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BOSTON MARATHON 2023

Madeleine Haddock

Bib: 11125•F

TN

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 34%
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
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:13:58
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:38:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:03:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:27:43
↑ 181↓ 1480.2%
20M
7:47/mi
2:38:18
↑ 64↓ 500.2%
21M
7:52/mi
2:46:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:51:40
↑ 17↓ 861.7%
23M
7:23/mi
3:00:55
↑ 23↓ 630.6%
24M
7:06/mi
3:08:01
↓ 821.3%
40K· 24.85 mi
7:12/mi
3:14:10
↓ 200.3%
25.2M
7:32/mi
3:16:46
↑ 13↓ 160.2%
Finish· 26.22 mi
6:57/mi
3:23:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:23
Pace7:35 /mi
📊Negative Split: 4.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4924:518:0024:51
8:00
-
10K
6.21 mi11:16:1749:197:5624:28
7:53
-0:07
15K
9.32 mi11:40:561:13:587:5624:39
7:56
+0:03
20K
12.43 mi12:05:391:38:417:5624:43
7:57
+0:01
Half
13.11 mi12:11:261:44:287:585:47
8:29
+0:32
25K
15.53 mi12:30:202:03:227:5618:54
7:48
-0:41
30K
18.64 mi12:54:412:27:437:5524:21
7:50
+0:02
20M
20.00 mi13:05:162:38:187:5510:35
7:47
-0:03
21M
21.00 mi13:13:082:46:107:557:52
7:52
+0:05
35K
21.75 mi13:18:382:51:407:545:30
7:21
-0:31
23M
23.00 mi13:27:533:00:557:529:15
7:23
+0:02
24M
24.00 mi13:34:593:08:017:507:06
7:06
-0:17
40K
24.85 mi13:41:083:14:107:496:09
7:12
+0:06
25.2M
25.20 mi13:43:443:16:467:482:36
7:32
+0:20
Finish
26.22 mi13:50:493:23:517:477:05
6:57
-0:35

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

6:57 /mi

Average Pace

7:47 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:41

18% of race

Time at Steady Pace

2:15:32

66% of race

Time at Slower Pace

30:38

15% of race

Average Pace: 7:46 /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 mi10:51:4924:518:0024:51
8:00
#14003
10K
6.21 mi11:16:1749:197:5624:28
7:53
#13879
15K
9.32 mi11:40:561:13:587:5624:39
7:56
#13866
20K
12.43 mi12:05:391:38:417:5624:43
7:57
#13620
Half
13.11 mi12:11:261:44:287:585:47
8:29
#13855
25K
15.53 mi12:30:202:03:227:5618:54
7:48
#13395
30K
18.64 mi12:54:412:27:437:5524:21
7:50
#12675
20M
20.00 mi13:05:162:38:187:5510:35
7:47
#12342
21M
21.00 mi13:13:082:46:107:557:52
7:52
#11969
35K
21.75 mi13:18:382:51:407:545:30
7:21
#11796
23M
23.00 mi13:27:533:00:557:529:15
7:23
#11345
24M
24.00 mi13:34:593:08:017:507:06
7:06
#11015
40K
24.85 mi13:41:083:14:107:496:09
7:12
#10724
25.2M
25.20 mi13:43:443:16:467:482:36
7:32
#10584
Finish
26.22 mi13:50:493:23:517:477:05
6:57
#10309
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140034029402913852(Top 52%)3992(Top 35%)3992(Top 82%)
10K6.21 mi3.10 mi13879+1243967+623967+6213762(Top 52%)3892(Top 34%)3892(Top 80%)
15K9.32 mi3.11 mi13866+133974-73974-713852(Top 52%)3992(Top 35%)3992(Top 82%)
20K12.43 mi3.11 mi13620+2463858+1163858+11613074(Top 49%)3581(Top 31%)3581(Top 73%)
Half13.11 mi0.68 mi13855-2353998-1403998-14017582(Top 66%)6219(Top 54%)6219(Top 127%)
25K15.53 mi2.42 mi13395+4603743+2553743+25511060(Top 42%)2508(Top 22%)2508(Top 51%)
30K18.64 mi3.11 mi12675+7203358+3853358+3859659(Top 36%)2005(Top 18%)2005(Top 41%)
20M20.00 mi1.36 mi12342+3333182+1763182+1768803(Top 33%)1723(Top 15%)1723(Top 35%)
21M21.00 mi1.00 mi11969+3732993+1892993+1896595(Top 25%)992(Top 9%)992(Top 20%)
35K21.75 mi0.75 mi11796+1732910+832910+837547(Top 28%)1339(Top 12%)1339(Top 27%)
23M23.00 mi1.25 mi11345+4512685+2252685+2255829(Top 22%)770(Top 7%)770(Top 16%)
24M24.00 mi1.00 mi11015+3302533+1522533+1525242(Top 20%)651(Top 6%)651(Top 13%)
40K24.85 mi0.85 mi10724+2912411+1222411+1224899(Top 18%)629(Top 6%)629(Top 13%)
25.2M25.20 mi0.35 mi10584+1402361+502361+504197(Top 16%)523(Top 5%)523(Top 11%)
Finish26.22 mi1.02 mi10309+2752249+1122249+1124966(Top 19%)726(Top 6%)726(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13852

Females

3992

F18-39

3992

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13762

Females

3892

F18-39

3892

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13852

Females

3992

F18-39

3992

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13074

Females

3581

F18-39

3581

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17582

Females

6219

F18-39

6219

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11060

Females

2508

F18-39

2508

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9659

Females

2005

F18-39

2005

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8803

Females

1723

F18-39

1723

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6595

Females

992

F18-39

992

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7547

Females

1339

F18-39

1339

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5829

Females

770

F18-39

770

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5242

Females

651

F18-39

651

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4899

Females

629

F18-39

629

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4197

Females

523

F18-39

523

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4966

Females

726

F18-39

726

Passing Analysis

Category:
Athletes Passed
4422
Passed By
728
Net Change
+3694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14003
5K → 10K360236+124#14003#13879
10K → 15K183170+13#13879#13866
15K → 20K30761+246#13866#13620
20K → Half4239-235#13620#13855
Half → 25K4666+460#13855#13395
25K → 30K7222+720#13395#12675
30K → 20M3374+333#12675#12342
20M → 21M3752+373#12342#11969
21M → 35K1752+173#11969#11796
35K → 23M4521+451#11796#11345
23M → 24M3311+330#11345#11015
24M → 40K2910+291#11015#10724
40K → 25.2M1400+140#10724#10584
25.2M → Finish2794+275#10584#10309
TOTALS4422728+3694
📊

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