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BOSTON MARATHON 2023

Melissa Porter

Bib: 30448•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
9:03/mi
28:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
55:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:16/mi
1:24:40
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:51:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:57:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:15/mi
2:19:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:48:07
↑ 181↓ 1480.2%
20M
9:06/mi
3:00:29
↑ 64↓ 500.2%
21M
10:10/mi
3:10:39
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:17:35
↑ 17↓ 861.7%
23M
9:34/mi
3:29:34
↑ 23↓ 630.6%
24M
10:12/mi
3:39:46
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:47:59
↓ 200.3%
25.2M
10:47/mi
3:51:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
4:01:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:13
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:03:55
Pace9:27 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4728:069:0328:06
9:03
-
10K
6.21 mi12:14:3455:539:0027:47
8:57
-0:06
15K
9.32 mi12:43:211:24:409:0528:47
9:16
+0:19
20K
12.43 mi13:10:141:51:338:5926:53
8:39
-0:37
Half
13.11 mi13:15:541:57:138:565:40
8:18
-0:21
25K
15.53 mi13:38:202:19:398:5922:26
9:15
+0:57
30K
18.64 mi14:06:482:48:079:0128:28
9:10
-0:05
20M
20.00 mi14:19:103:00:299:0112:22
9:06
-0:04
21M
21.00 mi14:29:203:10:399:0510:10
10:10
+1:04
35K
21.75 mi14:36:163:17:359:056:56
9:16
-0:54
23M
23.00 mi14:48:153:29:349:0711:59
9:34
+0:18
24M
24.00 mi14:58:273:39:469:0910:12
10:12
+0:38
40K
24.85 mi15:06:403:47:599:108:13
9:37
-0:35
25.2M
25.20 mi15:10:233:51:429:123:43
10:47
+1:10
Finish
26.22 mi15:19:494:01:089:129:26
9:15
-1:32

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

8:18 /mi

Average Pace

9:12 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:33

13% of race

Time at Steady Pace

2:44:18

68% of race

Time at Slower Pace

44:17

18% of race

Average Pace: 9:12 /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 mi11:46:4728:069:0328:06
9:03
#20647
10K
6.21 mi12:14:3455:539:0027:47
8:57
#20632
15K
9.32 mi12:43:211:24:409:0528:47
9:16
#20961
20K
12.43 mi13:10:141:51:338:5926:53
8:39
#20252
Half
13.11 mi13:15:541:57:138:565:40
8:18
#20084
25K
15.53 mi13:38:202:19:398:5922:26
9:15
#20070
30K
18.64 mi14:06:482:48:079:0128:28
9:10
#19678
20M
20.00 mi14:19:103:00:299:0112:22
9:06
#19474
21M
21.00 mi14:29:203:10:399:0510:10
10:10
#19411
35K
21.75 mi14:36:163:17:359:056:56
9:16
#19391
23M
23.00 mi14:48:153:29:349:0711:59
9:34
#19358
24M
24.00 mi14:58:273:39:469:0910:12
10:12
#19491
40K
24.85 mi15:06:403:47:599:108:13
9:37
#19470
25.2M
25.20 mi15:10:233:51:429:123:43
10:47
#19486
Finish
26.22 mi15:19:494:01:089:129:26
9:15
#19496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi206478196819621530(Top 81%)8516(Top 75%)8516(Top 174%)
10K6.21 mi3.10 mi20632+158107+898107+8920656(Top 78%)8067(Top 71%)8067(Top 165%)
15K9.32 mi3.11 mi20961-3298270-1638270-16321530(Top 81%)8516(Top 75%)8516(Top 174%)
20K12.43 mi3.11 mi20252+7097865+4057865+40517838(Top 67%)6421(Top 56%)6421(Top 131%)
Half13.11 mi0.68 mi20084+1687763+1027763+10216590(Top 62%)5673(Top 50%)5673(Top 116%)
25K15.53 mi2.42 mi20070+147745+187745+1820034(Top 75%)7712(Top 68%)7712(Top 158%)
30K18.64 mi3.11 mi19678+3927537+2087537+20818004(Top 68%)6655(Top 58%)6655(Top 136%)
20M20.00 mi1.36 mi19474+2047437+1007437+10017102(Top 64%)6232(Top 55%)6232(Top 128%)
21M21.00 mi1.00 mi19411+637407+307407+3018621(Top 70%)7124(Top 62%)7124(Top 146%)
35K21.75 mi0.75 mi19391+207398+97398+919044(Top 72%)7414(Top 65%)7414(Top 152%)
23M23.00 mi1.25 mi19358+337385+137385+1318631(Top 70%)7208(Top 63%)7208(Top 148%)
24M24.00 mi1.00 mi19491-1337478-937478-9321334(Top 80%)8742(Top 77%)8742(Top 179%)
40K24.85 mi0.85 mi19470+217475+37475+318752(Top 70%)7361(Top 64%)7361(Top 151%)
25.2M25.20 mi0.35 mi19486-167487-127487-1219934(Top 75%)8023(Top 70%)8023(Top 164%)
Finish26.22 mi1.02 mi19496-107499-127499-1219201(Top 72%)7555(Top 66%)7555(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21530

Females

8516

F18-39

8516

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20656

Females

8067

F18-39

8067

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21530

Females

8516

F18-39

8516

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17838

Females

6421

F18-39

6421

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16590

Females

5673

F18-39

5673

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20034

Females

7712

F18-39

7712

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18004

Females

6655

F18-39

6655

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17102

Females

6232

F18-39

6232

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18621

Females

7124

F18-39

7124

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19044

Females

7414

F18-39

7414

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18631

Females

7208

F18-39

7208

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21334

Females

8742

F18-39

8742

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18752

Females

7361

F18-39

7361

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19934

Females

8023

F18-39

8023

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19201

Females

7555

F18-39

7555

Passing Analysis

Category:
Athletes Passed
2421
Passed By
1270
Net Change
+1151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20647
5K → 10K313298+15#20647#20632
10K → 15K68397-329#20632#20961
15K → 20K7156+709#20961#20252
20K → Half1691+168#20252#20084
Half → 25K142128+14#20084#20070
25K → 30K41018+392#20070#19678
30K → 20M2128+204#19678#19474
20M → 21M10845+63#19474#19411
21M → 35K5333+20#19411#19391
35K → 23M8552+33#19391#19358
23M → 24M33166-133#19358#19491
24M → 40K5534+21#19491#19470
40K → 25.2M1531-16#19470#19486
25.2M → Finish4353-10#19486#19496
TOTALS24211270+1151
📊

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