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BOSTON MARATHON 2023

Joanna Madden

Bib: 19842•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F45-49)
#0 / 1817
Top 30%
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
8:18/mi
25:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:16:53
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:42:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:07:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:34:10
↑ 181↓ 1480.2%
20M
8:34/mi
2:45:48
↑ 64↓ 500.2%
21M
9:17/mi
2:55:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:01:16
↑ 17↓ 861.7%
23M
8:26/mi
3:11:49
↑ 23↓ 630.6%
24M
8:06/mi
3:19:55
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:26:54
↓ 200.3%
25.2M
9:02/mi
3:30:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:38:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0125:488:1825:48
8:18
-
10K
6.21 mi11:48:3451:218:1625:33
8:13
-0:05
15K
9.32 mi12:14:061:16:538:1525:32
8:13
0:00
20K
12.43 mi12:39:381:42:258:1425:32
8:13
0:00
Half
13.11 mi12:45:121:47:598:145:34
8:10
-0:03
25K
15.53 mi13:05:072:07:548:1419:55
8:13
+0:03
30K
18.64 mi13:31:232:34:108:1626:16
8:27
+0:14
20M
20.00 mi13:43:012:45:488:1711:38
8:34
+0:07
21M
21.00 mi13:52:182:55:058:209:17
9:17
+0:43
35K
21.75 mi13:58:293:01:168:206:11
8:16
-1:01
23M
23.00 mi14:09:023:11:498:2010:33
8:26
+0:10
24M
24.00 mi14:17:083:19:558:208:06
8:06
-0:20
40K
24.85 mi14:24:073:26:548:196:59
8:10
+0:04
25.2M
25.20 mi14:27:143:30:018:203:07
9:02
+0:52
Finish
26.22 mi14:35:263:38:138:208:12
8:03
-0:59

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

8:03 /mi

Average Pace

8:20 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:49

94% of race

Time at Steady Pace

12:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:19 /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 mi11:23:0125:488:1825:48
8:18
#16188
10K
6.21 mi11:48:3451:218:1625:33
8:13
#16266
15K
9.32 mi12:14:061:16:538:1525:32
8:13
#16176
20K
12.43 mi12:39:381:42:258:1425:32
8:13
#15861
Half
13.11 mi12:45:121:47:598:145:34
8:10
#15837
25K
15.53 mi13:05:072:07:548:1419:55
8:13
#15568
30K
18.64 mi13:31:232:34:108:1626:16
8:27
#15256
20M
20.00 mi13:43:012:45:488:1711:38
8:34
#15166
21M
21.00 mi13:52:182:55:058:209:17
9:17
#15124
35K
21.75 mi13:58:293:01:168:206:11
8:16
#15078
23M
23.00 mi14:09:023:11:498:2010:33
8:26
#14927
24M
24.00 mi14:17:083:19:558:208:06
8:06
#14768
40K
24.85 mi14:24:073:26:548:196:59
8:10
#14628
25.2M
25.20 mi14:27:143:30:018:203:07
9:02
#14592
Finish
26.22 mi14:35:263:38:138:208:12
8:03
#14475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi161885398539815991(Top 60%)5291(Top 46%)5291(Top 291%)
10K6.21 mi3.10 mi16266-785436-385436-3816429(Top 62%)5528(Top 48%)5528(Top 304%)
15K9.32 mi3.11 mi16176+905394+425394+4215991(Top 60%)5291(Top 46%)5291(Top 291%)
20K12.43 mi3.11 mi15861+3155220+1745220+17415090(Top 57%)4767(Top 42%)4767(Top 262%)
Half13.11 mi0.68 mi15837+245207+135207+1315519(Top 58%)4991(Top 44%)4991(Top 275%)
25K15.53 mi2.42 mi15568+2695072+1355072+13514349(Top 54%)4420(Top 39%)4420(Top 243%)
30K18.64 mi3.11 mi15256+3124915+1574915+15714024(Top 53%)4345(Top 38%)4345(Top 239%)
20M20.00 mi1.36 mi15166+904882+334882+3314024(Top 53%)4424(Top 39%)4424(Top 243%)
21M21.00 mi1.00 mi15124+424876+64876+614910(Top 56%)4999(Top 44%)4999(Top 275%)
35K21.75 mi0.75 mi15078+464865+114865+1113937(Top 52%)4528(Top 40%)4528(Top 249%)
23M23.00 mi1.25 mi14927+1514789+764789+7612784(Top 48%)3963(Top 35%)3963(Top 218%)
24M24.00 mi1.00 mi14768+1594717+724717+7211983(Top 45%)3584(Top 31%)3584(Top 197%)
40K24.85 mi0.85 mi14628+1404660+574660+5711197(Top 42%)3267(Top 29%)3267(Top 180%)
25.2M25.20 mi0.35 mi14592+364644+164644+1612813(Top 48%)4146(Top 36%)4146(Top 228%)
Finish26.22 mi1.02 mi14475+1174583+614583+6112477(Top 47%)3954(Top 35%)3954(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15991

Females

5291

F45-49

5291

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16429

Females

5528

F45-49

5528

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15991

Females

5291

F45-49

5291

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15090

Females

4767

F45-49

4767

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15519

Females

4991

F45-49

4991

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14349

Females

4420

F45-49

4420

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14024

Females

4345

F45-49

4345

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14024

Females

4424

F45-49

4424

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14910

Females

4999

F45-49

4999

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13937

Females

4528

F45-49

4528

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12784

Females

3963

F45-49

3963

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11983

Females

3584

F45-49

3584

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11197

Females

3267

F45-49

3267

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12813

Females

4146

F45-49

4146

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12477

Females

3954

F45-49

3954

Passing Analysis

Category:
Athletes Passed
2494
Passed By
781
Net Change
+1713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16188
5K → 10K252330-78#16188#16266
10K → 15K236146+90#16266#16176
15K → 20K35641+315#16176#15861
20K → Half4117+24#15861#15837
Half → 25K29021+269#15837#15568
25K → 30K35341+312#15568#15256
30K → 20M13545+90#15256#15166
20M → 21M10866+42#15166#15124
21M → 35K7024+46#15124#15078
35K → 23M16211+151#15078#14927
23M → 24M1656+159#14927#14768
24M → 40K1488+140#14768#14628
40K → 25.2M4711+36#14628#14592
25.2M → Finish13114+117#14592#14475
TOTALS2494781+1713
📊

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