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BOSTON MARATHON 2023

Mallory Dreyer

Bib: 11468•F

IN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:58
Rank: #6708
Start → 5K
21:58 | 7:04/mi
10K· 6.21 mi
43:22
Rank: #6378 (+330)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:44
Rank: #6162 (+216)
10K → 15K
21:22 | 6:53/mi
20K· 12.43 mi
1:26:01
Rank: #5837 (+325)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:30:37
Rank: #5801 (+36)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:47:09
Rank: #5572 (+229)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:08:21
Rank: #5050 (+522)
25K → 30K
21:12 | 6:49/mi
20M
2:17:36
Rank: #4823 (+227)
30K → 20M
9:15 | 6:48/mi
21M
2:24:40
Rank: #4659 (+164)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:29:32
Rank: #4548 (+111)
21M → 35K
4:52 | 6:30/mi
23M
2:38:07
Rank: #4398 (+150)
35K → 23M
8:35 | 6:51/mi
24M
2:44:49
Rank: #4321 (+77)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:50:41
Rank: #4253 (+68)
24M → 40K
5:52 | 6:52/mi
25.2M
2:53:12
Rank: #4225 (+28)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:00:04
Rank: #4213 (+12)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0321:587:0421:58
7:04
-
10K
6.21 mi11:10:2743:226:5921:24
6:53
-0:11
15K
9.32 mi11:31:491:04:446:5721:22
6:53
0:00
20K
12.43 mi11:53:061:26:016:5521:17
6:51
-0:02
Half
13.11 mi11:57:421:30:376:554:36
6:45
-0:06
25K
15.53 mi12:14:141:47:096:5416:32
6:49
+0:04
30K
18.64 mi12:35:262:08:216:5321:12
6:49
0:00
20M
20.00 mi12:44:412:17:366:539:15
6:48
-0:01
21M
21.00 mi12:51:452:24:406:537:04
7:04
+0:16
35K
21.75 mi12:56:372:29:326:534:52
6:30
-0:34
23M
23.00 mi13:05:122:38:076:528:35
6:51
+0:21
24M
24.00 mi13:11:542:44:496:526:42
6:42
-0:09
40K
24.85 mi13:17:462:50:416:525:52
6:52
+0:10
25.2M
25.20 mi13:20:172:53:126:522:31
7:18
+0:26
Finish
26.22 mi13:27:093:00:046:526:52
6:44
-0:34

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

6:30 /mi

Average Pace

6:52 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:33

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:49:0321:587:0421:58
7:04
#6708
10K
6.21 mi11:10:2743:226:5921:24
6:53
#6378
15K
9.32 mi11:31:491:04:446:5721:22
6:53
#6162
20K
12.43 mi11:53:061:26:016:5521:17
6:51
#5837
Half
13.11 mi11:57:421:30:376:554:36
6:45
#5801
25K
15.53 mi12:14:141:47:096:5416:32
6:49
#5572
30K
18.64 mi12:35:262:08:216:5321:12
6:49
#5050
20M
20.00 mi12:44:412:17:366:539:15
6:48
#4823
21M
21.00 mi12:51:452:24:406:537:04
7:04
#4659
35K
21.75 mi12:56:372:29:326:534:52
6:30
#4548
23M
23.00 mi13:05:122:38:076:528:35
6:51
#4398
24M
24.00 mi13:11:542:44:496:526:42
6:42
#4321
40K
24.85 mi13:17:462:50:416:525:52
6:52
#4253
25.2M
25.20 mi13:20:172:53:126:522:31
7:18
#4225
Finish
26.22 mi13:27:093:00:046:526:52
6:44
#4213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67086476475801(Top 22%)484(Top 4%)484(Top 10%)
10K6.21 mi3.10 mi6378+330592+55592+556050(Top 23%)540(Top 5%)540(Top 11%)
15K9.32 mi3.11 mi6162+216550+42550+425801(Top 22%)484(Top 4%)484(Top 10%)
20K12.43 mi3.11 mi5837+325475+75475+754938(Top 19%)349(Top 3%)349(Top 7%)
Half13.11 mi0.68 mi5801+36468+7468+74850(Top 18%)344(Top 3%)344(Top 7%)
25K15.53 mi2.42 mi5572+229430+38430+384342(Top 16%)286(Top 3%)286(Top 6%)
30K18.64 mi3.11 mi5050+522361+69361+693158(Top 12%)180(Top 2%)180(Top 4%)
20M20.00 mi1.36 mi4823+227335+26335+262893(Top 11%)169(Top 1%)169(Top 3%)
21M21.00 mi1.00 mi4659+164316+19316+192502(Top 9%)138(Top 1%)138(Top 3%)
35K21.75 mi0.75 mi4548+111305+11305+112497(Top 9%)137(Top 1%)137(Top 3%)
23M23.00 mi1.25 mi4398+150286+19286+193006(Top 11%)202(Top 2%)202(Top 4%)
24M24.00 mi1.00 mi4321+77277+9277+93140(Top 12%)227(Top 2%)227(Top 5%)
40K24.85 mi0.85 mi4253+68274+3274+33161(Top 12%)261(Top 2%)261(Top 5%)
25.2M25.20 mi0.35 mi4225+28271+3271+33029(Top 11%)258(Top 2%)258(Top 5%)
Finish26.22 mi1.02 mi4213+12275-4275-43759(Top 14%)410(Top 4%)410(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5801

Females

484

F18-39

484

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6050

Females

540

F18-39

540

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5801

Females

484

F18-39

484

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4938

Females

349

F18-39

349

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4850

Females

344

F18-39

344

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4342

Females

286

F18-39

286

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3158

Females

180

F18-39

180

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2893

Females

169

F18-39

169

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2502

Females

138

F18-39

138

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2497

Females

137

F18-39

137

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3006

Females

202

F18-39

202

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3140

Females

227

F18-39

227

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3161

Females

261

F18-39

261

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3029

Females

258

F18-39

258

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3759

Females

410

F18-39

410

Passing Analysis

Category:
Athletes Passed
2709
Passed By
214
Net Change
+2495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6708
5K → 10K40474+330#6708#6378
10K → 15K24327+216#6378#6162
15K → 20K3316+325#6162#5837
20K → Half415+36#5837#5801
Half → 25K2334+229#5801#5572
25K → 30K5220+522#5572#5050
30K → 20M2303+227#5050#4823
20M → 21M1684+164#4823#4659
21M → 35K1143+111#4659#4548
35K → 23M16414+150#4548#4398
23M → 24M9215+77#4398#4321
24M → 40K7911+68#4321#4253
40K → 25.2M357+28#4253#4225
25.2M → Finish5341+12#4225#4213
TOTALS2709214+2495
📊

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