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BOSTON MARATHON 2023

Maddie Stein

Bib: 13001•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
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
7:57/mi
24:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:13:15
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:37:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
2:01:36
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:26:01
↑ 181↓ 1480.2%
20M
7:50/mi
2:36:40
↑ 64↓ 500.2%
21M
8:13/mi
2:44:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:50:39
↑ 17↓ 861.7%
23M
7:53/mi
3:00:31
↑ 23↓ 630.6%
24M
7:40/mi
3:08:11
↓ 821.3%
40K· 24.85 mi
7:14/mi
3:14:22
↓ 200.3%
25.2M
7:53/mi
3:17:05
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:24:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1524:437:5724:43
7:57
-
10K
6.21 mi11:17:3849:067:5424:23
7:51
-0:06
15K
9.32 mi11:41:471:13:157:5224:09
7:46
-0:05
20K
12.43 mi12:06:041:37:327:5124:17
7:49
+0:03
Half
13.11 mi12:11:231:42:517:515:19
7:48
-0:01
25K
15.53 mi12:30:082:01:367:5018:45
7:44
-0:04
30K
18.64 mi12:54:332:26:017:5024:25
7:52
+0:08
20M
20.00 mi13:05:122:36:407:5010:39
7:50
-0:02
21M
21.00 mi13:13:252:44:537:518:13
8:13
+0:23
35K
21.75 mi13:19:112:50:397:515:46
7:42
-0:31
23M
23.00 mi13:29:033:00:317:519:52
7:53
+0:11
24M
24.00 mi13:36:433:08:117:507:40
7:40
-0:13
40K
24.85 mi13:42:543:14:227:496:11
7:14
-0:26
25.2M
25.20 mi13:45:373:17:057:492:43
7:53
+0:39
Finish
26.22 mi13:52:403:24:087:477:03
6:55
-0:58

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

6:55 /mi

Average Pace

7:47 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:14

6% of race

Time at Steady Pace

3:02:41

89% of race

Time at Slower Pace

8:13

4% of race

Average Pace: 7:47 /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 mi10:53:1524:437:5724:43
7:57
#13697
10K
6.21 mi11:17:3849:067:5424:23
7:51
#13611
15K
9.32 mi11:41:471:13:157:5224:09
7:46
#13214
20K
12.43 mi12:06:041:37:327:5124:17
7:49
#12831
Half
13.11 mi12:11:231:42:517:515:19
7:48
#12820
25K
15.53 mi12:30:082:01:367:5018:45
7:44
#12422
30K
18.64 mi12:54:332:26:017:5024:25
7:52
#11870
20M
20.00 mi13:05:122:36:407:5010:39
7:50
#11655
21M
21.00 mi13:13:252:44:537:518:13
8:13
#11441
35K
21.75 mi13:19:112:50:397:515:46
7:42
#11362
23M
23.00 mi13:29:033:00:317:519:52
7:53
#11195
24M
24.00 mi13:36:433:08:117:507:40
7:40
#11079
40K
24.85 mi13:42:543:14:227:496:11
7:14
#10794
25.2M
25.20 mi13:45:373:17:057:492:43
7:53
#10698
Finish
26.22 mi13:52:403:24:087:477:03
6:55
#10397
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136973839383912495(Top 47%)3178(Top 28%)3178(Top 65%)
10K6.21 mi3.10 mi13611+863809+303809+3013539(Top 51%)3749(Top 33%)3749(Top 77%)
15K9.32 mi3.11 mi13214+3973584+2253584+22512495(Top 47%)3178(Top 28%)3178(Top 65%)
20K12.43 mi3.11 mi12831+3833379+2053379+20511874(Top 45%)2888(Top 25%)2888(Top 59%)
Half13.11 mi0.68 mi12820+113375+43375+412660(Top 48%)3266(Top 29%)3266(Top 67%)
25K15.53 mi2.42 mi12422+3983178+1973178+19710575(Top 40%)2270(Top 20%)2270(Top 46%)
30K18.64 mi3.11 mi11870+5522905+2732905+2739828(Top 37%)2081(Top 18%)2081(Top 43%)
20M20.00 mi1.36 mi11655+2152800+1052800+1059173(Top 34%)1876(Top 16%)1876(Top 38%)
21M21.00 mi1.00 mi11441+2142692+1082692+1088738(Top 33%)1823(Top 16%)1823(Top 37%)
35K21.75 mi0.75 mi11362+792662+302662+3010033(Top 38%)2371(Top 21%)2371(Top 49%)
23M23.00 mi1.25 mi11195+1672602+602602+608975(Top 34%)2019(Top 18%)2019(Top 41%)
24M24.00 mi1.00 mi11079+1162564+382564+388887(Top 33%)2049(Top 18%)2049(Top 42%)
40K24.85 mi0.85 mi10794+2852446+1182446+1185107(Top 19%)700(Top 6%)700(Top 14%)
25.2M25.20 mi0.35 mi10698+962413+332413+335917(Top 22%)1048(Top 9%)1048(Top 21%)
Finish26.22 mi1.02 mi10397+3012293+1202293+1204786(Top 18%)671(Top 6%)671(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12495

Females

3178

F18-39

3178

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13539

Females

3749

F18-39

3749

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12495

Females

3178

F18-39

3178

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11874

Females

2888

F18-39

2888

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12660

Females

3266

F18-39

3266

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10575

Females

2270

F18-39

2270

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9828

Females

2081

F18-39

2081

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9173

Females

1876

F18-39

1876

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8738

Females

1823

F18-39

1823

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10033

Females

2371

F18-39

2371

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8975

Females

2019

F18-39

2019

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8887

Females

2049

F18-39

2049

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5107

Females

700

F18-39

700

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5917

Females

1048

F18-39

1048

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4786

Females

671

F18-39

671

Passing Analysis

Category:
Athletes Passed
3784
Passed By
484
Net Change
+3300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13697
5K → 10K342256+86#13697#13611
10K → 15K45457+397#13611#13214
15K → 20K41633+383#13214#12831
20K → Half3827+11#12831#12820
Half → 25K40911+398#12820#12422
25K → 30K56513+552#12422#11870
30K → 20M2249+215#11870#11655
20M → 21M22713+214#11655#11441
21M → 35K9819+79#11441#11362
35K → 23M18720+167#11362#11195
23M → 24M13923+116#11195#11079
24M → 40K2850+285#11079#10794
40K → 25.2M982+96#10794#10698
25.2M → Finish3021+301#10698#10397
TOTALS3784484+3300
📊

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