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BOSTON MARATHON 2023

Maris Jameson

Bib: 19070•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F40-44)
#0 / 1878
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
8:13/mi
25:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
51:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:17:05
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:43:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:48:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:09:43
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:38:18
↑ 181↓ 1480.2%
20M
9:41/mi
2:51:27
↑ 64↓ 500.2%
21M
10:14/mi
3:01:41
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:08:39
↑ 17↓ 861.7%
23M
9:30/mi
3:20:33
↑ 23↓ 630.6%
24M
9:19/mi
3:29:52
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:38:05
↓ 200.3%
25.2M
10:32/mi
3:41:43
↑ 13↓ 160.2%
Finish· 26.22 mi
9:45/mi
3:51:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:50
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:02:49
Pace9:22 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1125:338:1325:33
8:13
-
10K
6.21 mi11:42:5551:178:1525:44
8:17
+0:04
15K
9.32 mi12:08:431:17:058:1625:48
8:18
+0:01
20K
12.43 mi12:34:441:43:068:1826:01
8:22
+0:04
Half
13.11 mi12:40:281:48:508:185:44
8:24
+0:02
25K
15.53 mi13:01:212:09:438:2120:53
8:37
+0:13
30K
18.64 mi13:29:562:38:188:3028:35
9:12
+0:35
20M
20.00 mi13:43:052:51:278:3413:09
9:41
+0:29
21M
21.00 mi13:53:193:01:418:3910:14
10:14
+0:33
35K
21.75 mi14:00:173:08:398:406:58
9:19
-0:55
23M
23.00 mi14:12:113:20:338:4311:54
9:30
+0:11
24M
24.00 mi14:21:303:29:528:459:19
9:19
-0:11
40K
24.85 mi14:29:433:38:058:468:13
9:37
+0:18
25.2M
25.20 mi14:33:213:41:438:483:38
10:32
+0:55
Finish
26.22 mi14:43:173:51:398:509:56
9:45
-0:47

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

8:13 /mi

Average Pace

8:50 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:43

56% of race

Time at Steady Pace

1:04:59

28% of race

Time at Slower Pace

36:57

16% of race

Average Pace: 8:50 /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 mi11:17:1125:338:1325:33
8:13
#15631
10K
6.21 mi11:42:5551:178:1525:44
8:17
#16202
15K
9.32 mi12:08:431:17:058:1625:48
8:18
#16305
20K
12.43 mi12:34:441:43:068:1826:01
8:22
#16256
Half
13.11 mi12:40:281:48:508:185:44
8:24
#16298
25K
15.53 mi13:01:212:09:438:2120:53
8:37
#16416
30K
18.64 mi13:29:562:38:188:3028:35
9:12
#16730
20M
20.00 mi13:43:052:51:278:3413:09
9:41
#16964
21M
21.00 mi13:53:193:01:418:3910:14
10:14
#17106
35K
21.75 mi14:00:173:08:398:406:58
9:19
#17188
23M
23.00 mi14:12:113:20:338:4311:54
9:30
#17285
24M
24.00 mi14:21:303:29:528:459:19
9:19
#17367
40K
24.85 mi14:29:433:38:058:468:13
9:37
#17446
25.2M
25.20 mi14:33:213:41:438:483:38
10:32
#17503
Finish
26.22 mi14:43:173:51:398:509:56
9:45
#17701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156315060506016583(Top 62%)5655(Top 50%)5655(Top 301%)
10K6.21 mi3.10 mi16202-5715399-3395399-33916825(Top 63%)5764(Top 50%)5764(Top 307%)
15K9.32 mi3.11 mi16305-1035470-715470-7116583(Top 62%)5655(Top 50%)5655(Top 301%)
20K12.43 mi3.11 mi16256+495458+125458+1216101(Top 60%)5413(Top 47%)5413(Top 288%)
Half13.11 mi0.68 mi16298-425489-315489-3117212(Top 65%)6028(Top 53%)6028(Top 321%)
25K15.53 mi2.42 mi16416-1185589-1005589-10016893(Top 63%)5952(Top 52%)5952(Top 317%)
30K18.64 mi3.11 mi16730-3145817-2285817-22818170(Top 68%)6748(Top 59%)6748(Top 359%)
20M20.00 mi1.36 mi16964-2345948-1315948-13119499(Top 73%)7567(Top 66%)7567(Top 403%)
21M21.00 mi1.00 mi17106-1426052-1046052-10418826(Top 71%)7240(Top 63%)7240(Top 386%)
35K21.75 mi0.75 mi17188-826111-596111-5919219(Top 72%)7502(Top 66%)7502(Top 399%)
23M23.00 mi1.25 mi17285-976188-776188-7718358(Top 69%)7050(Top 62%)7050(Top 375%)
24M24.00 mi1.00 mi17367-826249-616249-6118533(Top 70%)7184(Top 63%)7184(Top 383%)
40K24.85 mi0.85 mi17446-796311-626311-6218732(Top 70%)7341(Top 64%)7341(Top 391%)
25.2M25.20 mi0.35 mi17503-576350-396350-3919226(Top 72%)7621(Top 67%)7621(Top 406%)
Finish26.22 mi1.02 mi17701-1986476-1266476-12620971(Top 79%)8540(Top 75%)8540(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16583

Females

5655

F40-44

5655

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16825

Females

5764

F40-44

5764

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16583

Females

5655

F40-44

5655

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16101

Females

5413

F40-44

5413

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17212

Females

6028

F40-44

6028

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16893

Females

5952

F40-44

5952

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18170

Females

6748

F40-44

6748

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19499

Females

7567

F40-44

7567

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18826

Females

7240

F40-44

7240

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19219

Females

7502

F40-44

7502

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18358

Females

7050

F40-44

7050

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18533

Females

7184

F40-44

7184

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18732

Females

7341

F40-44

7341

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19226

Females

7621

F40-44

7621

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20971

Females

8540

F40-44

8540

Passing Analysis

Category:
Athletes Passed
931
Passed By
3001
Net Change
-2070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15631
5K → 10K104675-571#15631#16202
10K → 15K153256-103#16202#16305
15K → 20K189140+49#16305#16256
20K → Half2971-42#16256#16298
Half → 25K100218-118#16298#16416
25K → 30K101415-314#16416#16730
30K → 20M29263-234#16730#16964
20M → 21M46188-142#16964#17106
21M → 35K21103-82#17106#17188
35K → 23M55152-97#17188#17285
23M → 24M43125-82#17285#17367
24M → 40K31110-79#17367#17446
40K → 25.2M1976-57#17446#17503
25.2M → Finish11209-198#17503#17701
TOTALS9313001-2070
📊

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