:568:21
8:21
-0:25
40K
24.85 mi14:35:513:41:258:557:08
8:21
0:00
25.2M
25.20 mi14:38:543:44:288:543:03
8:51
+0:30
Finish
26.22 mi14:47:043:52:388:538:10
8:01
-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

8:01 /mi

Average Pace

8:53 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:07

20% of race

Time at Steady Pace

3:05:31

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:22:1127:458:5627:45
8:56
#20124
10K
6.21 mi11:49:4355:178:5427:32
8:52
#20182
15K
9.32 mi12:17:161:22:508:5327:33
8:52
#20061
20K
12.43 mi12:44:471:50:218:5327:31
8:51
#19748
Half
13.11 mi12:50:471:56:218:536:00
8:48
#19735
25K
15.53 mi13:12:192:17:538:5321:32
8:53
#19501
30K
18.64 mi13:41:002:46:348:5628:41
9:14
#19286
20M
20.00 mi13:53:302:59:048:5712:30
9:12
#19134
21M
21.00 mi14:02:543:08:288:589:24
9:24
#18938
35K
21.75 mi14:09:233:14:578:586:29
8:40
#18833
23M
23.00 mi14:20:223:25:568:5710:59
8:46
#18587
24M
24.00 mi14:28:433:34:178:568:21
8:21
#18392
40K
24.85 mi14:35:513:41:258:557:08
8:21
#18194
25.2M
25.20 mi14:38:543:44:288:543:03
8:51
#18111
Finish
26.22 mi14:47:043:52:388:538:10
8:01
#17913
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201247889788919880(Top 75%)7615(Top 67%)7615(Top 419%)
10K6.21 mi3.10 mi20182-587863+267863+2620239(Top 76%)7837(Top 69%)7837(Top 431%)
15K9.32 mi3.11 mi20061+1217775+887775+8819880(Top 75%)7615(Top 67%)7615(Top 419%)
20K12.43 mi3.11 mi19748+3137570+2057570+20518984(Top 71%)7076(Top 62%)7076(Top 389%)
Half13.11 mi0.68 mi19735+137553+177553+1719468(Top 73%)7346(Top 64%)7346(Top 404%)
25K15.53 mi2.42 mi19501+2347421+1327421+13218369(Top 69%)6764(Top 59%)6764(Top 372%)
30K18.64 mi3.11 mi19286+2157306+1157306+11518312(Top 69%)6816(Top 60%)6816(Top 375%)
20M20.00 mi1.36 mi19134+1527231+757231+7517557(Top 66%)6485(Top 57%)6485(Top 357%)
21M21.00 mi1.00 mi18938+1967131+1007131+10015510(Top 58%)5365(Top 47%)5365(Top 295%)
35K21.75 mi0.75 mi18833+1057077+547077+5416288(Top 61%)5873(Top 51%)5873(Top 323%)
23M23.00 mi1.25 mi18587+2466942+1356942+13514863(Top 56%)5106(Top 45%)5106(Top 281%)
24M24.00 mi1.00 mi18392+1956852+906852+9013586(Top 51%)4455(Top 39%)4455(Top 245%)
40K24.85 mi0.85 mi18194+1986752+1006752+10012399(Top 47%)3899(Top 34%)3899(Top 215%)
25.2M25.20 mi0.35 mi18111+836707+456707+4511740(Top 44%)3636(Top 32%)3636(Top 200%)
Finish26.22 mi1.02 mi17913+1986603+1046603+10412285(Top 46%)3869(Top 34%)3869(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19880

Females

7615

F45-49

7615

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20239

Females

7837

F45-49

7837

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19880

Females

7615

F45-49

7615

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18984

Females

7076

F45-49

7076

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19468

Females

7346

F45-49

7346

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18369

Females

6764

F45-49

6764

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18312

Females

6816

F45-49

6816

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17557

Females

6485

F45-49

6485

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15510

Females

5365

F45-49

5365

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16288

Females

5873

F45-49

5873

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14863

Females

5106

F45-49

5106

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13586

Females

4455

F45-49

4455

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12399

Females

3899

F45-49

3899

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11740

Females

3636

F45-49

3636

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12285

Females

3869

F45-49

3869

Passing Analysis

Category:
Athletes Passed
2867
Passed By
656
Net Change
+2211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20124
5K → 10K278336-58#20124#20182
10K → 15K245124+121#20182#20061
15K → 20K35845+313#20061#19748
20K → Half3724+13#19748#19735
Half → 25K25521+234#19735#19501
25K → 30K28570+215#19501#19286
30K → 20M16412+152#19286#19134
20M → 21M2037+196#19134#18938
21M → 35K1116+105#18938#18833
35K → 23M2504+246#18833#18587
23M → 24M1961+195#18587#18392
24M → 40K1991+198#18392#18194
40K → 25.2M830+83#18194#18111
25.2M → Finish2035+198#18111#17913
TOTALS2867656+2211
📊

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