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BOSTON MARATHON 2023

Madeline Hartlieb

Bib: 6941•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #5481
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
42:31
Rank: #5347 (+134)
5K → 10K
21:07 | 6:48/mi
15K· 9.32 mi
1:03:45
Rank: #5369 (-22)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:25:38
Rank: #5648 (-279)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:30:08
Rank: #5553 (+95)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:46:21
Rank: #5157 (+396)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:07:26
Rank: #4638 (+519)
25K → 30K
21:05 | 6:47/mi
20M
2:16:44
Rank: #4486 (+152)
30K → 20M
9:18 | 6:51/mi
21M
2:23:43
Rank: #4252 (+234)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:28:38
Rank: #4175 (+77)
21M → 35K
4:55 | 6:34/mi
23M
2:36:51
Rank: #3921 (+254)
35K → 23M
8:13 | 6:34/mi
24M
2:43:20
Rank: #3781 (+140)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:48:59
Rank: #3637 (+144)
24M → 40K
5:39 | 6:36/mi
25.2M
2:51:26
Rank: #3591 (+46)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:57:52
Rank: #3448 (+143)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5721:246:5321:24
6:53
-
10K
6.21 mi10:46:0442:316:5121:07
6:48
-0:05
15K
9.32 mi11:07:181:03:456:5021:14
6:50
+0:02
20K
12.43 mi11:29:111:25:386:5321:53
7:03
+0:13
Half
13.11 mi11:33:411:30:086:534:30
6:36
-0:27
25K
15.53 mi11:49:541:46:216:5116:13
6:41
+0:05
30K
18.64 mi12:10:592:07:266:5021:05
6:47
+0:06
20M
20.00 mi12:20:172:16:446:509:18
6:51
+0:04
21M
21.00 mi12:27:162:23:436:516:59
6:59
+0:08
35K
21.75 mi12:32:112:28:386:504:55
6:34
-0:25
23M
23.00 mi12:40:242:36:516:498:13
6:34
0:00
24M
24.00 mi12:46:532:43:206:486:29
6:29
-0:05
40K
24.85 mi12:52:322:48:596:485:39
6:36
+0:07
25.2M
25.20 mi12:54:592:51:266:482:27
7:06
+0:30
Finish
26.22 mi13:01:252:57:526:476:26
6:19
-0:47

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

6:19 /mi

Average Pace

6:47 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:33

82% of race

Time at Steady Pace

31:19

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:24:5721:246:5321:24
6:53
#5481
10K
6.21 mi10:46:0442:316:5121:07
6:48
#5347
15K
9.32 mi11:07:181:03:456:5021:14
6:50
#5369
20K
12.43 mi11:29:111:25:386:5321:53
7:03
#5648
Half
13.11 mi11:33:411:30:086:534:30
6:36
#5553
25K
15.53 mi11:49:541:46:216:5116:13
6:41
#5157
30K
18.64 mi12:10:592:07:266:5021:05
6:47
#4638
20M
20.00 mi12:20:172:16:446:509:18
6:51
#4486
21M
21.00 mi12:27:162:23:436:516:59
6:59
#4252
35K
21.75 mi12:32:112:28:386:504:55
6:34
#4175
23M
23.00 mi12:40:242:36:516:498:13
6:34
#3921
24M
24.00 mi12:46:532:43:206:486:29
6:29
#3781
40K
24.85 mi12:52:322:48:596:485:39
6:36
#3637
25.2M
25.20 mi12:54:592:51:266:482:27
7:06
#3591
Finish
26.22 mi13:01:252:57:526:476:26
6:19
#3448
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi54814134135442(Top 20%)418(Top 4%)418(Top 9%)
10K6.21 mi3.10 mi5347+134399+14399+145288(Top 20%)392(Top 3%)392(Top 8%)
15K9.32 mi3.11 mi5369-22396+3396+35442(Top 20%)418(Top 4%)418(Top 9%)
20K12.43 mi3.11 mi5648-279439-43439-436250(Top 23%)583(Top 5%)583(Top 12%)
Half13.11 mi0.68 mi5553+95422+17422+173478(Top 13%)178(Top 2%)178(Top 4%)
25K15.53 mi2.42 mi5157+396369+53369+533299(Top 12%)162(Top 1%)162(Top 3%)
30K18.64 mi3.11 mi4638+519307+62307+622905(Top 11%)153(Top 1%)153(Top 3%)
20M20.00 mi1.36 mi4486+152297+10297+103114(Top 12%)189(Top 2%)189(Top 4%)
21M21.00 mi1.00 mi4252+234269+28269+282113(Top 8%)115(Top 1%)115(Top 2%)
35K21.75 mi0.75 mi4175+77263+6263+62769(Top 10%)171(Top 1%)171(Top 4%)
23M23.00 mi1.25 mi3921+254236+27236+271673(Top 6%)85(Top 0.7%)85(Top 2%)
24M24.00 mi1.00 mi3781+140223+13223+132060(Top 8%)127(Top 1%)127(Top 3%)
40K24.85 mi0.85 mi3637+144211+12211+121981(Top 7%)125(Top 1%)125(Top 3%)
25.2M25.20 mi0.35 mi3591+46205+6205+62193(Top 8%)151(Top 1%)151(Top 3%)
Finish26.22 mi1.02 mi3448+143195+10195+101703(Top 6%)101(Top 0.9%)101(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5442

Females

418

F18-39

418

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5288

Females

392

F18-39

392

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5442

Females

418

F18-39

418

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6250

Females

583

F18-39

583

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3478

Females

178

F18-39

178

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3299

Females

162

F18-39

162

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2905

Females

153

F18-39

153

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3114

Females

189

F18-39

189

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2113

Females

115

F18-39

115

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2769

Females

171

F18-39

171

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1673

Females

85

F18-39

85

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2060

Females

127

F18-39

127

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1981

Females

125

F18-39

125

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2193

Females

151

F18-39

151

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1703

Females

101

F18-39

101

Passing Analysis

Category:
Athletes Passed
2652
Passed By
619
Net Change
+2033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5481
5K → 10K274140+134#5481#5347
10K → 15K102124-22#5347#5369
15K → 20K47326-279#5369#5648
20K → Half972+95#5648#5553
Half → 25K3971+396#5553#5157
25K → 30K5212+519#5157#4638
30K → 20M1586+152#4638#4486
20M → 21M2340+234#4486#4252
21M → 35K814+77#4252#4175
35K → 23M2551+254#4175#3921
23M → 24M1422+140#3921#3781
24M → 40K1451+144#3781#3637
40K → 25.2M493+46#3637#3591
25.2M → Finish1507+143#3591#3448
TOTALS2652619+2033
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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