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BOSTON MARATHON 2025

Gretchen Mcgill

Bib: 23836•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 46%
Division (F60-64)
#0 / 624
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:34
Rank: #20205
Start → 5K
8:33/mi
26:34 split
10K· 6.21 mi
53:42
Rank: #20626 (-421)
5K → 10K
8:44/mi
27:08 split
15K· 9.32 mi
1:20:17
Rank: #20284 (+342)
10K → 15K
8:33/mi
26:35 split
20K· 12.43 mi
1:47:02
Rank: #19941 (+343)
15K → 20K
8:37/mi
26:45 split
Half· 13.11 mi
1:52:51
Rank: #19907 (+34)
20K → Half
8:32/mi
5:49 split
25K· 15.53 mi
2:13:44
Rank: #19566 (+341)
Half → 25K
8:37/mi
20:53 split
30K· 18.64 mi
2:41:41
Rank: #19195 (+371)
25K → 30K
9:00/mi
27:57 split
20M
2:53:44
Rank: #18948 (+247)
30K → 20M
8:52/mi
12:03 split
21M
3:03:02
Rank: #18706 (+242)
20M → 21M
9:18/mi
9:18 split
35K· 21.75 mi
3:09:40
Rank: #18667 (+39)
21M → 35K
8:52/mi
6:38 split
23M
3:20:59
Rank: #18514 (+153)
35K → 23M
9:02/mi
11:19 split
24M
3:29:51
Rank: #18405 (+109)
23M → 24M
8:52/mi
8:52 split
40K· 24.85 mi
3:37:31
Rank: #18334 (+71)
24M → 40K
8:58/mi
7:40 split
25.2M
3:40:52
Rank: #18281 (+53)
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:49:43
Rank: #18256 (+25)
25.2M → Finish
8:41/mi
8:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:51
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1026:348:3326:34
8:33
-
10K
6.21 mi11:55:1853:428:3927:08
8:44
+0:11
15K
9.32 mi12:21:531:20:178:3726:35
8:33
-0:11
20K
12.43 mi12:48:381:47:028:3726:45
8:37
+0:04
Half
13.11 mi12:54:271:52:518:365:49
8:32
-0:05
25K
15.53 mi13:15:202:13:448:3720:53
8:37
+0:05
30K
18.64 mi13:43:172:41:418:4027:57
9:00
+0:23
20M
20.00 mi13:55:202:53:448:4112:03
8:52
-0:08
21M
21.00 mi14:04:383:03:028:439:18
9:18
+0:26
35K
21.75 mi14:11:163:09:408:436:38
8:52
-0:26
23M
23.00 mi14:22:353:20:598:4411:19
9:02
+0:10
24M
24.00 mi14:31:273:29:518:458:52
8:52
-0:10
40K
24.85 mi14:39:073:37:318:457:40
8:58
+0:06
25.2M
25.20 mi14:42:283:40:528:463:21
9:43
+0:45
Finish
26.22 mi14:51:193:49:438:468:51
8:41
-1:02

