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BOSTON MARATHON 2023

Melissa Roach

Bib: 29303•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:42
Rank: #24772
Start → 5K
32:42 | 10:32/mi
10K· 6.21 mi
1:04:31
Rank: #24458 (+314)
5K → 10K
31:49 | 10:14/mi
15K· 9.32 mi
1:36:08
Rank: #24256 (+202)
10K → 15K
31:37 | 10:11/mi
20K· 12.43 mi
2:08:32
Rank: #24097 (+159)
15K → 20K
32:24 | 10:26/mi
Half· 13.11 mi
2:15:16
Rank: #24039 (+58)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:42:11
Rank: #24061 (-22)
Half → 25K
26:55 | 11:06/mi
30K· 18.64 mi
3:19:35
Rank: #24176 (-115)
25K → 30K
37:24 | 12:02/mi
20M
3:34:23
Rank: #24061 (+115)
30K → 20M
14:48 | 10:53/mi
21M
3:46:03
Rank: #23978 (+83)
20M → 21M
11:40 | 11:40/mi
35K· 21.75 mi
3:53:57
Rank: #23926 (+52)
21M → 35K
7:54 | 10:34/mi
23M
4:07:56
Rank: #23877 (+49)
35K → 23M
13:59 | 11:10/mi
24M
4:18:27
Rank: #23806 (+71)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:27:31
Rank: #23734 (+72)
24M → 40K
9:04 | 10:36/mi
25.2M
4:31:15
Rank: #23690 (+44)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:41:05
Rank: #23627 (+63)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:16
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:25:49
Pace11:07 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4632:4210:3232:42
10:32
-
10K
6.21 mi12:22:351:04:3110:2331:49
10:14
-0:18
15K
9.32 mi12:54:121:36:0810:1931:37
10:11
-0:03
20K
12.43 mi13:26:362:08:3210:2132:24
10:26
+0:15
Half
13.11 mi13:33:202:15:1610:196:44
9:52
-0:34
25K
15.53 mi14:00:152:42:1110:2626:55
11:06
+1:14
30K
18.64 mi14:37:393:19:3510:4237:24
12:02
+0:56
20M
20.00 mi14:52:273:34:2310:4314:48
10:53
-1:09
21M
21.00 mi15:04:073:46:0310:4611:40
11:40
+0:47
35K
21.75 mi15:12:013:53:5710:457:54
10:34
-1:06
23M
23.00 mi15:26:004:07:5610:4713:59
11:10
+0:36
24M
24.00 mi15:36:314:18:2710:4610:31
10:31
-0:39
40K
24.85 mi15:45:354:27:3110:469:04
10:36
+0:05
25.2M
25.20 mi15:49:194:31:1510:463:44
10:50
+0:14
Finish
26.22 mi15:59:094:41:0510:449:50
9:39
-1:11

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

9:39 /mi

Average Pace

10:44 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:00

28% of race

Time at Steady Pace

1:36:19

34% of race

Time at Slower Pace

1:44:46

37% of race

Average Pace: 10:43 /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 mi11:50:4632:4210:3232:42
10:32
#24772
10K
6.21 mi12:22:351:04:3110:2331:49
10:14
#24458
15K
9.32 mi12:54:121:36:0810:1931:37
10:11
#24256
20K
12.43 mi13:26:362:08:3210:2132:24
10:26
#24097
Half
13.11 mi13:33:202:15:1610:196:44
9:52
#24039
25K
15.53 mi14:00:152:42:1110:2626:55
11:06
#24061
30K
18.64 mi14:37:393:19:3510:4237:24
12:02
#24176
20M
20.00 mi14:52:273:34:2310:4314:48
10:53
#24061
21M
21.00 mi15:04:073:46:0310:4611:40
11:40
#23978
35K
21.75 mi15:12:013:53:5710:457:54
10:34
#23926
23M
23.00 mi15:26:004:07:5610:4713:59
11:10
#23877
24M
24.00 mi15:36:314:18:2710:4610:31
10:31
#23806
40K
24.85 mi15:45:354:27:3110:469:04
10:36
#23734
25.2M
25.20 mi15:49:194:31:1510:463:44
10:50
#23690
Finish
26.22 mi15:59:094:41:0510:449:50
9:39
#23627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24772103161031623830(Top 90%)9802(Top 86%)9802(Top 201%)
10K6.21 mi3.10 mi24458+31410136+18010136+18024211(Top 91%)10005(Top 88%)10005(Top 205%)
15K9.32 mi3.11 mi24256+20210033+10310033+10323830(Top 90%)9802(Top 86%)9802(Top 201%)
20K12.43 mi3.11 mi24097+1599946+879946+8723711(Top 89%)9749(Top 85%)9749(Top 200%)
Half13.11 mi0.68 mi24039+589917+299917+2923047(Top 87%)9380(Top 82%)9380(Top 192%)
25K15.53 mi2.42 mi24061-229938-219938-2124131(Top 91%)10022(Top 88%)10022(Top 205%)
30K18.64 mi3.11 mi24176-11510024-8610024-8624545(Top 92%)10307(Top 90%)10307(Top 211%)
20M20.00 mi1.36 mi24061+1159967+579967+5722516(Top 85%)9259(Top 81%)9259(Top 190%)
21M21.00 mi1.00 mi23978+839927+409927+4022196(Top 83%)9111(Top 80%)9111(Top 187%)
35K21.75 mi0.75 mi23926+529905+229905+2222513(Top 85%)9332(Top 82%)9332(Top 191%)
23M23.00 mi1.25 mi23877+499885+209885+2022684(Top 85%)9424(Top 83%)9424(Top 193%)
24M24.00 mi1.00 mi23806+719855+309855+3022086(Top 83%)9148(Top 80%)9148(Top 187%)
40K24.85 mi0.85 mi23734+729820+359820+3521489(Top 81%)8897(Top 78%)8897(Top 182%)
25.2M25.20 mi0.35 mi23690+449799+219799+2120097(Top 75%)8128(Top 71%)8128(Top 166%)
Finish26.22 mi1.02 mi23627+639776+239776+2320660(Top 78%)8390(Top 73%)8390(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23830

Females

9802

F18-39

9802

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24211

Females

10005

F18-39

10005

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23830

Females

9802

F18-39

9802

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23711

Females

9749

F18-39

9749

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23047

Females

9380

F18-39

9380

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24131

Females

10022

F18-39

10022

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24545

Females

10307

F18-39

10307

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22516

Females

9259

F18-39

9259

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22196

Females

9111

F18-39

9111

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22513

Females

9332

F18-39

9332

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22684

Females

9424

F18-39

9424

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22086

Females

9148

F18-39

9148

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21489

Females

8897

F18-39

8897

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20097

Females

8128

F18-39

8128

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20660

Females

8390

F18-39

8390

Passing Analysis

Category:
Athletes Passed
1669
Passed By
524
Net Change
+1145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24772
5K → 10K39480+314#24772#24458
10K → 15K25250+202#24458#24256
15K → 20K19132+159#24256#24097
20K → Half613+58#24097#24039
Half → 25K89111-22#24039#24061
25K → 30K69184-115#24061#24176
30K → 20M1238+115#24176#24061
20M → 21M9512+83#24061#23978
21M → 35K575+52#23978#23926
35K → 23M6819+49#23926#23877
23M → 24M798+71#23877#23806
24M → 40K753+72#23806#23734
40K → 25.2M462+44#23734#23690
25.2M → Finish707+63#23690#23627
TOTALS1669524+1145
📊

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