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BOSTON MARATHON 2023

Gretchen Mills

Bib: 8805•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:45
Rank: #6265
Start → 5K
21:45 | 7:00/mi
10K· 6.21 mi
43:05
Rank: #6082 (+183)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:04:16
Rank: #5821 (+261)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:26:12
Rank: #5963 (-142)
15K → 20K
21:56 | 7:04/mi
Half· 13.11 mi
1:30:58
Rank: #5990 (-27)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:17
Rank: #6037 (-47)
Half → 25K
17:19 | 7:09/mi
30K· 18.64 mi
2:11:42
Rank: #6216 (-179)
25K → 30K
23:25 | 7:32/mi
20M
2:22:22
Rank: #6345 (-129)
30K → 20M
10:40 | 7:51/mi
21M
2:30:39
Rank: #6417 (-72)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:36:11
Rank: #6438 (-21)
21M → 35K
5:32 | 7:24/mi
23M
2:45:55
Rank: #6495 (-57)
35K → 23M
9:44 | 7:46/mi
24M
2:53:37
Rank: #6549 (-54)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:00:25
Rank: #6576 (-27)
24M → 40K
6:48 | 7:57/mi
25.2M
3:03:21
Rank: #6612 (-36)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:11:01
Rank: #6646 (-34)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4421:457:0021:45
7:00
-
10K
6.21 mi11:09:0443:056:5621:20
6:52
-0:08
15K
9.32 mi11:30:151:04:166:5421:11
6:49
-0:03
20K
12.43 mi11:52:111:26:126:5621:56
7:04
+0:15
Half
13.11 mi11:56:571:30:586:564:46
6:59
-0:05
25K
15.53 mi12:14:161:48:176:5817:19
7:09
+0:10
30K
18.64 mi12:37:412:11:427:0423:25
7:32
+0:23
20M
20.00 mi12:48:212:22:227:0710:40
7:51
+0:19
21M
21.00 mi12:56:382:30:397:108:17
8:17
+0:26
35K
21.75 mi13:02:102:36:117:115:32
7:24
-0:53
23M
23.00 mi13:11:542:45:557:139:44
7:46
+0:22
24M
24.00 mi13:19:362:53:377:147:42
7:42
-0:04
40K
24.85 mi13:26:243:00:257:166:48
7:57
+0:15
25.2M
25.20 mi13:29:203:03:217:172:56
8:30
+0:33
Finish
26.22 mi13:37:003:11:017:177:40
7:31
-0:59

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

6:49 /mi

Average Pace

7:17 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:17

57% of race

Time at Steady Pace

54:03

28% of race

Time at Slower Pace

28:41

15% of race

Average Pace: 7:17 /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 mi10:47:4421:457:0021:45
7:00
#6265
10K
6.21 mi11:09:0443:056:5621:20
6:52
#6082
15K
9.32 mi11:30:151:04:166:5421:11
6:49
#5821
20K
12.43 mi11:52:111:26:126:5621:56
7:04
#5963
Half
13.11 mi11:56:571:30:586:564:46
6:59
#5990
25K
15.53 mi12:14:161:48:176:5817:19
7:09
#6037
30K
18.64 mi12:37:412:11:427:0423:25
7:32
#6216
20M
20.00 mi12:48:212:22:227:0710:40
7:51
#6345
21M
21.00 mi12:56:382:30:397:108:17
8:17
#6417
35K
21.75 mi13:02:102:36:117:115:32
7:24
#6438
23M
23.00 mi13:11:542:45:557:139:44
7:46
#6495
24M
24.00 mi13:19:362:53:377:147:42
7:42
#6549
40K
24.85 mi13:26:243:00:257:166:48
7:57
#6576
25.2M
25.20 mi13:29:203:03:217:172:56
8:30
#6612
Finish
26.22 mi13:37:003:11:017:177:40
7:31
#6646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62655475475309(Top 20%)402(Top 4%)402(Top 8%)
10K6.21 mi3.10 mi6082+183527+20527+205898(Top 22%)511(Top 4%)511(Top 10%)
15K9.32 mi3.11 mi5821+261477+50477+505309(Top 20%)402(Top 4%)402(Top 8%)
20K12.43 mi3.11 mi5963-142513-36513-366353(Top 24%)610(Top 5%)610(Top 12%)
Half13.11 mi0.68 mi5990-27517-4517-46518(Top 24%)641(Top 6%)641(Top 13%)
25K15.53 mi2.42 mi6037-47522-5522-56362(Top 24%)663(Top 6%)663(Top 14%)
30K18.64 mi3.11 mi6216-179584-62584-627478(Top 28%)1096(Top 10%)1096(Top 22%)
20M20.00 mi1.36 mi6345-129623-39623-399227(Top 35%)1886(Top 17%)1886(Top 39%)
21M21.00 mi1.00 mi6417-72657-34657-349143(Top 34%)1975(Top 17%)1975(Top 40%)
35K21.75 mi0.75 mi6438-21669-12669-127793(Top 29%)1401(Top 12%)1401(Top 29%)
23M23.00 mi1.25 mi6495-57698-29698-298242(Top 31%)1680(Top 15%)1680(Top 34%)
24M24.00 mi1.00 mi6549-54723-25723-259093(Top 34%)2137(Top 19%)2137(Top 44%)
40K24.85 mi0.85 mi6576-27754-31754-319736(Top 37%)2512(Top 22%)2512(Top 51%)
25.2M25.20 mi0.35 mi6612-36771-17771-179584(Top 36%)2467(Top 22%)2467(Top 51%)
Finish26.22 mi1.02 mi6646-34790-19790-198736(Top 33%)2116(Top 19%)2116(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5309

Females

402

F18-39

402

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5898

Females

511

F18-39

511

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5309

Females

402

F18-39

402

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6353

Females

610

F18-39

610

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6518

Females

641

F18-39

641

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6362

Females

663

F18-39

663

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7478

Females

1096

F18-39

1096

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9227

Females

1886

F18-39

1886

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9143

Females

1975

F18-39

1975

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7793

Females

1401

F18-39

1401

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8242

Females

1680

F18-39

1680

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9093

Females

2137

F18-39

2137

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9736

Females

2512

F18-39

2512

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9584

Females

2467

F18-39

2467

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8736

Females

2116

F18-39

2116

Passing Analysis

Category:
Athletes Passed
1061
Passed By
1442
Net Change
-381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6265
5K → 10K285102+183#6265#6082
10K → 15K30342+261#6082#5821
15K → 20K54196-142#5821#5963
20K → Half1542-27#5963#5990
Half → 25K59106-47#5990#6037
25K → 30K72251-179#6037#6216
30K → 20M24153-129#6216#6345
20M → 21M34106-72#6345#6417
21M → 35K3152-21#6417#6438
35K → 23M50107-57#6438#6495
23M → 24M3589-54#6495#6549
24M → 40K4774-27#6549#6576
40K → 25.2M1450-36#6576#6612
25.2M → Finish3872-34#6612#6646
TOTALS10611442-381
📊

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