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

8:32 /mi

Average Pace

8:46 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:46:22

99% of race

Time at Steady Pace

3:21

1% of race

Time at Slower Pace

0:00

0% 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 mi11:28:1026:348:3326:34
8:33
#20205
10K
6.21 mi11:55:1853:428:3927:08
8:44
#20626
15K
9.32 mi12:21:531:20:178:3726:35
8:33
#20284
20K
12.43 mi12:48:381:47:028:3726:45
8:37
#19941
Half
13.11 mi12:54:271:52:518:365:49
8:32
#19907
25K
15.53 mi13:15:202:13:448:3720:53
8:37
#19566
30K
18.64 mi13:43:172:41:418:4027:57
9:00
#19195
20M
20.00 mi13:55:202:53:448:4112:03
8:52
#18948
21M
21.00 mi14:04:383:03:028:439:18
9:18
#18706
35K
21.75 mi14:11:163:09:408:436:38
8:52
#18667
23M
23.00 mi14:22:353:20:598:4411:19
9:02
#18514
24M
24.00 mi14:31:273:29:518:458:52
8:52
#18405
40K
24.85 mi14:39:073:37:318:457:40
8:58
#18334
25.2M
25.20 mi14:42:283:40:528:463:21
9:43
#18281
Finish
26.22 mi14:51:193:49:438:468:51
8:41
#18256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi202057619761919676(Top 69%)7258(Top 59%)7258(Top 1163%)
10K6.21 mi3.10 mi20626-4217846-2277846-22721073(Top 74%)8056(Top 66%)8056(Top 1291%)
15K9.32 mi3.11 mi20284+3427631+2157631+21519676(Top 69%)7258(Top 59%)7258(Top 1163%)
20K12.43 mi3.11 mi19941+3437438+1937438+19318917(Top 67%)6869(Top 56%)6869(Top 1101%)
Half13.11 mi0.68 mi19907+347419+197419+1919400(Top 68%)7121(Top 58%)7121(Top 1141%)
25K15.53 mi2.42 mi19566+3417232+1877232+18717891(Top 63%)6369(Top 52%)6369(Top 1021%)
30K18.64 mi3.11 mi19195+3717070+1627070+16217682(Top 62%)6407(Top 52%)6407(Top 1027%)
20M20.00 mi1.36 mi18948+2476947+1236947+12316076(Top 57%)5644(Top 46%)5644(Top 904%)
21M21.00 mi1.00 mi18706+2426840+1076840+10715187(Top 53%)5291(Top 43%)5291(Top 848%)
35K21.75 mi0.75 mi18667+396832+86832+817628(Top 62%)6703(Top 55%)6703(Top 1074%)
23M23.00 mi1.25 mi18514+1536773+596773+5916506(Top 58%)6177(Top 51%)6177(Top 990%)
24M24.00 mi1.00 mi18405+1096739+346739+3416695(Top 59%)6320(Top 52%)6320(Top 1013%)
40K24.85 mi0.85 mi18334+716732+76732+716149(Top 57%)6130(Top 50%)6130(Top 982%)
25.2M25.20 mi0.35 mi18281+536715+176715+1715776(Top 56%)5987(Top 49%)5987(Top 959%)
Finish26.22 mi1.02 mi18256+256720-56720-517418(Top 61%)6774(Top 55%)6774(Top 1086%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19676

Females

7258

F60-64

7258

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21073

Females

8056

F60-64

8056

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19676

Females

7258

F60-64

7258

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18917

Females

6869

F60-64

6869

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19400

Females

7121

F60-64

7121

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17891

Females

6369

F60-64

6369

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17682

Females

6407

F60-64

6407

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16076

Females

5644

F60-64

5644

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15187

Females

5291

F60-64

5291

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17628

Females

6703

F60-64

6703

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16506

Females

6177

F60-64

6177

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16695

Females

6320

F60-64

6320

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16149

Females

6130

F60-64

6130

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15776

Females

5987

F60-64

5987

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17418

Females

6774

F60-64

6774

Passing Analysis

Category:
Athletes Passed
2888
Passed By
939
Net Change
+1949
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20205
5K → 10K126547-421#20205#20626
10K → 15K39957+342#20626#20284
15K → 20K38845+343#20284#19941
20K → Half4915+34#19941#19907
Half → 25K35918+341#19907#19566
25K → 30K43261+371#19566#19195
30K → 20M25912+247#19195#18948
20M → 21M25412+242#18948#18706
21M → 35K7435+39#18706#18667
35K → 23M17825+153#18667#18514
23M → 24M13526+109#18514#18405
24M → 40K10635+71#18405#18334
40K → 25.2M607+53#18334#18281
25.2M → Finish6944+25#18281#18256
TOTALS2888939+1949
📊

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