Boston Marathon logo
BOSTON MARATHON 2025

Michelle Kay

Bib: 9950•F

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:46
Rank: #7878
Start → 5K
21:46 | 7:00/mi
10K· 6.21 mi
43:13
Rank: #7557 (+321)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:26
Rank: #7190 (+367)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:26:03
Rank: #7025 (+165)
15K → 20K
21:37 | 6:57/mi
Half· 13.11 mi
1:30:40
Rank: #6953 (+72)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:47:22
Rank: #6662 (+291)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:09:21
Rank: #6260 (+402)
25K → 30K
21:59 | 7:05/mi
20M
2:19:09
Rank: #6113 (+147)
30K → 20M
9:48 | 7:13/mi
21M
2:26:38
Rank: #5980 (+133)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:31:49
Rank: #5905 (+75)
21M → 35K
5:11 | 6:56/mi
23M
2:40:47
Rank: #5748 (+157)
35K → 23M
8:58 | 7:10/mi
24M
2:47:54
Rank: #5672 (+76)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:54:09
Rank: #5603 (+69)
24M → 40K
6:15 | 7:19/mi
25.2M
2:56:49
Rank: #5562 (+41)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:03:31
Rank: #5422 (+140)
25.2M → Finish
6:42 | 6:34/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
Time1:30:40
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5721:467:0021:46
7:00
-
10K
6.21 mi11:09:2443:136:5721:27
6:54
-0:06
15K
9.32 mi11:30:371:04:266:5521:13
6:50
-0:04
20K
12.43 mi11:52:141:26:036:5521:37
6:57
+0:07
Half
13.11 mi11:56:511:30:406:554:37
6:46
-0:11
25K
15.53 mi12:13:331:47:226:5516:42
6:53
+0:07
30K
18.64 mi12:35:322:09:216:5621:59
7:05
+0:12
20M
20.00 mi12:45:202:19:096:579:48
7:13
+0:08
21M
21.00 mi12:52:492:26:386:597:29
7:29
+0:16
35K
21.75 mi12:58:002:31:496:595:11
6:56
-0:33
23M
23.00 mi13:06:582:40:476:598:58
7:10
+0:14
24M
24.00 mi13:14:052:47:547:007:07
7:07
-0:03
40K
24.85 mi13:20:202:54:097:006:15
7:19
+0:12
25.2M
25.20 mi13:23:002:56:497:012:40
7:44
+0:25
Finish
26.22 mi13:29:423:03:317:006:42
6:34
-1:10

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

6:34 /mi

Average Pace

7:00 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:07

91% of race

Time at Steady Pace

16:24

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:47:5721:467:0021:46
7:00
#7878
10K
6.21 mi11:09:2443:136:5721:27
6:54
#7557
15K
9.32 mi11:30:371:04:266:5521:13
6:50
#7190
20K
12.43 mi11:52:141:26:036:5521:37
6:57
#7025
Half
13.11 mi11:56:511:30:406:554:37
6:46
#6953
25K
15.53 mi12:13:331:47:226:5516:42
6:53
#6662
30K
18.64 mi12:35:322:09:216:5621:59
7:05
#6260
20M
20.00 mi12:45:202:19:096:579:48
7:13
#6113
21M
21.00 mi12:52:492:26:386:597:29
7:29
#5980
35K
21.75 mi12:58:002:31:496:595:11
6:56
#5905
23M
23.00 mi13:06:582:40:476:598:58
7:10
#5748
24M
24.00 mi13:14:052:47:547:007:07
7:07
#5672
40K
24.85 mi13:20:202:54:097:006:15
7:19
#5603
25.2M
25.20 mi13:23:002:56:497:012:40
7:44
#5562
Finish
26.22 mi13:29:423:03:317:006:42
6:34
#5422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78789359356408(Top 23%)600(Top 5%)600(Top 11%)
10K6.21 mi3.10 mi7557+321845+90845+907270(Top 26%)765(Top 6%)765(Top 14%)
15K9.32 mi3.11 mi7190+367745+100745+1006408(Top 23%)600(Top 5%)600(Top 11%)
20K12.43 mi3.11 mi7025+165716+29716+296635(Top 23%)687(Top 6%)687(Top 13%)
Half13.11 mi0.68 mi6953+72699+17699+175938(Top 21%)536(Top 4%)536(Top 10%)
25K15.53 mi2.42 mi6662+291652+47652+475587(Top 20%)510(Top 4%)510(Top 9%)
30K18.64 mi3.11 mi6260+402605+47605+475188(Top 18%)484(Top 4%)484(Top 9%)
20M20.00 mi1.36 mi6113+147593+12593+125279(Top 19%)575(Top 5%)575(Top 11%)
21M21.00 mi1.00 mi5980+133576+17576+174568(Top 16%)504(Top 4%)504(Top 9%)
35K21.75 mi0.75 mi5905+75563+13563+134957(Top 17%)588(Top 5%)588(Top 11%)
23M23.00 mi1.25 mi5748+157550+13550+134676(Top 16%)577(Top 5%)577(Top 11%)
24M24.00 mi1.00 mi5672+76547+3547+35323(Top 19%)824(Top 7%)824(Top 15%)
40K24.85 mi0.85 mi5603+69545+2545+25719(Top 20%)1016(Top 8%)1016(Top 19%)
25.2M25.20 mi0.35 mi5562+41542+3542+34586(Top 16%)733(Top 6%)733(Top 13%)
Finish26.22 mi1.02 mi5422+140526+16526+163238(Top 11%)371(Top 3%)371(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6408

Females

600

F18-39

600

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7270

Females

765

F18-39

765

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6408

Females

600

F18-39

600

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6635

Females

687

F18-39

687

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5938

Females

536

F18-39

536

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5587

Females

510

F18-39

510

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5188

Females

484

F18-39

484

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5279

Females

575

F18-39

575

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4568

Females

504

F18-39

504

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4957

Females

588

F18-39

588

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4676

Females

577

F18-39

577

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5323

Females

824

F18-39

824

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5719

Females

1016

F18-39

1016

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4586

Females

733

F18-39

733

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3238

Females

371

F18-39

371

Passing Analysis

Category:
Athletes Passed
2747
Passed By
291
Net Change
+2456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7878
5K → 10K39675+321#7878#7557
10K → 15K38821+367#7557#7190
15K → 20K23065+165#7190#7025
20K → Half775+72#7025#6953
Half → 25K3009+291#6953#6662
25K → 30K42119+402#6662#6260
30K → 20M16013+147#6260#6113
20M → 21M1429+133#6113#5980
21M → 35K8611+75#5980#5905
35K → 23M17518+157#5905#5748
23M → 24M9418+76#5748#5672
24M → 40K8819+69#5672#5603
40K → 25.2M476+41#5603#5562
25.2M → Finish1433+140#5562#5422
TOTALS2747291+2456
📊

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