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BOSTON MARATHON 2023

Madeline Stambaugh

Bib: 10515•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:06
Rank: #14558
Start → 5K
8:05/mi
25:06 split
10K· 6.21 mi
48:43
Rank: #13100 (+1458)
5K → 10K
7:36/mi
23:37 split
15K· 9.32 mi
1:12:10
Rank: #12179 (+921)
10K → 15K
7:33/mi
23:27 split
20K· 12.43 mi
1:35:44
Rank: #11568 (+611)
15K → 20K
7:35/mi
23:34 split
Half· 13.11 mi
1:40:55
Rank: #11522 (+46)
20K → Half
7:36/mi
5:11 split
25K· 15.53 mi
1:59:23
Rank: #11183 (+339)
Half → 25K
7:37/mi
18:28 split
30K· 18.64 mi
2:29:25
Rank: #13407 (-2224)
25K → 30K
9:40/mi
30:02 split
20M
2:40:22
Rank: #13189 (+218)
30K → 20M
8:03/mi
10:57 split
21M
2:49:10
Rank: #13100 (+89)
20M → 21M
8:48/mi
8:48 split
35K· 21.75 mi
2:54:36
Rank: #12850 (+250)
21M → 35K
7:16/mi
5:26 split
23M
3:05:42
Rank: #12993 (-143)
35K → 23M
8:52/mi
11:06 split
24M
3:13:17
Rank: #12791 (+202)
23M → 24M
7:35/mi
7:35 split
40K· 24.85 mi
3:19:43
Rank: #12562 (+229)
24M → 40K
7:31/mi
6:26 split
25.2M
3:22:24
Rank: #12434 (+128)
40K → 25.2M
7:47/mi
2:41 split
Finish· 26.22 mi
3:29:47
Rank: #12191 (+243)
25.2M → Finish
7:15/mi
7:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3925:068:0525:06
8:05
-
10K
6.21 mi11:44:1648:437:5023:37
7:36
-0:29
15K
9.32 mi12:07:431:12:107:4523:27
7:33
-0:03
20K
12.43 mi12:31:171:35:447:4223:34
7:35
+0:02
Half
13.11 mi12:36:281:40:557:425:11
7:36
+0:01
25K
15.53 mi12:54:561:59:237:4118:28
7:37
+0:01
30K
18.64 mi13:24:582:29:258:0130:02
9:40
+2:03
20M
20.00 mi13:35:552:40:228:0110:57
8:03
-1:37
21M
21.00 mi13:44:432:49:108:038:48
8:48
+0:45
35K
21.75 mi13:50:092:54:368:025:26
7:16
-1:32
23M
23.00 mi14:01:153:05:428:0411:06
8:52
+1:36
24M
24.00 mi14:08:503:13:178:037:35
7:35
-1:17
40K
24.85 mi14:15:163:19:438:026:26
7:31
-0:04
25.2M
25.20 mi14:17:573:22:248:022:41
7:47
+0:16
Finish
26.22 mi14:25:203:29:478:007:23
7:15
-0:32

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

7:15 /mi

Average Pace

8:00 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:49

6% of race

Time at Steady Pace

1:50:59

53% of race

Time at Slower Pace

1:25:59

41% of race

Average Pace: 8:00 /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 mi11:20:3925:068:0525:06
8:05
#14558
10K
6.21 mi11:44:1648:437:5023:37
7:36
#13100
15K
9.32 mi12:07:431:12:107:4523:27
7:33
#12179
20K
12.43 mi12:31:171:35:447:4223:34
7:35
#11568
Half
13.11 mi12:36:281:40:557:425:11
7:36
#11522
25K
15.53 mi12:54:561:59:237:4118:28
7:37
#11183
30K
18.64 mi13:24:582:29:258:0130:02
9:40
#13407
20M
20.00 mi13:35:552:40:228:0110:57
8:03
#13189
21M
21.00 mi13:44:432:49:108:038:48
8:48
#13100
35K
21.75 mi13:50:092:54:368:025:26
7:16
#12850
23M
23.00 mi14:01:153:05:428:0411:06
8:52
#12993
24M
24.00 mi14:08:503:13:178:037:35
7:35
#12791
40K
24.85 mi14:15:163:19:438:026:26
7:31
#12562
25.2M
25.20 mi14:17:573:22:248:022:41
7:47
#12434
Finish
26.22 mi14:25:203:29:478:007:23
7:15
#12191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145584358435810574(Top 40%)2125(Top 19%)2125(Top 44%)
10K6.21 mi3.10 mi13100+14583506+8523506+85211367(Top 43%)2535(Top 22%)2535(Top 52%)
15K9.32 mi3.11 mi12179+9212994+5122994+51210574(Top 40%)2125(Top 19%)2125(Top 44%)
20K12.43 mi3.11 mi11568+6112662+3322662+3329997(Top 38%)1915(Top 17%)1915(Top 39%)
Half13.11 mi0.68 mi11522+462639+232639+2311091(Top 42%)2433(Top 21%)2433(Top 50%)
25K15.53 mi2.42 mi11183+3392459+1802459+1809694(Top 36%)1873(Top 16%)1873(Top 38%)
30K18.64 mi3.11 mi13407-22243783-13243783-132420024(Top 75%)7778(Top 68%)7778(Top 159%)
20M20.00 mi1.36 mi13189+2183672+1113672+11110747(Top 40%)2615(Top 23%)2615(Top 54%)
21M21.00 mi1.00 mi13100+893639+333639+3312270(Top 46%)3547(Top 31%)3547(Top 73%)
35K21.75 mi0.75 mi12850+2503517+1223517+1226963(Top 26%)1104(Top 10%)1104(Top 23%)
23M23.00 mi1.25 mi12993-1433623-1063623-10615357(Top 58%)5366(Top 47%)5366(Top 110%)
24M24.00 mi1.00 mi12791+2023526+973526+978334(Top 31%)1826(Top 16%)1826(Top 37%)
40K24.85 mi0.85 mi12562+2293410+1163410+1166907(Top 26%)1338(Top 12%)1338(Top 27%)
25.2M25.20 mi0.35 mi12434+1283344+663344+665403(Top 20%)895(Top 8%)895(Top 18%)
Finish26.22 mi1.02 mi12191+2433232+1123232+1126773(Top 25%)1350(Top 12%)1350(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10574

Females

2125

F18-39

2125

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11367

Females

2535

F18-39

2535

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10574

Females

2125

F18-39

2125

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9997

Females

1915

F18-39

1915

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11091

Females

2433

F18-39

2433

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9694

Females

1873

F18-39

1873

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20024

Females

7778

F18-39

7778

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10747

Females

2615

F18-39

2615

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12270

Females

3547

F18-39

3547

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6963

Females

1104

F18-39

1104

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15357

Females

5366

F18-39

5366

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8334

Females

1826

F18-39

1826

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6907

Females

1338

F18-39

1338

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5403

Females

895

F18-39

895

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6773

Females

1350

F18-39

1350

Passing Analysis

Category:
Athletes Passed
4932
Passed By
2565
Net Change
+2367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14558
5K → 10K148830+1458#14558#13100
10K → 15K93817+921#13100#12179
15K → 20K6176+611#12179#11568
20K → Half6115+46#11568#11522
Half → 25K3489+339#11522#11183
25K → 30K92233-2224#11183#13407
30K → 20M2257+218#13407#13189
20M → 21M13243+89#13189#13100
21M → 35K2511+250#13100#12850
35K → 23M47190-143#12850#12993
23M → 24M2097+202#12993#12791
24M → 40K2301+229#12791#12562
40K → 25.2M1280+128#12562#12434
25.2M → Finish2496+243#12434#12191
TOTALS49322565+2367
📊

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