Boston Marathon logo
BOSTON MARATHON 2025

Krista Davis

Bib: 21846•F

OH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #19138
Start → 5K
26:00 | 8:22/mi
10K· 6.21 mi
52:38
Rank: #19658 (-520)
5K → 10K
26:38 | 8:34/mi
15K· 9.32 mi
1:19:33
Rank: #19889 (-231)
10K → 15K
26:55 | 8:40/mi
20K· 12.43 mi
1:47:25
Rank: #20104 (-215)
15K → 20K
27:52 | 8:58/mi
Half· 13.11 mi
1:53:28
Rank: #20153 (-49)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:16:02
Rank: #20397 (-244)
Half → 25K
22:34 | 9:18/mi
30K· 18.64 mi
2:47:03
Rank: #20690 (-293)
25K → 30K
31:01 | 9:59/mi
20M
3:00:42
Rank: #20729 (-39)
30K → 20M
13:39 | 10:03/mi
21M
3:11:44
Rank: #20787 (-58)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:19:25
Rank: #20899 (-112)
21M → 35K
7:41 | 10:16/mi
23M
3:32:32
Rank: #20990 (-91)
35K → 23M
13:07 | 10:29/mi
24M
3:42:32
Rank: #21007 (-17)
23M → 24M
10:00 | 10:00/mi
40K· 24.85 mi
3:50:59
Rank: #20975 (+32)
24M → 40K
8:27 | 9:53/mi
25.2M
3:54:45
Rank: #20956 (+19)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:04:28
Rank: #20964 (-8)
25.2M → Finish
9:43 | 9:32/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:28
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:11:00
Pace10:00 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1426:008:2226:00
8:22
-
10K
6.21 mi11:47:5252:388:2826:38
8:34
+0:12
15K
9.32 mi12:14:471:19:338:3226:55
8:40
+0:06
20K
12.43 mi12:42:391:47:258:3927:52
8:58
+0:18
Half
13.11 mi12:48:421:53:288:396:03
8:52
-0:06
25K
15.53 mi13:11:162:16:028:4522:34
9:18
+0:26
30K
18.64 mi13:42:172:47:038:5831:01
9:59
+0:41
20M
20.00 mi13:55:563:00:429:0213:39
10:03
+0:04
21M
21.00 mi14:06:583:11:449:0811:02
11:02
+0:59
35K
21.75 mi14:14:393:19:259:107:41
10:16
-0:46
23M
23.00 mi14:27:463:32:329:1413:07
10:29
+0:13
24M
24.00 mi14:37:463:42:329:1610:00
10:00
-0:29
40K
24.85 mi14:46:133:50:599:188:27
9:53
-0:07
25.2M
25.20 mi14:49:593:54:459:193:46
10:55
+1:02
Finish
26.22 mi14:59:424:04:289:209:43
9:32
-1:23

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

8:22 /mi

Average Pace

9:20 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:02

56% of race

Time at Steady Pace

1:20:31

33% of race

Time at Slower Pace

27:55

11% of race

Average Pace: 9:19 /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 mi11:21:1426:008:2226:00
8:22
#19138
10K
6.21 mi11:47:5252:388:2826:38
8:34
#19658
15K
9.32 mi12:14:471:19:338:3226:55
8:40
#19889
20K
12.43 mi12:42:391:47:258:3927:52
8:58
#20104
Half
13.11 mi12:48:421:53:288:396:03
8:52
#20153
25K
15.53 mi13:11:162:16:028:4522:34
9:18
#20397
30K
18.64 mi13:42:172:47:038:5831:01
9:59
#20690
20M
20.00 mi13:55:563:00:429:0213:39
10:03
#20729
21M
21.00 mi14:06:583:11:449:0811:02
11:02
#20787
35K
21.75 mi14:14:393:19:259:107:41
10:16
#20899
23M
23.00 mi14:27:463:32:329:1413:07
10:29
#20990
24M
24.00 mi14:37:463:42:329:1610:00
10:00
#21007
40K
24.85 mi14:46:133:50:599:188:27
9:53
#20975
25.2M
25.20 mi14:49:593:54:459:193:46
10:55
#20956
Finish
26.22 mi14:59:424:04:289:209:43
9:32
#20964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi191386987698720281(Top 71%)7587(Top 62%)7587(Top 418%)
10K6.21 mi3.10 mi19658-5207276-2897276-28920223(Top 71%)7595(Top 62%)7595(Top 419%)
15K9.32 mi3.11 mi19889-2317402-1267402-12620281(Top 71%)7587(Top 62%)7587(Top 418%)
20K12.43 mi3.11 mi20104-2157526-1247526-12420820(Top 73%)7961(Top 65%)7961(Top 439%)
Half13.11 mi0.68 mi20153-497563-377563-3721276(Top 75%)8190(Top 67%)8190(Top 452%)
25K15.53 mi2.42 mi20397-2447714-1517714-15121224(Top 75%)8217(Top 67%)8217(Top 453%)
30K18.64 mi3.11 mi20690-2937920-2067920-20621560(Top 76%)8529(Top 70%)8529(Top 470%)
20M20.00 mi1.36 mi20729-397960-407960-4021114(Top 74%)8420(Top 69%)8420(Top 464%)
21M21.00 mi1.00 mi20787-588003-438003-4321503(Top 76%)8705(Top 71%)8705(Top 480%)
35K21.75 mi0.75 mi20899-1128082-798082-7922617(Top 80%)9340(Top 76%)9340(Top 515%)
23M23.00 mi1.25 mi20990-918158-768158-7621963(Top 77%)9047(Top 74%)9047(Top 499%)
24M24.00 mi1.00 mi21007-178192-348192-3421384(Top 75%)8797(Top 72%)8797(Top 485%)
40K24.85 mi0.85 mi20975+328188+48188+420086(Top 71%)8204(Top 67%)8204(Top 453%)
25.2M25.20 mi0.35 mi20956+198186+28186+220421(Top 72%)8369(Top 68%)8369(Top 462%)
Finish26.22 mi1.02 mi20964-88205-198205-1921310(Top 75%)8817(Top 72%)8817(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20281

Females

7587

F45-49

7587

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20223

Females

7595

F45-49

7595

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20281

Females

7587

F45-49

7587

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20820

Females

7961

F45-49

7961

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21276

Females

8190

F45-49

8190

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21224

Females

8217

F45-49

8217

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21560

Females

8529

F45-49

8529

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21114

Females

8420

F45-49

8420

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21503

Females

8705

F45-49

8705

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22617

Females

9340

F45-49

9340

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21963

Females

9047

F45-49

9047

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21384

Females

8797

F45-49

8797

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20086

Females

8204

F45-49

8204

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20421

Females

8369

F45-49

8369

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21310

Females

8817

F45-49

8817

Passing Analysis

Category:
Athletes Passed
1052
Passed By
2878
Net Change
-1826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19138
5K → 10K95615-520#19138#19658
10K → 15K132363-231#19658#19889
15K → 20K118333-215#19889#20104
20K → Half1968-49#20104#20153
Half → 25K90334-244#20153#20397
25K → 30K142435-293#20397#20690
30K → 20M88127-39#20690#20729
20M → 21M82140-58#20729#20787
21M → 35K29141-112#20787#20899
35K → 23M62153-91#20899#20990
23M → 24M5673-17#20990#21007
24M → 40K6230+32#21007#20975
40K → 25.2M3920+19#20975#20956
25.2M → Finish3846-8#20956#20964
TOTALS10522878-1826
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing