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BOSTON MARATHON 2023

Marisa Roth

Bib: 26677•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:02/mi
31:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
59:40
↑ 79↓ 1380.4%
15K· 9.32 mi
10:36/mi
1:32:36
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:06:13
↑ 106↓ 860.1%
Half· 13.11 mi
10:23/mi
2:13:18
↑ 19↓ 370.5%
25K· 15.53 mi
12:42/mi
2:44:05
↑ 66↓ 880.2%
30K· 18.64 mi
12:41/mi
3:23:29
↑ 181↓ 1480.2%
20M
12:33/mi
3:40:32
↑ 64↓ 500.2%
21M
14:43/mi
3:55:15
↑ 106↓ 241.6%
35K· 21.75 mi
11:00/mi
4:03:29
↑ 17↓ 861.7%
23M
11:29/mi
4:17:52
↑ 23↓ 630.6%
24M
10:10/mi
4:28:02
↓ 821.3%
40K· 24.85 mi
10:19/mi
4:36:51
↓ 200.3%
25.2M
13:32/mi
4:41:31
↑ 13↓ 160.2%
Finish· 26.22 mi
13:17/mi
4:55:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:18
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:41:45
Pace12:20 /mi
📊Positive Split: 21.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4131:0910:0231:09
10:02
-
10K
6.21 mi12:16:1259:409:3628:31
9:11
-0:51
15K
9.32 mi12:49:081:32:369:5632:56
10:36
+1:25
20K
12.43 mi13:22:452:06:1310:0933:37
10:49
+0:13
Half
13.11 mi13:29:502:13:1810:107:05
10:23
-0:26
25K
15.53 mi14:00:372:44:0510:3430:47
12:42
+2:19
30K
18.64 mi14:40:013:23:2910:5539:24
12:41
-0:01
20M
20.00 mi14:57:043:40:3211:0217:03
12:33
-0:08
21M
21.00 mi15:11:473:55:1511:1214:43
14:43
+2:10
35K
21.75 mi15:20:014:03:2911:128:14
11:00
-3:43
23M
23.00 mi15:34:244:17:5211:1314:23
11:29
+0:29
24M
24.00 mi15:44:344:28:0211:1010:10
10:10
-1:19
40K
24.85 mi15:53:234:36:5111:088:49
10:19
+0:09
25.2M
25.20 mi15:58:034:41:3111:104:40
13:32
+3:13
Finish
26.22 mi16:11:354:55:0311:1613:32
13:17
-0:15

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

9:11 /mi

Average Pace

11:16 /mi

Slowest Pace

14:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:50

24% of race

Time at Steady Pace

1:45:04

36% of race

Time at Slower Pace

2:00:09

41% of race

Average Pace: 11:15 /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 mi11:47:4131:0910:0231:09
10:02
#23508
10K
6.21 mi12:16:1259:409:3628:31
9:11
#22616
15K
9.32 mi12:49:081:32:369:5632:56
10:36
#23461
20K
12.43 mi13:22:452:06:1310:0933:37
10:49
#23747
Half
13.11 mi13:29:502:13:1810:107:05
10:23
#23754
25K
15.53 mi14:00:372:44:0510:3430:47
12:42
#24298
30K
18.64 mi14:40:013:23:2910:5539:24
12:41
#24545
20M
20.00 mi14:57:043:40:3211:0217:03
12:33
#24576
21M
21.00 mi15:11:473:55:1511:1214:43
14:43
#24707
35K
21.75 mi15:20:014:03:2911:128:14
11:00
#24655
23M
23.00 mi15:34:244:17:5211:1314:23
11:29
#24571
24M
24.00 mi15:44:344:28:0211:1010:10
10:10
#24455
40K
24.85 mi15:53:234:36:5111:088:49
10:19
#24351
25.2M
25.20 mi15:58:034:41:3111:104:40
13:32
#24365
Finish
26.22 mi16:11:354:55:0311:1613:32
13:17
#24501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235089649964924639(Top 93%)10254(Top 90%)10254(Top 210%)
10K6.21 mi3.10 mi22616+8929159+4909159+49021566(Top 81%)8585(Top 75%)8585(Top 176%)
15K9.32 mi3.11 mi23461-8459592-4339592-43324639(Top 93%)10254(Top 90%)10254(Top 210%)
20K12.43 mi3.11 mi23747-2869745-1539745-15324356(Top 91%)10124(Top 89%)10124(Top 207%)
Half13.11 mi0.68 mi23754-79754-99754-924008(Top 90%)9920(Top 87%)9920(Top 203%)
25K15.53 mi2.42 mi24298-54410074-32010074-32025695(Top 97%)10903(Top 95%)10903(Top 223%)
30K18.64 mi3.11 mi24545-24710230-15610230-15625161(Top 95%)10660(Top 93%)10660(Top 218%)
20M20.00 mi1.36 mi24576-3110256-2610256-2624798(Top 93%)10500(Top 92%)10500(Top 215%)
21M21.00 mi1.00 mi24707-13110336-8010336-8025574(Top 96%)10891(Top 95%)10891(Top 223%)
35K21.75 mi0.75 mi24655+5210314+2210314+2223333(Top 88%)9784(Top 86%)9784(Top 200%)
23M23.00 mi1.25 mi24571+8410268+4610268+4623237(Top 87%)9719(Top 85%)9719(Top 199%)
24M24.00 mi1.00 mi24455+11610220+4810220+4821261(Top 80%)8708(Top 76%)8708(Top 178%)
40K24.85 mi0.85 mi24351+10410168+5210168+5220798(Top 78%)8495(Top 74%)8495(Top 174%)
25.2M25.20 mi0.35 mi24365-1410181-1310181-1324566(Top 92%)10466(Top 92%)10466(Top 214%)
Finish26.22 mi1.02 mi24501-13610264-8310264-8326106(Top 98%)11219(Top 98%)11219(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24639

Females

10254

F18-39

10254

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21566

Females

8585

F18-39

8585

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24639

Females

10254

F18-39

10254

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24356

Females

10124

F18-39

10124

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24008

Females

9920

F18-39

9920

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25695

Females

10903

F18-39

10903

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25161

Females

10660

F18-39

10660

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24798

Females

10500

F18-39

10500

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25574

Females

10891

F18-39

10891

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23333

Females

9784

F18-39

9784

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23237

Females

9719

F18-39

9719

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21261

Females

8708

F18-39

8708

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20798

Females

8495

F18-39

8495

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24566

Females

10466

F18-39

10466

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26106

Females

11219

F18-39

11219

Passing Analysis

Category:
Athletes Passed
1466
Passed By
2459
Net Change
-993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23508
5K → 10K90210+892#23508#22616
10K → 15K12857-845#22616#23461
15K → 20K44330-286#23461#23747
20K → Half2229-7#23747#23754
Half → 25K10554-544#23754#24298
25K → 30K48295-247#24298#24545
30K → 20M3667-31#24545#24576
20M → 21M7138-131#24576#24707
21M → 35K586+52#24707#24655
35K → 23M928+84#24655#24571
23M → 24M1160+116#24571#24455
24M → 40K1040+104#24455#24351
40K → 25.2M1226-14#24351#24365
25.2M → Finish3139-136#24365#24501
TOTALS14662459-993
📊

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