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BOSTON MARATHON 2023

Marissa Martz

Bib: 2294•F

MI

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:49
Rank: #21459
Start → 5K
28:49 | 9:17/mi
10K· 6.21 mi
58:24
Rank: #22049 (-590)
5K → 10K
29:35 | 9:31/mi
15K· 9.32 mi
1:31:30
Rank: #23191 (-1142)
10K → 15K
33:06 | 10:39/mi
20K· 12.43 mi
2:03:01
Rank: #23190 (+1)
15K → 20K
31:31 | 10:09/mi
Half· 13.11 mi
2:10:21
Rank: #23299 (-109)
20K → Half
7:20 | 10:45/mi
25K· 15.53 mi
2:36:36
Rank: #23391 (-92)
Half → 25K
26:15 | 10:50/mi
30K· 18.64 mi
3:14:03
Rank: #23624 (-233)
25K → 30K
37:27 | 12:03/mi
20M
3:30:40
Rank: #23725 (-101)
30K → 20M
16:37 | 12:14/mi
21M
3:42:23
Rank: #23641 (+84)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
3:51:41
Rank: #23741 (-100)
21M → 35K
9:18 | 12:26/mi
23M
4:05:28
Rank: #23672 (+69)
35K → 23M
13:47 | 11:01/mi
24M
4:16:53
Rank: #23687 (-15)
23M → 24M
11:25 | 11:25/mi
40K· 24.85 mi
4:26:10
Rank: #23642 (+45)
24M → 40K
9:17 | 10:51/mi
25.2M
4:31:26
Rank: #23712 (-70)
40K → 25.2M
5:16 | 15:16/mi
Finish· 26.22 mi
4:42:19
Rank: #23698 (+14)
25.2M → Finish
10:53 | 10:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:21
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:31:58
Pace11:36 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2928:499:1728:49
9:17
-
10K
6.21 mi11:54:0458:249:2429:35
9:31
+0:14
15K
9.32 mi12:27:101:31:309:4933:06
10:39
+1:08
20K
12.43 mi12:58:412:03:019:5431:31
10:09
-0:30
Half
13.11 mi13:06:012:10:219:577:20
10:45
+0:36
25K
15.53 mi13:32:162:36:3610:0526:15
10:50
+0:05
30K
18.64 mi14:09:433:14:0310:2537:27
12:03
+1:13
20M
20.00 mi14:26:203:30:4010:3216:37
12:14
+0:11
21M
21.00 mi14:38:033:42:2310:3511:43
11:43
-0:31
35K
21.75 mi14:47:213:51:4110:399:18
12:26
+0:43
23M
23.00 mi15:01:084:05:2810:4013:47
11:01
-1:25
24M
24.00 mi15:12:334:16:5310:4211:25
11:25
+0:24
40K
24.85 mi15:21:504:26:1010:439:17
10:51
-0:34
25.2M
25.20 mi15:27:064:31:2610:465:16
15:16
+4:25
Finish
26.22 mi15:37:594:42:1910:4710:53
10:41
-4:35

