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BOSTON MARATHON 2025

Kristen Gregory

Bib: 9453•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Masters (Masters Women)
#0 / 6759
Top 1%
Division (F40-44)
#0 / 1718
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #6828
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:47
Rank: #7054 (-226)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:18
Rank: #7065 (-11)
10K → 15K
21:31 | 6:56/mi
20K· 12.43 mi
1:25:52
Rank: #6897 (+168)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:30:34
Rank: #6885 (+12)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:47:15
Rank: #6604 (+281)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:08:56
Rank: #6086 (+518)
25K → 30K
21:41 | 6:59/mi
20M
2:18:29
Rank: #5902 (+184)
30K → 20M
9:33 | 7:02/mi
21M
2:26:12
Rank: #5825 (+77)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:31:16
Rank: #5738 (+87)
21M → 35K
5:04 | 6:46/mi
23M
2:40:29
Rank: #5660 (+78)
35K → 23M
9:13 | 7:21/mi
24M
2:47:50
Rank: #5657 (+3)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:54:24
Rank: #5669 (-12)
24M → 40K
6:34 | 7:41/mi
25.2M
2:57:22
Rank: #5695 (-26)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:05:01
Rank: #5760 (-65)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:34
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:34:27
Pace7:12 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4921:206:5221:20
6:52
-
10K
6.21 mi11:08:1642:476:5321:27
6:54
+0:02
15K
9.32 mi11:29:471:04:186:5421:31
6:56
+0:02
20K
12.43 mi11:51:211:25:526:5521:34
6:56
0:00
Half
13.11 mi11:56:031:30:346:544:42
6:53
-0:03
25K
15.53 mi12:12:441:47:156:5416:41
6:53
0:00
30K
18.64 mi12:34:252:08:566:5521:41
6:59
+0:06
20M
20.00 mi12:43:582:18:296:559:33
7:02
+0:03
21M
21.00 mi12:51:412:26:126:587:43
7:43
+0:41
35K
21.75 mi12:56:452:31:166:575:04
6:46
-0:57
23M
23.00 mi13:05:582:40:296:599:13
7:21
+0:35
24M
24.00 mi13:13:192:47:507:007:21
7:21
0:00
40K
24.85 mi13:19:532:54:247:016:34
7:41
+0:20
25.2M
25.20 mi13:22:512:57:227:022:58
8:36
+0:55
Finish
26.22 mi13:30:303:05:017:047:39
7:30
-1:06

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

6:46 /mi

Average Pace

7:04 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:33

78% of race

Time at Slower Pace

41:28

22% of race

Average Pace: 7:03 /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 mi10:46:4921:206:5221:20
6:52
#6828
10K
6.21 mi11:08:1642:476:5321:27
6:54
#7054
15K
9.32 mi11:29:471:04:186:5421:31
6:56
#7065
20K
12.43 mi11:51:211:25:526:5521:34
6:56
#6897
Half
13.11 mi11:56:031:30:346:544:42
6:53
#6885
25K
15.53 mi12:12:441:47:156:5416:41
6:53
#6604
30K
18.64 mi12:34:252:08:566:5521:41
6:59
#6086
20M
20.00 mi12:43:582:18:296:559:33
7:02
#5902
21M
21.00 mi12:51:412:26:126:587:43
7:43
#5825
35K
21.75 mi12:56:452:31:166:575:04
6:46
#5738
23M
23.00 mi13:05:582:40:296:599:13
7:21
#5660
24M
24.00 mi13:13:192:47:507:007:21
7:21
#5657
40K
24.85 mi13:19:532:54:247:016:34
7:41
#5669
25.2M
25.20 mi13:22:512:57:227:022:58
8:36
#5695
Finish
26.22 mi13:30:303:05:017:047:39
7:30
#5760
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi68286406407134(Top 25%)766(Top 6%)766(Top 45%)
10K6.21 mi3.10 mi7054-226706-66706-667271(Top 26%)766(Top 6%)766(Top 45%)
15K9.32 mi3.11 mi7065-11717-11717-117134(Top 25%)766(Top 6%)766(Top 45%)
20K12.43 mi3.11 mi6897+168682+35682+356534(Top 23%)668(Top 5%)668(Top 39%)
Half13.11 mi0.68 mi6885+12685-3685-36740(Top 24%)718(Top 6%)718(Top 42%)
25K15.53 mi2.42 mi6604+281638+47638+475537(Top 19%)509(Top 4%)509(Top 30%)
30K18.64 mi3.11 mi6086+518578+60578+604586(Top 16%)390(Top 3%)390(Top 23%)
20M20.00 mi1.36 mi5902+184544+34544+344310(Top 15%)371(Top 3%)371(Top 22%)
21M21.00 mi1.00 mi5825+77537+7537+75758(Top 20%)833(Top 7%)833(Top 48%)
35K21.75 mi0.75 mi5738+87526+11526+114015(Top 14%)409(Top 3%)409(Top 24%)
23M23.00 mi1.25 mi5660+78529-3529-35782(Top 20%)937(Top 8%)937(Top 55%)
24M24.00 mi1.00 mi5657+3544-15544-156773(Top 24%)1382(Top 11%)1382(Top 80%)
40K24.85 mi0.85 mi5669-12563-19563-197967(Top 28%)1959(Top 16%)1959(Top 114%)
25.2M25.20 mi0.35 mi5695-26575-12575-129444(Top 33%)2721(Top 22%)2721(Top 158%)
Finish26.22 mi1.02 mi5760-65611-36611-369243(Top 33%)2630(Top 22%)2630(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7134

Females

766

F40-44

766

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7271

Females

766

F40-44

766

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7134

Females

766

F40-44

766

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6534

Females

668

F40-44

668

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6740

Females

718

F40-44

718

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5537

Females

509

F40-44

509

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4586

Females

390

F40-44

390

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4310

Females

371

F40-44

371

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5758

Females

833

F40-44

833

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4015

Females

409

F40-44

409

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5782

Females

937

F40-44

937

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6773

Females

1382

F40-44

1382

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7967

Females

1959

F40-44

1959

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9444

Females

2721

F40-44

2721

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9243

Females

2630

F40-44

2630

Passing Analysis

Category:
Athletes Passed
2011
Passed By
943
Net Change
+1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6828
5K → 10K117343-226#6828#7054
10K → 15K141152-11#7054#7065
15K → 20K23163+168#7065#6897
20K → Half3725+12#6897#6885
Half → 25K2876+281#6885#6604
25K → 30K5268+518#6604#6086
30K → 20M1917+184#6086#5902
20M → 21M10528+77#5902#5825
21M → 35K958+87#5825#5738
35K → 23M11537+78#5738#5660
23M → 24M5451+3#5660#5657
24M → 40K5062-12#5657#5669
40K → 25.2M2349-26#5669#5695
25.2M → Finish39104-65#5695#5760
TOTALS2011943+1068
📊

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