Boston Marathon logo
BOSTON MARATHON 2025

Tracy Lee

Bib: 22131•F

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
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
26:52
Rank: #20744
Start → 5K
26:52 | 8:39/mi
10K· 6.21 mi
53:46
Rank: #20678 (+66)
5K → 10K
26:54 | 8:39/mi
15K· 9.32 mi
1:22:24
Rank: #21492 (-814)
10K → 15K
28:38 | 9:13/mi
20K· 12.43 mi
1:49:51
Rank: #21127 (+365)
15K → 20K
27:27 | 8:50/mi
Half· 13.11 mi
1:56:04
Rank: #21195 (-68)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:18:05
Rank: #21046 (+149)
Half → 25K
22:01 | 9:05/mi
30K· 18.64 mi
2:47:36
Rank: #20827 (+219)
25K → 30K
29:31 | 9:30/mi
20M
3:01:49
Rank: #20987 (-160)
30K → 20M
14:13 | 10:28/mi
21M
3:13:52
Rank: #21258 (-271)
20M → 21M
12:03 | 12:03/mi
35K· 21.75 mi
3:21:38
Rank: #21338 (-80)
21M → 35K
7:46 | 10:23/mi
23M
3:34:13
Rank: #21286 (+52)
35K → 23M
12:35 | 10:03/mi
24M
3:43:52
Rank: #21238 (+48)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:52:34
Rank: #21217 (+21)
24M → 40K
8:42 | 10:11/mi
25.2M
3:56:21
Rank: #21206 (+11)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:05:20
Rank: #21091 (+115)
25.2M → Finish
8:59 | 8:49/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
Time1:56:04
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:09:16
Pace9:52 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:2826:528:3926:52
8:39
-
10K
6.21 mi11:53:2253:468:3926:54
8:39
0:00
15K
9.32 mi12:22:001:22:248:5028:38
9:13
+0:34
20K
12.43 mi12:49:271:49:518:5027:27
8:50
-0:23
Half
13.11 mi12:55:401:56:048:516:13
9:07
+0:17
25K
15.53 mi13:17:412:18:058:5322:01
9:05
-0:02
30K
18.64 mi13:47:122:47:368:5929:31
9:30
+0:25
20M
20.00 mi14:01:253:01:499:0514:13
10:28
+0:58
21M
21.00 mi14:13:283:13:529:1412:03
12:03
+1:35
35K
21.75 mi14:21:143:21:389:167:46
10:23
-1:40
23M
23.00 mi14:33:493:34:139:1912:35
10:03
-0:20
24M
24.00 mi14:43:283:43:529:209:39
9:39
-0:24
40K
24.85 mi14:52:103:52:349:218:42
10:11
+0:32
25.2M
25.20 mi14:55:573:56:219:233:47
10:58
+0:47
Finish
26.22 mi15:04:564:05:209:228:59
8:49
-2:09

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

8:39 /mi

Average Pace

9:22 /mi

Slowest Pace

12:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:12

37% of race

Time at Steady Pace

1:36:02

39% of race

Time at Slower Pace

59:06

24% of race

Average Pace: 9:21 /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 mi11:26:2826:528:3926:52
8:39
#20744
10K
6.21 mi11:53:2253:468:3926:54
8:39
#20678
15K
9.32 mi12:22:001:22:248:5028:38
9:13
#21492
20K
12.43 mi12:49:271:49:518:5027:27
8:50
#21127
Half
13.11 mi12:55:401:56:048:516:13
9:07
#21195
25K
15.53 mi13:17:412:18:058:5322:01
9:05
#21046
30K
18.64 mi13:47:122:47:368:5929:31
9:30
#20827
20M
20.00 mi14:01:253:01:499:0514:13
10:28
#20987
21M
21.00 mi14:13:283:13:529:1412:03
12:03
#21258
35K
21.75 mi14:21:143:21:389:167:46
10:23
#21338
23M
23.00 mi14:33:493:34:139:1912:35
10:03
#21286
24M
24.00 mi14:43:283:43:529:209:39
9:39
#21238
40K
24.85 mi14:52:103:52:349:218:42
10:11
#21217
25.2M
25.20 mi14:55:573:56:219:233:47
10:58
#21206
Finish
26.22 mi15:04:564:05:209:228:59
8:49
#21091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207447940794022911(Top 81%)9050(Top 74%)9050(Top 695%)
10K6.21 mi3.10 mi20678+667878+627878+6220670(Top 73%)7844(Top 64%)7844(Top 602%)
15K9.32 mi3.11 mi21492-8148300-4228300-42222911(Top 81%)9050(Top 74%)9050(Top 695%)
20K12.43 mi3.11 mi21127+3658100+2008100+20020142(Top 71%)7565(Top 62%)7565(Top 581%)
Half13.11 mi0.68 mi21195-688137-378137-3722276(Top 78%)8758(Top 72%)8758(Top 672%)
25K15.53 mi2.42 mi21046+1498066+718066+7120283(Top 71%)7692(Top 63%)7692(Top 590%)
30K18.64 mi3.11 mi20827+2198003+638003+6319955(Top 70%)7642(Top 62%)7642(Top 586%)
20M20.00 mi1.36 mi20987-1608089-868089-8622316(Top 79%)9066(Top 74%)9066(Top 696%)
21M21.00 mi1.00 mi21258-2718259-1708259-17023693(Top 83%)9862(Top 81%)9862(Top 757%)
35K21.75 mi0.75 mi21338-808312-538312-5322910(Top 81%)9504(Top 78%)9504(Top 729%)
23M23.00 mi1.25 mi21286+528316-48316-420661(Top 73%)8386(Top 69%)8386(Top 644%)
24M24.00 mi1.00 mi21238+488310+68310+620215(Top 71%)8199(Top 67%)8199(Top 629%)
40K24.85 mi0.85 mi21217+218322-128322-1221017(Top 74%)8675(Top 71%)8675(Top 666%)
25.2M25.20 mi0.35 mi21206+118320+28320+220577(Top 72%)8455(Top 69%)8455(Top 649%)
Finish26.22 mi1.02 mi21091+1158271+498271+4918165(Top 64%)7174(Top 59%)7174(Top 551%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22911

Females

9050

F50-54

9050

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20670

Females

7844

F50-54

7844

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22911

Females

9050

F50-54

9050

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20142

Females

7565

F50-54

7565

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22276

Females

8758

F50-54

8758

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20283

Females

7692

F50-54

7692

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19955

Females

7642

F50-54

7642

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22316

Females

9066

F50-54

9066

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23693

Females

9862

F50-54

9862

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22910

Females

9504

F50-54

9504

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20661

Females

8386

F50-54

8386

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20215

Females

8199

F50-54

8199

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21017

Females

8675

F50-54

8675

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20577

Females

8455

F50-54

8455

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18165

Females

7174

F50-54

7174

Passing Analysis

Category:
Athletes Passed
1835
Passed By
2182
Net Change
-347
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20744
5K → 10K314248+66#20744#20678
10K → 15K50864-814#20678#21492
15K → 20K40540+365#21492#21127
20K → Half1381-68#21127#21195
Half → 25K21667+149#21195#21046
25K → 30K325106+219#21046#20827
30K → 20M53213-160#20827#20987
20M → 21M29300-271#20987#21258
21M → 35K30110-80#21258#21338
35K → 23M12169+52#21338#21286
23M → 24M7527+48#21286#21238
24M → 40K5736+21#21238#21217
40K → 25.2M2514+11#21217#21206
25.2M → Finish1227+115#21206#21091
TOTALS18352182-347
📊

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