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

9:17 /mi

Average Pace

10:47 /mi

Slowest Pace

15:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:55

32% of race

Time at Steady Pace

1:52:03

40% of race

Time at Slower Pace

1:20:21

28% of race

Average Pace: 10:46 /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 mi11:24:2928:499:1728:49
9:17
#21459
10K
6.21 mi11:54:0458:249:2429:35
9:31
#22049
15K
9.32 mi12:27:101:31:309:4933:06
10:39
#23191
20K
12.43 mi12:58:412:03:019:5431:31
10:09
#23190
Half
13.11 mi13:06:012:10:219:577:20
10:45
#23299
25K
15.53 mi13:32:162:36:3610:0526:15
10:50
#23391
30K
18.64 mi14:09:433:14:0310:2537:27
12:03
#23624
20M
20.00 mi14:26:203:30:4010:3216:37
12:14
#23725
21M
21.00 mi14:38:033:42:2310:3511:43
11:43
#23641
35K
21.75 mi14:47:213:51:4110:399:18
12:26
#23741
23M
23.00 mi15:01:084:05:2810:4013:47
11:01
#23672
24M
24.00 mi15:12:334:16:5310:4211:25
11:25
#23687
40K
24.85 mi15:21:504:26:1010:439:17
10:51
#23642
25.2M
25.20 mi15:27:064:31:2610:465:16
15:16
#23712
Finish
26.22 mi15:37:594:42:1910:4710:53
10:41
#23698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214598618861824729(Top 93%)10310(Top 90%)10310(Top 211%)
10K6.21 mi3.10 mi22049-5908881-2638881-26322583(Top 85%)9132(Top 80%)9132(Top 187%)
15K9.32 mi3.11 mi23191-11429451-5709451-57024729(Top 93%)10310(Top 90%)10310(Top 211%)
20K12.43 mi3.11 mi23190+19454-39454-323203(Top 87%)9454(Top 83%)9454(Top 194%)
Half13.11 mi0.68 mi23299-1099508-549508-5424598(Top 92%)10262(Top 90%)10262(Top 210%)
25K15.53 mi2.42 mi23391-929559-519559-5123720(Top 89%)9804(Top 86%)9804(Top 201%)
30K18.64 mi3.11 mi23624-2339713-1549713-15424563(Top 92%)10316(Top 90%)10316(Top 211%)
20M20.00 mi1.36 mi23725-1019780-679780-6724468(Top 92%)10319(Top 90%)10319(Top 211%)
21M21.00 mi1.00 mi23641+849739+419739+4122274(Top 84%)9154(Top 80%)9154(Top 187%)
35K21.75 mi0.75 mi23741-1009797-589797-5825107(Top 94%)10706(Top 94%)10706(Top 219%)
23M23.00 mi1.25 mi23672+699768+299768+2922375(Top 84%)9258(Top 81%)9258(Top 190%)
24M24.00 mi1.00 mi23687-159791-239791-2323762(Top 89%)10036(Top 88%)10036(Top 205%)
40K24.85 mi0.85 mi23642+459772+199772+1922074(Top 83%)9189(Top 80%)9189(Top 188%)
25.2M25.20 mi0.35 mi23712-709812-409812-4025830(Top 97%)11088(Top 97%)11088(Top 227%)
Finish26.22 mi1.02 mi23698+149813-19813-123392(Top 88%)9855(Top 86%)9855(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24729

Females

10310

F18-39

10310

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22583

Females

9132

F18-39

9132

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24729

Females

10310

F18-39

10310

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23203

Females

9454

F18-39

9454

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24598

Females

10262

F18-39

10262

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23720

Females

9804

F18-39

9804

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24563

Females

10316

F18-39

10316

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24468

Females

10319

F18-39

10319

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22274

Females

9154

F18-39

9154

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25107

Females

10706

F18-39

10706

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22375

Females

9258

F18-39

9258

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23762

Females

10036

F18-39

10036

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22074

Females

9189

F18-39

9189

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25830

Females

11088

F18-39

11088

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23392

Females

9855

F18-39

9855

Passing Analysis

Category:
Athletes Passed
643
Passed By
2882
Net Change
-2239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21459
5K → 10K74664-590#21459#22049
10K → 15K111153-1142#22049#23191
15K → 20K121120+1#23191#23190
20K → Half6115-109#23190#23299
Half → 25K59151-92#23299#23391
25K → 30K37270-233#23391#23624
30K → 20M31132-101#23624#23725
20M → 21M917+84#23725#23641
21M → 35K2102-100#23641#23741
35K → 23M8314+69#23741#23672
23M → 24M3550-15#23672#23687
24M → 40K5510+45#23687#23642
40K → 25.2M272-70#23642#23712
25.2M → Finish3622+14#23712#23698
TOTALS6432882-2239
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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