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BOSTON MARATHON 2025

Keri Marshall

Bib: 25631•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #19976
Start → 5K
26:27 | 8:31/mi
10K· 6.21 mi
54:15
Rank: #21068 (-1092)
5K → 10K
27:48 | 8:57/mi
15K· 9.32 mi
1:24:04
Rank: #22367 (-1299)
10K → 15K
29:49 | 9:36/mi
20K· 12.43 mi
1:56:41
Rank: #23431 (-1064)
15K → 20K
32:37 | 10:30/mi
Half· 13.11 mi
2:03:12
Rank: #23444 (-13)
20K → Half
6:31 | 9:33/mi
25K· 15.53 mi
2:29:46
Rank: #23807 (-363)
Half → 25K
26:34 | 10:57/mi
30K· 18.64 mi
3:04:18
Rank: #23917 (-110)
25K → 30K
34:32 | 11:07/mi
20M
3:19:33
Rank: #23947 (-30)
30K → 20M
15:15 | 11:13/mi
21M
3:32:18
Rank: #24023 (-76)
20M → 21M
12:45 | 12:45/mi
35K· 21.75 mi
3:40:32
Rank: #24029 (-6)
21M → 35K
8:14 | 11:00/mi
23M
3:54:15
Rank: #23953 (+76)
35K → 23M
13:43 | 10:57/mi
24M
4:04:48
Rank: #23914 (+39)
23M → 24M
10:33 | 10:33/mi
40K· 24.85 mi
4:13:49
Rank: #23849 (+65)
24M → 40K
9:01 | 10:33/mi
25.2M
4:17:55
Rank: #23837 (+12)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:27:47
Rank: #23792 (+45)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:12
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:24:35
Pace11:02 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3526:278:3126:27
8:31
-
10K
6.21 mi12:09:2354:158:4427:48
8:57
+0:26
15K
9.32 mi12:39:121:24:049:0129:49
9:36
+0:39
20K
12.43 mi13:11:491:56:419:2332:37
10:30
+0:54
Half
13.11 mi13:18:202:03:129:246:31
9:33
-0:57
25K
15.53 mi13:44:542:29:469:3826:34
10:57
+1:24
30K
18.64 mi14:19:263:04:189:5334:32
11:07
+0:10
20M
20.00 mi14:34:413:19:339:5915:15
11:13
+0:06
21M
21.00 mi14:47:263:32:1810:0712:45
12:45
+1:32
35K
21.75 mi14:55:403:40:3210:088:14
11:00
-1:45
23M
23.00 mi15:09:233:54:1510:1113:43
10:57
-0:03
24M
24.00 mi15:19:564:04:4810:1210:33
10:33
-0:24
40K
24.85 mi15:28:574:13:4910:139:01
10:33
0:00
25.2M
25.20 mi15:33:034:17:5510:144:06
11:53
+1:20
Finish
26.22 mi15:42:554:27:4710:139:52
9:41
-2:12

