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BOSTON MARATHON 2025

Kristyn Smith

Bib: 8079•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
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
20:52
Rank: #5615
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:45
Rank: #5562 (+53)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:54
Rank: #5693 (-131)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:24:18
Rank: #5810 (-117)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:28:55
Rank: #5792 (+18)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:43
Rank: #5767 (+25)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:08:25
Rank: #5887 (-120)
25K → 30K
22:42 | 7:18/mi
20M
2:18:45
Rank: #5995 (-108)
30K → 20M
10:20 | 7:36/mi
21M
2:26:38
Rank: #5981 (+14)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:32:02
Rank: #5969 (+12)
21M → 35K
5:24 | 7:13/mi
23M
2:41:33
Rank: #5953 (+16)
35K → 23M
9:31 | 7:36/mi
24M
2:48:27
Rank: #5812 (+141)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:54:33
Rank: #5707 (+105)
24M → 40K
6:06 | 7:08/mi
25.2M
2:57:10
Rank: #5630 (+77)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:04:03
Rank: #5538 (+92)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:35:08
Pace7:15 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1120:526:4320:52
6:43
-
10K
6.21 mi10:50:0441:456:4320:53
6:43
0:00
15K
9.32 mi11:11:131:02:546:4521:09
6:48
+0:05
20K
12.43 mi11:32:371:24:186:4721:24
6:53
+0:05
Half
13.11 mi11:37:141:28:556:474:37
6:46
-0:07
25K
15.53 mi11:54:021:45:436:4816:48
6:56
+0:10
30K
18.64 mi12:16:442:08:256:5322:42
7:18
+0:22
20M
20.00 mi12:27:042:18:456:5610:20
7:36
+0:18
21M
21.00 mi12:34:572:26:386:597:53
7:53
+0:17
35K
21.75 mi12:40:212:32:026:595:24
7:13
-0:40
23M
23.00 mi12:49:522:41:337:019:31
7:36
+0:23
24M
24.00 mi12:56:462:48:277:016:54
6:54
-0:42
40K
24.85 mi13:02:522:54:337:016:06
7:08
+0:14
25.2M
25.20 mi13:05:292:57:107:022:37
7:35
+0:27
Finish
26.22 mi13:12:223:04:037:016:53
6:45
-0:50

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

6:43 /mi

Average Pace

7:01 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:42

84% of race

Time at Steady Pace

30:21

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:01 /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 mi10:29:1120:526:4320:52
6:43
#5615
10K
6.21 mi10:50:0441:456:4320:53
6:43
#5562
15K
9.32 mi11:11:131:02:546:4521:09
6:48
#5693
20K
12.43 mi11:32:371:24:186:4721:24
6:53
#5810
Half
13.11 mi11:37:141:28:556:474:37
6:46
#5792
25K
15.53 mi11:54:021:45:436:4816:48
6:56
#5767
30K
18.64 mi12:16:442:08:256:5322:42
7:18
#5887
20M
20.00 mi12:27:042:18:456:5610:20
7:36
#5995
21M
21.00 mi12:34:572:26:386:597:53
7:53
#5981
35K
21.75 mi12:40:212:32:026:595:24
7:13
#5969
23M
23.00 mi12:49:522:41:337:019:31
7:36
#5953
24M
24.00 mi12:56:462:48:277:016:54
6:54
#5812
40K
24.85 mi13:02:522:54:337:016:06
7:08
#5707
25.2M
25.20 mi13:05:292:57:107:022:37
7:35
#5630
Finish
26.22 mi13:12:223:04:037:016:53
6:45
#5538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi56154104106178(Top 22%)561(Top 5%)561(Top 33%)
10K6.21 mi3.10 mi5562+534104105560(Top 20%)436(Top 4%)436(Top 25%)
15K9.32 mi3.11 mi5693-131438-28438-286178(Top 22%)561(Top 5%)561(Top 33%)
20K12.43 mi3.11 mi5810-117470-32470-326113(Top 22%)579(Top 5%)579(Top 34%)
Half13.11 mi0.68 mi5792+18468+2468+25942(Top 21%)540(Top 4%)540(Top 31%)
25K15.53 mi2.42 mi5767+25474-6474-65868(Top 21%)565(Top 5%)565(Top 33%)
30K18.64 mi3.11 mi5887-120522-48522-486493(Top 23%)825(Top 7%)825(Top 48%)
20M20.00 mi1.36 mi5995-108569-47569-477721(Top 27%)1424(Top 12%)1424(Top 83%)
21M21.00 mi1.00 mi5981+14577-8577-86704(Top 24%)1173(Top 10%)1173(Top 68%)
35K21.75 mi0.75 mi5969+12584-7584-76745(Top 24%)1166(Top 10%)1166(Top 68%)
23M23.00 mi1.25 mi5953+16596-12596-127267(Top 26%)1503(Top 12%)1503(Top 87%)
24M24.00 mi1.00 mi5812+141583+13583+134125(Top 15%)482(Top 4%)482(Top 28%)
40K24.85 mi0.85 mi5707+105568+15568+154706(Top 17%)689(Top 6%)689(Top 40%)
25.2M25.20 mi0.35 mi5630+77562+6562+63893(Top 14%)527(Top 4%)527(Top 31%)
Finish26.22 mi1.02 mi5538+92551+11551+114261(Top 15%)616(Top 5%)616(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6178

Females

561

F40-44

561

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5560

Females

436

F40-44

436

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6178

Females

561

F40-44

561

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6113

Females

579

F40-44

579

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5942

Females

540

F40-44

540

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5868

Females

565

F40-44

565

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6493

Females

825

F40-44

825

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7721

Females

1424

F40-44

1424

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6704

Females

1173

F40-44

1173

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6745

Females

1166

F40-44

1166

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7267

Females

1503

F40-44

1503

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4125

Females

482

F40-44

482

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4706

Females

689

F40-44

689

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3893

Females

527

F40-44

527

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4261

Females

616

F40-44

616

Passing Analysis

Category:
Athletes Passed
1421
Passed By
1344
Net Change
+77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5615
5K → 10K212159+53#5615#5562
10K → 15K88219-131#5562#5693
15K → 20K99216-117#5693#5810
20K → Half3416+18#5810#5792
Half → 25K140115+25#5792#5767
25K → 30K146266-120#5767#5887
30K → 20M46154-108#5887#5995
20M → 21M6854+14#5995#5981
21M → 35K5240+12#5981#5969
35K → 23M9175+16#5969#5953
23M → 24M1465+141#5953#5812
24M → 40K1149+105#5812#5707
40K → 25.2M825+77#5707#5630
25.2M → Finish10311+92#5630#5538
TOTALS14211344+77
📊

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