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BOSTON MARATHON 2023

Andrea Mcallister

Bib: 18546•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 22%
Masters (Masters Women)
#0 / 6539
Top 10%
Division (F50-54)
#0 / 1207
Top 5%
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
45:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:09:31
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:33:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:38:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
1:58:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:24:05
↑ 181↓ 1480.2%
20M
8:15/mi
2:35:17
↑ 64↓ 500.2%
21M
9:10/mi
2:44:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:50:10
↑ 17↓ 861.7%
23M
7:54/mi
3:00:03
↑ 23↓ 630.6%
24M
7:45/mi
3:07:48
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:14:44
↓ 200.3%
25.2M
8:45/mi
3:17:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:25:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:46:44
Pace8:09 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1222:537:2222:53
7:22
-
10K
6.21 mi11:42:1345:547:2323:01
7:25
+0:03
15K
9.32 mi12:05:501:09:317:2823:37
7:36
+0:11
20K
12.43 mi12:29:571:33:387:3224:07
7:46
+0:10
Half
13.11 mi12:35:181:38:597:335:21
7:50
+0:04
25K
15.53 mi12:54:571:58:387:3819:39
8:06
+0:16
30K
18.64 mi13:20:242:24:057:4425:27
8:11
+0:05
20M
20.00 mi13:31:362:35:177:4611:12
8:15
+0:04
21M
21.00 mi13:40:462:44:277:509:10
9:10
+0:55
35K
21.75 mi13:46:292:50:107:495:43
7:38
-1:32
23M
23.00 mi13:56:223:00:037:509:53
7:54
+0:16
24M
24.00 mi14:04:073:07:487:507:45
7:45
-0:09
40K
24.85 mi14:11:033:14:447:506:56
8:07
+0:22
25.2M
25.20 mi14:14:043:17:457:513:01
8:45
+0:38
Finish
26.22 mi14:22:023:25:437:517:58
7:49
-0:56

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

7:22 /mi

Average Pace

7:51 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:31

34% of race

Time at Steady Pace

1:00:47

30% of race

Time at Slower Pace

1:15:25

37% of race

Average Pace: 7:51 /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 mi11:19:1222:537:2222:53
7:22
#8569
10K
6.21 mi11:42:1345:547:2323:01
7:25
#9095
15K
9.32 mi12:05:501:09:317:2823:37
7:36
#9679
20K
12.43 mi12:29:571:33:387:3224:07
7:46
#10140
Half
13.11 mi12:35:181:38:597:335:21
7:50
#10297
25K
15.53 mi12:54:571:58:387:3819:39
8:06
#10803
30K
18.64 mi13:20:242:24:057:4425:27
8:11
#11000
20M
20.00 mi13:31:362:35:177:4611:12
8:15
#11053
21M
21.00 mi13:40:462:44:277:509:10
9:10
#11256
35K
21.75 mi13:46:292:50:107:495:43
7:38
#11182
23M
23.00 mi13:56:223:00:037:509:53
7:54
#11022
24M
24.00 mi14:04:073:07:487:507:45
7:45
#10931
40K
24.85 mi14:11:033:14:447:506:56
8:07
#10923
25.2M
25.20 mi14:14:043:17:457:513:01
8:45
#10914
Finish
26.22 mi14:22:023:25:437:517:58
7:49
#10890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi85691225122511046(Top 41%)2375(Top 21%)2375(Top 197%)
10K6.21 mi3.10 mi9095-5261454-2291454-2299718(Top 37%)1703(Top 15%)1703(Top 141%)
15K9.32 mi3.11 mi9679-5841700-2461700-24611046(Top 41%)2375(Top 21%)2375(Top 197%)
20K12.43 mi3.11 mi10140-4611894-1941894-19411423(Top 43%)2644(Top 23%)2644(Top 219%)
Half13.11 mi0.68 mi10297-1571972-781972-7813103(Top 49%)3537(Top 31%)3537(Top 293%)
25K15.53 mi2.42 mi10803-5062254-2822254-28213534(Top 51%)3934(Top 34%)3934(Top 326%)
30K18.64 mi3.11 mi11000-1972407-1532407-15312291(Top 46%)3352(Top 29%)3352(Top 278%)
20M20.00 mi1.36 mi11053-532466-592466-5911963(Top 45%)3249(Top 28%)3249(Top 269%)
21M21.00 mi1.00 mi11256-2032599-1332599-13314303(Top 54%)4651(Top 41%)4651(Top 385%)
35K21.75 mi0.75 mi11182+742563+362563+369603(Top 36%)2188(Top 19%)2188(Top 181%)
23M23.00 mi1.25 mi11022+1602505+582505+589070(Top 34%)2072(Top 18%)2072(Top 172%)
24M24.00 mi1.00 mi10931+912489+162489+169457(Top 36%)2318(Top 20%)2318(Top 192%)
40K24.85 mi0.85 mi10923+82515-262515-2610785(Top 41%)3033(Top 27%)3033(Top 251%)
25.2M25.20 mi0.35 mi10914+92523-82523-811060(Top 42%)3218(Top 28%)3218(Top 267%)
Finish26.22 mi1.02 mi10890+242537-142537-1410821(Top 41%)3095(Top 27%)3095(Top 256%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11046

Females

2375

F50-54

2375

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9718

Females

1703

F50-54

1703

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11046

Females

2375

F50-54

2375

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11423

Females

2644

F50-54

2644

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13103

Females

3537

F50-54

3537

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13534

Females

3934

F50-54

3934

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12291

Females

3352

F50-54

3352

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11963

Females

3249

F50-54

3249

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14303

Females

4651

F50-54

4651

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9603

Females

2188

F50-54

2188

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9070

Females

2072

F50-54

2072

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9457

Females

2318

F50-54

2318

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10785

Females

3033

F50-54

3033

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11060

Females

3218

F50-54

3218

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10821

Females

3095

F50-54

3095

Passing Analysis

Category:
Athletes Passed
1012*
Passed By
3332
Net Change
-2321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8569
5K → 10K93619-526#8569#9095
10K → 15K34618-584#9095#9679
15K → 20K56516-461#9679#10140
20K → Half2159-157#10140#10297
Half → 25K31537-506#10297#10803
25K → 30K119316-197#10803#11000
30K → 20M77*130-53#11000#11053
20M → 21M35238-203#11053#11256
21M → 35K8410+74#11256#11182
35K → 23M18121+160#11182#11022
23M → 24M12130+91#11022#10931
24M → 40K6658+8#10931#10923
40K → 25.2M3829+9#10923#10914
25.2M → Finish7551+24#10914#10890
TOTALS1012*3332-2321

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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