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BOSTON MARATHON 2025

Kristen Singletary

Bib: 22949•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:36
Rank: #20268
Start → 5K
26:36 | 8:34/mi
10K· 6.21 mi
53:45
Rank: #20661 (-393)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:21:34
Rank: #21009 (-348)
10K → 15K
27:49 | 8:57/mi
20K· 12.43 mi
1:50:55
Rank: #21583 (-574)
15K → 20K
29:21 | 9:27/mi
Half· 13.11 mi
1:57:14
Rank: #21657 (-74)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:20:37
Rank: #21798 (-141)
Half → 25K
23:23 | 9:39/mi
30K· 18.64 mi
2:52:52
Rank: #22076 (-278)
25K → 30K
32:15 | 10:23/mi
20M
3:08:47
Rank: #22378 (-302)
30K → 20M
15:55 | 11:43/mi
21M
3:21:42
Rank: #22579 (-201)
20M → 21M
12:55 | 12:55/mi
35K· 21.75 mi
3:30:14
Rank: #22695 (-116)
21M → 35K
8:32 | 11:24/mi
23M
3:44:08
Rank: #22748 (-53)
35K → 23M
13:54 | 11:06/mi
24M
3:54:47
Rank: #22734 (+14)
23M → 24M
10:39 | 10:39/mi
40K· 24.85 mi
4:04:48
Rank: #22824 (-90)
24M → 40K
10:01 | 11:43/mi
25.2M
4:09:20
Rank: #22896 (-72)
40K → 25.2M
4:32 | 13:09/mi
Finish· 26.22 mi
4:19:39
Rank: #22920 (-24)
25.2M → Finish
10:19 | 10:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:14
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:22:25
Pace10:52 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1126:368:3426:36
8:34
-
10K
6.21 mi11:51:2053:458:3927:09
8:44
+0:10
15K
9.32 mi12:19:091:21:348:4527:49
8:57
+0:13
20K
12.43 mi12:48:301:50:558:5629:21
9:27
+0:30
Half
13.11 mi12:54:491:57:148:576:19
9:16
-0:11
25K
15.53 mi13:18:122:20:379:0323:23
9:39
+0:23
30K
18.64 mi13:50:272:52:529:1632:15
10:23
+0:44
20M
20.00 mi14:06:223:08:479:2615:55
11:43
+1:20
21M
21.00 mi14:19:173:21:429:3612:55
12:55
+1:12
35K
21.75 mi14:27:493:30:149:408:32
11:24
-1:31
23M
23.00 mi14:41:433:44:089:4513:54
11:06
-0:18
24M
24.00 mi14:52:223:54:479:4710:39
10:39
-0:27
40K
24.85 mi15:02:234:04:489:5110:01
11:43
+1:04
25.2M
25.20 mi15:06:554:09:209:544:32
13:09
+1:26
Finish
26.22 mi15:17:144:19:399:5510:19
10:07
-3:02

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

8:34 /mi

Average Pace

9:55 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:37

54% of race

Time at Steady Pace

53:13

20% of race

Time at Slower Pace

1:05:49

25% of race

Average Pace: 9:54 /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 mi11:24:1126:368:3426:36
8:34
#20268
10K
6.21 mi11:51:2053:458:3927:09
8:44
#20661
15K
9.32 mi12:19:091:21:348:4527:49
8:57
#21009
20K
12.43 mi12:48:301:50:558:5629:21
9:27
#21583
Half
13.11 mi12:54:491:57:148:576:19
9:16
#21657
25K
15.53 mi13:18:122:20:379:0323:23
9:39
#21798
30K
18.64 mi13:50:272:52:529:1632:15
10:23
#22076
20M
20.00 mi14:06:223:08:479:2615:55
11:43
#22378
21M
21.00 mi14:19:173:21:429:3612:55
12:55
#22579
35K
21.75 mi14:27:493:30:149:408:32
11:24
#22695
23M
23.00 mi14:41:433:44:089:4513:54
11:06
#22748
24M
24.00 mi14:52:223:54:479:4710:39
10:39
#22734
40K
24.85 mi15:02:234:04:489:5110:01
11:43
#22824
25.2M
25.20 mi15:06:554:09:209:544:32
13:09
#22896
Finish
26.22 mi15:17:144:19:399:5510:19
10:07
#22920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi202687663766321837(Top 77%)8460(Top 69%)8460(Top 649%)
10K6.21 mi3.10 mi20661-3937870-2077870-20721109(Top 74%)8088(Top 66%)8088(Top 621%)
15K9.32 mi3.11 mi21009-3488047-1778047-17721837(Top 77%)8460(Top 69%)8460(Top 649%)
20K12.43 mi3.11 mi21583-5748370-3238370-32322747(Top 80%)9002(Top 74%)9002(Top 691%)
Half13.11 mi0.68 mi21657-748412-428412-4222847(Top 80%)9063(Top 74%)9063(Top 696%)
25K15.53 mi2.42 mi21798-1418497-858497-8522355(Top 79%)8852(Top 72%)8852(Top 679%)
30K18.64 mi3.11 mi22076-2788663-1668663-16622662(Top 80%)9139(Top 75%)9139(Top 701%)
20M20.00 mi1.36 mi22378-3028864-2018864-20124871(Top 88%)10407(Top 85%)10407(Top 799%)
21M21.00 mi1.00 mi22579-2018991-1278991-12724949(Top 88%)10541(Top 86%)10541(Top 809%)
35K21.75 mi0.75 mi22695-1169072-819072-8124958(Top 88%)10562(Top 86%)10562(Top 811%)
23M23.00 mi1.25 mi22748-539126-549126-5423467(Top 83%)9833(Top 80%)9833(Top 755%)
24M24.00 mi1.00 mi22734+149139-139139-1323210(Top 82%)9737(Top 80%)9737(Top 747%)
40K24.85 mi0.85 mi22824-909207-689207-6824511(Top 86%)10428(Top 85%)10428(Top 800%)
25.2M25.20 mi0.35 mi22896-729260-539260-5325249(Top 89%)10814(Top 88%)10814(Top 830%)
Finish26.22 mi1.02 mi22920-249279-199279-1923311(Top 82%)9825(Top 80%)9825(Top 754%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21837

Females

8460

F50-54

8460

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21109

Females

8088

F50-54

8088

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21837

Females

8460

F50-54

8460

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22747

Females

9002

F50-54

9002

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22847

Females

9063

F50-54

9063

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22355

Females

8852

F50-54

8852

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22662

Females

9139

F50-54

9139

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24871

Females

10407

F50-54

10407

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24949

Females

10541

F50-54

10541

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24958

Females

10562

F50-54

10562

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23467

Females

9833

F50-54

9833

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23210

Females

9737

F50-54

9737

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24511

Females

10428

F50-54

10428

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25249

Females

10814

F50-54

10814

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23311

Females

9825

F50-54

9825

Passing Analysis

Category:
Athletes Passed
787
Passed By
3439
Net Change
-2652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20268
5K → 10K135528-393#20268#20661
10K → 15K92440-348#20661#21009
15K → 20K75649-574#21009#21583
20K → Half1185-74#21583#21657
Half → 25K108249-141#21657#21798
25K → 30K106384-278#21798#22076
30K → 20M32334-302#22076#22378
20M → 21M33234-201#22378#22579
21M → 35K20136-116#22579#22695
35K → 23M55108-53#22695#22748
23M → 24M5642+14#22748#22734
24M → 40K21111-90#22734#22824
40K → 25.2M880-72#22824#22896
25.2M → Finish3559-24#22896#22920
TOTALS7873439-2652
📊

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