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

8:31 /mi

Average Pace

10:13 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:27

38% of race

Time at Steady Pace

1:40:42

38% of race

Time at Slower Pace

1:06:38

25% of race

Average Pace: 10:13 /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 mi11:41:3526:278:3126:27
8:31
#19976
10K
6.21 mi12:09:2354:158:4427:48
8:57
#21068
15K
9.32 mi12:39:121:24:049:0129:49
9:36
#22367
20K
12.43 mi13:11:491:56:419:2332:37
10:30
#23431
Half
13.11 mi13:18:202:03:129:246:31
9:33
#23444
25K
15.53 mi13:44:542:29:469:3826:34
10:57
#23807
30K
18.64 mi14:19:263:04:189:5334:32
11:07
#23917
20M
20.00 mi14:34:413:19:339:5915:15
11:13
#23947
21M
21.00 mi14:47:263:32:1810:0712:45
12:45
#24023
35K
21.75 mi14:55:403:40:3210:088:14
11:00
#24029
23M
23.00 mi15:09:233:54:1510:1113:43
10:57
#23953
24M
24.00 mi15:19:564:04:4810:1210:33
10:33
#23914
40K
24.85 mi15:28:574:13:4910:139:01
10:33
#23849
25.2M
25.20 mi15:33:034:17:5510:144:06
11:53
#23837
Finish
26.22 mi15:42:554:27:4710:139:52
9:41
#23792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi199767492749224010(Top 85%)9675(Top 79%)9675(Top 4358%)
10K6.21 mi3.10 mi21068-10928090-5988090-59822158(Top 78%)8691(Top 71%)8691(Top 3915%)
15K9.32 mi3.11 mi22367-12998791-7018791-70124010(Top 85%)9675(Top 79%)9675(Top 4358%)
20K12.43 mi3.11 mi23431-10649359-5689359-56825194(Top 89%)10370(Top 85%)10370(Top 4671%)
Half13.11 mi0.68 mi23444-139366-79366-723739(Top 84%)9562(Top 78%)9562(Top 4307%)
25K15.53 mi2.42 mi23807-3639588-2229588-22225146(Top 89%)10370(Top 85%)10370(Top 4671%)
30K18.64 mi3.11 mi23917-1109685-979685-9724231(Top 85%)9986(Top 82%)9986(Top 4498%)
20M20.00 mi1.36 mi23947-309720-359720-3524057(Top 85%)9982(Top 82%)9982(Top 4496%)
21M21.00 mi1.00 mi24023-769780-609780-6024737(Top 87%)10428(Top 85%)10428(Top 4697%)
35K21.75 mi0.75 mi24029-69797-179797-1724219(Top 85%)10177(Top 83%)10177(Top 4584%)
23M23.00 mi1.25 mi23953+769779+189779+1823130(Top 81%)9679(Top 79%)9679(Top 4360%)
24M24.00 mi1.00 mi23914+399762+179762+1722968(Top 81%)9622(Top 79%)9622(Top 4334%)
40K24.85 mi0.85 mi23849+659743+199743+1922062(Top 78%)9234(Top 76%)9234(Top 4159%)
25.2M25.20 mi0.35 mi23837+129743974323028(Top 81%)9671(Top 79%)9671(Top 4356%)
Finish26.22 mi1.02 mi23792+459730+139730+1321877(Top 77%)9102(Top 74%)9102(Top 4100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24010

Females

9675

F65-69

9675

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22158

Females

8691

F65-69

8691

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24010

Females

9675

F65-69

9675

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25194

Females

10370

F65-69

10370

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23739

Females

9562

F65-69

9562

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25146

Females

10370

F65-69

10370

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24231

Females

9986

F65-69

9986

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24057

Females

9982

F65-69

9982

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24737

Females

10428

F65-69

10428

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24219

Females

10177

F65-69

10177

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23130

Females

9679

F65-69

9679

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22968

Females

9622

F65-69

9622

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22062

Females

9234

F65-69

9234

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23028

Females

9671

F65-69

9671

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21877

Females

9102

F65-69

9102

Passing Analysis

Category:
Athletes Passed
736
Passed By
4552
Net Change
-3816
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19976
5K → 10K381130-1092#19976#21068
10K → 15K301329-1299#21068#22367
15K → 20K211085-1064#22367#23431
20K → Half2336-13#23431#23444
Half → 25K39402-363#23444#23807
25K → 30K113223-110#23807#23917
30K → 20M71101-30#23917#23947
20M → 21M35111-76#23947#24023
21M → 35K3541-6#24023#24029
35K → 23M10024+76#24029#23953
23M → 24M6728+39#23953#23914
24M → 40K7611+65#23914#23849
40K → 25.2M2513+12#23849#23837
25.2M → Finish6318+45#23837#23792
TOTALS7364552-3816
📊

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