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BOSTON MARATHON 2023

Liz Reed

Bib: 27000•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:41/mi
33:10
↑ 97↓ 3451.5%
10K· 6.21 mi
10:19/mi
1:05:13
↑ 79↓ 1380.4%
15K· 9.32 mi
10:13/mi
1:36:56
↑ 67↓ 78
20K· 12.43 mi
10:23/mi
2:09:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:16:20
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:42:03
↑ 66↓ 880.2%
30K· 18.64 mi
12:35/mi
3:21:08
↑ 181↓ 1480.2%
20M
12:49/mi
3:38:33
↑ 64↓ 500.2%
21M
13:30/mi
3:52:03
↑ 106↓ 241.6%
35K· 21.75 mi
12:37/mi
4:01:29
↑ 17↓ 861.7%
23M
12:28/mi
4:17:06
↑ 23↓ 630.6%
24M
12:33/mi
4:29:39
↓ 821.3%
40K· 24.85 mi
12:37/mi
4:40:26
↓ 200.3%
25.2M
12:48/mi
4:44:51
↑ 13↓ 160.2%
Finish· 26.22 mi
10:59/mi
4:56:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:20
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:39:43
Pace12:11 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3833:1010:4133:10
10:41
-
10K
6.21 mi12:22:411:05:1310:3032:03
10:19
-0:22
15K
9.32 mi12:54:241:36:5610:2431:43
10:13
-0:06
20K
12.43 mi13:26:402:09:1210:2432:16
10:23
+0:10
Half
13.11 mi13:33:482:16:2010:247:08
10:27
+0:04
25K
15.53 mi13:59:312:42:0310:2625:43
10:36
+0:09
30K
18.64 mi14:38:363:21:0810:4739:05
12:35
+1:59
20M
20.00 mi14:56:013:38:3310:5617:25
12:49
+0:14
21M
21.00 mi15:09:313:52:0311:0313:30
13:30
+0:41
35K
21.75 mi15:18:574:01:2911:069:26
12:37
-0:53
23M
23.00 mi15:34:344:17:0611:1115:37
12:28
-0:09
24M
24.00 mi15:47:074:29:3911:1412:33
12:33
+0:05
40K
24.85 mi15:57:544:40:2611:1710:47
12:37
+0:04
25.2M
25.20 mi16:02:194:44:5111:184:25
12:48
+0:11
Finish
26.22 mi16:13:314:56:0311:1811:12
10:59
-1:49

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

10:13 /mi

Average Pace

11:18 /mi

Slowest Pace

13:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:15

59% of race

Time at Steady Pace

1:49:18

37% of race

Time at Slower Pace

13:30

5% of race

Average Pace: 11:17 /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 mi11:50:3833:1010:4133:10
10:41
#25130
10K
6.21 mi12:22:411:05:1310:3032:03
10:19
#24711
15K
9.32 mi12:54:241:36:5610:2431:43
10:13
#24434
20K
12.43 mi13:26:402:09:1210:2432:16
10:23
#24215
Half
13.11 mi13:33:482:16:2010:247:08
10:27
#24199
25K
15.53 mi13:59:312:42:0310:2625:43
10:36
#24050
30K
18.64 mi14:38:363:21:0810:4739:05
12:35
#24340
20M
20.00 mi14:56:013:38:3310:5617:25
12:49
#24420
21M
21.00 mi15:09:313:52:0311:0313:30
13:30
#24446
35K
21.75 mi15:18:574:01:2911:069:26
12:37
#24495
23M
23.00 mi15:34:344:17:0611:1115:37
12:28
#24514
24M
24.00 mi15:47:074:29:3911:1412:33
12:33
#24559
40K
24.85 mi15:57:544:40:2611:1710:47
12:37
#24583
25.2M
25.20 mi16:02:194:44:5111:184:25
12:48
#24575
Finish
26.22 mi16:13:314:56:0311:1811:12
10:59
#24576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25130105071050723905(Top 90%)9845(Top 86%)9845(Top 202%)
10K6.21 mi3.10 mi24711+41910273+23410273+23424333(Top 91%)10080(Top 88%)10080(Top 206%)
15K9.32 mi3.11 mi24434+27710125+14810125+14823905(Top 90%)9845(Top 86%)9845(Top 202%)
20K12.43 mi3.11 mi24215+21910013+11210013+11223632(Top 89%)9704(Top 85%)9704(Top 199%)
Half13.11 mi0.68 mi24199+1610005+810005+824154(Top 91%)10006(Top 88%)10006(Top 205%)
25K15.53 mi2.42 mi24050+1499930+759930+7523377(Top 88%)9607(Top 84%)9607(Top 197%)
30K18.64 mi3.11 mi24340-29010118-18810118-18825080(Top 94%)10613(Top 93%)10613(Top 217%)
20M20.00 mi1.36 mi24420-8010168-5010168-5025010(Top 94%)10606(Top 93%)10606(Top 217%)
21M21.00 mi1.00 mi24446-2610190-2210190-2224587(Top 92%)10390(Top 91%)10390(Top 213%)
35K21.75 mi0.75 mi24495-4910215-2510215-2525274(Top 95%)10794(Top 94%)10794(Top 221%)
23M23.00 mi1.25 mi24514-1910238-2310238-2324558(Top 92%)10419(Top 91%)10419(Top 213%)
24M24.00 mi1.00 mi24559-4510280-4210280-4225105(Top 94%)10734(Top 94%)10734(Top 220%)
40K24.85 mi0.85 mi24583-2410301-2110301-2124574(Top 92%)10469(Top 92%)10469(Top 214%)
25.2M25.20 mi0.35 mi24575+810302-110302-123746(Top 89%)10061(Top 88%)10061(Top 206%)
Finish26.22 mi1.02 mi24576-110305-310305-323963(Top 90%)10148(Top 89%)10148(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23905

Females

9845

F18-39

9845

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24333

Females

10080

F18-39

10080

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23905

Females

9845

F18-39

9845

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23632

Females

9704

F18-39

9704

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24154

Females

10006

F18-39

10006

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23377

Females

9607

F18-39

9607

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25080

Females

10613

F18-39

10613

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25010

Females

10606

F18-39

10606

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24587

Females

10390

F18-39

10390

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25274

Females

10794

F18-39

10794

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24558

Females

10419

F18-39

10419

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25105

Females

10734

F18-39

10734

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24574

Females

10469

F18-39

10469

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23746

Females

10061

F18-39

10061

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23963

Females

10148

F18-39

10148

Passing Analysis

Category:
Athletes Passed
1412
Passed By
858
Net Change
+554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25130
5K → 10K46647+419#25130#24711
10K → 15K29619+277#24711#24434
15K → 20K23516+219#24434#24215
20K → Half2913+16#24215#24199
Half → 25K18031+149#24199#24050
25K → 30K39329-290#24050#24340
30K → 20M22102-80#24340#24420
20M → 21M2854-26#24420#24446
21M → 35K1362-49#24446#24495
35K → 23M3251-19#24495#24514
23M → 24M2166-45#24514#24559
24M → 40K1337-24#24559#24583
40K → 25.2M146+8#24583#24575
25.2M → Finish2425-1#24575#24576
TOTALS1412858+554
📊

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