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BOSTON MARATHON 2023

Rachael Harvey-Mroz

Bib: 27206•F

NH

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
10:54/mi
33:52
↑ 97↓ 3451.5%
10K· 6.21 mi
11:01/mi
1:08:05
↑ 79↓ 1380.4%
15K· 9.32 mi
11:21/mi
1:43:21
↑ 67↓ 78
20K· 12.43 mi
11:45/mi
2:19:51
↑ 106↓ 860.1%
Half· 13.11 mi
11:38/mi
2:27:47
↑ 19↓ 370.5%
25K· 15.53 mi
11:56/mi
2:56:42
↑ 66↓ 880.2%
30K· 18.64 mi
12:26/mi
3:35:21
↑ 181↓ 1480.2%
20M
13:07/mi
3:53:10
↑ 64↓ 500.2%
21M
14:15/mi
4:07:25
↑ 106↓ 241.6%
35K· 21.75 mi
11:39/mi
4:16:08
↑ 17↓ 861.7%
23M
12:35/mi
4:31:53
↑ 23↓ 630.6%
24M
11:46/mi
4:43:39
↓ 821.3%
40K· 24.85 mi
12:34/mi
4:54:24
↓ 200.3%
25.2M
15:25/mi
4:59:43
↑ 13↓ 160.2%
Finish· 26.22 mi
11:35/mi
5:11:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:47
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time2:43:44
Pace12:29 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1133:5210:5433:52
10:54
-
10K
6.21 mi12:25:241:08:0510:5734:13
11:01
+0:07
15K
9.32 mi13:00:401:43:2111:0535:16
11:21
+0:20
20K
12.43 mi13:37:102:19:5111:1536:30
11:45
+0:24
Half
13.11 mi13:45:062:27:4711:167:56
11:38
-0:07
25K
15.53 mi14:14:012:56:4211:2228:55
11:56
+0:18
30K
18.64 mi14:52:403:35:2111:3338:39
12:26
+0:30
20M
20.00 mi15:10:293:53:1011:3917:49
13:07
+0:41
21M
21.00 mi15:24:444:07:2511:4714:15
14:15
+1:08
35K
21.75 mi15:33:274:16:0811:478:43
11:39
-2:36
23M
23.00 mi15:49:124:31:5311:4915:45
12:35
+0:56
24M
24.00 mi16:00:584:43:3911:4911:46
11:46
-0:49
40K
24.85 mi16:11:434:54:2411:5110:45
12:34
+0:48
25.2M
25.20 mi16:17:024:59:4311:545:19
15:25
+2:51
Finish
26.22 mi16:28:505:11:3111:5311:48
11:35
-3:50

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

10:54 /mi

Average Pace

11:53 /mi

Slowest Pace

15:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:05

22% of race

Time at Steady Pace

2:20:54

45% of race

Time at Slower Pace

1:42:32

33% of race

Average Pace: 11:53 /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 mi11:51:1133:5210:5433:52
10:54
#25542
10K
6.21 mi12:25:241:08:0510:5734:13
11:01
#25528
15K
9.32 mi13:00:401:43:2111:0535:16
11:21
#25558
20K
12.43 mi13:37:102:19:5111:1536:30
11:45
#25535
Half
13.11 mi13:45:062:27:4711:167:56
11:38
#25547
25K
15.53 mi14:14:012:56:4211:2228:55
11:56
#25478
30K
18.64 mi14:52:403:35:2111:3338:39
12:26
#25379
20M
20.00 mi15:10:293:53:1011:3917:49
13:07
#25398
21M
21.00 mi15:24:444:07:2511:4714:15
14:15
#25398
35K
21.75 mi15:33:274:16:0811:478:43
11:39
#25365
23M
23.00 mi15:49:124:31:5311:4915:45
12:35
#25348
24M
24.00 mi16:00:584:43:3911:4911:46
11:46
#25300
40K
24.85 mi16:11:434:54:2411:5110:45
12:34
#25288
25.2M
25.20 mi16:17:024:59:4311:545:19
15:25
#25311
Finish
26.22 mi16:28:505:11:3111:5311:48
11:35
#25298
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25542107511075125559(Top 96%)10785(Top 94%)10785(Top 221%)
10K6.21 mi3.10 mi25528+1410755-410755-425486(Top 96%)10721(Top 94%)10721(Top 220%)
15K9.32 mi3.11 mi25558-3010773-1810773-1825559(Top 96%)10785(Top 94%)10785(Top 221%)
20K12.43 mi3.11 mi25535+2310769+410769+425477(Top 96%)10762(Top 94%)10762(Top 220%)
Half13.11 mi0.68 mi25547-1210778-910778-925592(Top 96%)10840(Top 95%)10840(Top 222%)
25K15.53 mi2.42 mi25478+6910750+2810750+2825093(Top 94%)10568(Top 93%)10568(Top 216%)
30K18.64 mi3.11 mi25379+9910704+4610704+4624944(Top 94%)10538(Top 92%)10538(Top 216%)
20M20.00 mi1.36 mi25398-1910726-2210726-2225266(Top 95%)10737(Top 94%)10737(Top 220%)
21M21.00 mi1.00 mi2539810732-610732-625251(Top 95%)10736(Top 94%)10736(Top 220%)
35K21.75 mi0.75 mi25365+3310717+1510717+1524302(Top 91%)10291(Top 90%)10291(Top 211%)
23M23.00 mi1.25 mi25348+1710708+910708+924667(Top 93%)10472(Top 92%)10472(Top 214%)
24M24.00 mi1.00 mi25300+4810690+1810690+1824233(Top 91%)10293(Top 90%)10293(Top 211%)
40K24.85 mi0.85 mi25288+1210684+610684+624532(Top 92%)10451(Top 91%)10451(Top 214%)
25.2M25.20 mi0.35 mi25311-2310699-1510699-1525905(Top 97%)11124(Top 97%)11124(Top 228%)
Finish26.22 mi1.02 mi25298+1310694+510694+524794(Top 93%)10557(Top 92%)10557(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25559

Females

10785

F18-39

10785

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25486

Females

10721

F18-39

10721

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25559

Females

10785

F18-39

10785

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25477

Females

10762

F18-39

10762

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25592

Females

10840

F18-39

10840

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25093

Females

10568

F18-39

10568

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

24944

Females

10538

F18-39

10538

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25266

Females

10737

F18-39

10737

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25251

Females

10736

F18-39

10736

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24302

Females

10291

F18-39

10291

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24667

Females

10472

F18-39

10472

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24233

Females

10293

F18-39

10293

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24532

Females

10451

F18-39

10451

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25905

Females

11124

F18-39

11124

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24794

Females

10557

F18-39

10557

Passing Analysis

Category:
Athletes Passed
809
Passed By
565
Net Change
+244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25542
5K → 10K154140+14#25542#25528
10K → 15K85115-30#25528#25558
15K → 20K9976+23#25558#25535
20K → Half1325-12#25535#25547
Half → 25K10132+69#25547#25478
25K → 30K13031+99#25478#25379
30K → 20M2645-19#25379#25398
20M → 21M25250#25398#25398
21M → 35K374+33#25398#25365
35K → 23M4023+17#25365#25348
23M → 24M513+48#25348#25300
24M → 40K2513+12#25300#25288
40K → 25.2M023-23#25288#25311
25.2M → Finish2310+13#25311#25298
TOTALS809565+244
📊

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