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BOSTON MARATHON 2025

Kelli Grubbs

Bib: 24084•F

IA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:10
Rank: #22698
Start → 5K
28:10 | 9:04/mi
10K· 6.21 mi
58:02
Rank: #23679 (-981)
5K → 10K
29:52 | 9:37/mi
15K· 9.32 mi
1:28:12
Rank: #23938 (-259)
10K → 15K
30:10 | 9:43/mi
20K· 12.43 mi
1:59:17
Rank: #24010 (-72)
15K → 20K
31:05 | 10:00/mi
Half· 13.11 mi
2:05:42
Rank: #23966 (+44)
20K → Half
6:25 | 9:24/mi
25K· 15.53 mi
2:29:16
Rank: #23711 (+255)
Half → 25K
23:34 | 9:43/mi
30K· 18.64 mi
3:07:30
Rank: #24362 (-651)
25K → 30K
38:14 | 12:18/mi
20M
3:23:41
Rank: #24457 (-95)
30K → 20M
16:11 | 11:55/mi
21M
3:37:03
Rank: #24533 (-76)
20M → 21M
13:22 | 13:22/mi
35K· 21.75 mi
3:45:57
Rank: #24603 (-70)
21M → 35K
8:54 | 11:54/mi
23M
4:04:11
Rank: #24915 (-312)
35K → 23M
18:14 | 14:34/mi
24M
4:14:29
Rank: #24821 (+94)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:27:01
Rank: #25003 (-182)
24M → 40K
12:32 | 14:40/mi
25.2M
4:31:32
Rank: #25011 (-8)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
4:41:22
Rank: #24944 (+67)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:42
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:35:40
Pace11:52 /mi
📊Positive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3928:109:0428:10
9:04
-
10K
6.21 mi11:56:3158:029:2029:52
9:37
+0:33
15K
9.32 mi12:26:411:28:129:2830:10
9:43
+0:06
20K
12.43 mi12:57:461:59:179:3631:05
10:00
+0:17
Half
13.11 mi13:04:112:05:429:356:25
9:24
-0:36
25K
15.53 mi13:27:452:29:169:3723:34
9:43
+0:19
30K
18.64 mi14:05:593:07:3010:0438:14
12:18
+2:35
20M
20.00 mi14:22:103:23:4110:1116:11
11:55
-0:23
21M
21.00 mi14:35:323:37:0310:2013:22
13:22
+1:27
35K
21.75 mi14:44:263:45:5710:238:54
11:54
-1:28
23M
23.00 mi15:02:404:04:1110:3718:14
14:34
+2:40
24M
24.00 mi15:12:584:14:2910:3610:18
10:18
-4:16
40K
24.85 mi15:25:304:27:0110:4512:32
14:40
+4:22
25.2M
25.20 mi15:30:014:31:3210:474:31
13:06
-1:34
Finish
26.22 mi15:39:514:41:2210:449:50
9:39
-3:27

