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BOSTON MARATHON 2023

Megan Keiler

Bib: 26703•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 (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
11:08/mi
34:34
↑ 97↓ 3451.5%
10K· 6.21 mi
11:32/mi
1:10:25
↑ 79↓ 1380.4%
15K· 9.32 mi
11:22/mi
1:45:44
↑ 67↓ 78
20K· 12.43 mi
11:38/mi
2:21:54
↑ 106↓ 860.1%
Half· 13.11 mi
11:36/mi
2:29:49
↑ 19↓ 370.5%
25K· 15.53 mi
12:25/mi
2:59:55
↑ 66↓ 880.2%
30K· 18.64 mi
12:24/mi
3:38:28
↑ 181↓ 1480.2%
20M
12:23/mi
3:55:18
↑ 64↓ 500.2%
21M
12:37/mi
4:07:55
↑ 106↓ 241.6%
35K· 21.75 mi
12:17/mi
4:17:06
↑ 17↓ 861.7%
23M
12:19/mi
4:32:31
↑ 23↓ 630.6%
24M
11:52/mi
4:44:23
↓ 821.3%
40K· 24.85 mi
12:17/mi
4:54:53
↓ 200.3%
25.2M
12:19/mi
4:59:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:58/mi
5:10:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:49
Pace11:26 /mi
2nd Half
Distance13.11 mi
Time2:40:30
Pace12:15 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4834:3411:0834:34
11:08
-
10K
6.21 mi12:33:391:10:2511:2035:51
11:32
+0:24
15K
9.32 mi13:08:581:45:4411:2135:19
11:22
-0:10
20K
12.43 mi13:45:082:21:5411:2536:10
11:38
+0:16
Half
13.11 mi13:53:032:29:4911:267:55
11:36
-0:02
25K
15.53 mi14:23:092:59:5511:3530:06
12:25
+0:49
30K
18.64 mi15:01:423:38:2811:4338:33
12:24
-0:01
20M
20.00 mi15:18:323:55:1811:4616:50
12:23
-0:01
21M
21.00 mi15:31:094:07:5511:4812:37
12:37
+0:14
35K
21.75 mi15:40:204:17:0611:499:11
12:17
-0:20
23M
23.00 mi15:55:454:32:3111:5115:25
12:19
+0:02
24M
24.00 mi16:07:374:44:2311:5111:52
11:52
-0:27
40K
24.85 mi16:18:074:54:5311:5210:30
12:17
+0:25
25.2M
25.20 mi16:22:224:59:0811:524:15
12:19
+0:02
Finish
26.22 mi16:33:335:10:1911:5111:11
10:58
-1:21

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

10:58 /mi

Average Pace

11:51 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:52

56% of race

Time at Steady Pace

2:17:27

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:50 /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 mi11:57:4834:3411:0834:34
11:08
#25845
10K
6.21 mi12:33:391:10:2511:2035:51
11:32
#25960
15K
9.32 mi13:08:581:45:4411:2135:19
11:22
#25841
20K
12.43 mi13:45:082:21:5411:2536:10
11:38
#25723
Half
13.11 mi13:53:032:29:4911:267:55
11:36
#25713
25K
15.53 mi14:23:092:59:5511:3530:06
12:25
#25681
30K
18.64 mi15:01:423:38:2811:4338:33
12:24
#25557
20M
20.00 mi15:18:323:55:1811:4616:50
12:23
#25506
21M
21.00 mi15:31:094:07:5511:4812:37
12:37
#25420
35K
21.75 mi15:40:204:17:0611:499:11
12:17
#25412
23M
23.00 mi15:55:454:32:3111:5115:25
12:19
#25371
24M
24.00 mi16:07:374:44:2311:5111:52
11:52
#25342
40K
24.85 mi16:18:074:54:5311:5210:30
12:17
#25311
25.2M
25.20 mi16:22:224:59:0811:524:15
12:19
#25290
Finish
26.22 mi16:33:335:10:1911:5111:11
10:58
#25243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25845109521095225578(Top 96%)10796(Top 95%)10796(Top 894%)
10K6.21 mi3.10 mi25960-11511016-6411016-6425996(Top 98%)11038(Top 97%)11038(Top 914%)
15K9.32 mi3.11 mi25841+11910937+7910937+7925578(Top 96%)10796(Top 95%)10796(Top 894%)
20K12.43 mi3.11 mi25723+11810885+5210885+5225413(Top 95%)10724(Top 94%)10724(Top 888%)
Half13.11 mi0.68 mi25713+1010881+410881+425573(Top 96%)10828(Top 95%)10828(Top 897%)
25K15.53 mi2.42 mi25681+3210865+1610865+1625472(Top 96%)10771(Top 94%)10771(Top 892%)
30K18.64 mi3.11 mi25557+12410805+6010805+6024920(Top 94%)10526(Top 92%)10526(Top 872%)
20M20.00 mi1.36 mi25506+5110785+2010785+2024627(Top 93%)10411(Top 91%)10411(Top 863%)
21M21.00 mi1.00 mi25420+8610745+4010745+4023619(Top 89%)9874(Top 86%)9874(Top 818%)
35K21.75 mi0.75 mi25412+810741+410741+424956(Top 94%)10634(Top 93%)10634(Top 881%)
23M23.00 mi1.25 mi25371+4110722+1910722+1924384(Top 92%)10333(Top 90%)10333(Top 856%)
24M24.00 mi1.00 mi25342+2910711+1110711+1124364(Top 92%)10360(Top 91%)10360(Top 858%)
40K24.85 mi0.85 mi25311+3110700+1110700+1124214(Top 91%)10291(Top 90%)10291(Top 853%)
25.2M25.20 mi0.35 mi25290+2110687+1310687+1323058(Top 87%)9704(Top 85%)9704(Top 804%)
Finish26.22 mi1.02 mi25243+4710668+1910668+1923940(Top 90%)10136(Top 89%)10136(Top 840%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25578

Females

10796

F50-54

10796

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

25996

Females

11038

F50-54

11038

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25578

Females

10796

F50-54

10796

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25413

Females

10724

F50-54

10724

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25573

Females

10828

F50-54

10828

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25472

Females

10771

F50-54

10771

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

24920

Females

10526

F50-54

10526

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24627

Females

10411

F50-54

10411

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23619

Females

9874

F50-54

9874

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24956

Females

10634

F50-54

10634

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24384

Females

10333

F50-54

10333

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24364

Females

10360

F50-54

10360

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24214

Females

10291

F50-54

10291

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23058

Females

9704

F50-54

9704

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23940

Females

10136

F50-54

10136

Passing Analysis

Category:
Athletes Passed
949
Passed By
347
Net Change
+602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25845
5K → 10K62177-115#25845#25960
10K → 15K14526+119#25960#25841
15K → 20K14022+118#25841#25723
20K → Half199+10#25723#25713
Half → 25K7543+32#25713#25681
25K → 30K14117+124#25681#25557
30K → 20M6514+51#25557#25506
20M → 21M871+86#25506#25420
21M → 35K2012+8#25420#25412
35K → 23M5110+41#25412#25371
23M → 24M3910+29#25371#25342
24M → 40K354+31#25342#25311
40K → 25.2M210+21#25311#25290
25.2M → Finish492+47#25290#25243
TOTALS949347+602
📊

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