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BOSTON MARATHON 2023

Shalisa Davis

Bib: 22517•F

VA

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

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
10:17/mi
31:58
↑ 97↓ 3451.5%
10K· 6.21 mi
10:32/mi
1:04:43
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:37:13
↑ 67↓ 78
20K· 12.43 mi
10:36/mi
2:10:08
↑ 106↓ 860.1%
Half· 13.11 mi
10:29/mi
2:17:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:42:42
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:15:45
↑ 181↓ 1480.2%
20M
10:22/mi
3:29:50
↑ 64↓ 500.2%
21M
11:33/mi
3:41:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:49:17
↑ 17↓ 861.7%
23M
10:42/mi
4:02:41
↑ 23↓ 630.6%
24M
10:17/mi
4:12:58
↓ 821.3%
40K· 24.85 mi
10:21/mi
4:21:49
↓ 200.3%
25.2M
11:01/mi
4:25:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:45/mi
4:35:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:17:17
Pace10:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:18:16
Pace10:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1331:5810:1731:58
10:17
-
10K
6.21 mi11:58:581:04:4310:2532:45
10:32
+0:15
15K
9.32 mi12:31:281:37:1310:2632:30
10:28
-0:04
20K
12.43 mi13:04:232:10:0810:2832:55
10:36
+0:08
Half
13.11 mi13:11:322:17:1710:287:09
10:29
-0:07
25K
15.53 mi13:36:572:42:4210:2825:25
10:29
0:00
30K
18.64 mi14:10:003:15:4510:3033:03
10:38
+0:09
20M
20.00 mi14:24:053:29:5010:2914:05
10:22
-0:16
21M
21.00 mi14:35:383:41:2310:3311:33
11:33
+1:11
35K
21.75 mi14:43:323:49:1710:337:54
10:34
-0:59
23M
23.00 mi14:56:564:02:4110:3313:24
10:42
+0:08
24M
24.00 mi15:07:134:12:5810:3210:17
10:17
-0:25
40K
24.85 mi15:16:044:21:4910:328:51
10:21
+0:04
25.2M
25.20 mi15:19:524:25:3710:323:48
11:01
+0:40
Finish
26.22 mi15:29:484:35:3310:319:56
9:45
-1:16

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

9:45 /mi

Average Pace

10:31 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20:12

94% of race

Time at Steady Pace

3:48

1% of race

Time at Slower Pace

11:33

4% of race

Average Pace: 10:31 /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 mi11:26:1331:5810:1731:58
10:17
#24200
10K
6.21 mi11:58:581:04:4310:2532:45
10:32
#24523
15K
9.32 mi12:31:281:37:1310:2632:30
10:28
#24506
20K
12.43 mi13:04:232:10:0810:2832:55
10:36
#24373
Half
13.11 mi13:11:322:17:1710:287:09
10:29
#24362
25K
15.53 mi13:36:572:42:4210:2825:25
10:29
#24117
30K
18.64 mi14:10:003:15:4510:3033:03
10:38
#23819
20M
20.00 mi14:24:053:29:5010:2914:05
10:22
#23631
21M
21.00 mi14:35:383:41:2310:3311:33
11:33
#23569
35K
21.75 mi14:43:323:49:1710:337:54
10:34
#23533
23M
23.00 mi14:56:564:02:4110:3313:24
10:42
#23449
24M
24.00 mi15:07:134:12:5810:3210:17
10:17
#23377
40K
24.85 mi15:16:044:21:4910:328:51
10:21
#23296
25.2M
25.20 mi15:19:524:25:3710:323:48
11:01
#23249
Finish
26.22 mi15:29:484:35:3310:319:56
9:45
#23168
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi242009991999124396(Top 92%)10120(Top 89%)10120(Top 838%)
10K6.21 mi3.10 mi24523-32310172-18110172-18124759(Top 93%)10308(Top 90%)10308(Top 854%)
15K9.32 mi3.11 mi24506+1710164+810164+824396(Top 92%)10120(Top 89%)10120(Top 838%)
20K12.43 mi3.11 mi24373+13310104+6010104+6024008(Top 90%)9911(Top 87%)9911(Top 821%)
Half13.11 mi0.68 mi24362+1110102+210102+224206(Top 91%)10043(Top 88%)10043(Top 832%)
25K15.53 mi2.42 mi24117+2459972+1309972+13023175(Top 87%)9480(Top 83%)9480(Top 785%)
30K18.64 mi3.11 mi23819+2989817+1559817+15522492(Top 84%)9182(Top 80%)9182(Top 761%)
20M20.00 mi1.36 mi23631+1889727+909727+9021446(Top 81%)8672(Top 76%)8672(Top 718%)
21M21.00 mi1.00 mi23569+629700+279700+2721974(Top 83%)8977(Top 79%)8977(Top 744%)
35K21.75 mi0.75 mi23533+369683+179683+1722518(Top 85%)9337(Top 82%)9337(Top 774%)
23M23.00 mi1.25 mi23449+849657+269657+2621782(Top 82%)8959(Top 78%)8959(Top 742%)
24M24.00 mi1.00 mi23377+729626+319626+3121543(Top 81%)8874(Top 78%)8874(Top 735%)
40K24.85 mi0.85 mi23296+819590+369590+3620897(Top 78%)8547(Top 75%)8547(Top 708%)
25.2M25.20 mi0.35 mi23249+479572+189572+1820568(Top 77%)8370(Top 73%)8370(Top 693%)
Finish26.22 mi1.02 mi23168+819535+379535+3721004(Top 79%)8572(Top 75%)8572(Top 710%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24396

Females

10120

F50-54

10120

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24759

Females

10308

F50-54

10308

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24396

Females

10120

F50-54

10120

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24008

Females

9911

F50-54

9911

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24206

Females

10043

F50-54

10043

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23175

Females

9480

F50-54

9480

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22492

Females

9182

F50-54

9182

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21446

Females

8672

F50-54

8672

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

21974

Females

8977

F50-54

8977

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22518

Females

9337

F50-54

9337

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21782

Females

8959

F50-54

8959

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21543

Females

8874

F50-54

8874

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20897

Females

8547

F50-54

8547

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20568

Females

8370

F50-54

8370

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21004

Females

8572

F50-54

8572

Passing Analysis

Category:
Athletes Passed
1684
Passed By
652
Net Change
+1032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24200
5K → 10K81404-323#24200#24523
10K → 15K137120+17#24523#24506
15K → 20K17845+133#24506#24373
20K → Half2716+11#24373#24362
Half → 25K2494+245#24362#24117
25K → 30K3079+298#24117#23819
30K → 20M1891+188#23819#23631
20M → 21M8018+62#23631#23569
21M → 35K426+36#23569#23533
35K → 23M9511+84#23533#23449
23M → 24M819+72#23449#23377
24M → 40K854+81#23377#23296
40K → 25.2M481+47#23296#23249
25.2M → Finish854+81#23249#23168
TOTALS1684652+1032
📊

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