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

9:04 /mi

Average Pace

10:44 /mi

Slowest Pace

14:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:10

10% of race

Time at Steady Pace

2:21:14

50% of race

Time at Slower Pace

1:51:58

40% of race

Average Pace: 10:44 /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 mi11:26:3928:109:0428:10
9:04
#22698
10K
6.21 mi11:56:3158:029:2029:52
9:37
#23679
15K
9.32 mi12:26:411:28:129:2830:10
9:43
#23938
20K
12.43 mi12:57:461:59:179:3631:05
10:00
#24010
Half
13.11 mi13:04:112:05:429:356:25
9:24
#23966
25K
15.53 mi13:27:452:29:169:3723:34
9:43
#23711
30K
18.64 mi14:05:593:07:3010:0438:14
12:18
#24362
20M
20.00 mi14:22:103:23:4110:1116:11
11:55
#24457
21M
21.00 mi14:35:323:37:0310:2013:22
13:22
#24533
35K
21.75 mi14:44:263:45:5710:238:54
11:54
#24603
23M
23.00 mi15:02:404:04:1110:3718:14
14:34
#24915
24M
24.00 mi15:12:584:14:2910:3610:18
10:18
#24821
40K
24.85 mi15:25:304:27:0110:4512:32
14:40
#25003
25.2M
25.20 mi15:30:014:31:3210:474:31
13:06
#25011
Finish
26.22 mi15:39:514:41:2210:449:50
9:39
#24944
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi226989009900924305(Top 86%)9845(Top 81%)9845(Top 1578%)
10K6.21 mi3.10 mi23679-9819523-5149523-51424389(Top 86%)9906(Top 81%)9906(Top 1588%)
15K9.32 mi3.11 mi23938-2599642-1199642-11924305(Top 86%)9845(Top 81%)9845(Top 1578%)
20K12.43 mi3.11 mi24010-729700-589700-5824222(Top 85%)9844(Top 81%)9844(Top 1578%)
Half13.11 mi0.68 mi23966+449678+229678+2223248(Top 82%)9293(Top 76%)9293(Top 1489%)
25K15.53 mi2.42 mi23711+2559533+1459533+14522542(Top 79%)8955(Top 73%)8955(Top 1435%)
30K18.64 mi3.11 mi24362-6519928-3959928-39525938(Top 91%)10909(Top 89%)10909(Top 1748%)
20M20.00 mi1.36 mi24457-959990-629990-6225119(Top 88%)10543(Top 86%)10543(Top 1690%)
21M21.00 mi1.00 mi24533-7610050-6010050-6025514(Top 90%)10811(Top 88%)10811(Top 1733%)
35K21.75 mi0.75 mi24603-7010097-4710097-4725686(Top 90%)10941(Top 89%)10941(Top 1753%)
23M23.00 mi1.25 mi24915-31210283-18610283-18627679(Top 97%)11943(Top 98%)11943(Top 1914%)
24M24.00 mi1.00 mi24821+9410246+3710246+3722223(Top 78%)9256(Top 76%)9256(Top 1483%)
40K24.85 mi0.85 mi25003-18210353-10710353-10727591(Top 97%)11914(Top 97%)11914(Top 1909%)
25.2M25.20 mi0.35 mi25011-810361-810361-825128(Top 88%)10750(Top 88%)10750(Top 1723%)
Finish26.22 mi1.02 mi24944+6710334+2710334+2721694(Top 76%)9017(Top 74%)9017(Top 1445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24305

Females

9845

F60-64

9845

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24389

Females

9906

F60-64

9906

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24305

Females

9845

F60-64

9845

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24222

Females

9844

F60-64

9844

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23248

Females

9293

F60-64

9293

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22542

Females

8955

F60-64

8955

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25938

Females

10909

F60-64

10909

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25119

Females

10543

F60-64

10543

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25514

Females

10811

F60-64

10811

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25686

Females

10941

F60-64

10941

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27679

Females

11943

F60-64

11943

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22223

Females

9256

F60-64

9256

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27591

Females

11914

F60-64

11914

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25128

Females

10750

F60-64

10750

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21694

Females

9017

F60-64

9017

Passing Analysis

Category:
Athletes Passed
855
Passed By
3101
Net Change
-2246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22698
5K → 10K361017-981#22698#23679
10K → 15K80339-259#23679#23938
15K → 20K116188-72#23938#24010
20K → Half5814+44#24010#23966
Half → 25K26914+255#23966#23711
25K → 30K23674-651#23711#24362
30K → 20M35130-95#24362#24457
20M → 21M37113-76#24457#24533
21M → 35K1181-70#24533#24603
35K → 23M8320-312#24603#24915
23M → 24M962+94#24915#24821
24M → 40K5187-182#24821#25003
40K → 25.2M816-8#25003#25011
25.2M → Finish736+67#25011#24944
TOTALS8553101-2246
📊

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