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BOSTON MARATHON 2023

Gretchen Mcgill

Bib: 23166•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F55-59)
#0 / 815
Top 22%
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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
52:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:36
↑ 67↓ 78
20K· 12.43 mi
8:41/mi
1:46:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:52:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:14:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:41:52
↑ 181↓ 1480.2%
20M
9:05/mi
2:54:12
↑ 64↓ 500.2%
21M
9:11/mi
3:03:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:09:55
↑ 17↓ 861.7%
23M
8:58/mi
3:21:08
↑ 23↓ 630.6%
24M
8:46/mi
3:29:54
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:37:34
↓ 200.3%
25.2M
10:00/mi
3:41:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:49:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0726:178:2826:17
8:28
-
10K
6.21 mi11:47:4952:598:3226:42
8:36
+0:08
15K
9.32 mi12:14:261:19:368:3226:37
8:34
-0:02
20K
12.43 mi12:41:241:46:348:3526:58
8:41
+0:07
Half
13.11 mi12:47:121:52:228:345:48
8:30
-0:11
25K
15.53 mi13:08:522:14:028:3821:40
8:56
+0:26
30K
18.64 mi13:36:422:41:528:4127:50
8:58
+0:02
20M
20.00 mi13:49:022:54:128:4312:20
9:05
+0:07
21M
21.00 mi13:58:133:03:238:449:11
9:11
+0:06
35K
21.75 mi14:04:453:09:558:446:32
8:44
-0:27
23M
23.00 mi14:15:583:21:088:4511:13
8:58
+0:14
24M
24.00 mi14:24:443:29:548:458:46
8:46
-0:12
40K
24.85 mi14:32:243:37:348:457:40
8:58
+0:12
25.2M
25.20 mi14:35:513:41:018:463:27
10:00
+1:02
Finish
26.22 mi14:44:413:49:518:468:50
8:40
-1:20

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

8:28 /mi

Average Pace

8:46 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:46:24

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:27

2% of race

Average Pace: 8:46 /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 mi11:21:0726:178:2826:17
8:28
#17287
10K
6.21 mi11:47:4952:598:3226:42
8:36
#18071
15K
9.32 mi12:14:261:19:368:3226:37
8:34
#18113
20K
12.43 mi12:41:241:46:348:3526:58
8:41
#18057
Half
13.11 mi12:47:121:52:228:345:48
8:30
#18026
25K
15.53 mi13:08:522:14:028:3821:40
8:56
#18132
30K
18.64 mi13:36:422:41:528:4127:50
8:58
#17876
20M
20.00 mi13:49:022:54:128:4312:20
9:05
#17778
21M
21.00 mi13:58:133:03:238:449:11
9:11
#17585
35K
21.75 mi14:04:453:09:558:446:32
8:44
#17543
23M
23.00 mi14:15:583:21:088:4511:13
8:58
#17437
24M
24.00 mi14:24:443:29:548:458:46
8:46
#17377
40K
24.85 mi14:32:243:37:348:457:40
8:58
#17316
25.2M
25.20 mi14:35:513:41:018:463:27
10:00
#17317
Finish
26.22 mi14:44:413:49:518:468:50
8:40
#17314
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi172876119611918247(Top 69%)6641(Top 58%)6641(Top 815%)
10K6.21 mi3.10 mi18071-7846577-4586577-45818809(Top 71%)6966(Top 61%)6966(Top 855%)
15K9.32 mi3.11 mi18113-426590-136590-1318247(Top 69%)6641(Top 58%)6641(Top 815%)
20K12.43 mi3.11 mi18057+566548+426548+4218003(Top 68%)6509(Top 57%)6509(Top 799%)
Half13.11 mi0.68 mi18026+316529+196529+1917751(Top 67%)6329(Top 55%)6329(Top 777%)
25K15.53 mi2.42 mi18132-1066609-806609-8018646(Top 70%)6927(Top 61%)6927(Top 850%)
30K18.64 mi3.11 mi17876+2566490+1196490+11916959(Top 64%)6044(Top 53%)6044(Top 742%)
20M20.00 mi1.36 mi17778+986446+446446+4416945(Top 64%)6125(Top 54%)6125(Top 752%)
21M21.00 mi1.00 mi17585+1936348+986348+9814431(Top 54%)4736(Top 41%)4736(Top 581%)
35K21.75 mi0.75 mi17543+426336+126336+1216622(Top 62%)6062(Top 53%)6062(Top 744%)
23M23.00 mi1.25 mi17437+1066284+526284+5215865(Top 60%)5665(Top 50%)5665(Top 695%)
24M24.00 mi1.00 mi17377+606255+296255+2916053(Top 60%)5840(Top 51%)5840(Top 717%)
40K24.85 mi0.85 mi17316+616238+176238+1715999(Top 60%)5857(Top 51%)5857(Top 719%)
25.2M25.20 mi0.35 mi17317-16244-66244-617431(Top 65%)6664(Top 58%)6664(Top 818%)
Finish26.22 mi1.02 mi17314+36253-96253-916358(Top 61%)6027(Top 53%)6027(Top 740%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18247

Females

6641

F55-59

6641

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18809

Females

6966

F55-59

6966

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18247

Females

6641

F55-59

6641

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18003

Females

6509

F55-59

6509

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17751

Females

6329

F55-59

6329

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18646

Females

6927

F55-59

6927

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16959

Females

6044

F55-59

6044

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16945

Females

6125

F55-59

6125

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14431

Females

4736

F55-59

4736

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16622

Females

6062

F55-59

6062

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15865

Females

5665

F55-59

5665

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16053

Females

5840

F55-59

5840

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15999

Females

5857

F55-59

5857

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17431

Females

6664

F55-59

6664

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16358

Females

6027

F55-59

6027

Passing Analysis

Category:
Athletes Passed
1730
Passed By
1757
Net Change
-27
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17287
5K → 10K80864-784#17287#18071
10K → 15K170212-42#18071#18113
15K → 20K196140+56#18113#18057
20K → Half4514+31#18057#18026
Half → 25K89195-106#18026#18132
25K → 30K32771+256#18132#17876
30K → 20M14143+98#17876#17778
20M → 21M20613+193#17778#17585
21M → 35K6321+42#17585#17543
35K → 23M13933+106#17543#17437
23M → 24M8929+60#17437#17377
24M → 40K9736+61#17377#17316
40K → 25.2M2930-1#17316#17317
25.2M → Finish5956+3#17317#17314
TOTALS17301757-27
📊

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