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BOSTON MARATHON 2023

Maria Concetta De Santis

Bib: 30926•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
10:06/mi
31:24
↑ 97↓ 3451.5%
10K· 6.21 mi
10:10/mi
1:03:00
↑ 79↓ 1380.4%
15K· 9.32 mi
10:24/mi
1:35:20
↑ 67↓ 78
20K· 12.43 mi
10:33/mi
2:08:08
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:15:08
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:40:51
↑ 66↓ 880.2%
30K· 18.64 mi
11:34/mi
3:16:47
↑ 181↓ 1480.2%
20M
12:23/mi
3:33:37
↑ 64↓ 500.2%
21M
14:23/mi
3:48:00
↑ 106↓ 241.6%
35K· 21.75 mi
11:22/mi
3:56:30
↑ 17↓ 861.7%
23M
12:16/mi
4:11:52
↑ 23↓ 630.6%
24M
10:38/mi
4:22:30
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:32:16
↓ 200.3%
25.2M
11:45/mi
4:36:19
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:46:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:08
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:31:33
Pace11:34 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5731:2410:0631:24
10:06
-
10K
6.21 mi12:21:331:03:0010:0831:36
10:10
+0:04
15K
9.32 mi12:53:531:35:2010:1432:20
10:24
+0:14
20K
12.43 mi13:26:412:08:0810:1932:48
10:33
+0:09
Half
13.11 mi13:33:412:15:0810:187:00
10:16
-0:17
25K
15.53 mi13:59:242:40:5110:2125:43
10:36
+0:20
30K
18.64 mi14:35:203:16:4710:3335:56
11:34
+0:58
20M
20.00 mi14:52:103:33:3710:4116:50
12:23
+0:49
21M
21.00 mi15:06:333:48:0010:5114:23
14:23
+2:00
35K
21.75 mi15:15:033:56:3010:528:30
11:22
-3:01
23M
23.00 mi15:30:254:11:5210:5715:22
12:16
+0:54
24M
24.00 mi15:41:034:22:3010:5610:38
10:38
-1:38
40K
24.85 mi15:50:494:32:1610:579:46
11:25
+0:47
25.2M
25.20 mi15:54:524:36:1910:584:03
11:45
+0:20
Finish
26.22 mi16:05:144:46:4110:5710:22
10:10
-1:35

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

10:06 /mi

Average Pace

10:57 /mi

Slowest Pace

14:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:01:51

63% of race

Time at Slower Pace

1:44:50

37% of race

Average Pace: 10:56 /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 mi11:49:5731:2410:0631:24
10:06
#23705
10K
6.21 mi12:21:331:03:0010:0831:36
10:10
#23930
15K
9.32 mi12:53:531:35:2010:1432:20
10:24
#24074
20K
12.43 mi13:26:412:08:0810:1932:48
10:33
#24038
Half
13.11 mi13:33:412:15:0810:187:00
10:16
#24016
25K
15.53 mi13:59:242:40:5110:2125:43
10:36
#23876
30K
18.64 mi14:35:203:16:4710:3335:56
11:34
#23914
20M
20.00 mi14:52:103:33:3710:4116:50
12:23
#24000
21M
21.00 mi15:06:333:48:0010:5114:23
14:23
#24126
35K
21.75 mi15:15:033:56:3010:528:30
11:22
#24127
23M
23.00 mi15:30:254:11:5210:5715:22
12:16
#24154
24M
24.00 mi15:41:034:22:3010:5610:38
10:38
#24083
40K
24.85 mi15:50:494:32:1610:579:46
11:25
#24042
25.2M
25.20 mi15:54:524:36:1910:584:03
11:45
#24030
Finish
26.22 mi16:05:144:46:4110:5710:22
10:10
#23975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi237059752975224293(Top 91%)10052(Top 88%)10052(Top 1233%)
10K6.21 mi3.10 mi23930-2259857-1059857-10524071(Top 90%)9928(Top 87%)9928(Top 1218%)
15K9.32 mi3.11 mi24074-1449933-769933-7624293(Top 91%)10052(Top 88%)10052(Top 1233%)
20K12.43 mi3.11 mi24038+369915+189915+1823939(Top 90%)9868(Top 86%)9868(Top 1211%)
Half13.11 mi0.68 mi24016+229906+99906+923794(Top 89%)9801(Top 86%)9801(Top 1203%)
25K15.53 mi2.42 mi23876+1409836+709836+7023375(Top 88%)9605(Top 84%)9605(Top 1179%)
30K18.64 mi3.11 mi23914-389869-339869-3323957(Top 90%)9992(Top 87%)9992(Top 1226%)
20M20.00 mi1.36 mi24000-869925-569925-5624619(Top 92%)10403(Top 91%)10403(Top 1276%)
21M21.00 mi1.00 mi24126-12610019-9410019-9425344(Top 95%)10779(Top 94%)10779(Top 1323%)
35K21.75 mi0.75 mi24127-110024-510024-523913(Top 90%)10087(Top 88%)10087(Top 1238%)
23M23.00 mi1.25 mi24154-2710051-2710051-2724332(Top 91%)10304(Top 90%)10304(Top 1264%)
24M24.00 mi1.00 mi24083+7110014+3710014+3722324(Top 84%)9276(Top 81%)9276(Top 1138%)
40K24.85 mi0.85 mi24042+419999+159999+1523101(Top 87%)9719(Top 85%)9719(Top 1193%)
25.2M25.20 mi0.35 mi24030+129992+79992+722083(Top 83%)9178(Top 80%)9178(Top 1126%)
Finish26.22 mi1.02 mi23975+559968+249968+2422239(Top 84%)9256(Top 81%)9256(Top 1136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24293

Females

10052

F55-59

10052

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24071

Females

9928

F55-59

9928

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24293

Females

10052

F55-59

10052

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23939

Females

9868

F55-59

9868

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23794

Females

9801

F55-59

9801

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23375

Females

9605

F55-59

9605

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23957

Females

9992

F55-59

9992

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24619

Females

10403

F55-59

10403

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25344

Females

10779

F55-59

10779

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23913

Females

10087

F55-59

10087

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24332

Females

10304

F55-59

10304

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22324

Females

9276

F55-59

9276

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23101

Females

9719

F55-59

9719

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22083

Females

9178

F55-59

9178

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22239

Females

9256

F55-59

9256

Passing Analysis

Category:
Athletes Passed
866
Passed By
1136
Net Change
-270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23705
5K → 10K101326-225#23705#23930
10K → 15K67211-144#23930#24074
15K → 20K12488+36#24074#24038
20K → Half3412+22#24038#24016
Half → 25K16525+140#24016#23876
25K → 30K96134-38#23876#23914
30K → 20M21107-86#23914#24000
20M → 21M11137-126#24000#24126
21M → 35K1718-1#24126#24127
35K → 23M2855-27#24127#24154
23M → 24M787+71#24154#24083
24M → 40K487+41#24083#24042
40K → 25.2M153+12#24042#24030
25.2M → Finish616+55#24030#23975
TOTALS8661136-270
📊

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