Boston Marathon logo
BOSTON MARATHON 2025

Nicole Thompson

Bib: 16243•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F40-44)
#0 / 1718
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #13493
Start → 5K
23:45 | 7:39/mi
10K· 6.21 mi
47:08
Rank: #12895 (+598)
5K → 10K
23:23 | 7:32/mi
15K· 9.32 mi
1:10:29
Rank: #12530 (+365)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:34:33
Rank: #12557 (-27)
15K → 20K
24:04 | 7:45/mi
Half· 13.11 mi
1:39:44
Rank: #12566 (-9)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:58:41
Rank: #12527 (+39)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:24:19
Rank: #12602 (-75)
25K → 30K
25:38 | 8:15/mi
20M
2:35:45
Rank: #12627 (-25)
30K → 20M
11:26 | 8:25/mi
21M
2:45:28
Rank: #12931 (-304)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:51:39
Rank: #12970 (-39)
21M → 35K
6:11 | 8:16/mi
23M
3:03:05
Rank: #13221 (-251)
35K → 23M
11:26 | 9:08/mi
24M
3:12:31
Rank: #13561 (-340)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:21:18
Rank: #14038 (-477)
24M → 40K
8:47 | 10:16/mi
25.2M
3:24:56
Rank: #14142 (-104)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:33:56
Rank: #14271 (-129)
25.2M → Finish
9:00 | 8:50/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
Time1:39:44
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:54:12
Pace8:43 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1623:457:3923:45
7:39
-
10K
6.21 mi11:21:3947:087:3523:23
7:32
-0:07
15K
9.32 mi11:45:001:10:297:3423:21
7:31
-0:01
20K
12.43 mi12:09:041:34:337:3624:04
7:45
+0:14
Half
13.11 mi12:14:151:39:447:365:11
7:36
-0:09
25K
15.53 mi12:33:121:58:417:3818:57
7:49
+0:13
30K
18.64 mi12:58:502:24:197:4525:38
8:15
+0:26
20M
20.00 mi13:10:162:35:457:4711:26
8:25
+0:10
21M
21.00 mi13:19:592:45:287:539:43
9:43
+1:18
35K
21.75 mi13:26:102:51:397:546:11
8:16
-1:27
23M
23.00 mi13:37:363:03:057:5811:26
9:08
+0:52
24M
24.00 mi13:47:023:12:318:019:26
9:26
+0:18
40K
24.85 mi13:55:493:21:188:068:47
10:16
+0:50
25.2M
25.20 mi13:59:273:24:568:083:38
10:32
+0:16
Finish
26.22 mi14:08:273:33:568:109:00
8:50
-1:42

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

7:31 /mi

Average Pace

8:10 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:44

47% of race

Time at Steady Pace

1:02:12

29% of race

Time at Slower Pace

52:00

24% of race

Average Pace: 8:10 /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 mi10:58:1623:457:3923:45
7:39
#13493
10K
6.21 mi11:21:3947:087:3523:23
7:32
#12895
15K
9.32 mi11:45:001:10:297:3423:21
7:31
#12530
20K
12.43 mi12:09:041:34:337:3624:04
7:45
#12557
Half
13.11 mi12:14:151:39:447:365:11
7:36
#12566
25K
15.53 mi12:33:121:58:417:3818:57
7:49
#12527
30K
18.64 mi12:58:502:24:197:4525:38
8:15
#12602
20M
20.00 mi13:10:162:35:457:4711:26
8:25
#12627
21M
21.00 mi13:19:592:45:287:539:43
9:43
#12931
35K
21.75 mi13:26:102:51:397:546:11
8:16
#12970
23M
23.00 mi13:37:363:03:057:5811:26
9:08
#13221
24M
24.00 mi13:47:023:12:318:019:26
9:26
#13561
40K
24.85 mi13:55:493:21:188:068:47
10:16
#14038
25.2M
25.20 mi13:59:273:24:568:083:38
10:32
#14142
Finish
26.22 mi14:08:273:33:568:109:00
8:50
#14271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi134933600360011920(Top 42%)2863(Top 23%)2863(Top 167%)
10K6.21 mi3.10 mi12895+5983284+3163284+31612364(Top 44%)3016(Top 25%)3016(Top 176%)
15K9.32 mi3.11 mi12530+3653121+1633121+16311920(Top 42%)2863(Top 23%)2863(Top 167%)
20K12.43 mi3.11 mi12557-273179-583179-5812839(Top 45%)3460(Top 28%)3460(Top 201%)
Half13.11 mi0.68 mi12566-93189-103189-1012646(Top 45%)3330(Top 27%)3330(Top 194%)
25K15.53 mi2.42 mi12527+393207-183207-1812513(Top 44%)3408(Top 28%)3408(Top 198%)
30K18.64 mi3.11 mi12602-753324-1173324-11713181(Top 46%)3938(Top 32%)3938(Top 229%)
20M20.00 mi1.36 mi12627-253376-523376-5213264(Top 47%)4125(Top 34%)4125(Top 240%)
21M21.00 mi1.00 mi12931-3043574-1983574-19817114(Top 60%)6312(Top 52%)6312(Top 367%)
35K21.75 mi0.75 mi12970-393605-313605-3114067(Top 50%)4703(Top 38%)4703(Top 274%)
23M23.00 mi1.25 mi13221-2513794-1893794-18917004(Top 60%)6447(Top 53%)6447(Top 375%)
24M24.00 mi1.00 mi13561-3404011-2174011-21719378(Top 68%)7752(Top 63%)7752(Top 451%)
40K24.85 mi0.85 mi14038-4774297-2864297-28621301(Top 75%)8815(Top 72%)8815(Top 513%)
25.2M25.20 mi0.35 mi14142-1044367-704367-7019140(Top 67%)7695(Top 63%)7695(Top 448%)
Finish26.22 mi1.02 mi14271-1294465-984465-9818209(Top 64%)7183(Top 59%)7183(Top 418%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11920

Females

2863

F40-44

2863

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12364

Females

3016

F40-44

3016

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11920

Females

2863

F40-44

2863

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12839

Females

3460

F40-44

3460

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12646

Females

3330

F40-44

3330

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12513

Females

3408

F40-44

3408

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13181

Females

3938

F40-44

3938

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13264

Females

4125

F40-44

4125

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17114

Females

6312

F40-44

6312

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14067

Females

4703

F40-44

4703

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17004

Females

6447

F40-44

6447

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19378

Females

7752

F40-44

7752

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21301

Females

8815

F40-44

8815

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19140

Females

7695

F40-44

7695

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18209

Females

7183

F40-44

7183

Passing Analysis

Category:
Athletes Passed
2033
Passed By
2811
Net Change
-778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13493
5K → 10K67072+598#13493#12895
10K → 15K42358+365#12895#12530
15K → 20K183210-27#12530#12557
20K → Half2938-9#12557#12566
Half → 25K168129+39#12566#12527
25K → 30K220295-75#12527#12602
30K → 20M102127-25#12602#12627
20M → 21M42346-304#12627#12931
21M → 35K4483-39#12931#12970
35K → 23M53304-251#12970#13221
23M → 24M24364-340#13221#13561
24M → 40K20497-477#13561#14038
40K → 25.2M14118-104#14038#14142
25.2M → Finish41170-129#14142#14271
TOTALS20332811-778
📊

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