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BOSTON MARATHON 2025

Kristin Davis

Bib: 16159•F

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:06
Rank: #11667
Start → 5K
23:06 | 7:26/mi
10K· 6.21 mi
45:46
Rank: #10917 (+750)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:08:35
Rank: #10706 (+211)
10K → 15K
22:49 | 7:21/mi
20K· 12.43 mi
1:31:35
Rank: #10490 (+216)
15K → 20K
23:00 | 7:24/mi
Half· 13.11 mi
1:36:30
Rank: #10401 (+89)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:54:32
Rank: #10216 (+185)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:52
Rank: #10145 (+71)
25K → 30K
24:20 | 7:50/mi
20M
2:29:27
Rank: #9978 (+167)
30K → 20M
10:35 | 7:47/mi
21M
2:37:36
Rank: #9830 (+148)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:43:05
Rank: #9716 (+114)
21M → 35K
5:29 | 7:20/mi
23M
2:52:47
Rank: #9608 (+108)
35K → 23M
9:42 | 7:45/mi
24M
3:00:15
Rank: #9460 (+148)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:06:45
Rank: #9359 (+101)
24M → 40K
6:30 | 7:36/mi
25.2M
3:09:32
Rank: #9275 (+84)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:16:39
Rank: #9076 (+199)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:30
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3723:067:2623:06
7:26
-
10K
6.21 mi11:20:1745:467:2222:40
7:18
-0:08
15K
9.32 mi11:43:061:08:357:2122:49
7:21
+0:03
20K
12.43 mi12:06:061:31:357:2223:00
7:24
+0:03
Half
13.11 mi12:11:011:36:307:224:55
7:12
-0:12
25K
15.53 mi12:29:031:54:327:2218:02
7:26
+0:14
30K
18.64 mi12:53:232:18:527:2724:20
7:50
+0:24
20M
20.00 mi13:03:582:29:277:2810:35
7:47
-0:03
21M
21.00 mi13:12:072:37:367:308:09
8:09
+0:22
35K
21.75 mi13:17:362:43:057:305:29
7:20
-0:49
23M
23.00 mi13:27:182:52:477:319:42
7:45
+0:25
24M
24.00 mi13:34:463:00:157:317:28
7:28
-0:17
40K
24.85 mi13:41:163:06:457:316:30
7:36
+0:08
25.2M
25.20 mi13:44:033:09:327:312:47
8:04
+0:28
Finish
26.22 mi13:51:103:16:397:307:07
6:59
-1:05

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

6:59 /mi

Average Pace

7:30 /mi

Slowest Pace

8:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:06

72% of race

Time at Steady Pace

55:33

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:57:3723:067:2623:06
7:26
#11667
10K
6.21 mi11:20:1745:467:2222:40
7:18
#10917
15K
9.32 mi11:43:061:08:357:2122:49
7:21
#10706
20K
12.43 mi12:06:061:31:357:2223:00
7:24
#10490
Half
13.11 mi12:11:011:36:307:224:55
7:12
#10401
25K
15.53 mi12:29:031:54:327:2218:02
7:26
#10216
30K
18.64 mi12:53:232:18:527:2724:20
7:50
#10145
20M
20.00 mi13:03:582:29:277:2810:35
7:47
#9978
21M
21.00 mi13:12:072:37:367:308:09
8:09
#9830
35K
21.75 mi13:17:362:43:057:305:29
7:20
#9716
23M
23.00 mi13:27:182:52:477:319:42
7:45
#9608
24M
24.00 mi13:34:463:00:157:317:28
7:28
#9460
40K
24.85 mi13:41:163:06:457:316:30
7:36
#9359
25.2M
25.20 mi13:44:033:09:327:312:47
8:04
#9275
Finish
26.22 mi13:51:103:16:397:307:07
6:59
#9076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116672613261310368(Top 37%)2060(Top 17%)2060(Top 38%)
10K6.21 mi3.10 mi10917+7502263+3502263+35010324(Top 36%)1969(Top 16%)1969(Top 36%)
15K9.32 mi3.11 mi10706+2112184+792184+7910368(Top 37%)2060(Top 17%)2060(Top 38%)
20K12.43 mi3.11 mi10490+2162094+902094+909942(Top 35%)1931(Top 16%)1931(Top 35%)
Half13.11 mi0.68 mi10401+892062+322062+329205(Top 32%)1590(Top 13%)1590(Top 29%)
25K15.53 mi2.42 mi10216+1852010+522010+529461(Top 33%)1852(Top 15%)1852(Top 34%)
30K18.64 mi3.11 mi10145+712038-282038-2810167(Top 36%)2359(Top 19%)2359(Top 43%)
20M20.00 mi1.36 mi9978+1671975+631975+638956(Top 32%)1963(Top 16%)1963(Top 36%)
21M21.00 mi1.00 mi9830+1481944+311944+318282(Top 29%)1841(Top 15%)1841(Top 34%)
35K21.75 mi0.75 mi9716+1141913+311913+317464(Top 26%)1486(Top 12%)1486(Top 27%)
23M23.00 mi1.25 mi9608+1081910+31910+38234(Top 29%)1915(Top 16%)1915(Top 35%)
24M24.00 mi1.00 mi9460+1481879+311879+317498(Top 26%)1666(Top 14%)1666(Top 30%)
40K24.85 mi0.85 mi9359+1011866+131866+137462(Top 26%)1740(Top 14%)1740(Top 32%)
25.2M25.20 mi0.35 mi9275+841853+131853+136416(Top 23%)1419(Top 12%)1419(Top 26%)
Finish26.22 mi1.02 mi9076+1991804+491804+495664(Top 20%)1130(Top 9%)1130(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10368

Females

2060

F18-39

2060

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10324

Females

1969

F18-39

1969

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10368

Females

2060

F18-39

2060

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9942

Females

1931

F18-39

1931

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9205

Females

1590

F18-39

1590

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9461

Females

1852

F18-39

1852

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10167

Females

2359

F18-39

2359

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8956

Females

1963

F18-39

1963

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8282

Females

1841

F18-39

1841

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7464

Females

1486

F18-39

1486

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8234

Females

1915

F18-39

1915

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7498

Females

1666

F18-39

1666

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7462

Females

1740

F18-39

1740

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6416

Females

1419

F18-39

1419

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5664

Females

1130

F18-39

1130

Passing Analysis

Category:
Athletes Passed
3221*
Passed By
629
Net Change
+2591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11667
5K → 10K80454+750#11667#10917
10K → 15K27968+211#10917#10706
15K → 20K28165+216#10706#10490
20K → Half956+89#10490#10401
Half → 25K24459+185#10401#10216
25K → 30K269197+71#10216#10145
30K → 20M203*36+167#10145#9978
20M → 21M17931+148#9978#9830
21M → 35K1228+114#9830#9716
35K → 23M16254+108#9716#9608
23M → 24M16517+148#9608#9460
24M → 40K12322+101#9460#9359
40K → 25.2M895+84#9359#9275
25.2M → Finish2067+199#9275#9076
TOTALS3221*629+2591

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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